Correlation of multiple channel state information reports for multi-layer communications

Abstract

In summary, various aspects of the present disclosure relate to wireless communications. In some aspects, a UE may receive multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and calculate at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; report at least one of the first CSI in the first CSI report or the second CSI in the second CSI report. Numerous other aspects are provided.

Description

Technical Field

[0001]

[0006] Generally speaking, aspects of the disclosure relate to wireless communications and to techniques and apparatus for correlating multiple channel state information reports for multi-layer communications. Background Art

[0002] Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasting. Typical wireless communication systems may employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single carrier frequency division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and long term evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard released by the Third Generation Partnership Project (3GPP).

[0003] A wireless communication network may include multiple base stations (BSs) that can support communications for multiple user equipments (UEs). User equipments (UEs) may communicate with base stations (BSs) via downlinks and uplinks. A downlink (or forward link) refers to a communication link from a BS to a UE, while an uplink (or reverse link) refers to a communication link from a UE to a BS. As will be described in more detail herein, a BS may be referred to as a Node B, gNB, access point (AP), radio head, transmit receive point (TRP), new radio (NR) BS, 5G Node B, etc.

[0004] The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different user devices to communicate at the city, country, region, and even global level. New Radio (NR) (which may also be referred to as 5G) is an enhancement set to the LTE mobile standard released by the Third Generation Partnership Project (3GPP). NR is designed to better integrate with other open standards by improving spectrum efficiency, reducing costs, improving services, utilizing new spectrum, and using orthogonal frequency division multiplexing (OFDM) (CP-OFDM) with cyclic prefix (CP) on the downlink (DL), using CP-OFDM and / or SC-FDM (e.g., also referred to as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink (UL), so as to better support mobile broadband Internet access, as well as support beamforming, multiple input multiple output (MIMO) antenna technology and carrier aggregation. However, as the demand for mobile broadband access continues to grow, there is a need for further improvements to LTE and NR technologies. Preferably, these improvements should be applicable to other multiple access technologies and telecommunication standards that employ these technologies. Summary of the invention

[0005] In some aspects, a method of wireless communication performed by a UE may include: receiving multiple channel state information (CSI) reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; and reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report.

[0006] In some aspects, a method of wireless communication performed by a UE may include: receiving an aggregated CSI reporting configuration, the aggregated CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; and calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0007] In some aspects, a method of wireless communication performed by a UE may include: receiving a CSI reporting configuration, the CSI reporting configuration indicating multiple non-zero power CSI reference signal (NZP CSI-RS) resources for channel measurement or multiple NZP CSI-RS port groups for channel measurement, wherein the CSI reporting configuration includes a rank indication pair restriction, the rank indication pair restriction is used to indicate a combination of rank indications allowed to be reported when the UE selects multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups; and calculating CSI based at least in part on the assumption of joint transmission using multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups based at least in part on the rank indication pair restriction.

[0008] In some aspects, a method of wireless communication performed by a base station may include: sending multiple CSI report configurations, the multiple CSI report configurations including at least a first CSI report configuration and a second CSI report configuration associated with one or more CSI reference resources; determining a dependency between the first CSI report configuration and the second CSI report configuration; and receiving at least one of a first CSI for the first CSI report configuration in a first CSI report or a second CSI for the second CSI report configuration in a second CSI report, wherein the at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is at least in part based on the dependency.

[0009] In some aspects, a method of wireless communication performed by a base station may include: determining that a first CSI reporting configuration and a second CSI reporting configuration are interdependent; sending an aggregated CSI reporting configuration, the aggregated CSI reporting configuration comprising at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; and receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0010] In some aspects, a method of wireless communication performed by a base station may include: sending a CSI report configuration, the CSI report configuration indicating multiple NZP CSI-RS resources for channel measurement or multiple NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction is used to indicate a combination of rank indications allowed to be reported when the UE selects multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups; and receiving CSI calculated at least in part based on the rank indication pair restriction and at least in part based on an assumption of joint transmission using multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups.

[0011] In some aspects, a UE for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: receive a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and calculate at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; and report at least one of the first CSI in a first CSI report or the second CSI in a second CSI report.

[0012] In some aspects, a UE for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: receive an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determine that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; and calculate a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0013] In some aspects, a UE for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: receive a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and calculate CSI based at least in part on the assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups based at least in part on the rank indication pair restriction.

[0014] In some aspects, a base station for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: send multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and receive at least one of a first CSI for the first CSI reporting configuration in a first CSI report or a second CSI for the second CSI reporting configuration in a second CSI report, wherein the at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency.

[0015] In some aspects, a base station for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: determine that a first CSI reporting configuration and a second CSI reporting configuration are interdependent; send an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; and receive at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0016] In some aspects, a base station for wireless communication may include a memory and one or more processors operatively coupled to the memory. The memory and the one or more processors may be configured to: send a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and receive CSI calculated based at least in part on the rank indication pair restriction and at least in part on an assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups.

[0017] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a UE, may cause the one or more processors to perform the following operations: receiving a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report.

[0018] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a UE, may cause the one or more processors to: receive an aggregate CSI reporting configuration, the aggregate CSI reporting configuration comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determine that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; and calculate a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0019] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a UE, may cause the one or more processors to perform the following operations: receiving a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and calculating CSI based at least in part on the assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups, based at least in part on the rank indication pair restriction.

[0020] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a base station, may cause the one or more processors to: send multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and receive at least one of a first CSI for the first CSI reporting configuration in a first CSI report or a second CSI for the second CSI reporting configuration in a second CSI report, wherein the at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency.

[0021] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a base station, may cause the one or more processors to: determine that a first CSI reporting configuration and a second CSI reporting configuration are interdependent; send an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; and receive at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0022] In some aspects, a non-transitory computer-readable medium may store one or more instructions for wireless communication. The one or more instructions, when executed by one or more processors of a base station, may cause the one or more processors to perform the following operations: sending a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and receiving CSI calculated based at least in part on the rank indication pair restriction and at least in part on the assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups.

[0023] In some aspects, an apparatus for wireless communication includes: a unit for receiving multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; a unit for determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; and a unit for calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; and a unit for reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report.

[0024] In some aspects, an apparatus for wireless communication includes: a unit for receiving an aggregated CSI reporting configuration, the aggregated CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; a unit for determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; and a unit for calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0025] In some aspects, an apparatus for wireless communication includes: a unit for receiving a CSI report configuration, the CSI report configuration indicating multiple NZP CSI-RS resources for channel measurement or multiple NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction is used to indicate a combination of rank indications allowed to be reported when the UE selects multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups; and a unit for calculating CSI based at least in part on the rank indication pair restriction and at least in part on an assumption of joint transmission using multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups.

[0026] In some aspects, an apparatus for wireless communication includes: a unit for sending multiple CSI report configurations, the multiple CSI report configurations including at least a first CSI report configuration and a second CSI report configuration associated with one or more CSI reference resources; a unit for determining a dependency between the first CSI report configuration and the second CSI report configuration; and a unit for receiving at least one of a first CSI for the first CSI report configuration in a first CSI report or a second CSI for the second CSI report configuration in a second CSI report, wherein the at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is at least in part based on the dependency.

[0027] In some aspects, an apparatus for wireless communication includes: a unit for determining that a first CSI reporting configuration and a second CSI reporting configuration are interdependent; a unit for sending an aggregated CSI reporting configuration, the aggregated CSI reporting configuration comprising at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; and a unit for receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0028] In some aspects, an apparatus for wireless communication includes: a unit for sending a CSI report configuration, the CSI report configuration indicating multiple NZP CSI-RS resources for channel measurement or multiple NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction is used to indicate a combination of rank indications allowed to be reported when the UE selects multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups; and a unit for receiving CSI calculated at least in part based on the rank indication pair restriction and at least in part based on an assumption of joint transmission using multiple resources among the multiple NZP CSI-RS resources or multiple port groups among the multiple NZP CSI-RS port groups.

[0029] In summary, aspects include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, wireless communication devices, and / or processing systems as fully described herein with reference to and as illustrated by the accompanying drawings and description.

[0030] The foregoing has been fairly broadly summarized according to the features and technical advantages of the examples of the present disclosure, so that the following detailed description can be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples can be easily used as the basis for modifying or designing other structures for the same purpose of achieving the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. When considered in conjunction with the accompanying drawings, the characteristics of the concepts disclosed herein (both their organization and method of operation) and the associated advantages will be better understood according to the description below. Each of the figures in the accompanying drawings is provided for the purpose of illustration and description, and is not intended to be a definition of the limitations of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to fully understand the above-mentioned features of the present disclosure, a more specific description of the invention briefly summarized above can be obtained by referring to various aspects (some of which are shown in the accompanying drawings). However, it should be noted that the accompanying drawings only illustrate certain typical aspects of the present disclosure and are therefore not considered to limit the scope of the present disclosure, as the description may allow for other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0032] Figure 1 is a block diagram conceptually illustrating an example of a wireless communication network in accordance with various aspects of the present disclosure.

[0033] Figure 2is a block diagram conceptually illustrating an example of a base station in a wireless communication network communicating with a UE according to various aspects of the present disclosure.

[0034] Figure 3 An example logical architecture of a distributed radio access network (RAN) in accordance with various aspects of the present disclosure is shown.

[0035] Figure 4 is a diagram showing an example of multi-TRP communication according to various aspects of the present disclosure.

[0036] Figure 5 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0037] Figure 6 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0038] Figure 7 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0039] Figure 8 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0040] Fig. 9 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0041] Fig.10 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0042] Fig.11 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0043] Fig.12 is a diagram illustrating an example of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0044] Fig.13 is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure.

[0045] Fig.14 is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure.

[0046] Fig.15is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure.

[0047] Fig.16 is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure.

[0048] Fig.17 is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure.

[0049] Fig.18 is a diagram illustrating an example process performed, for example, by a user device, according to various aspects of the present disclosure. DETAILED DESCRIPTION

[0050] The following is a more complete description of various aspects of the present disclosure with reference to the accompanying drawings. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to any specific structure or function presented throughout the present disclosure. More specifically, these aspects are provided so that the present disclosure will be thorough and complete, and the scope of the present disclosure will be fully conveyed to those skilled in the art. Based on the teachings herein, it should be understood by those skilled in the art that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether the aspect is implemented independently of any other aspect of the present disclosure or implemented in combination with any other aspect. For example, using any number of aspects set forth herein, a device can be implemented or a method can be implemented. In addition, the scope of the present disclosure is intended to cover such a device or method implemented using other structures, functions, or structures and functions other than the various aspects of the present disclosure set forth herein or different from the various aspects of the present disclosure set forth herein. It should be understood that any aspect of the present disclosure disclosed herein can be embodied by one or more elements of the claims.

[0051] Several aspects of telecommunication systems will now be presented with reference to various devices and techniques. These devices and techniques will be described in the following detailed description and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements may be implemented using hardware, software, or a combination thereof. Whether such elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0052] It should be noted that although various aspects may be described herein using terms commonly associated with 3G and / or 4G wireless technologies, various aspects of the present disclosure may be applied to communication systems based on other generations, such as 5G and later (including NR technology).

[0053] Figure 1 1 is a diagram showing a wireless network 100 in which various aspects of the present disclosure may be implemented. The wireless network 100 may be an LTE network or some other wireless network (e.g., a 5G or NR network). The wireless network 100 may include a plurality of BSs 110 (shown as BSs 110a, BSs 110b, BSs 110c, and BSs 110d) and other network entities. A BS is an entity that communicates with a user equipment (UE) and may also be referred to as a base station, NR BS, Node B, gNB, 5G Node B (NB), access point, TRP, etc. Each BS may provide communication coverage for a specific geographic area. In 3GPP, the term "cell" may refer to a coverage area of ​​a BS and / or a BS subsystem serving the coverage area, depending on the context in which the term is used.

[0054] A BS may provide communication coverage for a macro cell, a pico cell, a femto cell, and / or another type of cell. A macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs with service subscription. A pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs with service subscription. A femto cell may cover a relatively small geographic area (e.g., a residence) and may allow restricted access by UEs associated with the femto cell (e.g., UEs in a closed subscriber group (CSG)). A BS for a macro cell may be referred to as a macro BS. A BS for a pico cell may be referred to as a pico BS. A BS for a femto cell may be referred to as a femto BS or a home BS. In Figure 1 In the example shown in , BS 110a may be a macro BS for macro cell 102a, BS 110b may be a pico BS for pico cell 102b, and BS 110c may be a femto BS for femto cell 102c. A BS may support one or more (e.g., three) cells. The terms "eNB", "base station", "NR BS", "gNB", "TRP", "AP", "Node B", "5G NB", and "cell" may be used interchangeably herein.

[0055] In some aspects, the cells may not necessarily be stationary, and the geographic area of ​​the cells may move depending on the location of the mobile BS. In some aspects, the BSs may be interconnected with each other and / or with one or more other BSs or network nodes (not shown) in the wireless network 100 via various types of backhaul interfaces (e.g., direct physical connections, virtual networks, and / or similar interfaces using any suitable transport networks).

[0056] The wireless network 100 may also include a relay station. A relay station is an entity that can receive data transmissions from an upstream station (e.g., a BS or a UE) and send data transmissions to a downstream station (e.g., a UE or a BS). A relay station may also be a UE that is capable of relaying transmissions for other UEs. Figure 1 In the example shown in FIG. 1 , a relay station 110 d may communicate with a macro BS 110 a and a UE 120 d to facilitate communication between the BS 110 a and the UE 120 d. A relay station may also be referred to as a relay BS, a relay base station, a relay, or the like.

[0057] The wireless network 100 may be a heterogeneous network including different types of BSs (e.g., macro BSs, pico BSs, femto BSs, relay BSs, etc.). These different types of BSs may have different transmit power levels, different coverage areas, and different effects on interference in the wireless network 100. For example, a macro BS may have a high transmit power level (e.g., 5 to 40 watts), while a pico BS, a femto BS, and a relay BS may have a lower transmit power level (e.g., 0.1 to 2 watts).

