Techniques for cross-link interference reporting in wireless communications

Abstract

Aspects described herein relate to receiving a configuration for cross-link interference (CLI) measurement reporting, where the configuration includes, for each of one or more component carriers, one or more parameters for measuring a signal on the component carrier and a resource setting indicating resources of the component carrier on which to measure the signal. One or more measurement results of the signal received on the resources indicated by the resource setting for the component carrier can be measured based at least in part on the one or more parameters and reported to a base station.

Description

TECHNICAL FIELD

[0001] Aspects of the present disclosure relate generally to wireless communication systems, and more particularly, to performing Cross Link Interference (CLI) reporting. BACKGROUND

[0002] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems can be multiple-access systems capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power). Examples of such multiple-access systems 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, and Single-Carrier FDMA (SC-FDMA) systems.

[0003] These multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different wireless devices to communicate on a municipal, national, regional, and even global level. For example, a fifth generation (5G) wireless communication technology (which can be referred to as 5G New Radio (5G NR)) is envisaged to expand and support diverse usage scenarios and applications falling under the umbrella of

[0004] In NR, a base station can configure a user equipment (UE) to measure a CLI caused by uplink transmissions of other UEs on downlink resources, where the measurement and reporting can be in layer 3 (e.g., a radio link control (RLC) layer). The layer 3 measurement can correspond to a sounding reference signal (SRS) reference signal received power (RSRP) based on configured SRS measurement resources, or a CLI received signal strength indicator (RSSI) based on configured CLI RSSI measurement resources. Based on the reported CLI measurements, the base station or other network components can know how UEs interfere with each other in their uplink / downlink transmission directions, and can schedule the UEs accordingly to avoid CLI. SUMMARY

[0005] The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

[0006] According to one aspect, a method of wireless communication is provided. The method includes receiving, from a base station, a configuration for a cross-link interference (CLI) measurement report. The configuration includes, for each of one or more component carriers, an identifier of the component carrier, one or more parameters for measuring a signal on the component carrier, and a resource setting indicating resources of the component carrier on which to measure the signal. The method includes measuring, based at least in part on the one or more parameters, one or more measurement results of the signal received on the resources indicated by the resource setting for the component carrier, and reporting, to the base station, the one or more measurement results based on the configuration and the measurement of the signal.

[0007] According to another aspect, a method of wireless communication is provided. The method includes transmitting, to a user equipment (UE), a configuration for a cross-link interference (CLI) measurement report. The configuration includes, for each component carrier of one or more component carriers, an identifier of the component carrier, one or more parameters for measuring a signal on the component carrier, and a resource setting indicating resources of the component carrier on which to measure the signal. The method further includes receiving, from the UE, one or more measurement results of the signal received on the resources indicated by the resource setting for the component carrier based at least in part on the one or more parameters.

[0008] In another example, an apparatus for wireless communication is provided that includes a transceiver, a memory configured to store instructions, and one or more processors communicatively coupled with the transceiver and the memory. The one or more processors are configured to execute the instructions to perform the operations of the method described herein. In another aspect, an apparatus for wireless communication is provided that includes means for performing the operations of the method described herein. In yet another aspect, a computer readable medium is provided including code executable by one or more processors to perform the operations of the method described herein.

[0009] To the accomplishment of the foregoing and related aspects, one or more aspects comprise the features as fully described in the following description and associated drawings that follow, wherein: BRIEF DESCRIPTION OF DRAWINGS

[0010] The disclosed aspects will hereinafter be described in conjunction with the appended drawings, provided to illustrate and not to limit the disclosed aspects, wherein like designations denote like elements, and in which:

[0011] Figure 1 An example of a wireless communication system is shown in accordance with various aspects of the disclosure;

[0012] Figure 2 A block diagram illustrating an example of a UE in accordance with various aspects of the disclosure;

[0013] Figure 3 A block diagram illustrating an example of a base station in accordance with various aspects of the disclosure;

[0014] Figure 4 A flow diagram illustrating an example of a method for performing and reporting cross-link interference (CLI) measurements in accordance with various aspects of the disclosure;

[0015] Figure 5is a flowchart illustrating an example of a method for configuring devices to perform and report CLI measurements, in accordance with various aspects of the present disclosure;

[0016] Figure 6 is shown an example of a configuration structure for configuring devices to perform and report CLI measurements, in accordance with various aspects of the present disclosure; and

[0017] Figure 7 is a block diagram illustrating an example of a MIMO communication system including a base station and UEs, in accordance with various aspects of the present disclosure. DETAILED DESCRIPTION

[0018] Various aspects are now described with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding. It will be apparent, however, that aspects can be practiced without these specific details.

[0019] The described features generally relate to Layer 1 (e.g., physical (PHY) layer) measurement and reporting of cross-link interference (CLI), which can be more flexible, more efficient, and less complex than Layer 3 measurement and reporting of CLI. For example, a UE can be configured to measure CLI (UE-to-UE interference) caused by uplink transmissions from another UE on downlink resources configured for receiving communications from a base station. The base station or other network node can configure the UE to measure in its downlink the uplink transmissions from another UE. This allows a victim UE to measure and report CLI from one or more aggressor UEs without needing to know the Time Division Duplexing (TDD) uplink (UL) downlink (DL) configuration or sounding reference signal (SRS) configuration of the aggressor UE(s). In this regard, for example, the network can configure the CLI measurement of the victim UE to match the TDD UL DL configuration or SRS configuration of the aggressor UE(s), so the victim UE receives and can measure the signals transmitted by the aggressor UE(s). Moreover, configuring CLI measurement and reporting can allow the network to know how the UEs interfere with each other, e.g., whether their UL / DL transmission directions collide due to flexible (different) Time Division Duplexing (TDD) uplink (UL) downlink (DL) configurations for the UEs.

[0020] In some radio access technologies, such as Fifth Generation (5G) New Radio (NR), 3rd layer (e.g., Radio Link Control (RLC) layer) CLI measurement and reporting is supported, which can include measurement metrics of SRS Reference Signal Received Power (RSRP) or CLI Received Signal Strength Indicator (RSSI). SRS-RSRP can be a linear average of power contributions of SRS measured on configured resource elements within a considered measurement frequency bandwidth in time resources of configured measurement occasions. CLI-RSSI can be a linear average of total received power observed on configured resource elements for UE measurement in certain Orthogonal Frequency Division Multiplexing (OFDM) symbols of measurement time resource(s) in the measurement bandwidth. In some cases, due to dynamic TDD configuration of an aggressor UE, 3rd layer measurement and reporting can not be flexible or efficient enough for measuring dynamic CLI.