[0058] A network controller 130 may be coupled to a set of BSs and may provide coordination and control for these BSs. The network controller 130 may communicate with the BSs via a backhaul. The BSs may also communicate with each other directly or indirectly, for example, via a wireless or wired backhaul.

[0059] UE 120 (e.g., 120a, 120b, 120c) can be dispersed throughout the wireless network 100, and each UE can be stationary or mobile. UE can also be referred to as an access terminal, terminal, mobile station, subscriber unit, station, etc. UE can be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet device, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device or apparatus, a biometric sensor / device, a wearable device (smart watch, smart clothing, smart glasses, smart wristband, smart jewelry (e.g., smart ring, smart bracelet, etc.)), an entertainment device (e.g., a music or video device, or a satellite radio unit, etc.), a vehicle component or sensor, a smart meter / sensor, an industrial manufacturing device, a global positioning system device, or any other suitable device configured to communicate via a wireless or wired medium.

[0060] Some UEs may be considered as machine type communication (MTC) or evolved or enhanced machine type communication (eMTC) UEs. MTC and eMTC UEs include, for example, robots, drones, remote devices, sensors, meters, monitors, location tags, etc., which may communicate with a base station, another device (e.g., a remote device), or some other entity. A wireless node may provide a connection to or to a network (e.g., a wide area network such as the Internet or a cellular network) via, for example, a wired or wireless communication link. Some UEs may be considered as Internet of Things (IoT) devices, and / or may be implemented as NB-IoT (narrowband Internet of Things) devices. Some UEs may be considered as customer premises equipment (CPE). UE 120 may be included inside a housing that houses components of UE 120 (such as a processor component, a memory component, etc.).

[0061] Typically, any number of wireless networks can be deployed in a given geographic area. Each wireless network can support a specific radio access technology (RAT) and can operate on one or more frequencies. RAT can also be referred to as radio technology, air interface, etc. Frequency can also be referred to as carrier, channel, etc. Each frequency can support a single RAT in a given geographic area to avoid interference between wireless networks of different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0062] In some aspects, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using base station 110 as an intermediary to communicate with each other). For example, UE 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, etc.), mesh networks, etc. In such cases, UE 120 may perform scheduling operations, resource selection operations, and / or other operations described elsewhere herein as being performed by base station 110.

[0063] As noted above, Figure 1 is provided as an example. Other examples may differ from those described above. Figure 1 Examples described.

[0064] Figure 2 Base station 110 and UE 120 (which may be Figure 11. Block diagram of a design 200 of a base station in a base station and a UE in a UE. Base station 110 may be equipped with T antennas 234a through 234t, and UE 120 may be equipped with R antennas 252a through 252r, where in general, T≥1 and R≥1.

[0065] At the base station 110, the transmit processor 220 may receive data for one or more UEs from the data source 212, select one or more modulation and coding schemes (MCS) for each UE based at least in part on a channel quality indicator (CQI) received from the UE, process (e.g., encode and modulate) the data for the UE based at least in part on the MCS selected for each UE, and provide data symbols for all UEs. The transmit processor 220 may also process system information (e.g., for semi-static resource partitioning information (SRPI), etc.) and control information (e.g., CQI requests, grants, upper layer signaling, etc.), and provide overhead symbols and control symbols. The transmit processor 220 may also generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS)) and synchronization signals (e.g., primary synchronization signals (PSS) and secondary synchronization signals (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on ​​data symbols, control symbols, overhead symbols, and / or reference symbols, if applicable, and may provide T output symbol streams to T modulators (MOD) 232a to 232t. Each modulator 232 may process a corresponding output symbol stream (e.g., for OFDM, etc.) to obtain an output sample stream. Each modulator 232 may further process (e.g., convert to analog, amplify, filter, and up-convert) the output sample stream to obtain a downlink signal. T downlink signals from modulators 232a to 232t may be transmitted via T antennas 234a to 234t, respectively. According to various aspects described in more detail below, a synchronization signal may be generated using position coding to transmit additional information.

[0066] At UE 120, antennas 252a to 252r may receive downlink signals from base station 110 and / or other base stations, and may provide received signals to demodulators (DEMODs) 254a to 254r, respectively. Each demodulator 254 may condition (e.g., filter, amplify, downconvert, and digitize) the received signal to obtain input samples. Each demodulator 254 may further process the input samples (e.g., for OFDM, etc.) to obtain received symbols. MIMO detector 256 may obtain received symbols from all R demodulators 254a to 254r, perform MIMO detection on the received symbols (if applicable), and provide detected symbols. Receive processor 258 may process (e.g., demodulate and decode) the detected symbols, provide decoded data for UE 120 to data sink 260, and provide decoded control information and system information to controller / processor 280. The channel processor may determine reference signal received power (RSRP), received signal strength indicator (RSSI), reference signal received quality (RSRQ), channel quality indicator (CQI), etc. In some aspects, one or more components of UE 120 may be included in a housing.

[0067] On the uplink, at the UE 120, a transmit processor 264 may receive and process data from a data source 262 and control information from a controller / processor 280 (e.g., for reports including RSRP, RSSI, RSRQ, CQI, etc.). The transmit processor 264 may also generate reference symbols for one or more reference signals. The symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266 (if applicable), further processed by modulators 254a through 254r (e.g., for DFT-s-OFDM, CP-OFDM, etc.), and transmitted to the base station 110. At the base station 110, uplink signals from the UE 120 and other UEs may be received by the antenna 234, processed by the demodulator 232, detected by the MIMO detector 236 (if applicable), and further processed by the receive processor 238 to obtain decoded data and control information transmitted by the UE 120. The receive processor 238 may provide decoded data to a data sink 239 and provide decoded control information to a controller / processor 240. The base station 110 may include a communication unit 244 and communicate with the network controller 130 via the communication unit 244. The network controller 130 may include a communication unit 294, a controller / processor 290, and a memory 292.

[0068] The controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or Figure 2Any other component in the controller / processor 240 of the base station 110, the controller / processor 280 of the UE 120, and / or the like may perform one or more techniques associated with associating multiple CSI reports for multi-layer communications, as described in greater detail elsewhere herein. Figure 2 Any other component in may perform or direct e.g. Fig.13 Process 1300, Fig.14 The process of 1400 Fig.15 The process of 1500 Fig.16 The process of 1600 Fig.17 Process 1700, Fig.18 The operations of process 1800 and / or other processes as described herein. Memories 242 and 282 may store data and program codes for base station 110 and UE 120, respectively. In some aspects, memory 242 and / or memory 282 may include a non-transitory computer-readable medium storing one or more instructions for wireless communication. For example, when one or more instructions are executed by one or more processors of base station 110 and / or UE 120, they may perform or direct, for example, Fig.13 Process 1300, Fig.14 The process of 1400 Fig.15 The process of 1500 Fig.16 The process of 1600 Fig.17 Process 1700, Fig.18 The scheduler 246 may schedule UEs for data transmission on the downlink and / or uplink.

[0069] In some aspects, UE 120 may include: means for receiving a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; means for determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; means for calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; means for reporting at least one of the first CSI in the first CSI report or the second CSI in the second CSI report; and the like. In some aspects, such means may include combining Figure 2One or more components of UE 120 are depicted, such as controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, etc.

[0070] In some aspects, UE 120 may include: means for receiving an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; means for determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; means for calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; etc. In some aspects, such means may include combining Figure 2 One or more components of UE 120 are depicted, such as controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, etc.

[0071] In some aspects, UE 120 may include: a unit for receiving a CSI reporting configuration, the CSI reporting configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI reporting configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported if the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; a unit for calculating CSI based at least in part on the rank indication pair restriction, based at least in part on an assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and so on. In some aspects, such a unit may include combining Figure 2 One or more components of UE 120 are depicted, such as controller / processor 280, transmit processor 264, TX MIMO processor 266, MOD 254, antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, etc.

[0072] In some aspects, base station 110 may include: means for sending a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; means for determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; means for receiving at least one of a first CSI for the first CSI reporting configuration in a first CSI report or a second CSI for the second CSI reporting configuration in a second CSI report, wherein at least one of the first CSI and the second CSI is calculated based at least in part on an assumption of joint transmission using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency; etc. In some aspects, such means may include combining Figure 2 One or more components of base station 110 are depicted, such as antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, and the like.

[0073] In some aspects, base station 110 may include: a unit for determining that a first CSI reporting configuration and a second CSI reporting configuration are interdependent; a unit for sending an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; a unit for receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregate CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; etc. In some aspects, such a unit may include combining Figure 2 One or more components of base station 110 are depicted, such as antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, and the like.

[0074] In some aspects, the base station 110 may include: a unit for sending a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; a unit for receiving CSI calculated based at least in part on the rank indication pair restriction, based at least in part on an assumption of joint transmission using a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups; and so on. In some aspects, such a unit may include combining Figure 2 One or more components of base station 110 are depicted, such as antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, and the like.

[0075] As noted above, Figure 2 is provided as an example. Other examples may differ from those described above. Figure 2 Examples described.

[0076] Figure 3 An example logical architecture of a distributed RAN 300 is shown in accordance with aspects of the present disclosure.

[0077] The 5G access node 306 may include an access node controller (ANC) 302. The ANC 302 may be a central unit (CU) of the distributed RAN 300. The backhaul interface to the next generation core network (NG-CN) 304 may terminate at the ANC 302. The backhaul interface to the adjacent next generation access node (NG-AN) may terminate at the ANC 302. The ANC 302 may include one or more TRPs 308 (which may also be referred to as BS, NR BS, Node B, 5G NB, AP, gNB, or some other term). The TRP 308 may be used interchangeably with "cell" and / or "panel". In some aspects, multiple TRPs 308 may be included in a single base station 110. Additionally or alternatively, different TRPs 308 may be included in different base stations 110.

[0078] The TRP 308 may be a distributed unit (DU). The TRP 308 may be connected to a single ANC 302 or multiple ANCs 302. For example, for RAN sharing, radio as a service (RaaS), and service-specific AND deployments, the TRP 308 may be connected to more than one ANC 302. The TRP 308 may include one or more antenna ports. The TRP 308 may be configured to provide services to the UE individually (e.g., using dynamic selection) or jointly (e.g., using joint transmission).

[0079] In some aspects, multiple TRPs 308 may transmit communications (e.g., the same communication or different communications) in the same TTI or different TTIs (e.g., time slots, mini-time slots, etc.) using different QCL relationships (e.g., different spatial parameters, different transmission configuration indicator (TCI) states, different precoding parameters, different beamforming parameters, etc.). In some aspects, the TCI state may be used to indicate one or more QCL relationships.

[0080] The local architecture of RAN 300 can be used to illustrate the fronthaul definition. The architecture can be defined to support fronthaul solutions across different deployment types. For example, the architecture can be based at least in part on the sending network capabilities (e.g., bandwidth, latency and / or jitter). The architecture can share features and / or components with LTE. According to various aspects, the next generation AN (NG-AN) 310 can support dual connectivity with NR. NG-AN 310 can share a common fronthaul for LTE and NR. The architecture can enable collaboration between and among TRPs 308. For example, collaboration can be pre-set within and / or across TRPs 308 via ANC 302. In some aspects, an inter-TRP interface may not be required / existent.

[0081] In some aspects, dynamic configuration of split logical functions may exist in the architecture of the RAN 300. Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC), Medium Access Control (MAC) protocols, etc. may be adaptively placed at the ANC 302 or TRP 308. According to various aspects, the base station 110 may include a central unit (CU) (e.g., ANC 302) and / or one or more distributed units (e.g., one or more TRPs 308).

[0082] As noted above, Figure 3 is provided as an example. Other examples may differ from those described above. Figure 3 Examples described.

[0083] Figure 4is a diagram illustrating an example 400 of multi-TRP communications (sometimes referred to as multi-panel communications) in accordance with various aspects of the present disclosure.

[0084] like Figure 4 As shown, multiple TRPs 308 (shown as TRP A and TRP B) can communicate with the same UE 402 in a coordinated manner (e.g., using coordinated multi-point transmission, etc.) to improve reliability, increase throughput, etc. The TRPs 308 can coordinate such communications via a backhaul, which can have lower latency and / or higher capacity when the TRPs 308 are located at the same base station 110 (e.g., different antenna arrays of the same base station 110), or can have higher latency and / or lower capacity (compared to co-location) when the TRPs 308 are located at different base stations 110. Different TRPs 308 can communicate with the UE 402 using different QCL relationships (e.g., different TCI states), different demodulation reference signal (DMRS) ports, different layers (e.g., of multi-layer communications), etc.

[0085] In a first multi-TRP transmission mode (e.g., Mode 1), a single physical downlink control channel (PDCCH) can be used to schedule downlink data communications for a single physical downlink shared channel (PDSCH). In this case, multiple TRPs 308 (e.g., TRP A and TRP B) can send communications to UE 402 on the same PDSCH. For example, for different TRPs 308, communications can be sent using a single codeword with different spatial layers (e.g., where one codeword is mapped to a first set of layers transmitted by a first TRP 308 and is mapped to a second set of layers transmitted by a second TRP 308). As another example, communications can be sent using multiple codewords, where different codewords are sent by different TRPs 308 (e.g., using different sets of layers). In either case, different TRPs 308 can use different QCL relationships (e.g., different TCI states) for different DMRS ports corresponding to different layers. For example, the first TRP 308 may use a first QCL relationship or a first TCI state for a first DMRS port set corresponding to a first layer set, and the second TRP 308 may use a second (different) QCL relationship or a second (different) TCI state for a second (different) DMRS port set corresponding to a second (different) layer set. In some aspects, the TCI state in the downlink control information (DCI) (e.g., sent on the PDCCH, such as DCI format 1_0, DCI format 1_1, etc.) may indicate a first QCL relationship (e.g., by indicating a first TCI state) and a second QCL relationship (e.g., by indicating a second TCI state). The first and second TCI states may be indicated using a TCI field in the DCI. Typically, the TCI field may indicate a single TCI state (for single TRP transmission) or multiple TCI states (for multi-TRP transmission as discussed herein) in the multi-TRP transmission mode (e.g., mode 1).

[0086] In a second multi-TRP transmission mode (e.g., Mode 2), multiple PDCCHs may be used to schedule downlink data communications for multiple corresponding PDSCHs (e.g., one PDCCH per PDSCH). In this case, a first PDCCH may schedule a first codeword to be sent by a first TRP 308, and a second PDCCH may schedule a second codeword to be sent by a second TRP 308. In addition, a first DCI (e.g., sent by a first TRP 308) may schedule a first PDSCH communication associated with a first DMRS port set using a first QCL relationship (e.g., indicated by a first TCI state) for the first TRP 308, and a second DCI (e.g., sent by a second TRP 308) may schedule a second PDSCH communication associated with a second DMRS port set using a second QCL relationship (e.g., indicated by a second TCI state) for the second TRP 308. In this case, a DCI (e.g., having a DCI format 1_0, a DCI format 1_1, etc.) may indicate a corresponding TCI state of a TRP 308 corresponding to the DCI. The TCI field of the DCI indicates a corresponding TCI state (eg, the TCI field of the first DCI indicates a first TCI state, and the TCI field of the second DCI indicates a second TCI state).

[0087] As noted above, Figure 4 is provided as an example. Other examples may differ from those described above. Figure 4 Examples described.

[0088] In some systems for multi-TRP communication, multiple TRPs can communicate with the UE using a transmission scheme such as a non-coherent joint transmission (NCJT) scheme, a frequency division multiplexing (FDM) scheme, a time division multiplexing (TDM) scheme, etc.

[0089] In the NCJT scheme (also known as the space division multiplexing (SDM) scheme), the UE receives communication from a first TRP via a first layer set of resource sets (e.g., one or more REs), and receives communication from a second TRP via a second layer set of resource sets. In multi-DCI communication, the first layer and the second layer may be mapped to a first codeword and a second codeword, respectively. In a single DCI communication, the first layer and the second layer may be mapped to a single codeword. The NCJT scheme may be applied to ultra-reliable low-latency communication (URLLC) and non-URLLC.

[0090] In an FDM scheme, a UE may receive a single DCI communication for allocating resources for downlink transmission. The single DCI communication may allocate a first set of frequency domain resources for a first TRP (e.g., on a first subband) and a second set of frequency domain resources for a second TRP (e.g., on a second subband). For example, if the precoding resource block group (PRG) size is a wideband PRG size, the first half (e.g., a first range) of the total frequency domain resource allocation (FDRA) may be allocated to the first TRP, and the second half (e.g., a second range) of the total FDRA may be allocated to the second TRP. If the PRG is not a wideband PRG size (e.g., 2 or 4 resource blocks), even-numbered PRGs may be allocated to the first TRP, and odd-numbered PRGs may be allocated to the second TRP. The transport block (TB) size may be based at least in part on all resources allocated to TRP 1 and TRP 2, wherein the same redundancy version (RV) is mapped across all resources and layers allocated to TRP 1 and TRP 2. Alternatively, the TB size may be based at least in part solely on resource allocations of TRP 1 and TRP 2, and the same or different RVs may be mapped to resources and layers allocated to TRP 1 and TRP 2. The FDM scheme may be applied to URLLC.

[0091] In the TDM scheme, the UE may receive a single DCI communication for allocating resources for downlink transmission. A single DCI communication may allocate a first time domain resource set (e.g., on a common frequency band) for a first TRP and a second time domain resource set (e.g., on a common frequency band) for a second TRP. The first time domain resource set and the second time domain resource set correspond to the first micro-time slot and the second micro-time slot, respectively. The first time domain resource set and / or the second time domain resource set may also correspond to one or more additional micro-time slots. For example, the first time domain resource set may correspond to a first sequential micro-time slot set, and the second time domain resource set may correspond to a second sequential micro-time slot set. In other examples, the first time domain resource set and the second time domain resource set may correspond to one or more additional micro-time slots with an alternating pattern (e.g., the first time domain resource set corresponds to an odd-numbered micro-time slot, and the second time domain resource set corresponds to an even-numbered micro-time slot). Each micro-time slot may be mapped to the same codeword with the same or different RV. Additionally or alternatively, a micro-time slot may be within a single time slot or may span multiple time slots. The TDM scheme may be applied to URLLC.

[0092] In the above transmission scheme, the CSI report only supports CSI reports from one TRP. In addition, each CSI report is independent, where there is no dependency from one CSI report to another CSI report. In addition, the CSI report corresponds to a single resource (e.g., associated with a single TRP), and the UE is able to select only one TRP for the CSI report. Based at least in part on the fact that the CSI report corresponds to only one TRP, the UE may not be able to send CSI reports for two TRPs. Based at least in part on the assumption that the UE cannot send CSI reports under the joint transmission from the first TRP and the second TRP, the first TRP and the second TRP may use CSI to send one or more PDSCH communications based at least in part on the assumption of a single TRP transmission. However, if used jointly, the use of CSI based at least in part on the assumption of a single TRP transmission may result in inter-TRP interference (e.g., inter-layer, inter-codeword interference, etc.).

[0093] In some aspects, a UE (e.g., UE 120) may be configured to send CSI reports for multiple TRPs. For example, the UE may receive multiple CSI reporting configurations, which include at least a first CSI reporting configuration and a second CSI reporting configuration. The first CSI reporting configuration and the second CSI reporting configuration may be associated with one or more CSI reference resources. The UE may determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration (e.g., the second CSI reporting configuration depends on the first CSI reporting configuration, the first CSI reporting configuration depends on the second CSI reporting configuration, and the first CSI reporting configuration and the second CSI reporting configuration are interdependent, etc.). The UE may report the first CSI for the first CSI reporting configuration in a first report and report the second CSI for the second CSI reporting configuration in a second report.

[0094] In some examples where the second CSI reporting configuration is dependent on the first CSI reporting configuration, the UE may calculate the second CSI based at least in part on an assumption that there is interference caused by reporting the second CSI (e.g., based at least in part on using an SDM scheme), the UE may calculate the second CSI and report the second CSI with the same rank as reported in the first CSI report, etc. In some examples where the first CSI and the second CSI are mutually dependent, the UE may calculate the second CSI based at least in part on an assumption that there is interference caused by reporting the first CSI (e.g., based at least in part on using an SDM scheme), the UE may calculate the second CSI and report the second CSI with the same rank as reported in the first CSI report, etc. In some examples where the first CSI and the second CSI are mutually dependent, the UE may jointly calculate the first CSI and the second CSI based at least in part on an assumption that a virtual PDSCH is sent using a CSI reference resource having a first CSI-RS port set and a second CSI-RS port set (e.g., based at least in part on an SDM transmission scheme), the UE may calculate the first CSI and the second CSI and report the first CSI and the second CSI with the same rank, etc.

[0095] In some examples, the dependency between the first CSI reporting configuration and the second CSI reporting configuration is based at least in part on a configuration sent by the network. In some examples, transmission assumptions (e.g., whether there is a joint transmission that takes into account inter-layer interference or whether there is a common rank reported in the first CSI and the second CSI) may depend on the transmission scheme indicated by the network.

[0096] The following examples will be discussed in the context of multi-TRP transmissions involving two TRPs; however, the techniques, devices, systems, etc. discussed with respect to the examples below may also be applied to multi-TRP transmissions involving three or more TRPs.

[0097] Figure 5 is a diagram illustrating an example 500 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure. Figure 5 Multiple TRPs are shown, including TRP 0 505 and TRP 1 510, for transmitting CSI-RS and one or more CSI reports to UE 120.

[0098] As indicated by reference numeral 515, UE 120 may receive multiple CSI reporting configurations and / or indications of dependencies. UE 120 may receive multiple CSI reporting configurations and / or indications of dependencies from multiple TRPs (eg, including TRP 0 505 and TRP 1 510).

[0099] As indicated by reference numeral 520, the first CSI reporting configuration communication may include CSI reporting configuration 0 and CSI reporting configuration 1. Each CSI reporting configuration may include a field for an indication of a reference CSI report (e.g., an indication of a CSI reporting configuration corresponding to the CSI reporting configuration) and / or a transmission scheme (e.g., SDM, TDM, FDM, etc.). In some aspects, the indication of the reference report may indicate that the CSI reporting configuration and the reference CSI configuration are related to each other. In some aspects, the indication of the reference report may indicate that the CSI reporting configuration is related to the reference CSI configuration.

[0100] As shown, in some aspects, CSI reporting configuration 0 may indicate a dependency on CSI reporting configuration 1, and / or CSI reporting configuration 1 may indicate a dependency on CSI reporting configuration 0. Based at least in part on CSI reporting configuration 0 indicating a dependency on CSI reporting configuration 1 and CSI reporting configuration 1 indicating a dependency on CSI reporting configuration 0, UE 120 may determine that CSI reporting 0 and CSI reporting 1 are interdependent.

[0101] Based at least in part on that CSI reporting configuration 0 and CSI reporting configuration 1 are jointly dependent and associated with the SDM scheme, UE 120 may calculate CSI for CSI reporting configuration 0 and CSI reporting configuration 1.

[0102] In some aspects, the CSI for CSI report 0 and the CSI for CSI report 1 may be calculated based at least in part on an assumption of joint transmission from TRP 0 505 and TRP 1 510. The calculation may include an assumption that TRP 0 505 uses a first set of resource layers in CSI report 0 and that TRP 1 510 uses a second set of resource layers in CSI report 1.

[0103] In some aspects, the CSI for CSI report 0 may be calculated based at least in part on an assumption of interference from TRP 1 510 from the CSI used to report CSI report 1. Similarly, the CSI for CSI report 1 may be calculated based at least in part on an assumption of interference from TRP 0 505 from the CSI used to report CSI report 0.

[0104] Based at least in part on the fact that CSI reporting configuration 0 and CSI reporting configuration 1 are jointly dependent and are associated with a TDM scheme or an FDM scheme, the UE 120 may calculate the CSI for CSI reporting configuration 1 jointly with calculating the CSI for CSI reporting configuration 0. In some aspects, the UE 120 may calculate the same RI for CSI reporting configuration 0 and CSI reporting configuration 1, calculate a first CQI for CSI reporting configuration 0 and a second CQI for CSI reporting configuration 1 independently of each other, and / or calculate a first PMI for CSI reporting configuration 0 and a second PMI for CSI reporting configuration 1 independently of each other. In some aspects, the UE 120 may calculate and report the CSI (e.g., PMI / CQI) for CSI reporting configuration 1 based at least in part on the assumption that the RI for CSI reporting configuration 1 is the same RI reported in CSI reporting configuration 0.

[0105] As indicated by reference numeral 525, the second CSI report communication may include CSI report configuration 1 and CSI report configuration 0. As with the first CSI report configuration communication, CSI report configuration 1 may include a field for an indication of a reference report (e.g., an indication of a dependency on another report configuration) and / or a transmission scheme (e.g., SDM, TDM, FDM, etc.). CSI report configuration 0 may not include a field for an indication of a reference report and / or a transmission scheme. CSI report configuration 0 and / or CSI report configuration 1 may indicate additional configuration parameters, such as associated CSI-RS resource settings, codebook configurations, reporting bands, etc.

[0106] In some aspects, CSI reporting configuration 1 may indicate a dependency on CSI reporting configuration 0. Based at least in part on CSI reporting configuration 1 indicating a dependency on CSI reporting configuration 0 and the configuration of UE 120, UE 120 may determine that CSI report 0 and CSI report 1 are mutually dependent or that CSI report 1 has a unidirectional dependency on CSI report 0. In some aspects, CSI report 1 may be computed based at least in part on an assumption of joint transmission from a different TRP than a TRP at which CSI reporting configuration 1 is transmitted. In some aspects, CSI report 1 may be computed based at least in part on an assumption of interference from a different TRP using CSI reported in CSI report 0.

[0107] As indicated by reference numeral 530, the UE 120 may receive a CSI-RS for TRP 0 505 among the plurality of TRPs (e.g., from TRP 0 505). The UE 120 may also receive a CSI-RS for TRP 1 510 among the plurality of TRPs (e.g., from TRP 1 510), as indicated by reference numeral 535. The CSI-RS for TRP 0 505 and the CSI-RS for TRP 1 510 may be associated with different CSI-RS resources, different sets of CSI-RS resources, different groups of CSI-RS ports, different CSI-RS resource settings, different CSI-RS resource groups, etc.

[0108] As indicated by reference numeral 540, UE 120 may measure CSI-RS and calculate CSI for each TRP according to the indicated dependency and / or the indicated multiplexing scheme. For example, the calculated CSI may indicate CQI, PMI, RI, etc. for each TRP.

[0109] Based at least in part on that CSI reporting configuration 0 and CSI reporting configuration 1 are jointly dependent and associated with the SDM scheme, UE 120 may calculate CSI for CSI reporting configuration 1. In some aspects, CSI report 1 may be calculated based at least in part on an assumption of joint transmission from a different TRP than a TRP at which CSI reporting configuration 1 is transmitted. In some aspects, CSI report 1 may be calculated based at least in part on an assumption of interference from a different TRP using the CSI reported in CSI report 0.

[0110] Based at least in part on the fact that CSI reporting configuration 0 and CSI reporting configuration 1 are jointly dependent and are associated with a TDM scheme or an FDM scheme, UE 120 may calculate the CSI for CSI reporting configuration 1 jointly with the CSI for CSI reporting configuration 0. In some aspects, UE 120 may calculate the same RI for CSI reporting configuration 0 and CSI reporting configuration 1, calculate a first CQI for CSI reporting configuration 0 and a second CQI for CSI reporting configuration 1 independently of each other, and / or calculate a first PMI for CSI reporting configuration 0 and a second PMI for CSI reporting configuration 1 independently of each other. In some aspects, UE 120 may calculate and report the CSI (e.g., PMI / CQI) for CSI reporting configuration 1 based at least in part on the assumption that the RI for CSI reporting configuration 1 is the same RI reported in CSI reporting configuration 0.