[0021] Aspects described herein are directed to providing 1st layer (e.g., PHY layer) CLI measurement and reporting in order to improve at least flexibility and efficiency for measuring dynamic CLI even in the case of dynamic TDD configuration of an aggressor UE. In some examples, a UE can be provided with higher layer configuration of one or more CLI reporting settings, each of which can be associated with one or more CLI resource settings. A CLI reporting setting can include one or more parameters related to measuring and reporting a CLI, and a CLI resource setting can indicate resources (e.g., non-zero power resources and / or zero power resources of aggressor UE(s)) on which a measured CLI can be reported. In an example, a base station can provide a UE with a configuration for performing CLI measurement and reporting. In an example, other configured 1st layer reporting can be reused to facilitate CLI measurement reporting. For example, Channel State Information (CSI) reporting can be used to report a measured CLI, which can be based on a new reporting quantity specified for CSI reporting. In this example, priority rules and / or CSI Processing Unit (CPU) limitations can be specified with respect to reporting a CLI and CSI.

[0022] Reference will be made to the following drawings Figures 1-6 The described features are presented in more detail.

[0023] As used in this application, the terms "component," "module," "system" and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, software, or software in execution. For example, a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and / or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and / or thread of execution and a component can be localized, co-resident, and / or distributed amongst one computer and / or

[0024] The techniques described herein can be used for various wireless communication systems such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA and other systems. The terms "system" and "network" are often used interchangeably. A CDMA system can implement a radio technology such as CDMA2000, Universal Terrestrial Radio Access (UTRA), etc. CDMA2000 covers IS-2000, IS-95 and IS-856 standards. IS-2000 Versions 0 and A are commonly referred to as CDMA2000 IX, IX-EV, etc. IS-856 (TIA-856) is commonly referred to as CDMA2000 lxEV-DO, High Rate Packet Data (HRPD), etc. UTRA includes Wideband CDMA (WCDMA) and other variants of CDMA. A TDMA system can implement a radio technology such as Global System for Mobile Communications (GSM). An OFDMA system can implement a radio technology such as Ultra Mobile Broadband (UMB), Evolved UTRA (E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are part of Universal Mobile Telecommunication System (UMTS). 3GPP Long Term Evolution (LTE) is a release of UMTS that uses E-UTRA. UTRA, E-UTRA, UMTS, LTE and GSM are described in documents from an organization named "3rd Generation Partnership Project" (3GPP). CDMA2000 IX, IX-EV, and HRPD are described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2). 4G LTE (also referred to as LTE Advanced) is a release of LTE that uses E-UTRA and incorporates other enhancements. TMRadio Access Technologies. UTRA and E-UTRA are part of Universal Mobile Telecommunication System (UMTS). 3GPP Long Term Evolution (LTE) and LTE-Advanced (LTE-A) are new releases of UMTS that use E-UTRA. UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named “3rd Generation Partnership Project” (3GPP). CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2” (3GPP2). The techniques described herein can be used for the systems and radio technologies mentioned above as well as other systems and radio technologies, including cellular (e.g., LTE) communications over a shared radio frequency spectrum band. The description below, however, describes LTE / LTE-A systems for purposes of example, and the techniques described herein can be used for LTE / LTE-A applications as well as other network technologies including 5th Generation (5G) New Radio (NR) networks or other next generation communication systems.

[0025] The following description provides examples, and is not limiting of the scope, applicability, or examples set forth in the claims. Changes can be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples can omit, substitute, or add various procedures or components as appropriate. For instance, the methods described can be performed in an order different from that described, and various steps can be added, omitted, or combined. Also, features described with respect to some examples can be combined in other examples.

[0026] Various aspects or features will be presented in terms of systems that can include a number of devices, components, modules, and the like. It is to be understood and appreciated that the various systems can include additional devices, components, modules, etc. and / or can not include all of the devices, components, modules etc.

[0027] Figure 1is a diagram illustrating an example of a wireless communications system and an access network 100. The wireless communications system (also referred to as a wireless wide area network (WW AN)) can include base stations 102, UEs 104, an Evolved Packet Core (EPC) 160, and / or a 5G Core (5GC) 190. The base stations 102 can include macro cells (high power cellular base stations) and / or small cells (low power cellular base stations). The macro cells can include base stations. The small cells can include femtocells, picocells, and microcells. In an example, the base stations 102 can also include gNBs 180, as described further herein. In an example, some nodes of the wireless communications system can have a modem 240 and a communication component 242 for performing Layer 1 CLI measurements, in accordance with aspects described herein. Further, some nodes can have a modem 340 and a configuration component 342 for configuring a device to perform Layer 1 CLI measurements, in accordance with aspects described herein. Although the UEs 104 are shown with a modem 240 and a communication component 242, and the base stations 102 / gNBs 180 are shown with a modem 340 and a configuration component 342, this is one illustrative example, and substantially any node or node type can include a modem 240 and a communication component 242 and / or a modem 340 and a configuration component 342 for providing corresponding functionality described herein.

[0028] Base stations 102 configured for 4G LTE (which can collectively be referred to as Evolved UMTS Terrestrial Radio Access Network (E-UTRAN)) can interface with the EPC 160 through backhaul links 132 (e.g., using an SI interface). Base stations 102 configured for 5G R (which can collectively be referred to as Next Generation RAN (NG-RAN)) can interface with 5GC 190 through backhaul links 184. In addition to other functions, the base stations 102 can perform one or more of the following functions: transfer of user data, radio channel ciphering and deciphering, integrity protection, header compression, mobility control functions (e.g., handover, dual connectivity), inter-cell interference coordination, connection setup and release, load balancing, distribution for non-access stratum (NAS) messages, NAS node selection, synchronization, radio access network (RAN) sharing, multimedia broadcast multicast service (MBMS), subscriber and equipment trace, RAN information management (RIM), paging, positioning, and delivery of warning messages. The base stations 102 can communicate directly or indirectly (e.g., through the EPC 160 or 5GC 190) with each other over backhaul links 134 (e.g., using an X2 interface). The backhaul links 134 can be wired or wireless.

[0029] The base stations 102 can wirelessly communicate with one or more UEs 104. Each of the base stations 102 can provide communication coverage for a respective geographic coverage area 110. There can be overlapping geographic coverage areas 110. For example, a small cell 102' can have a coverage area 110' that overlaps with one or more macrocells 102. A network that includes both small and macro cells can be known as a heterogeneous network. A heterogeneous network can also include Home Evolved Node Bs (eNBs) (HeNBs), which can provide service to a restricted group, such as a group of subscribers. A HeNB and / or its coverage area can be used to implement a closed subscriber group (CSG). The communication links 120 between the base stations 102 and the UEs 104 can include uplink (UL) (also referred to as reverse link) transmissions from a UE 104 to a base station 102 and / or downlink (DL) (also referred to as forward link) transmissions from a base station 102 to a UE 104. The communication links 120 can use multiple-input and multiple-output (MIMO) antenna technology, including spatial multiplexing, beamforming, and / or transmit diversity. The communication links can be through one or more carriers, and each carrier can be a band of frequency waves having a corresponding carrier bandwidth. The communication links can be downlink only, uplink only, or bidirectional carrying both downlink and uplink communications. Each base station 102 / UE 104 can use spectrum up to Y MHz (e.g., 5, 10, 15, 20, 100, 400, etc. MHz) bandwidth per carrier allocated in a carrier aggregation for a total of Yx MHz (e.g., for x component carriers) used for transmission in the DL and / or the UL direction. The carriers can or can not be adjacent to each other. The allocation of carriers can be asymmetric with respect to DL and UL (e.g., more or less carriers can be allocated for DL than for UL). The component carriers can include a primary component carrier and one or more secondary component carriers. A primary component carrier can be referred to as a primary cell (PCell) and a secondary component carrier can be referred to as a secondary cell (SCell).