[0111] Based at least in part on CSI reporting configuration 0 being independent of CSI reporting configuration 1 and CSI reporting configuration 1 being dependent on CSI reporting configuration 0, UE 120 may calculate CSI for CSI reporting configuration 0 independently of calculating CSI for CSI reporting configuration 1. In some aspects, UE 120 may calculate CSI for CSI reporting configuration 1 based at least in part on calculating CSI for CSI reporting configuration 0.

[0112] In some aspects where CSI reporting configuration 0 and CSI reporting configuration 1 are associated with the SDM scheme and CSI reporting configuration 0 is independent of CSI reporting configuration 1, UE 120 may calculate the CSI for CSI reporting configuration 1 while considering interference associated with CSI reporting configuration 0 when calculating CQI, PMI, RI, etc. for CSI reporting configuration 1.

[0113] In some aspects where CSI reporting configuration 0 and CSI reporting configuration 1 are associated with a TDM or FDM scheme and CSI reporting configuration 0 is independent of CSI reporting configuration 1, UE 120 may calculate CSI for CSI reporting configuration 1 based at least in part on calculating CSI for CSI reporting configuration 0. In some aspects, UE 120 may use the same RI calculated for CSI reporting configuration 0 for CSI reporting configuration 1. In some aspects, UE 120 may calculate a second CQI or PMI for CSI reporting configuration 1 independently of the first CQI and / or PMI calculated for CSI reporting configuration 0.

[0114] As indicated by reference numeral 545, UE 120 may send CSI report 0 for TRP 0 505. As indicated by reference numeral 550, UE 120 may send CSI report 1 for TRP 1 510.

[0115] As indicated by reference numeral 555, CSI report 0 and CSI report 1 may be jointly calculated based at least in part on the interdependence between CSI-RS 0 and CSI-RS 1, as indicated in the plurality of CSI reporting configurations. In some aspects, based at least in part on using an SDM transmission scheme, CQI, PMI, RI, etc. may be calculated assuming mutual interference (e.g., by considering cross-layer interference). In some aspects, based at least in part on using an SDM transmission scheme, CQI, PMI, RI, etc. may be calculated based at least in part on the assumption of joint transmission of CSI reference resources associated with CSI reporting configuration 0 and CSI reporting configuration 1. In some aspects, based at least in part on using an FDM or TDM transmission scheme, the same RI may be reported for two TRPs, PMI may be calculated independently, and CQI may be calculated independently.

[0116] As indicated by reference numeral 560, CSI report 0 and CSI report 1 may be calculated based at least in part on a unidirectional dependency, where CSI-RS1 depends on CSI-RS 0, as indicated in the plurality of CSI reporting configurations. In other words, the CSI for the second CSI reporting configuration may be based at least in part on the CSI used to calculate the CSI for the first CSI reporting configuration. In some aspects, the CQI, RI, PMI, etc. for CSI report 0 may be calculated independently (e.g., because CSI report 0 does not depend on CSI report 1), regardless of whether an SDM, FDM, or TDM transmission scheme is used. In some aspects, the CQI, RI, PMI, etc. for CSI report 1 may be calculated based at least in part on using an SDM transmission scheme, while taking into account interference from CSI report 0. In some aspects, the CQI, RI, PMI, etc. for CSI report 1 may be calculated, where the RI is the same as the RI for CSI report 0, the PMI is calculated independently, and the CQI is calculated independently.

[0117] As noted above, Figure 5 is provided as an example. Other examples may differ from those described above. Figure 5 Examples described.

[0118] Figure 6 is a diagram illustrating an example 600 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0119] As in Figure 6 , and as indicated by reference numeral 605, UE 120 may send CSI report 0 for TRP 0. In some aspects, CSI report 0 may include a first CSI reference signal (CSI-RS) resource indicator (CRI).

[0120] As indicated by reference numeral 610, UE 120 may send CSI report 1 for TRP 1. In some aspects, CSI report 1 may include a second CRI. In some aspects, the first CRI and the second CRI have the same value.

[0121] As indicated by reference numeral 615, CSI report 0 and CSI report 1 may have the same CRI value.

[0122] As shown in reference numeral 620, the CRI value of CSI report 0 and the value of CSI report 1 may indicate that the CSI for CSI report configuration 1 and the CSI for CSI report configuration 0 are calculated independently. For example, CSI report 0 and CSI report 1 may include the same CRI value of 0 (zero) to indicate that the CSI for CSI report configuration 1 and the CSI for CSI report configuration 0 are calculated independently.

[0123] As shown in reference numeral 625, another value of the CRI for CSI report 0 and CSI report 1 may indicate that the CSI for CSI report configuration 1 and the CSI for CSI report configuration 0 are jointly calculated. For example, CSI report 0 and CSI report 1 may include the same CRI value of 1 to indicate that the CSI for CSI report configuration 1 and the CSI for CSI report configuration 0 are jointly calculated.

[0124] As indicated by reference numeral 630, the UE 120 may receive an indication of a CRI limitation that configures the UE 120 to report only joint CSI or only independent CSI. In some aspects, the UE 120 may receive the CRI limitation via radio resource control (RRC) signaling, DCI communication, etc. In some aspects, the UE 120 may receive the indication of the CRI limitation prior to sending CSI Report 0 and / or CSI Report 1.

[0125] As noted above, Figure 6 is provided as an example. Other examples may differ from those described above. Figure 6 Examples described.

[0126] Figure 7 is a diagram illustrating an example 700 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0127] As shown in example 700, CSI report 0 is associated with a single resource (e.g., a first set of REs), and CSI report 1 is associated with a different single resource (e.g., a second set of REs). Each of the single resources corresponds to a single (e.g., different) TRP. In some aspects, CSI report 0 and CSI report 1 may report the same CRI to indicate whether the reported CSI is a joint CSI with NCJT or an independent CSI for each TRP. The grid shown in example 700 shows the CSI-RS pattern in the frequency domain and the time domain. For example, the x-axis may correspond to the time domain, and the y-axis may correspond to the frequency domain. In some aspects, example 700 may relate to frequency range 1 (FR1) band communications.

[0128] In some aspects, TRP 0 may have a first number of ports (e.g., 4 ports) and occupy a corresponding first number of REs (e.g., 4 REs shown in the grid during the fourth symbol). TRP 1 may have a second number of ports (e.g., 8 ports) and occupy a corresponding second number of REs (e.g., 8 REs shown in the grid during the sixth symbol).

[0129] If the CRI indicates that the CSI is calculated independently (e.g., CSI=0), CSI report 0 may be associated with REs occupied by TRP 0, and CSI report 1 may be associated with REs occupied by TRP 1. If the CRI indicates that the CSI is calculated jointly (e.g., CSI=1), CSI report 0 may be associated with REs occupied by TRP 0, and CSI report 1 may be associated with REs occupied by TRP 0 and TRP 1, assuming that there is a joint transmission from TRP 0 and TRP 1, and / or assuming that there is interference from TRP 1 and TRP 0 using the calculated CSI.

[0130] As noted above, Figure 7 is provided as an example. Other examples may differ from those described above. Figure 7 Examples described.

[0131] Figure 8 is a diagram illustrating an example 800 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0132] As shown in example 800, CSI report 0 is associated with a resource pair, and CSI report 2 is associated with a different resource pair. Each resource pair corresponds to a single (e.g., different) TRP. In some aspects, CSI report 0 and CSI report 1 may report the same CRI to indicate whether the reported CSI is a joint CSI with NCJT or an independent CSI for each TRP. The grid shown in example 800 illustrates a CSI-RS pattern. In some aspects, example 800 may relate to frequency range 2 (FR2) band communications.

[0133] In some aspects, TRP 0 may have a first number of ports (e.g., 4 ports) and occupy a corresponding first number of REs (e.g., 4 REs shown in the grid during the fourth symbol or 4 REs shown in the eighth symbol). TRP 1 may have a second number of ports (e.g., 8 ports) and occupy a corresponding second number of REs (e.g., 8 REs shown in the grid during the sixth symbol or 8 REs shown in the eighth symbol using REs of TRP0).

[0134] In some aspects, if the CRI indicates that the CSI is calculated independently (e.g., CSI=0), CSI report 0 may be associated with a first resource of the resource pair occupied by TRP 0, and CSI report 1 may be associated with a first resource of the resource pair occupied by TRP 1. If the CRI indicates that the CSI is calculated jointly (e.g., CSI=1), CSI report 0 may be associated with a second resource of the resource pair occupied by TRP 0, and CSI report 1 may be associated with a second resource of the resource pair occupied by TRP 1, assuming there is a joint transmission from TRP 0 and TRP 1, and / or assuming there is interference from TRP 1 and TRP 0 using the calculated CSI.

[0135] In some aspects, the second resource of the resource pair occupied by TRP 0 and the second resource of the resource pair occupied by TRP 1 can be located on the same symbol in the time domain (e.g., based at least in part on being in SDM transmission mode (e.g., for NCJT measurement) and UE 120 using a single Rx beam to simultaneously receive CSI-RS of TRP 0 and TRP 1).

[0136] As noted above, Figure 8 is provided as an example. Other examples may differ from those described above. Figure 8 Examples described.

[0137] Fig. 9 is a diagram illustrating an example 900 of associating multiple CSI reports for multi-layer communication in accordance with various aspects of the present disclosure. As shown in example 900, CSI report 0 and CSI report 1 may be placed in the same trigger state so as to be triggered simultaneously (e.g., by DCI communication). In some aspects, CSI reports may be scheduled for transmission on PUSCH (e.g., aperiodic CSI reporting and / or semi-persistent CSI reporting triggered by DCI).

[0138] As in Fig. 9 905, CSI reporting configuration 1 identifies CSI reporting configuration 0 as a reference CSI reporting configuration. In some aspects, based at least in part on CSI reporting configuration 0 being identified as the reference CSI reporting configuration, CSI reporting configuration 1 may be placed in a triggered state based at least in part on CSI reporting configuration 0 being in a triggered state (e.g., by UE 120 receiving a CSI request that triggers the triggered state for CSI reporting configuration 0). In other words, both CSI report 0 and CSI report 1 may be triggered based at least in part on receiving an indication in the DCI regarding triggering CSI report 1.

[0139] As shown by reference numeral 910, CSI reporting configuration 1 identifies CSI reporting configuration 0 as a reference CSI reporting configuration. In addition, CSI reporting configuration 0 identifies CSI reporting configuration 1 as a reference CSI report. In some aspects, based at least in part on CSI reporting configuration 0 being identified as a reference CSI reporting configuration for CSI reporting configuration 1, and based at least in part on CSI reporting configuration 1 being identified as a reference CSI reporting configuration for CSI reporting configuration 0, if either CSI reporting configuration enters a triggered state, the other CSI reporting configuration will enter a triggered state. In other words, both CSI report 0 and CSI report 1 may be triggered based at least in part on receiving an indication in a DCI regarding triggering CSI report 1 or CSI report 0.

[0140] As shown by reference numeral 915, if CSI reporting configuration 1 is triggered (e.g., CSI reporting 1 is triggered), CSI reporting configuration 0 may also be triggered, which is identified as the reference CSI reporting configuration. In some aspects, CSI reporting configuration 0 and CSI reporting configuration 1 may not be in the same triggering state.

[0141] As shown by reference numeral 920, the UE 120 may receive a CSI request in a DCI communication that triggers a trigger state for CSI report configuration 0 or CSI report configuration 1. In some aspects, the UE 120 may use the techniques described with respect to reference numerals 905, 910, or 915 to trigger CSI report configuration 0 (e.g., to send CSI report 0) and CSI report configuration 1 (e.g., to send CSI report 1). In some aspects, the CSI-RS resources used for the CSI-RS associated with CSI report 0 may be located in a different time slot than the CSI-RS resources used for the CSI-RS associated with CSI report 1. In some aspects, the UE 120 may send CSI report 0 and CSI report 1 in the same time slot and / or using the same PUSCH transmission.

[0142] As shown in example 900, CSI report 0 and CSI report 1 may be sent at the same time (e.g., during the same PUSCH time slot and / or symbol) based at least in part on being triggered by the same UL grant. In some aspects, UE 120 may receive CSI-RS 0 and CSI-RS 1 during different time slots and / or different symbols, and may send CSI report 0 and CSI report 1 during the same set of time domain resources.

[0143] As noted above, Fig. 9 is provided as an example. Other examples may differ from those described above. Fig. 9 Examples described.

[0144] Fig.10 is a diagram illustrating an example 1000 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0145] As in Fig.10 0 and as shown by reference numeral 1005, CSI report 1 may be triggered at a later time than when CSI report 0 is triggered. In some aspects, a first DCI (e.g., including trigger state 0) triggers CSI report 0, and a second DCI (e.g., including trigger state 1) triggers CSI report 1. The second DCI may indicate a reference CSI report as CSI report 0. In some aspects, based at least in part on the second DCI, CSI report 1 may not be triggered before CSI report 0. In some aspects, an offset between the first DCI that triggers CSI report 0 and the second DCI that triggers CSI report 1 does not satisfy a threshold (e.g., the offset is less than or equal to the threshold). The threshold may be based at least in part on the capabilities of the UE or may be fixed (e.g., 1 time slot).

[0146] In some aspects, the CSI-RS1 resource set measured for CSI report 1 occurs or starts simultaneously with or after the CSI-RS 0 resource set measured for CSI report 0. There is an offset between the CSI-RS 0 resource set and the second CSI-RS1 resource set that does not meet a threshold (e.g., the offset is less than or equal to the threshold). The threshold may be based at least in part on the capabilities of the UE or may be fixed (e.g., 1 time slot).

[0147] In some aspects, the UE 120 may determine that CSI report 0 and CSI report 1 are PUCCH-based CSI reports (e.g., periodic CSI reports or semi-persistent CSI reports), which may be triggered by periodic CSI and / or MAC control elements (CEs). In some aspects, the time slot offset between the transmission timing of CSI report 0 and the transmission timing of CSI report 1 may be less than or equal to a threshold. In other words, CSI report 0 may be sent in time slots n, n+T0, n+2T0, n+3T0, etc., and CSI report 1 may be sent in time slots m, m+T1, m+2T1, m+3T1, etc. In some aspects, the period of CSI report 0 and the period of CSI report 1 may be the same period (e.g., T0=T1). In some aspects, the difference between n and m may meet (e.g., be less than) a threshold number of time slots.

[0148] As indicated by reference numeral 1010, periodic CSI and / or semi-persistent CSI may be sent via CSI report 0 and CSI report 1 using the same PUCCH resource with the same slot offset. In some aspects, any CSI-RS resources between the CSI reference resources and the PUCCH may not be used for measurements associated with CSI report 0 and CSI report 1. In some aspects, the CSI reference resources for periodic CSI may be defined as 4 milliseconds before the PUSCH resources used to send CSI report 0 and CSI report 1. In some aspects, the CSI reference resources for semi-persistent CSI may be defined as 5 milliseconds before the PUSCH resources used to send CSI report 0 and CSI report 1. In this way, UE 120 can determine which CSI resources (e.g., CSI resources before the CSI reference resources) to measure for CSI report 0 and CSI report 1.

[0149] CSI report 0 and CSI report 1 may be sent in the same PUSCH resource and / or configured with the same slot offset from the CSI reference resource. For example, UE 120 may send CSI report 0 and CSI report 1 in a PUSCH resource a period of time (e.g., 5 milliseconds) after the CSI reference resource.

[0150] As noted above, Fig.10 is provided as an example. Other examples may differ from those described above. Fig.10 Examples described.

[0151] Fig.11 is a diagram illustrating an example 1100 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0152] As in Fig.11 1105, UE 120 may receive an aggregated CSI reporting configuration (e.g., a giant CSI reporting configuration) including a first CSI reporting configuration and a second CSI reporting configuration. In some aspects, the second CSI reporting configuration may be dependent on the first CSI reporting configuration. In some aspects, the first CSI reporting configuration and the second CSI reporting configuration may be interdependent. The aggregated CSI reporting configuration may include an indication of a set of CSI reporting configurations (e.g., including the first CSI reporting configuration and the second CSI reporting configuration), a transmission scheme, RI pair restrictions, etc.

[0153] In some aspects, the RI pair restriction indicates one or more combinations of rank indications that are allowed to be included in a first CSI report associated with a first CSI reporting configuration and included in a second CSI report associated with a second CSI reporting configuration. In some aspects, the multiplexing scheme may be implicitly indicated by the RI pair restriction. For example, for an RI pair restriction that only allows RI pairs with the same rank, the UE 120 may determine that the transmission scheme is FDM or TDM. This may be based at least in part on using RI pairs with the same rank for FDM and TDM transmission schemes (based at least in part on only allowing a single codeword for FDM and TDM transmission schemes). For an RI pair restriction that allows RI pairs with different ranks, the UE 120 may determine that the transmission scheme is SDM.

[0154] In some aspects, the first CSI reporting configuration and the second CSI reporting configuration may be communicated based at least in part on RRC signaling to UE 120. The aggregated CSI reporting configuration may include one or more indicators that map to the first CSI reporting configuration and / or the second CSI reporting configuration.

[0155] As shown in reference numerals 1110 and 115, the first CSI report configuration and the second CSI report configuration may indicate corresponding channel measurement resources (CMRs), interference measurement resources (IMRs) and / or codebook configurations (e.g., number of ports, codebook type, codebook subset restriction, etc.).

[0156] As noted above, Fig.11 is provided as an example. Other examples may differ from those described above. Fig.11 Examples described.

[0157] Fig.12 is a diagram illustrating an example 1200 of associating multiple CSI reports for multi-layer communications in accordance with various aspects of the present disclosure.

[0158] As shown in example 1200, a UE may receive a CSI reporting configuration indicating a first CSI parameter set for calculating CSI for a single TRP mode and a second CSI parameter set for calculating CSI for a multi-TRP mode. In some aspects, the CSI reporting configuration may indicate a CRI value associated with a single TRP mode (e.g., a CRI value of 0 means TRP 0; a CRI value of 1 means TRP 1) or a CRI value associated with a multi-TRP mode (e.g., a CRI value of 2 means TRP 0 and TRP 1). In some aspects, the CSI reporting configuration may indicate a CMR associated with resources for channel measurement of a CSI-RS for one or more of TRP 0 or TRP 1 identified by the CRI value. In some aspects, an IMR value may be associated with a set of one or more resources based at least in part on a CSI value (e.g., based at least in part on whether the CRI value indicates TRP 0, TRP 1, or both TRP 0 and TRP 1). In some aspects, the CSI reporting configuration may also indicate a transmission scheme associated with a single TRP mode or a multi-TRP mode, and / or a CB associated with a single TRP mode or a multi-TR mode. The CSI reporting configuration may additionally identify whether the PMI pair to be reported by the UE is associated with a multi-TRP mode, and the like.

[0159] The CSI reporting configuration may also identify RI pair restrictions for each of TRP 0 and TRP 1 based on the CRI indication multi-TRP mode. The RI pair restrictions may indicate combinations of rank indications allowed to be included in a first CSI report for a first TRP and a second CSI report for a second TRP. In some aspects, the multiplexing scheme may be implicitly indicated by the RI pair restrictions. For example, for RI pair restrictions that only allow RI pairs with the same rank, the UE 120 may determine that the transmission scheme is FDM or TDM. This may be based at least in part on the use of RI pairs with the same rank for FDM and TDM transmission schemes (based at least in part on FDM and TDM transmission schemes that only allow a single codeword). For RI pair restrictions that allow RI pairs with different ranks, the UE 120 may determine that the transmission scheme is SDM.

[0160] In some aspects, a single TRP mode or a multiple TRP mode may be indicated in a CSI reporting configuration by a CSI reference signal (CSI-RS) resource indicator, a CSI-RS resource or a CSI-RS resource set, a CSI-RS resource set, a CSI-RS port group, CQI, PMI, RI, and the like.

[0161] As noted above, Fig.12 is provided as an example. Other examples may differ from those described above. Fig.12 Examples described.

[0162] Fig.13 is a diagram illustrating an example process 1300, performed, for example, by a UE, in accordance with various aspects of the present disclosure. Example process 1300 is an example of operations in which a UE (eg, UE 120, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0163] like Fig.13 As shown, in some aspects, process 1300 may include receiving a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources (block 1310). For example, a UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may receive a plurality of CSI reporting configurations, the plurality of CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources, as described above.

[0164] like Fig.13 As further shown in FIG. 1 , in some aspects, process 1300 may include determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration (block 1320). For example, the UE (e.g., using controller / processor 280, etc.) may determine the dependency between the first CSI reporting configuration and the second CSI reporting configuration, as described above.

[0165] like Fig.13 As further shown in , in some aspects, process 1300 may include: calculating at least one of a first CSI for a first CSI reporting configuration or a second CSI for a second CSI reporting configuration based at least in part on an assumption of joint transmission using one or more CSI reference resources, wherein the assumption is based at least in part on a determination of a dependency (block 1330). For example, a UE (e.g., using controller / processor 280, etc.) may calculate at least one of a first CSI for a first CSI reporting configuration or a second CSI for a second CSI reporting configuration based at least in part on an assumption of joint transmission using one or more CSI reference resources, as described above. In some aspects, the assumption is based at least in part on a determination of a dependency.

[0166] like Fig.13As further shown in FIG. 1 , in some aspects, process 1300 may include reporting at least one of the first CSI in the first CSI report or the second CSI in the second CSI report (block 1340). For example, the UE (e.g., using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc.) may report at least one of the first CSI in the first CSI report or the second CSI in the second CSI report, as described above.

[0167] Process 1300 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0168] In the first aspect, the dependency between the first CSI reporting configuration and the second CSI reporting configuration comprises at least one of the following: dependency of the second CSI reporting configuration on the first CSI reporting configuration, or mutual dependency between the first CSI reporting configuration and the second CSI reporting configuration.

[0169] In a second aspect, alone or in combination with the first aspect, the second CSI reporting configuration includes an indication that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration.

[0170] In a third aspect, alone or in combination with one or more of the first and second aspects, calculating the second CSI and reporting the second CSI includes: calculating and reporting the second CSI based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

[0171] In a fourth aspect, alone or in combination with one or more of the first to third aspects, process 1300 includes: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a spatial division multiplexing scheme; and calculating and reporting a second CSI based at least in part on the determination.

[0172] In the fifth aspect, alone or in combination with one or more aspects of the first to fourth aspects, calculating the second CSI at least partially based on the assumption of joint transmission using one or more CSI reference resources includes: calculating the second CSI at least partially based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI reporting configuration; and reporting the first CSI and the second CSI using the same rank indicated in the first CSI reporting configuration.

[0173] In a sixth aspect, alone or in combination with one or more of aspects 1 to 5, process 1300 includes: determining, based at least in part on an indication in a second CSI reporting configuration, that a second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme; and calculating and reporting a second CSI based at least in part on the determination.

[0174] In the seventh aspect, alone or in combination with one or more aspects of the first to sixth aspects, determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent based at least in part on at least one of the following items: a first indication in the first CSI reporting configuration indicating that the second CSI reporting configuration is a reference to the first CSI reporting configuration; or a second indication in the second CSI reporting configuration indicating that the first CSI reporting configuration is a reference to the second CSI reporting configuration, the second indication.

[0175] In the eighth aspect, alone or in combination with one or more aspects of the first to seventh aspects, calculating CSI for at least one of the first CSI reporting configuration and the second CSI reporting configuration based at least in part on the assumption of joint transmission using one or more CSI reference resources includes at least one of the following operations: calculating the first CSI and the second CSI based at least in part on the assumption of physical downlink shared channel communication via the first CSI and the second CSI; or calculating the first CSI at least in part based on an assumption of interference, which assumption of interference is at least in part based on reporting the second CSI, and calculating the second CSI at least in part based on an assumption of interference, which assumption of interference is at least in part based on reporting the first CSI.

[0176] In a ninth aspect, alone or in combination with one or more of aspects 1 to 8, process 1300 includes: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a spatial division multiplexing scheme; and calculating and reporting a second CSI based at least in part on the determination.

[0177] In the tenth aspect, alone or in combination with one or more aspects of the first to ninth aspects, calculating and reporting CSI for at least one of a first CSI reporting configuration and a second CSI reporting configuration based at least in part on an assumption of joint transmission using one or more CSI reference resources includes: calculating a first CSI and calculating and reporting a second CSI, wherein the first CSI and the second CSI have the same rank; and reporting the first CSI and the second CSI using the same rank indicated in the first CSI reporting configuration.

[0178] In the eleventh aspect, alone or in combination with one or more aspects of the first to tenth aspects, process 1300 includes: determining, at least in part based on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme; and calculating and reporting the second CSI based at least in part on the determination.

[0179] In the twelfth aspect, alone or in combination with one or more aspects of the first to eleventh aspects, the first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), the second CSI includes a second CRI, the first values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on the assumption of independent transmission of a first CSI reporting configuration using a first CSI reference resource among one or more CSI reference resources and a second CSI reporting configuration using a second CSI reference resource among one or more CSI reference resources; and the second values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on the assumption of joint transmission of CSI reference resources associated with the first CSI reporting configuration and the second CSI reporting configuration among one or more CSI reference resources.

[0180] In a thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the first CRI and the second CRI have the same value.

[0181] In a fourteenth aspect, either alone or in combination with one or more of aspects one to thirteen, process 1300 includes receiving an indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction that configures the UE to report only a subset of CRI values.

[0182] In the fifteenth aspect, alone or in combination with one or more of the first to fourteenth aspects, the first CSI report and the second CSI report are triggered simultaneously.

[0183] In a sixteenth aspect, alone or in combination with one or more of the first to fifteenth aspects, the first CSI report and the second CSI report are associated with the same triggering state.

[0184] In the seventeenth aspect, alone or in combination with one or more aspects of the first to sixteenth aspects, process 1300 includes: receiving an indication in a second CSI reporting configuration; determining, at least in part based on the indication, that the second CSI reporting configuration is dependent on the first CSI reporting configuration; receiving an indication in downlink control information (DCI) for triggering a second CSI report; and determining that both the first CSI report and the second CSI report are triggered based at least in part on the dependency of the second CSI reporting configuration on the first CSI reporting configuration and the indication in the DCI for triggering the second CSI report.

[0185] In aspect 18, alone or in combination with one or more aspects from aspect 1 to aspect 17, a first CSI report is triggered at the same time or earlier than a second CSI report, wherein there is an offset less than or equal to a first threshold between a first DCI triggering the first CSI report and a second DCI triggering the second CSI report.

[0186] In a nineteenth aspect, alone or in combination with one or more of the first to eighteenth aspects, the first threshold is fixed or is based at least in part on the capabilities of the UE and a report of the capabilities of the UE.

[0187] In the twentieth aspect, alone or in combination with one or more of the first to nineteenth aspects, a first CSI reference signal (CSI-RS) resource set measured for a first CSI report occurs or starts at the same time or earlier than a second CSI-RS resource set measured for a second CSI report, wherein there is an offset between the first CSI-RS resource set and the second CSI-RS resource set that is less than or equal to a second threshold.

[0188] In aspect 21, either alone or in combination with one or more of aspects 1 to 20, at least one of the first threshold or the second threshold is fixed, or at least one of the first threshold or the second threshold is at least partially based on the capabilities of the UE and a report of the capabilities of the UE.

[0189] In the twenty-second aspect, alone or in combination with one or more of the first to twenty-first aspects, the first CSI report and the second CSI report are sent in the same physical uplink control channel resources and are configured with the same time slot offset.

[0190] In aspect twenty-third, alone or in combination with one or more aspects from aspect one to aspect twenty-second, process 1300 includes: determining that the first CSI report and the second CSI report are periodic CSI reports or semi-persistent CSI reports, and that the time slot offset between the transmission timing of the first CSI report and the transmission timing of the second CSI report is less than or equal to a threshold.

[0191] In a twenty-fourth aspect, alone or in combination with one or more of the first to twenty-third aspects, the threshold is fixed or is based at least in part on UE capabilities.