[0030] In another example, certain UEs 104 can communicate with each other using Device-to-Device (D2D) communication link 158. The D2D communication link 158 can use the DL / UL WWAN spectrum. The D2D communication link 158 can use one or more sidelink channels, such as a Physical Sidelink Broadcast Channel (PSBCH), a Physical Sidelink Discovery Channel (PSDCH), a Physical Sidelink Shared Channel (PSSCH), and a Physical Sidelink Control Channel (PSCCH). D2D communication can be through a variety of wireless D2D communications systems, such as for example, FlashLinQ, WiMedia, Bluetooth, ZigBee, Wi-Fi based on the IEEE 802.11 standard, LTE, or NR.

[0031] The wireless communications system can also include a Wi-Fi Access Point (AP) 150 in communication with Wi-Fi stations (STAs) 152 via communication links 154 in a 5 GHz unlicensed frequency spectrum. When communicating in an unlicensed frequency spectrum, the STAs 152 / AP 150 can perform a clear channel assessment (CCA) prior to communicating in order to determine whether the channel is available.

[0032] The small cells 102' can operate in a licensed and / or an unlicensed spectrum. When operating in an unlicensed spectrum, the small cells 102' can employ NR and use the same 5 GHz unlicensed spectrum as used by the Wi-Fi AP 150. The small cells 102' employing NR in an unlicensed spectrum can improve access network coverage and / or increase access network capacity.

[0033] The base stations 102, whether small cell 102' or large cell (e.g., macro base station), can include an eNB, gNodeB (gNB), or other type of base station. Some base stations, such as gNB 180 can communicate with the UEs 104 in the millimeter wave (mmW) frequencies and / or near mmW frequencies. When the gNB 180 operates in mmW or near mmW frequencies, it can be referred to as an mmW base station. Extremely high frequency (EHF) is part of the RF in the electromagnetic spectrum. EHF has a range of 30 GHz to 300 GHz and a wavelength between 1 millimeter and 10 millimeters. Radio waves in the band can be referred to as a millimeter wave. Near mmW can extend down to frequencies with wavelengths of 100 millimeters, 3 GHz. The super high frequency (SHF) band extends between 3 GHz and 30 GHz, also known as centimeter wave. Communications using the mmW / near mmW radio frequency band have extremely high path loss and a short range. The mmW base station 180 can utilize beamforming 182 with the UE 104 to compensate for the extremely high path loss and short range. The base station 102 referred to herein can include a gNB 180.

[0034] The EPC 160 can include a Mobility Management Entity (MME) 162, other MMEs 164, a Serving Gateway 166, a Multimedia Broadcast Multicast Service (MBMS) Gateway 168, a Broadcast Multicast Service Center (BM-SC) 170, and a Packet Data Network (PDN) Gateway 172. The MME 162 can be in communication with a Home Subscriber Server (HSS) 174. The MME 162 is the control node that processes the signaling between the UEs 104 and the EPC 160. Generally, the MME 162 provides bearer and connection management. All user Internet Protocol (IP) packets are transferred through the Serving Gateway 166, which itself is connected to the PDN Gateway 172. The PDN Gateway 172 provides UE IP address allocation as well as other functions. The PDN Gateway 172 and the BM-SC 170 are connected to the IP Services 176. The IP Services 176 can include the Internet, an intranet, an IP Multimedia Subsystem (IMS), a PS Streaming Service, and / or other IP services. The BM-SC 170 can provide functions for MBMS user service provisioning and delivery. The BM-SC 170 can serve as an entry point for content provider MBMS transmissions, can be used to authorize and initiate MBMS Bearer Services, and can be used to schedule MBMS transmissions. The MBMS Gateway 168 can be used to

[0035] The 5GC 190 can include an Access and Mobility Management Function (AMF) 192, other AMFs 193, a Session Management Function (SMF) 194, and a User Plane Function (UPF) 195. The AMF 192 can be in communication with a Unified Data Management (UDM) 196. The AMF 192 can be a control node that handles signaling between the UEs 104 and the 5GC 190. Generally, the AMF 192 can provide QoS flow and session management. User Internet Protocol (IP) packets (e.g., from one or more UEs 104) can be transferred through the UPF 195. The UPF 195 can provide UE IP address allocation as well as other functions. The UPF 195 can be connected to the IP Services 197. The IP Services 197 can include the Internet, an intranet, an IP Multimedia Subsystem (IMS), a PS streaming service, and / or other IP services.

[0036] A base station can also be referred to as a gNB, Node B, evolved Node B (eNB), an access point, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a Transmit Reception Point (TRP), or some other suitable terminology. A base station 102 provides an access point to the EPC 160 or 5GC 190 for a UE 104. Examples of UEs 104 include a cellular phone, a smart phone, a session initiation protocol (SIP) phone, a laptop, a personal digital assistant (PDA), a satellite radio, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, a tablet, a smart device, a wearable device, a vehicle, an electric meter, a gas pump, a large or small kitch

[0037] In an example, the configuration component 342 of the base station 102 can configure one or more UEs 104 to perform Layer 1 CLI measurement and reporting, which can include transmitting a higher layer configuration indicating reporting settings and resource settings for each of one or more component carriers (CCs). The communication component 242 of the UE can receive the configuration and can accordingly perform CLI measurements of other UEs based on the reporting settings and resource settings for a given CC. In an example, the communication component 242 can use an indication of a CSI configuration to determine the reporting settings and / or resource settings. In any case, the communication component 242 can report the CLI measurements to the base station 102, which can use the CLI measurements to assign communication resources to the UE 104 and / or other UEs for which the CLI was measured.

[0038] Turning now to the drawings, where like numbers on different drawings represent the same or Figures 2-6 functionally similar components, aspects are depicted by the figures and discussed in the detailed description herein. Some aspects can be implemented as a computer- implemented process, method, apparatus, or device. According to a computer-implemented process, some or all of the procedures can be performed by the computer Figures 4-5 implemented process, method, apparatus, or device. In one or more aspects, the functions described can be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions can be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media include computer-readable storage media. A computer-readable storage medium can be any available medium or

[0039] With reference to Figure 2 , one example of an implementation of the UE 104 can include a variety of components, some of which have already been described above and are not re-described here, including components such as one or more processors 212 and memory 216 and transceiver 202 in communication via one or more buses 244, which can work in conjunction with modem 240 and / or communication component 242 to perform Layer 1 CLI measurements in accordance with aspects described herein.