[0192] In the twenty-fifth aspect, alone or in combination with one or more of the first to twenty-fourth aspects, the periodicity of the first CSI report and the periodicity of the second CSI report are the same period.

[0193] Although Fig.13 Example blocks of process 1300 are shown, but in some aspects, process 1300 may include Fig.13 The blocks depicted in the process 1300 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 1300. Additionally or alternatively, two or more blocks in the blocks of the process 1300 may be executed in parallel.

[0194] Fig.14 14 is a diagram illustrating an example process 1400, performed, for example, by a UE, in accordance with various aspects of the present disclosure. Example process 1400 is an example of operations in which a UE (eg, UE 120, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0195] like Fig.14 As shown, in some aspects, process 1400 may include receiving an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource (block 1410). For example, a UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may receive an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource, as described above.

[0196] like Fig.14 As further shown in FIG. 14 , in some aspects, process 1400 may include determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent (block 1420). For example, the UE (e.g., using controller / processor 280, etc.) may determine that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, as described above.

[0197] like Fig.14 As further shown in, in some aspects, process 1400 may include: calculating a first CSI for a first CSI reporting configuration and a second CSI for a second CSI reporting configuration based at least in part on an assumption of joint transmission using CSI reference resources, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in an aggregated CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent (block 1430). For example, a UE (e.g., using controller / processor 280, etc.) may calculate the first CSI for the first CSI reporting configuration and the second CSI for the second CSI reporting configuration based at least in part on an assumption of joint transmission using CSI reference resources, as described above. In some aspects, the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in an aggregated CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0198] Process 1400 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0199] In a first aspect, the first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), the second CSI includes a second CRI, and the values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint transmission using CSI reference resources.

[0200] In a second aspect, either alone or in combination with the first aspect, the first CRI and the second CRI have the same value.

[0201] In a third aspect, alone or in combination with one or more of the first and second aspects, process 1400 includes: receiving an indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction, wherein the CRI restriction configures the UE to report only a subset of CRI values.

[0202] In the fourth aspect, alone or in combination with one or more aspects of the first to third aspects, the aggregated CSI reporting configuration indicates a rank indication pair restriction for a first CSI reporting configuration and a second CSI reporting configuration, and the rank indication pair restriction is used to indicate a combination of rank indications allowed to be included in a first CSI report associated with the first CSI reporting configuration and included in a second CSI report associated with the second CSI reporting configuration.

[0203] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, the aggregated CSI reporting configuration further indicates a multiplexing scheme for the first CSI reporting configuration and the second CSI reporting configuration.

[0204] In the sixth aspect, alone or in combination with one or more aspects of the first to fifth aspects, the multiplexing scheme of the first CSI report configuration and the second CSI report configuration is implicitly indicated by the rank indication pair restrictions for the first CSI report configuration and the second CSI report configuration, and the multiplexing scheme is indicated as a time division multiplexing scheme or a frequency division multiplexing scheme at least partially based on the common rank restrictions in the rank indication pair restrictions.

[0205] In the seventh aspect, alone or in combination with one or more aspects of the first to sixth aspects, calculating the first CSI and the second CSI at least partially based on the assumption of joint transmission using CSI reference resources includes at least one of the following operations: calculating the first CSI and the second CSI at least partially based on the assumption of physical downlink shared channel communication via the first CSI and the second CSI; or calculating the first CSI at least partially based on an interference assumption, which interference assumption is at least partially based on reporting the second CSI, and calculating the second CSI at least partially based on the interference assumption, which interference assumption is at least partially based on reporting the first CSI.

[0206] In the eighth aspect, alone or in combination with one or more aspects of the first to seventh aspects, calculating and reporting CSI for at least one of a first CSI reporting configuration and a second CSI reporting configuration based at least in part on an assumption of joint transmission using CSI reference resources includes: calculating and reporting the first CSI and calculating and reporting the second CSI, wherein the first CSI and the second CSI have the same rank.

[0207] Although Fig.14 Example blocks of process 1400 are shown, but in some aspects, process 1400 may include Fig.14 The blocks depicted in the process 1400 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 1400. Additionally or alternatively, two or more blocks in the blocks of the process 1400 may be executed in parallel.

[0208] Fig.15 is a diagram illustrating an example process 1500, performed, for example, by a UE, in accordance with various aspects of the present disclosure. Example process 1500 is an example of operations in which a UE (eg, UE 120, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0209] like Fig.15As shown, in some aspects, process 1500 may include: receiving a CSI reporting configuration, the CSI reporting configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI reporting configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported if the UE selects a plurality of resources in the plurality of NZP CSI-RS resources or a plurality of port groups in the plurality of NZP CSI-RS port groups (block 1510). For example, a UE (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may receive a CSI reporting configuration, the CSI reporting configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, as described above. In some aspects, the CSI reporting configuration includes a rank indication pair restriction indicating combinations of rank indications allowed to be reported if the UE selects multiple resources among multiple NZP CSI-RS resources or multiple port groups among multiple NZP CSI-RS port groups.

[0210] like Fig.15 As further shown in FIG. 1 , in some aspects, process 1500 may include: calculating CSI based at least in part on the rank indication pair restriction and at least in part on the assumption of joint transmission using multiple resources of the multiple NZP CSI-RS resources or multiple port groups of the multiple NZP CSI-RS port groups (block 1520). For example, the UE (e.g., using the controller / processor 280, etc.) may calculate CSI based at least in part on the rank indication pair restriction and at least in part on the assumption of joint transmission using multiple resources of the multiple NZP CSI-RS resources or multiple port groups of the multiple NZP CSI-RS port groups, as described above.

[0211] Process 1500 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0212] In a first aspect, process 1500 includes reporting CSI associated with a CSI reporting configuration to a network.

[0213] Although Fig.15 Example blocks of process 1500 are shown, but in some aspects, process 1500 may include Fig.15 The blocks depicted in process 1500 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in process 1500. Additionally or alternatively, two or more blocks in the blocks of process 1500 may be executed in parallel.

[0214] Fig.16 is a diagram illustrating an example process 1600, performed, for example, by a base station, in accordance with various aspects of the present disclosure. Example process 1600 is an example of operations in which a base station (eg, base station 110, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0215] like Fig.16 As shown, in some aspects, process 1600 may include sending multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources (block 1610). For example, a base station (e.g., using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc.) may send multiple CSI reporting configurations, the multiple CSI reporting configurations including at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources, as described above.

[0216] like Fig.16 As further shown in FIG. 1 , in some aspects, process 1600 may include determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration (block 1620). For example, the base station (e.g., using controller / processor 240, etc.) may determine the dependency between the first CSI reporting configuration and the second CSI reporting configuration, as described above.

[0217] like Fig.16 As further shown in, in some aspects, process 1600 may include: receiving at least one of first CSI for a first CSI reporting configuration in a first CSI report or second CSI for a second CSI reporting configuration in a second CSI report, wherein at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using one or more CSI reference resources, wherein the assumption is based at least in part on a dependency (block 1630). For example, a base station (e.g., using antenna 234, DEMOD 232, MIMO detector 236, receive processor 238, controller / processor 240, etc.) may receive at least one of first CSI for a first CSI reporting configuration in a first CSI report or second CSI for a second CSI reporting configuration in a second CSI report, as described above. In some aspects, at least one of the first CSI and the second CSI is calculated at least in part based on an assumption of joint transmission using one or more CSI reference resources. In some aspects, the assumption is based at least in part on a dependency.

[0218] Process 1600 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0219] In the first aspect, the dependency between the first CSI reporting configuration and the second CSI reporting configuration comprises at least one of the following: dependency of the second CSI reporting configuration on the first CSI reporting configuration, or mutual dependency between the first CSI reporting configuration and the second CSI reporting configuration.

[0220] In the second aspect, alone or in combination with the first aspect, process 1600 includes: sending an indication in the second CSI reporting configuration to indicate that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration, and wherein determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: determining that the second CSI reporting configuration is dependent on the first CSI reporting configuration based at least in part on the indication in the second CSI reporting configuration to indicate that the first CSI reporting configuration is a reference reporting configuration for the second CSI reporting configuration.

[0221] In a third aspect, alone or in combination with one or more of the first and second aspects, the second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

[0222] In a fourth aspect, alone or in combination with one or more of the first to third aspects, process 1600 includes: sending an indication in a second CSI reporting configuration to indicate that the second CSI reporting configuration is associated with a spatial division multiplexing scheme, and the second CSI is calculated at least in part based on the indication.

[0223] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, process 1600 includes: receiving second CSI having the same rank as the first CSI.

[0224] In the sixth aspect, alone or in combination with one or more aspects of the first to fifth aspects, process 1600 includes: sending an indication in the second CSI reporting configuration to indicate that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme, and the second CSI is calculated at least in part based on the indication.

[0225] In the seventh aspect, alone or in combination with one or more aspects of the first to sixth aspects, determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent based at least in part on at least one of the following operations: sending a first indication in the first CSI reporting configuration to indicate that the second CSI reporting configuration is a reference to the first CSI reporting configuration; or sending a second indication in the second CSI reporting configuration to indicate that the first CSI reporting configuration is a reference to the second CSI reporting configuration.

[0226] In the eighth aspect, alone or in combination with one or more of the first to seventh aspects, the first CSI and the second CSI are calculated at least in part based on an assumption of physical downlink shared channel communication via the first CSI and the second CSI; or the first CSI is calculated at least in part based on an assumption of interference, which is at least in part based on reporting the second CSI, and the second CSI is calculated at least in part based on an assumption of interference, which is at least in part based on reporting the first CSI.

[0227] In the ninth aspect, alone or in combination with one or more aspects of the first to eighth aspects, process 1600 includes: sending an indication in the second CSI reporting configuration to indicate that the second CSI reporting configuration is associated with a spatial division multiplexing scheme, and the second CSI is calculated at least in part based on the indication.

[0228] In a tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 1600 includes: receiving a second CSI having the same rank as the first CSI.

[0229] In the eleventh aspect, alone or in combination with one or more aspects of the first to tenth aspects, process 1600 includes: sending an indication in the second CSI reporting configuration to indicate that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme, and the second CSI is calculated at least in part based on the indication.

[0230] In the twelfth aspect, alone or in combination with one or more aspects of the first to eleventh aspects, the first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), the second CSI includes a second CRI, the first values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on the assumption of independent transmission of a first CSI reporting configuration using a first CSI reference resource among one or more CSI reference resources and a second CSI reporting configuration using a second CSI reference resource among one or more CSI reference resources; and the second values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on the assumption of joint transmission of CSI reference resources associated with the first CSI reporting configuration and the second CSI reporting configuration among one or more CSI reference resources.

[0231] In a thirteenth aspect, alone or in combination with one or more of the first to twelfth aspects, the first CRI and the second CRI have the same value.

[0232] In a fourteenth aspect, either alone or in combination with one or more of aspects one to thirteen, process 1600 includes sending an indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction that configures the UE to report only a subset of CRI values.

[0233] In a fifteenth aspect, alone or in combination with one or more of the first to fourteenth aspects, process 1600 includes: sending downlink signaling, wherein the downlink signaling triggers a first CSI report and a second CSI report simultaneously.

[0234] In the sixteenth aspect, alone or in combination with one or more aspects of the first to fifteenth aspects, process 1600 includes: sending a configuration in which the first CSI report configuration and the second CSI report configuration are in the same trigger state; and sending downlink signaling to trigger the trigger state for the first CSI report configuration and the second CSI report configuration.

[0235] In the seventeenth aspect, alone or in combination with one or more aspects of the first to sixteenth aspects, process 1600 includes: sending an indication in a second CSI reporting configuration; determining, at least in part based on the indication, that the second CSI reporting configuration is dependent on the first CSI reporting configuration; sending an indication for triggering a second CSI report in downlink control information (DCI); and determining that both the first CSI report and the second CSI report are triggered based at least in part on the dependency of the second CSI reporting configuration on the first CSI reporting configuration and the indication for triggering the second CSI report in the DCI.

[0236] In the eighteenth aspect, alone or in combination with one or more aspects from the first to seventeenth aspects, process 1600 includes: triggering a first CSI report at a first time; and triggering a second CSI report at a second time, wherein the first time is the same time as the second time, or the first time is earlier than the second time by an offset less than or equal to a first threshold.

[0237] In the nineteenth aspect, alone or in combination with one or more aspects of the first to eighteenth aspects, process 1600 includes: determining the first threshold at least in part based on the reported capabilities of the UE, or determining the first threshold at least in part based on a fixed value independent of the capabilities of the UE.

[0238] In aspect 20, alone or in combination with one or more aspects from aspect 1 to aspect 19, process 1600 includes: sending a first CSI-RS to be measured for a first CSI report at a third time; sending a second CSI-RS to be measured for a second CSI report at a fourth time, wherein the third time is the same time as the fourth time, or the third time is earlier than the fourth time by an offset less than or equal to a second threshold.

[0239] In aspect 21, alone or in combination with one or more of aspects 1 to 20, process 1600 includes: determining at least one of the first threshold or the second threshold based at least in part on the reported capabilities of the UE, or determining at least one of the first threshold or the second threshold based at least in part on a fixed value independent of the capabilities of the UE.

[0240] In aspect twenty-second, alone or in combination with one or more of aspects one to twenty-first, process 1600 includes configuring or scheduling the UE to send a first CSI report and a second CSI report in the same physical uplink control channel with the same time slot offset.

[0241] In aspect twenty-third, alone or in combination with one or more aspects from aspect one to aspect twenty-second, process 1600 includes: configuring a first CSI report and a second CSI report as a periodic CSI report or a semi-persistent CSI report, wherein a time slot offset between a transmission timing of the first CSI report and a transmission timing of the second CSI report is less than or equal to a threshold.

[0242] In aspect twenty-four, alone or in combination with one or more of aspects one to twenty-third, process 1600 includes determining a threshold based at least in part on reported UE capabilities, or determining a threshold based at least in part on a fixed value independent of UE capabilities.

[0243] In a twenty-fifth aspect, alone or in combination with one or more of the first to twenty-fourth aspects, process 1600 includes: configuring the first CSI report and the second CSI report to have the same period.