[0040] In one aspect, the one or more processors 212 can include the modem 240 and / or can be part of the modem 240 that uses one or more modem processors. Thus, various functions associated with communication component 242 can be included in the modem 240 and / or processor(s) 212 and, in one aspect, can be executed by a single processor, while in other aspects, different ones of the functions can be executed by a combination of two or more different processors. For example, in one aspect, the one or more processors 212 can include any one or any combination of a modem processor, or baseband processor, or a digital signal processor, or a transmit processor, or a receiver processor, or a transceiver processor associated with the transceiver 202. In other aspects, some of the features of the one or more processors 212 and / or modem 240 associated with the communication component 242 can be performed by the transceiver 202.

[0041] Further, the memory 216 can be configured to store data used by at least one of the processors 212 or local versions of applications 275 or communication component 242 and / or one or more of its subcomponents executed by at least one of the processors 212, used in making adjustments to the transmission power of the UE 104. The memory 216 can include any type of computer-readable medium usable by a computer or the at least one processor 212, such as random access memory (RAM), read only memory (ROM), tapes, magnetic discs, optical discs, volatile memory, non-volatile memory, and any combination thereof. In one aspect, for example, when the UE 104 is operating at least one of the processors 212 to execute the communication component 242 and / or one or more of its subcomponents, the memory 216 can be a non-transitory computer-readable storage medium that stores one or more computer-executable codes defining the communication component 242 and / or one or more of its subcomponents, and / or data associated therewith.

[0042] The transceiver 202 can include at least one receiver 206 and at least one transmitter 208. The receiver 206 can include hardware, firmware, and / or software code executable by a processor for receiving data, the code including instructions for receiving and being stored in memory (e.g., computer-readable medium). The receiver 206 can be, for example, a Radio Frequency (RF) receiver. In an aspect, the receiver 206 can receive signals transmitted by at least one base station 102. Additionally, the receiver 206 can process such received signals, and also can obtain measurements of the signals, such as, but not limited to, Ec / Io, Signal-to-Noise Ratio (SNR), Reference Signal Received Power (RSRP), Received Signal Strength Indicators (RSSIs), etc. The transmitter 208 can include hardware, firmware, and / or software code executable by a processor for transmitting data, the code including instructions for transmitting and being stored in memory (e.g., computer-readable medium). A suitable example of the transmitter 208 can including, but not limited to, an RF transmitter.

[0043] Further, in an aspect, the UE 104 can include a RF front end 288, which can communicate with the one or more antennas 265 and the transceiver 202 to receive and transmit radio transmissions, for example, wireless communications transmitted by the at least one base station 102 or wireless transmissions transmitted by the UE 104. The RF front end 288 can be connected to the one or more antennas 265 and can include one or more low-noise amplifiers (LNAs) 290, one or more switches 292, one or more power amplifiers (PAs) 298, and one or more filters 296 for transmitting and receiving RF signals.

[0044] In an aspect, the LNA 290 can amplify a received signal at a desired output level. In an aspect, each LNA 290 can have specified minimum and maximum gain values. In an aspect, the RF front end 288 can use one or more switches 292 to select a particular LNA 290 and its specified gain value based on a desired gain value for a particular application.

[0045] Further, for example, one or more PA 298 can be used by the RF front end 288 to amplify a signal for an RF output at a desired output power level. In an aspect, each PA 298 can have specified minimum and maximum gain values. In an aspect, the RF front end 288 can use one or more switches 292 to select a particular PA 298 and its specified gain value based on a desired gain value for a particular application.

[0046] Additionally, for example, one or more filters 296 can be used by the RF front end 288 to filter received signals to obtain input RF signals. Similarly, in an aspect, for example, a respective filter 296 can be used to filter an output from a respective PA 298 to produce an output signal for transmission. In an aspect, each filter 296 can be connected to a specific LNA 290 and / or PA 298. In an aspect, based on a configuration specified by the transceiver 202 and / or the processor 212, the RF front end 288 can use one or more switches 292 to select a transmit or receive path using the specified filter 296, LNA 290, and / or PA 298.

[0047] As such, the transceiver 202 can be configured to transmit and receive wireless signals via the RF front end 288 through one or more antennas 265. In an aspect, the transceiver can be tuned to operate at specified frequencies, such that the UE 104 can communicate with, for example, one or more base stations 102 or one or more cells associated with one or more base stations 102. For example, in an aspect, the modem 240 can configure the transceiver 202 to operate at a specified frequency and power level based on a UE configuration of the UE 104 and the communication protocol used by the modem 240.

[0048] In an aspect, the modem 240 can be a multi-band, multi-mode modem that can process digital data and communicate with the transceiver 202 such that the digital data is transmitted and received using the transceiver 202. In an aspect, the modem 240 can be multi-band and configured to support multiple frequency bands for a particular communication protocol. In an aspect, the modem 240 can be multi-mode and configured to support multiple operating networks and communication protocols. In an aspect, the modem 240 can control one or more components of the UE 104 (e.g., the RF front end 288, the transceiver 202) to enable transmission and / or reception of signals from a network based on a specified modem configuration. In an aspect, the modem configuration can be based on the mode of the modem and the frequency band in use. In another aspect, the modem configuration can be based on UE configuration information associated with the UE 104 provided by the network during cell selection and / or cell reselection.

[0049] In an aspect, the communication component(s) 242 can optionally include a CLI component 252 for performing CLI measurements and reporting based on a received CLI reporting setting and / or corresponding CLI resource setting in a configuration, in accordance with aspects described herein.

[0050] In an aspect, the processor(s) 212 can correspond to the processor(s) 812 described in connection with Figure 6one or more processors described in connection with the UE in FIG. 13. Similarly, the memory 216 can correspond to the memory described in connection with the UE in FIG. 13. Figure 6

[0051] Referring to FIG. 13, in accordance with aspects described herein, one example of an implementation of a UE 104 (e.g., the UE 104 described above) can include a variety of components, some of which have already been described above in connection with FIG. 1. In this example, the UE 104 includes the processor 212, the memory 216, the modem 240, the transceiver 202, and the one or more antennas 365, which each can be in communication with one another. Figure 3

[0052] As described above, the transceiver 302, the receiver 306, the transmitter 308, the one or more processors 312, the memory 316, the applications 375, the bus 344, the RF front end 388, the LNAs 390, the switches 392, the filters 396, the PAs 398, and the one or more antennas 365 can be the same as or similar to corresponding components of a UE 104, but configured or programmed for base station operations as opposed to UE operations.

[0053] In one aspect, in accordance with aspects described herein, the configuration component 342 can optionally include a configuration generation component 352 to generate a configuration for transmission to a UE to perform the Layer 1 CLI measurement, where the configuration can indicate, for each of one or more CCs, a CLI report setting and / or a CLI resource setting for measuring and reporting a CLI.

[0054] In one aspect, the processor(s) 312 can correspond to the one or more processors described in connection with the base station in FIG. 12. Similarly, the memory 316 can correspond to the memory described in connection with the base station in FIG. 12. Figure 6 In one aspect, the processor(s) 312 can correspond to the one or more processors described in connection with the base station in FIG. 12. Similarly, the memory 316 can correspond to the memory described in connection with the base station in FIG. 12. Figure 6

[0055] Figure 4 A flow chart illustrating an example of a method 400 for configuring a device to perform Layer 1 CLI measurement and reporting, in accordance with aspects described herein, is shown. In the example, a base station 102 can use one or more components described in Figure 1 and Figure 3 to perform the functions described in the method 400. Figure 5 A flow chart illustrating an example of a method 500 for performing Layer 1 CLI measurement and reporting, in accordance with aspects described herein, is shown. In the example, a UE 104 can use one or more components described in Figure 1 and Figure 2 ​​​One or more components described in the above description can perform the functions described in the method 500. For ease of explanation, the methods 400 and 500 are described in conjunction with each other, but the methods 400 and 500 are not required to be performed together, and different nodes / devices can perform one of the methods 400 or 500 without requiring the other nodes / devices to perform the other one of the methods 400 or 500.

[0056] In the method 400, at block 402, a configuration for CLI measurement reporting can be transmitted to a UE, the configuration including, for each of one or more CCs, one or more parameters for measuring a signal on the CC and a resource setting indicating resources of the CC on which to measure the signal. In one aspect, the configuration component 342, e.g., in conjunction with the processor(s) 312, memory 316, transceiver 302, etc., can transmit a configuration for CLI measurement reporting to a UE (e.g., the UE 104), the configuration including, for each of one or more CCs, one or more parameters for measuring a signal on the CC and a resource setting indicating resources of the CC on which to measure the signal. For example, the configuration generation component 352 can generate a configuration for CLI measurement reporting by the UE 104 to enable Layer 1 CLI measurement and reporting. In an example, the configuration generation component 352 can generate the configuration to include an identifier of a CC and to allow the UE 104 to determine, for a given CC, a reporting setting and a resource setting for measuring and reporting a CLI.

[0057] Figure 6Examples of configuration structures 600, 610 for CLI measurement reporting configuration are shown. In an example, configuration structure 600 includes at least one CLI reporting setting 602 (and can include multiple CLI reporting settings 602). Each CLI reporting setting 602 can be configured for a UE and associated with a single DL Bandwidth Part (BWP) configured for the UE. Further, each CLI reporting setting 602 can include a carrier index (“carrier”) of a cross-carrier CLI measurement triggered by a DCI received on another carrier and / or information for the UE to measure and report a CLI, such as a reporting quantity (e.g., an indication of whether to report RSRP, RSSI, or other measurement values). Further, each CLI reporting setting 602 can include one or more resource settings 604 for a Non-Zero Power (NZP) resource or a Zero Power (ZP) resource (e.g., of an aggressor UE). For example, resource settings 604 can indicate one or more resource sets 606, each of which can point to one or more resources 608 on which to measure a signal for CLI measurement and reporting. In an example, one or more resources 608 can include an indication of time and / or frequency resources on which to measure a signal for CLI measurement and reporting (e.g., an OFDM symbol index of an OFDM symbol within a slot, a slot index, a periodicity or offset of such resources, etc.). In an example, for an NZP resource setting, the resource configuration can correspond to an SRS or an UL Demodulation Reference Signal (DMRS), and can be linked to a reporting quantity of RSRP or RSSI. In an example, for a ZP resource setting, the resource configuration can correspond to a Channel State Information (CSI) Reference Signal (RS) resource for CSI Interference Measurement (CSI-IM), where a time and frequency pattern can optionally be occupied in all resource elements within a resource block. Further, a ZP resource can be linked to a reporting quantity of RSSI.

[0058] In another example, the configuration structure 610 can include at least one CLI reporting setting 612, which can include separate resource settings for NZP resources and ZP resources, including resource setting 614 and resource setting 616. Each resource setting 614 and 616 can include its own set of resources, such as resource set 618 for NZP resources and resource set 620 for ZP resources, each of which can include corresponding resources 622, 624. In any case, in an example, the ZP resources can be indicated for inter-cell CLI measurements, and the NZP resources can be indicated for intra-cell CLI measurements. In an example, resource settings 604, 614, and / or 616 can include an indicator of whether the corresponding resource settings are for inter-cell CLI measurements or intra-cell CLI measurements.

[0059] For example, in any case, the configuration component 342 can transmit the configuration for CLI measurement and reporting to the UE 104 using Radio Resource Control (RRC) signaling or other control signaling.

[0060] In the method 500, at block 502, a configuration for CLI measurement reporting can be received from a base station, the configuration including, for each of one or more CCs, one or more parameters for measuring a signal on the CC and a resource setting for indicating resources of the CC on which to measure the signal. In an aspect, the communication component 242, e.g., in conjunction with the processor(s) 212, memory 216, transceiver 202, etc., can receive, from a base station (e.g., base station 102), a configuration for CLI measurement reporting, the configuration including, for each of one or more CCs, one or more parameters for measuring a signal on the CC and a resource setting for indicating resources of the CC on which to measure the signal. For example, the communication component 242 can receive the configuration from the base station 102 in RRC or other control signaling, and the configuration can include, for each or one or more CCs, an identifier of the CC, one or more CLI reporting settings, one or more corresponding CLI resource settings (in a single or separate list, for NZP or ZP resources), corresponding resource set(s) or resource(s), etc.

[0061] In the method 500, at block 504, one or more measurements of signals received on the resources can be measured based on the one or more parameters in the configuration. In an aspect, the CLI component 252, e.g., in connection with the processor(s) 212, memory 216, transceiver 202, communication component 242, etc., can measure one or more measurements of signals received on the resources based on the one or more parameters. For example, the CLI component 252 can determine CLI reporting settings corresponding to CCs on which the UE is configured for communication. In an example, based on the CLI reporting settings, the CLI component 252 can determine one or more resource settings corresponding to one or more resource sets of one or more indicated resources based on one or more parameters in the configuration specified for the CCs to measure signals for CLI. The CLI component 252 can measure signals received on the various resources from one or more other UEs. As described above, in an example, the one or more resource settings can correspond to NZP or ZP resources (of an aggressor UE). Further, in one example, the NZP and ZP resources can be distinguished as different resource settings for the CLI reporting settings. In any case, the CLI component 252 can perform measurements of signals on the CLI resources indicated in the one or more CLI resource settings for the one or more CLI reporting settings for the CCs. Further, as described, for example, the CLI reporting settings can indicate a reporting quantity (e.g., RSRP, RSSI, etc.), and the CLI component 252 can measure the reporting quantity of the received signals on the resources accordingly.