[0244] Although Fig.16 An example block diagram of process 1600 is shown, but in some aspects, process 1600 may include Fig.16 The blocks depicted in the process 1600 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 1600. Additionally or alternatively, two or more blocks in the blocks of the process 1600 may be executed in parallel.

[0245] Fig.17 is a diagram illustrating an example process 1700, performed, for example, by a base station, in accordance with various aspects of the present disclosure. Example process 1700 is an example of operations in which a base station (eg, base station 110, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0246] like Fig.17 As shown, in some aspects, process 1700 may include: determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent (block 1710). For example, a base station (e.g., using controller / processor 240, etc.) may determine that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, as described above.

[0247] like Fig.17 As further shown in FIG. 1 , in some aspects, process 1700 may include sending an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource (block 1720). For example, a base station (e.g., using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc.) may send an aggregate CSI reporting configuration, the aggregate CSI reporting configuration including at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource, as described above.

[0248] like Fig.17As further shown in, in some aspects, process 1700 may include receiving at least one of a first CSI for a first CSI reporting configuration and a second CSI for a second CSI reporting configuration based at least in part on an assumption of joint transmission using CSI reference resources, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in an aggregated CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent (block 1730). For example, a base station (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may receive at least one of a first CSI for a first CSI reporting configuration and a second CSI for a second CSI reporting configuration based at least in part on an assumption of joint transmission using CSI reference resources, as described above. In some aspects, the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in an aggregated CSI reporting configuration and a determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent.

[0249] Process 1700 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0250] In a first aspect, the first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), the second CSI includes a second CRI, and the values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint transmission using CSI reference resources.

[0251] In a second aspect, either alone or in combination with the first aspect, the first CRI and the second CRI have the same value.

[0252] In a third aspect, either alone or in combination with one or more of the first and second aspects, process 1700 includes sending an indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction that configures a user equipment to report only a subset of CRI values.

[0253] In a fourth aspect, alone or in combination with one or more of the first to third aspects, process 1700 includes: sending a rank indication pair restriction for a first CSI report configuration and a second CSI report configuration, wherein the rank indication pair restriction is used to indicate a combination of rank indications allowed to be included in a first CSI report associated with the first CSI report configuration and included in a second CSI report associated with the second CSI report configuration.

[0254] In a fifth aspect, alone or in combination with one or more of the first to fourth aspects, process 1700 includes: sending an indication for indicating a multiplexing scheme for a first CSI reporting configuration and a second CSI reporting configuration.

[0255] In the sixth aspect, alone or in combination with one or more aspects of the first to fifth aspects, process 1700 includes: sending a rank indication pair restriction indication, wherein the rank indication pair restriction indication jointly indicates a rank indication pair restriction and a multiplexing scheme for a first CSI reporting configuration and a second CSI reporting configuration.

[0256] In the seventh aspect, alone or in combination with one or more aspects of the first to sixth aspects, the first CSI and the second CSI are calculated at least in part based on an assumption of physical downlink shared channel communication via the first CSI and the second CSI; or the first CSI is calculated at least in part based on an assumption of interference, which is at least in part based on reporting the second CSI, and the second CSI is calculated at least in part based on an assumption of interference, which is at least in part based on reporting the first CSI.

[0257] In an eighth aspect, alone or in combination with one or more of the first to seventh aspects, process 1700 includes: receiving a second CSI having the same rank as the first CSI.

[0258] Although Fig.17 Example blocks of process 1700 are shown, but in some aspects, process 1700 may include Fig.17 The blocks depicted in the process 1700 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 1700. Additionally or alternatively, two or more blocks in the blocks of process 1700 may be executed in parallel.

[0259] Fig.18 is a diagram illustrating an example process 1800, performed, for example, by a base station, in accordance with various aspects of the present disclosure. Example process 1800 is an example of operations in which a base station (eg, base station 110, etc.) performs operations associated with associating multiple channel state information reports for multi-layer communications.

[0260] like Fig.18As shown, in some aspects, process 1800 may include: sending a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, wherein the CSI report configuration includes a rank indication pair restriction, the rank indication pair restriction being used to indicate a combination of rank indications allowed to be reported when a UE selects a plurality of resources in a plurality of NZP CSI-RS resources or a plurality of port groups in a plurality of NZP CSI-RS port groups (block 1810). For example, a base station (e.g., using controller / processor 240, transmit processor 220, TX MIMO processor 230, MOD 232, antenna 234, etc.) may send a CSI report configuration, the CSI report configuration indicating a plurality of NZP CSI-RS resources for channel measurement or a plurality of NZP CSI-RS port groups for channel measurement, as described above. In some aspects, the CSI reporting configuration includes a rank indication pair restriction indicating combinations of rank indications allowed to be reported if the UE selects multiple resources among multiple NZP CSI-RS resources or multiple port groups among multiple NZP CSI-RS port groups.

[0261] like Fig.18 As further shown in FIG. 1 , in some aspects, process 1800 may include receiving CSI calculated based at least in part on the rank indication pair restriction, based at least in part on the assumption of joint transmission using multiple resources in a plurality of NZP CSI-RS resources or multiple port groups in a plurality of NZP CSI-RS port groups (block 1820). For example, a base station (e.g., using antenna 252, DEMOD 254, MIMO detector 256, receive processor 258, controller / processor 280, etc.) may receive CSI calculated based at least in part on the rank indication pair restriction, based at least in part on the assumption of joint transmission using multiple resources in a plurality of NZP CSI-RS resources or multiple port groups in a plurality of NZP CSI-RS port groups, as described above.

[0262] Process 1800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere herein.

[0263] Although Fig.18 An example block diagram of process 1800 is shown, but in some aspects, process 1800 may include Fig.18 The blocks depicted in the process 1800 may include additional blocks, fewer blocks, different blocks, or blocks arranged in a different manner than those depicted in the process 1800. Additionally or alternatively, two or more blocks in the blocks of process 1800 may be executed in parallel.

[0264] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the aspects to the precise forms disclosed. Modifications and variations are possible in light of the above disclosure or may be acquired from practice of the various aspects.

[0265] As used herein, the term "component" is intended to be broadly interpreted as hardware, firmware, and / or a combination of hardware and software. As used herein, a "processor" is implemented with hardware, firmware, and / or a combination of hardware and software.

[0266] As used herein, satisfying a threshold may refer to a value being greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc., depending on the context.

[0267] It will be apparent that the systems and / or methods described herein may be implemented with various forms of hardware, firmware, and / or combinations of hardware and software. The actual specialized control hardware or software code used to implement these systems and / or methods is not limiting in any respect. Therefore, the operation and behavior of the systems and / or methods are described herein without reference to specific software code, it being understood that software and hardware may be designed to implement the systems and / or methods based, at least in part, on the description herein.

[0268] Even if the specific combination of features is recorded in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. In fact, many of these features can be combined in a manner that is not specifically recorded in the claims and / or specifically disclosed in the specification. Although each dependent claim listed below can only directly depend on one claim, the disclosure of various aspects includes the combination of each dependent claim with each other claim in the claim set. The phrase "at least one of" referring to the list of items refers to any combination of those items, including a single member. For example, "at least one of a, b or c" is intended to cover any combination of a, b, c, ab, ac, bc and abc, and with multiples of the same element (e.g., aa, aaa, aab, aac, abb, acc, bb, bbb, bbc, cc and ccc or any other ordering of a, b and c).

[0269] None of the elements, actions or instructions used herein should be interpreted as key or necessary, unless clearly described as such. In addition, as used herein, the articles "a" and "an" are intended to include one or more projects, and can be used interchangeably with "one or more". In addition, as used herein, the terms "set" and "group" are intended to include one or more projects (e.g., related projects, unrelated projects, combinations of related projects and unrelated projects, etc.), and can be used interchangeably with "one or more". In the case of only expecting one project, the phrase "only one" or similar language is used. In addition, as used herein, the terms "has", "have", "having" and / or similar terms are intended to be open terms. In addition, unless otherwise clearly stated, the phrase "based on" is intended to mean "based at least in part on".

Claims

1. A method of wireless communication performed by a user equipment (UE), comprising: receiving a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; and reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

2. The method according to claim 1, wherein: The dependency between the first CSI reporting configuration and the second CSI reporting configuration includes at least one of the following: the dependency of the second CSI reporting configuration on the first CSI reporting configuration, or A mutual dependency between the first CSI reporting configuration and the second CSI reporting configuration.

3. The method according to claim 1, wherein: The second CSI reporting configuration includes an indication that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration, and The determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: Based at least in part on the indication that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration, it is determined that the second CSI reporting configuration is dependent on the first CSI reporting configuration.

4. The method according to claim 3, wherein: Calculating the second CSI and reporting the second CSI includes: The second CSI is calculated and reported based at least in part on an assumption of interference that is based at least in part on reporting the first CSI.

5. The method according to claim 4, further comprising: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a spatial division multiplexing scheme; as well as The second CSI is calculated and reported based at least in part on determining that the second CSI reporting configuration is associated with a spatial division multiplexing scheme.

6. The method according to claim 3, wherein: Calculating the second CSI based at least in part on the assumption of the joint CSI reporting using the one or more CSI reference resources includes: The first CSI and the second CSI are reported using the same rank indicated in the first CSI reporting configuration.

7. The method according to claim 6, further comprising: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme; as well as The second CSI is calculated and reported based at least in part on determining that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme.

8. The method according to claim 1, wherein: Determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: Determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent is based at least in part on at least one of: a first indication in the first CSI reporting configuration for indicating that the second CSI reporting configuration is a reference to the first CSI reporting configuration, or a second indication in the second CSI reporting configuration for indicating that the first CSI reporting configuration is a reference of the second CSI reporting configuration.

9. The method according to claim 8, wherein: Calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on the assumption of the joint CSI reporting using the one or more CSI reference resources comprises at least one of the following operations: calculating the first CSI and the second CSI based at least in part on an assumption of physical downlink shared channel communication via the first CSI and the second CSI; or Do the following: calculating the first CSI based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the second CSI, and The second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

10. The method according to claim 9, further comprising: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a spatial division multiplexing scheme; as well as The second CSI is calculated and reported based at least in part on determining that the second CSI reporting configuration is associated with a spatial division multiplexing scheme.

11. The method according to claim 9, wherein: Calculating and reporting at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on the assumption of the joint CSI reporting using the one or more CSI reference resources comprises: calculating the first CSI and calculating and reporting the second CSI, wherein the first CSI and the second CSI have the same rank; and The first CSI and the second CSI are reported using the same rank indicated in the first CSI reporting configuration.

12. The method according to claim 11, further comprising: determining, based at least in part on an indication in the second CSI reporting configuration, that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme; as well as The second CSI is calculated and reported based at least in part on determining that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme.

13. The method according to claim 1, wherein: The first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), The second CSI includes a second CRI, wherein the first values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of independent transmission of the first CSI reporting configuration using a first CSI reference resource among the one or more CSI reference resources and the second CSI reporting configuration using a second CSI reference resource among the one or more CSI reference resources; and The second values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint CSI reporting using CSI reference resources associated with the first CSI reporting configuration and the second CSI reporting configuration among the one or more CSI reference resources.

14. The method according to claim 13, wherein: The first CRI and the second CRI have the same value.

15. The method according to claim 1, further comprising: An indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction is received, the CRI restriction configuring the UE to report only a subset of CRI values.

16. The method according to claim 1, wherein: The first CSI report and the second CSI report are triggered simultaneously.

17. The method according to claim 16, wherein: The first CSI report and the second CSI report are associated with the same triggering state.

18. The method according to claim 16, further comprising: receiving an indication in the second CSI reporting configuration; determining, based at least in part on the indication, that the second CSI reporting configuration is dependent on the first CSI reporting configuration; receiving an indication in downlink control information (DCI) triggering the second CSI report; as well as Based at least in part on the dependency of the second CSI reporting configuration on the first CSI reporting configuration and the indication in the DCI triggering the second CSI report, it is determined that both the first CSI report and the second CSI report are triggered.

19. The method according to claim 1, wherein: The first CSI report is triggered at the same time as or earlier than the second CSI report, wherein there is an offset less than or equal to a first threshold between a first DCI triggering the first CSI report and a second DCI triggering the second CSI report.

20. The method according to claim 19, wherein: The first threshold is fixed or based at least in part on capabilities of the UE and a report of the capabilities of the UE.

21. The method according to claim 19, wherein: A first CSI reference signal (CSI-RS) resource set measured for the first CSI report occurs or starts at the same time or earlier than a second CSI-RS resource set measured for the second CSI report, wherein there is an offset between the first CSI-RS resource set and the second CSI-RS resource set that is less than or equal to a second threshold.

22. The method according to claim 21, wherein: At least one of the first threshold or the second threshold is fixed, or At least one of the first threshold or the second threshold is based at least in part on capabilities of the UE and a report of the capabilities of the UE.

23. The method according to claim 19, wherein: The first CSI report and the second CSI report are sent in the same physical uplink control channel resource and are configured with the same slot offset.

24. The method of claim 1, further comprising: Determine whether the first CSI report and the second CSI report are periodic CSI reports or semi-persistent CSI reports, wherein a time slot offset between a transmission timing of the first CSI report and a transmission timing of the second CSI report is less than or equal to a threshold.

25. The method according to claim 24, wherein: The threshold may be fixed or based at least in part on UE capabilities.

26. The method according to claim 24, wherein: The periodicity of the first CSI report and the periodicity of the second CSI report are the same periodicity.

27. A method of wireless communication performed by a user equipment (UE), comprising: receiving an aggregate channel state information (CSI) reporting configuration, the aggregate CSI reporting configuration comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; as well as calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

28. The method according to claim 27, wherein: The first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), The second CSI includes a second CRI, and The values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint CSI reporting using the CSI reference resource.

29. The method according to claim 28, wherein: The first CRI and the second CRI have the same value.

30. The method of claim 27, further comprising: An indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction is received, the CRI restriction configuring the UE to report only a subset of CRI values.