[0062] In the method 500, at block 506, one or more measurements can be reported to the base station based on the configuration and the measurements of the signals. In an aspect, the CLI component 252, e.g., in connection with the processor(s) 212, memory 216, transceiver 202, communication component 242, etc., can report one or more signal measurements to the base station (e.g., the base station 102) based on the configuration and the measurements of the signals. For example, the CLI component 252 can transmit an indication of one or more signal measurements (e.g., a reporting quantity such as RSRP, RSSI, etc.) of signals received on the resources to the base station 102. In an example, the configuration received from the base station 102 can also indicate reporting resources on which to transmit the report to the base station, and the CLI component 252 can transmit the report on the indicated reporting resources. For example, the CLI component 252 can transmit the report on resources of an uplink channel (such as a Physical Uplink Control Channel (PUCCH), a Physical Uplink Shared Channel (PUSCH), etc.) that can be specified by the configuration or otherwise indicated to the UE 104 (e.g., in a resource grant).

[0063] In method 400, at Block 404, one or more measurement results of a signal received on the resources can be received from the UE based on the one or more parameters in the configuration. In an aspect, configuration component 342, e.g., in conjunction with processor(s) 312, memory 316, transceiver 302, etc., can receive the one or more measurement results of the signal received on the resources from the UE (e.g., UE 104) based on the one or more parameters. As described above, the measurement results can correspond to the reporting quantities (e.g., RSRP, RSSI, etc.) of the signal specified in the configuration. In an example, configuration component 342 can use the measurement results to determine a CLI condition for the UE 104 to report the measurement results, and can accordingly schedule resources for the UE 104 or other UEs, determine a TDD UL DL configuration, an SRS configuration, etc., to mitigate the CLI of the UE 104 (e.g., to avoid downlink resources of the UE 104 and uplink resources of a nearby UE from colliding).

[0064] In method 400, optionally, at Block 406, the one or more nodes can be instructed to transmit on at least a portion of the resources. In an aspect, configuration component 342, e.g., in conjunction with processor(s) 312, memory 316, transceiver 302, etc., can instruct the one or more nodes (e.g., other UEs) to transmit on at least a portion of the resources. For example, configuration component 342 can instruct an aggressor UE to transmit a signal on the ZP resources specified in the configuration of the UE 104. This can ensure that the UE 104 is able to measure the signal from the aggressor UE on the ZP resources to obtain the measurement results for the CLI measurement report.

[0065] When measuring one or more measurement results of the received signal on the resources at block 504, optionally, inter-cell CLI measurement results can be measured on ZP resources or intra-cell CLI measurement results can be measured on NZP resources at block 508. In an aspect, the CLI component 252, e.g., in conjunction with the processor(s) 212, memory 216, transceiver 202, communication component 242, etc., can measure inter-cell CLI measurement results on ZP resources or can measure intra-cell CLI measurement results on NZP resources. For example, the CLI component 252 can distinguish between ZP resources and NZP resources based on a configuration, which can indicate whether a resource setting is applied to ZP or NZP resources based on an indicator or based on which list includes the resource setting, as described above. In another example, the CLI component 252 can measure inter-cell CLI measurement results on NZP resources or can measure intra-cell CLI measurement results on ZP resources. In yet another example, regardless of whether a resource setting is for NZP resources or ZP resources, the resource setting can include an indicator indicating whether to measure the resource for inter-cell CLI measurement or intra-cell CLI measurement, and the CLI component 252 can perform inter-cell or intra-cell CLI measurement accordingly to report to the base station.

[0066] In the method 400, optionally, a capability indicator of a number of supported CLI reports or resources can be transmitted to the UE at block 408. In an aspect, the configuration component 342, e.g., in conjunction with the processor(s) 312, memory 316, transceiver 302, etc., can transmit the capability indicator of the number of supported CLI reports or resources to the UE. For example, the capability indicator can be included in a higher layer configuration (e.g., RRC configuration) and can be related to CLI reporting or to CLI resources. For example, the capability indicator can indicate a maximum number of CLI reports to be configured, a maximum number of CLI resources to be configured, a maximum number of CLI resources to be processed simultaneously, etc. The capacity configuration can be based on each frequency band or frequency band combination.

[0067] In the method 500, optionally, a capability indicator of a number of supported CLI reports or resources can be received from the base station at block 510. In an aspect, the communication component 242, e.g., in conjunction with the processor(s) 212, memory 216, transceiver 202, etc., can receive the capability indicator of the number of supported CLI reports or resources from the base station. For example, the communication component 242 can receive an indication in RRC signaling (e.g., in a configuration received at block 502 or otherwise) and the CLI component 252 can determine a number of CLI resources to measure at block 504 and / or a number of CLI measurement values to report at block 506 based at least on the capability indicator of the base station 102 (e.g., based on the number not exceeding a maximum number indicated by the capability indicator).

[0068] In an example, the framework for CSI reporting can also be used for CLI measurement reporting. In this example, some CSI parameters can be reused and / or new parameters can be defined within the CSI framework to allow for CLI measurement reporting. In an example, when the configuration is transmitted at block 402, optionally, at block 410, the configuration can be transmitted as part of the CSI reporting configuration. In an aspect, configuration component 342, e.g., in conjunction with processor(s) 312, memory 316, transceiver 302, etc., can transmit the configuration as part of the CSI reporting configuration. In this example, configuration generation component 352 can generate the configuration for CLI measurement reporting as part of the CSI reporting configuration for reporting CSI. In an example, configuration generation component 352 can reuse the current CSI reporting quantities for CLI measurement reporting. For example, the reporting quantities can be “CRI-PMI-RI-CQI” defined in 5G NR, and there can be both resources for channel measurement and CLI measurement resources (e.g., SRS resources). In this example, the CSI reporting of the serving cell channel quality indicator (CQI) can depend on the channel measurement (e.g., legacy CSI) and / or the interference measured from the CLI resources. In this example, UE 104 can report the measurements made on the CLI along with the legacy CSI. In another example, the configuration can use new CSI reporting quantities defined for CLI measurement, such as “L1-CLI-RSRP”, “L1-CLI-RSSI”, etc. In this example, UE 104 can report the measurement results using the CSI reporting quantities as described herein. In another example, the configuration can use new CSI reporting quantities for a specific set of resources, such as the new reporting quantities are “CRI-CLI-RSRP”, “CRI-CLI-RSSI”, etc. to be measured on a specific set of resources. In this example, if multiple resources are configured for CLI measurement, UE 104 can select a single resource or a subset of resources to report. Further, in this example, wideband or subband (differential based) CLI reporting can be supported and / or the subband granularity can be indicated in the RRC configuration values, such as reportFreqConfiguration.