31. The method of claim 27, wherein: The aggregate CSI reporting configuration indicates a rank indication pair restriction for the first CSI reporting configuration and the second CSI reporting configuration, and The rank indication pair restriction is used to indicate a combination of rank indications that are allowed to be included in a first CSI report associated with the first CSI reporting configuration and included in a second CSI report associated with the second CSI reporting configuration.

32. The method according to claim 31, wherein: The aggregated CSI reporting configuration also indicates a multiplexing scheme for the first CSI reporting configuration and the second CSI reporting configuration.

33. The method of claim 27, wherein: A multiplexing scheme of the first CSI reporting configuration and the second CSI reporting configuration is implicitly indicated by a rank indication pair restriction for the first CSI reporting configuration and the second CSI reporting configuration, and The multiplexing scheme is indicated as a time division multiplexing scheme or a frequency division multiplexing scheme based at least in part on a common rank restriction in the rank indication pair restriction.

34. The method of claim 27, wherein: Calculating the first CSI and the second CSI based at least in part on the assumption of the joint CSI reporting using the CSI reference resource comprises at least one of: calculating the first CSI and the second CSI based at least in part on an assumption of communication via a physical downlink shared channel of the first CSI and the second CSI; or Do the following: calculating the first CSI based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the second CSI, and The second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

35. The method of claim 27, wherein: Calculating and reporting at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on the assumption of the joint CSI reporting using the CSI reference resource comprises: The first CSI is calculated and reported and the second CSI is calculated and reported, wherein the first CSI and the second CSI have the same rank.

36. A method of wireless communication performed by a base station, comprising: sending a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as receiving at least one of first CSI in a first CSI report for the first CSI reporting configuration or second CSI in a second CSI report for the second CSI reporting configuration, wherein the at least one of the first CSI or the second CSI is calculated at least in part based on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

37. The method of claim 36, wherein: The dependency between the first CSI reporting configuration and the second CSI reporting configuration includes at least one of the following: the dependency of the second CSI reporting configuration on the first CSI reporting configuration, or A mutual dependency between the first CSI reporting configuration and the second CSI reporting configuration.

38. The method of claim 36, further comprising: sending, in the second CSI reporting configuration, an indication indicating that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration, and The determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: The second CSI reporting configuration is determined to be dependent on the first CSI reporting configuration based at least in part on the indication in the second CSI reporting configuration indicating that the first CSI reporting configuration is a reference CSI reporting configuration for the second CSI reporting configuration.

39. The method of claim 38, wherein: The second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

40. The method of claim 39, further comprising: sending, in the second CSI reporting configuration, an indication indicating that the second CSI reporting configuration is associated with a spatial division multiplexing scheme, The second CSI is calculated at least in part based on an indication indicating that the second CSI reporting configuration is associated with a spatial division multiplexing scheme.

41. The method of claim 38, further comprising: The second CSI having the same rank as the first CSI is received.

42. The method of claim 39, further comprising: sending, in the second CSI reporting configuration, an indication indicating that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme, The second CSI is calculated at least in part based on an indication indicating that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme.

43. The method of claim 36, wherein: Determining the dependency between the first CSI reporting configuration and the second CSI reporting configuration includes: Determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent is based at least in part on at least one of: sending, in the first CSI reporting configuration, a first indication for indicating that the second CSI reporting configuration is a reference to the first CSI reporting configuration; or A second indication for indicating that the first CSI reporting configuration is a reference of the second CSI reporting configuration is sent in the second CSI reporting configuration.

44. The method of claim 43, wherein: The first CSI and the second CSI are calculated at least in part based on an assumption of physical downlink shared channel communication via the first CSI and the second CSI, or in: The first CSI is calculated based at least in part on an assumption of interference, the assumption of interference is based at least in part on reporting the second CSI, and The second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

45. The method of claim 44, further comprising: sending, in the second CSI reporting configuration, an indication indicating that the second CSI reporting configuration is associated with a spatial division multiplexing scheme, The second CSI is calculated at least in part based on an indication indicating that the second CSI reporting configuration is associated with a spatial division multiplexing scheme.

46. ​​The method of claim 44, further comprising: The second CSI having the same rank as the first CSI is received.

47. The method of claim 46, further comprising: sending, in the second CSI reporting configuration, an indication indicating that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme, The second CSI is calculated at least in part based on an indication indicating that the second CSI reporting configuration is associated with a frequency division multiplexing scheme or a time division multiplexing scheme.

48. The method of claim 36, wherein: The first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), The second CSI includes a second CRI, wherein the first values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of independent transmission of the first CSI reporting configuration using a first CSI reference resource among the one or more CSI reference resources and the second CSI reporting configuration using a second CSI reference resource among the one or more CSI reference resources; and The second values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint CSI reporting using CSI reference resources associated with the first CSI reporting configuration and the second CSI reporting configuration among the one or more CSI reference resources.

49. The method of claim 48, wherein: The first CRI and the second CRI have the same value.

50. The method of claim 36, further comprising: An indication of a CSI reference signal (CSI-RS) resource indicator (CRI) restriction is sent, wherein the CRI restriction configures a user equipment (UE) to report only a subset of CRI values.

51. The method of claim 36, further comprising: Sending downlink signaling, wherein the downlink signaling triggers the first CSI report and the second CSI report simultaneously.

52. The method of claim 51 further comprising: Sending a configuration that the first CSI report configuration and the second CSI report configuration are in the same trigger state; as well as The downlink signaling is sent to trigger the triggering state for the first CSI reporting configuration and the second CSI reporting configuration.

53. The method of claim 51 further comprising: sending an indication in the second CSI reporting configuration; determining, based at least in part on the indication, that the second CSI reporting configuration is dependent on the first CSI reporting configuration; sending an indication triggering the second CSI report in downlink control information (DCI); as well as Based at least in part on the dependency of the second CSI reporting configuration on the first CSI reporting configuration and the indication in the DCI triggering the second CSI report, it is determined that both the first CSI report and the second CSI report are triggered.

54. The method of claim 36, further comprising: triggering the first CSI report at a first time; as well as triggering the second CSI report at a second time, wherein the first time is the same as the second time, or The first time is earlier than the second time by an offset less than or equal to a first threshold.

55. The method of claim 54, further comprising: determining the first threshold based at least in part on reported capabilities of a user equipment (UE), or The first threshold is determined based at least in part on a fixed value that is independent of capabilities of the UE.

56. The method of claim 54, further comprising: sending a first CSI-RS to be measured for the first CSI report at a third time; sending a second CSI-RS to be measured for the second CSI report at a fourth time, wherein the third time is the same as the fourth time, or The third time is earlier than the fourth time by an amount less than or equal to an offset of a second threshold.

57. The method of claim 56, further comprising: determining at least one of the first threshold or the second threshold based at least in part on reported capabilities of a user equipment (UE), or At least one of the first threshold or the second threshold is determined based at least in part on a fixed value that is independent of capabilities of the UE.

58. The method of claim 54, further comprising: A user equipment (UE) is configured or scheduled to send the first CSI report and the second CSI report in the same physical uplink control channel with the same slot offset.

59. The method of claim 36, further comprising: configuring the first CSI report and the second CSI report as periodic CSI reports or semi-persistent CSI reports, The time slot offset between the transmission timing of the first CSI report and the transmission timing of the second CSI report is less than or equal to a threshold.

60. The method of claim 59, further comprising: determining the threshold based at least in part on reported capabilities of a user equipment (UE), or The threshold is determined based at least in part on a fixed value that is independent of capabilities of the UE.

61. The method of claim 59, further comprising: The first CSI report and the second CSI report are configured to have the same period.

62. A method of wireless communication performed by a base station, comprising: determining that a first channel state information (CSI) reporting configuration and a second CSI reporting configuration are interdependent; sending an aggregate CSI reporting configuration, where the aggregate CSI reporting configuration includes at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; as well as receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

63. The method of claim 62, wherein: The first CSI includes a first CSI reference signal (CSI-RS) resource indicator (CRI), The second CSI includes a second CRI, and The values ​​of the first CRI and the second CRI indicate that the first CSI and the second CSI are calculated at least in part based on an assumption of joint CSI reporting using the CSI reference resource.

64. The method of claim 63, wherein: The first CRI and the second CRI have the same value.

65. The method of claim 62, further comprising: An indication of a CSI Reference Signal (CSI-RS) Resource Indicator (CRI) restriction is sent, the CRI restriction configuring the user equipment to report only a subset of CRI values.

66. The method of claim 62, further comprising: sending a rank indication pair restriction for the first CSI reporting configuration and the second CSI reporting configuration, The rank indication pair restriction is used to indicate a combination of rank indications that are allowed to be included in a first CSI report associated with the first CSI reporting configuration and included in a second CSI report associated with the second CSI reporting configuration.

67. The method of claim 62, further comprising: Sending an indication for indicating a multiplexing scheme for the first CSI reporting configuration and the second CSI reporting configuration.

68. The method of claim 62, further comprising: A rank indication pair restriction indication is sent, the rank indication pair restriction indication jointly indicating a rank indication pair restriction and a multiplexing scheme for the first CSI reporting configuration and the second CSI reporting configuration.

69. The method of claim 62, wherein: The first CSI and the second CSI are calculated at least in part based on an assumption of physical downlink shared channel communication via the first CSI and the second CSI, or in: The first CSI is calculated based at least in part on an assumption of interference, the assumption of interference is based at least in part on reporting the second CSI, and The second CSI is calculated based at least in part on an assumption of interference, the assumption of interference being based at least in part on reporting the first CSI.

70. The method of claim 62, further comprising: The second CSI having the same rank as the first CSI is received.

71. A user equipment (UE) for wireless communication, comprising: Memory; as well as one or more processors operatively coupled to the memory, the memory and the one or more processors being configured to: receiving a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

72. A user equipment (UE) for wireless communication, comprising: Memory; as well as one or more processors operatively coupled to the memory, the memory and the one or more processors being configured to: receiving an aggregate channel state information (CSI) reporting configuration, the aggregate CSI reporting configuration comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; as well as calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

73. A base station for wireless communication, comprising: Memory; as well as one or more processors operatively coupled to the memory, the memory and the one or more processors being configured to: sending a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as receiving at least one of first CSI in a first CSI report for the first CSI reporting configuration or second CSI in a second CSI report for the second CSI reporting configuration, wherein the at least one of the first CSI or the second CSI is calculated at least in part based on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

74. A base station for wireless communication, comprising: Memory; as well as one or more processors operatively coupled to the memory, the memory and the one or more processors being configured to: determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; sending an aggregate channel state information (CSI) reporting configuration, the aggregate CSI reporting configuration comprising at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; as well as receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

75. A non-transitory computer readable medium storing one or more instructions for wireless communication, the one or more instructions comprising: One or more instructions that, when executed by one or more processors of a user equipment (UE), cause the one or more processors to: receiving a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

76. A non-transitory computer readable medium storing one or more instructions for wireless communication, the one or more instructions comprising: One or more instructions that, when executed by one or more processors of a user equipment (UE), cause the one or more processors to: receiving an aggregate channel state information (CSI) reporting configuration, the aggregate CSI reporting configuration comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; determining that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; as well as calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

77. A non-transitory computer readable medium storing one or more instructions for wireless communication, the one or more instructions comprising: One or more instructions that, when executed by one or more processors of a base station, cause the one or more processors to: sending a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; determining a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as receiving at least one of first CSI in a first CSI report for the first CSI reporting configuration or second CSI in a second CSI report for the second CSI reporting configuration, wherein the at least one of the first CSI or the second CSI is calculated at least in part based on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

78. A non-transitory computer readable medium storing one or more instructions for wireless communication, the one or more instructions comprising: One or more instructions that, when executed by one or more processors of a base station, cause the one or more processors to: determining that a first channel state information (CSI) reporting configuration and a second CSI reporting configuration are interdependent; sending an aggregate CSI reporting configuration, where the aggregate CSI reporting configuration includes at least the first CSI reporting configuration and the second CSI reporting configuration associated with a CSI reference resource; as well as receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

79. An apparatus for wireless communication, comprising: means for receiving a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; a unit configured to determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as means for calculating at least one of a first CSI for the first CSI reporting configuration or a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the determination of the dependency; means for reporting at least one of the first CSI in a first CSI report or the second CSI in a second CSI report, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

80. An apparatus for wireless communication, comprising: means for receiving an aggregate channel state information (CSI) reporting configuration, the aggregate CSI reporting configuration comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with a CSI reference resource; A unit configured to determine that the first CSI reporting configuration and the second CSI reporting configuration are interdependent; as well as means for calculating a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

81. An apparatus for wireless communication, comprising: means for sending a plurality of channel state information (CSI) reporting configurations, the plurality of CSI reporting configurations comprising at least a first CSI reporting configuration and a second CSI reporting configuration associated with one or more CSI reference resources; a unit configured to determine a dependency between the first CSI reporting configuration and the second CSI reporting configuration; as well as means for receiving at least one of first CSI for the first CSI reporting configuration in a first CSI report or second CSI for the second CSI reporting configuration in a second CSI report, wherein the at least one of the first CSI or the second CSI is calculated based at least in part on an assumption of joint CSI reporting using the one or more CSI reference resources, wherein the assumption is based at least in part on the dependency, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

82. An apparatus for wireless communication, comprising: means for determining that a first channel state information (CSI) reporting configuration and a second CSI reporting configuration are interdependent; a unit for sending an aggregate CSI report configuration, the aggregate CSI report configuration comprising at least the first CSI report configuration and the second CSI report configuration associated with a CSI reference resource; as well as means for receiving at least one of a first CSI for the first CSI reporting configuration and a second CSI for the second CSI reporting configuration based at least in part on an assumption of joint CSI reporting using the CSI reference resource, wherein the assumption is based at least in part on including the first CSI reporting configuration and the second CSI reporting configuration in the aggregated CSI reporting configuration and the determination that the first CSI reporting configuration and the second CSI reporting configuration are interdependent, The calculation of the second CSI is also based on the assumption that the first CSI report and the second CSI report will be sent using the same rank indicated in the first CSI report configuration.

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