[0069] Upon receiving the configuration at block 502, optionally, at block 512, the configuration can be received as part of a CSI reporting configuration. In an aspect, the communication component 242, e.g., in conjunction with the processor(s) 212, memory 216, transceiver 202, etc., can receive the configuration as part of a CSI reporting configuration. In the various examples described above, at block 506, the CLI component 252 can determine how to report the CLI using the CSI configuration, and can report the one or more measurement results accordingly. For example, as described and based on the CSI configuration, the CLI component 252 can report the measurement results as CQI based on the measurement results and / or corresponding CSI channel measurements. In another example, the CLI component 252 can report the CLI measurement results using a new reporting quantity defined for CLI measurements, using a new reporting quantity for a particular set of resources, etc. In any case, the base station 102 can determine the reported CLI measurement results, and can determine a TDD UL DL configuration, an SRS configuration, or other scheduling for the UE 104 or other UEs based on the CLI measurement results.

[0070] Further, in cases where the CSI reporting is reused for CLI measurements, priority rules and / or CPU limitations can be defined for the CLI measurement results, or priority rules and / or CPU limitations are defined in consideration of the CLI measurement results. In the method 500, optionally, at block 514, a priority or CPU limitation for CLI measurements and / or reporting can be determined for CSI measurements and / or reporting. In an aspect, the CLI component 252, e.g., in conjunction with the processor(s) 212, memory 216, transceiver 202, communication component 242, etc., can determine a priority or CPU limitation for CLI measurements and / or reporting for CSI measurements and / or reporting, and can measure signals and / or report measurements of the CLI accordingly based on the determined priority and / or CPU limitation.

[0071] For example, the CSI reporting can be associated with a priority value Pri iCSI (y, k, c, s) = 2 · N cells · M s · y + N cells · M s · k + M s• c + s (as defined in 5G NR) associated, where for UL channels carrying CLI reports, for aperiodic CSI reports to be carried on PUSCH, y = 0, for semi-persistent CSI reports to be carried on PUSCH, y = 1, for semi-persistent CSI reports to be carried on PUCCH, y = 2, and for periodic CSI reports (same as legacy CSI) to be carried on PUCCH, y = 3. Currently, in 5G NR, k = 0 for CSI reports carrying L1-RSRP, and k = 1 for CSI reports not carrying L1-RSRP. In an example, the CLI component 252 can define the priority order of CLI reports (relative to other CSI reports) by adjusting the k value. For example, the CLI component 252 can set k = 0 for CSI reports carrying L1-RSRP, k = 1 for CSI reports carrying L1-CLI reports, and k = 2 for other CSI reports. If the time occupancy of the physical channels scheduled for reporting overlap in at least one OFDM symbol and are transmitted on the same carrier, legacy CSI reports and CLI-specific reports can collide. When the UE 104 is configured to send both of these colliding reports, the two CSI reports can be multiplexed or dropped based on the priority value.

[0072] In another example, in 5G NR, for channel measurement, the number of CPUs per CSI-RS resource is counted unless there is a fast CSI report that occupies all CPUs. For a CSI reporting configuration with reportQuantity set to “CRI-CLI-RSRP” and “CRI-CLI-RSSI”, the CPU unit occupation can correspond to the number of CPUs occupied for processing the CLI report, i.e., the number of ZP resources or NZP resources in the resource set for CLI measurement. In this example, the CPU occupation time for the CSI report related to CLI measurement can be different for periodic, semi-persistent, or aperiodic reporting. For example, for periodic or semi-persistent, the CPU(s) is occupied from the first symbol of the earliest resource in each ZP / NZP CLI resource used for CLI measurement (the corresponding latest ZP / NZP CLI occasion is no later than the corresponding CSI reference resource) until the last symbol of the PUSCH / PUCCH carrying the report. For aperiodic, the CPU(s) is occupied from the first symbol after the PDCCH that triggers the CSI report until the last symbol of the PUSCH carrying the report. In this example, in any slot, the UE is not expected to have more active CLI resources for CLI measurement than the maximum number of CLI resources to be configured indicated in the capability at block 510, and in any slot, the UE is not expected to process more number of CLI resources / ports than the maximum number of CLI resources to be processed simultaneously indicated in the capability indicated at block 510.

[0073] Figure 7 is a block diagram of a MIMO communication system 700 including base stations 102 and UEs 104. The MIMO communication system 700 can illustrate aspects of the wireless communication access network 100 described with reference to Figure 1 The base station 102 can be an example of aspects of the base station 102 described with reference to Figure 1 The base station 102 can be equipped with antennas 734 and 735, and a UE 104 can be equipped with antennas 752 and 753. In the MIMO communication system 700, the base station 102 is able to send data over multiple communication links at the same time. Each communication link can be called a “layer” and the “rank” of the communication link can indicate the number of layers used for communication. For example, in a 2x2 MIMO communication system where base station 102 transmits two “layers,” the rank of the communication link between the base station 102 and the UE 104 is two.

[0074] At the base station 102, a transmit (Tx) processor 720 can receive data from a data source. The transmit processor 720 can process the data. The transmit processor 720 can also generate control symbols or reference symbols. A transmit MIMO processor 730 can perform spatial processing (e.g., precoding) on data symbols, control symbols, or reference symbols, if applicable, and can provide output symbol streams to the transmit modulator / demodulators 732 and 733. Each modulator / demodulator 732 to 733 can process a respective output symbol stream (e.g., for OFDM, etc.) to obtain an output sample stream. Each modulator / demodulator 732 to 733 can further process the output sample stream (e.g., convert to analog, amplify, filter, and upconvert) to obtain a DL signal. In one example, DL signals from modulator / demodulators 732 and 733 can be transmitted via the antennas 734 and 735, respectively.

[0075] The UE 104 can be an example of the UE 104 described with reference to Figures 1-2 The aspects of the UE 104 described can be implemented. At the UE 104, the UE antennas 752 and 753 can receive DL signals from the base station 102 and can provide the received signals to the modulator / demodulators 754 and 755, respectively. Each modulator / demodulator 754 to 755 can condition (e.g., filter, amplify, downconvert, and digitize) a respective received signal to obtain input samples. Each modulator / demodulator 754 to 755 can further process the input samples (e.g., for OFDM, etc.) to obtain received symbols. A MIMO detector 756 can obtain received symbols from the modulator / demodulators 754 and 755, perform MIMO detection on the received symbols if applicable, and provide detected symbols. A receive (Rx) processor 758 can process (e.g., demodulate, deinterleave, and decode) the detected symbols, providing decoded data for the UE 104 to a data output, and provide decoded control information to a processor 780, or memory 782.

[0076] In some cases, the processor 780 can execute stored instructions to instantiate the communication component 242 (e.g., see Figure 1 and Figure 2 ).

[0077] On the uplink (UL), at the UE 104, a transmit processor 764 can receive and process data from a data source. The transmit processor 764 can also generate reference symbols for a reference signal. The symbols from the transmit processor 764 can be precoded by a transmit MIMO processor 766 if applicable, further processed by the modulators / demodulators 754 and 755 (e.g., for SC-FDMA, etc.), and be transmitted to the base station 102 in accordance with the communication parameters received from the base station 102. At the base station 102, the UL signals from the UE 104 can be received by the antennas 734 and 735, processed by the modulators / demodulators 732 and 733, detected by a MIMO detector 736 if applicable, and further processed by a receive processor 738. The receive processor 738 can provide decoded data to a data output and to the processor 740 or memory 742.

[0078] In some cases, the processor 740 can execute stored instructions to instantiate the configuration component 342 (see, e.g., FIG. 3). Figure 1 and Figure 3

[0079] The components of the UE 104 may, individually or collectively, be implemented with one or more ASICs adapted to perform some or all of the applicable functions. Each of the noted modules can be a means for implementing one or more functions associated with the operations of the MIMO communication system 700. Similarly, the components of the base station 102 may, individually or collectively, be implemented with one or more Application Specific Integrated Circuits (ASICs) adapted to perform some or all of the applicable functions. Each of the noted components can be a means for implementing one or more functions associated with the operations of the MIMO communication system 700.

[0080] The detailed description set forth above in connection with the appended drawings describes examples and does not represent the only examples that can be implemented in the

[0081] ​Information and signals can be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols, and chips that can be referenced throughout the above description can be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, computer-executable code or instructions stored on computer-readable media, or any combination thereof.

[0082] The various illustrative blocks and components described in connection with the disclosure herein can be implemented or performed with specially-programmed apparatuses, such as but not limited to a processor, a Digital Signal Processor (DSP), an ASIC, a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A specially-programmed processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, microcontroller, or state machine. A specially-programmed processor can also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

[0083] The functions described herein can be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions can be stored on or transmitted over as one or more instructions or code on a non-transitory computer-readable medium. Other examples and implementations are within the scope and spirit of the disclosure and appended claims. For example, due to the nature of software, functions described above can be implemented using software executed by a specially programmed processor, hardware, firmware, hardwiring, or combinations of any of these. Features implemented in hardware can also be implemented in software, and vice versa. A feature described as being implemented in a certain manner is not limited to being implemented in only that manner. A feature described as being implemented in a certain manner can also be implemented in other manners. Further, examples and implementations are within the scope and spirit of the disclosure and appended claims. For example, due to the nature of software, functions described above can be implemented using software executed by a specially programmed processor, hardware, firmware, hardwiring, or combinations of any of these. Features implemented in hardware can also be implemented in software, and vice versa. A feature described as being implemented in a certain manner is not limited to being implemented in only that manner. A feature described as being implemented in a certain manner can also be implemented in other manners.

[0084] Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media can be any available media that can be accessed by a general purpose or special purpose computer. By way of example, and not limitation, computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code means in the form of instructions or data structures and that can be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Also, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc, as used herein, include compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and Blu-ray® disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.

[0085] The foregoing description of the present disclosure has been directed to enable a person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other variations without departing from the spirit or scope of the disclosure. Furthermore, although elements of the described aspects and / or embodiments can be described or claimed in singular form, plural forms can also be intended unless explicitly stated otherwise. In addition, all or portions of any aspect and / or embodiment can be used with all or portions of any other aspect and / or embodiment, unless otherwise stated. Thus, the disclosure is not to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0086] The following provides an overview of additional examples:

[0087] 1. A method for wireless communication, comprising:

[0088] receiving, from a base station, a configuration for a cross-link interference (CLI) measurement report, wherein the configuration comprises, for each component carrier of one or more component carriers:

[0089] an identifier of the component carrier;

[0090] one or more parameters of a signal on the component carrier; and

[0091] a resource setting indicating resources of the component carrier on which to measure the signal;

[0092] measure one or more measurement results of a signal received on resources indicated by the resource setting for the component carrier based at least in part on the one or more parameters; and

[0093] report the one or more measurement results to the base station based on the configuration and the measurement of the signal.

[0094] 2. The method of example 1, wherein the one or more parameters indicated in the configuration comprise at least one of a received signal strength indicator (RSSI) or a reference signal received power (RSRP).

[0095] 3. The method of any one of examples 1 or 2, wherein the resource setting indicates the resources as at least one of a non-zero power resource comprising one or more nodes on which to measure a signal received from the one or more nodes or a zero power resource on which to measure a reference signal from the one or more nodes.

[0096] 4. The method of example 3, wherein measuring the one or more measurement results comprises at least one of measuring an inter-cell CLI measurement on a zero power resource or measuring an intra-cell CLI measurement on a non-zero power resource.

[0097] 5. The method of any one of examples 3 or 4, wherein the configuration comprises an indicator indicating whether a resource of the resources is for inter-cell measurements or intra-cell measurements.

[0098] 6. The method of any one of examples 1 to 5, wherein the one or more parameters comprise an indication of time and frequency resources for measuring the signal.

[0099] 7. The method of any one of examples 1 to 6, wherein the resource setting indicates the resources as non-zero power resources comprising one or more nodes on which to measure a signal, wherein the resource setting indicates resources of a sounding reference signal or an uplink demodulation reference signal, and wherein the one or more parameters indicated in the configuration comprise at least one of a received signal strength indicator (RSSI) or a reference signal received power (RSRP).

[0100] 8. The method of any of examples 1-7, wherein the resource setting indicates the resource as a zero-power resource comprising one or more nodes on which to measure a reference signal, wherein the resource setting indicates resources of a channel state information reference signal (CSI-RS) for channel state information interference measurement (CSI-IM), and wherein the one or more parameters indicated in the configuration comprise a received signal strength indicator (RSSI).

[0101] 9. The method of any of examples 1-8, further comprising receiving, from the base station, a capability indicator indicating a maximum number of CLI reports supported, wherein the configuration is based on the maximum number of CLI reports supported.

[0102] 10. The method of example 9, wherein the capability indicator is band-specific or band-combination-specific.

[0103] 11. The method of any of examples 1-10, further comprising receiving, from the base station, a capability indicator indicating a maximum number of CLI resources supported or a maximum number of CLI resources that can be concurrently processed, wherein the configuration is based on the maximum number of CLI resources supported or the maximum number of CLI resources that can be concurrently processed.

[0104] 12. The method of example 11, wherein the capability indicator is band-specific or band-combination-specific.

[0105] 13. The method of any of examples 1-12, wherein receiving the configuration comprises receiving the configuration from the base station as part of a channel state information (CSI) report configuration.

[0106] 14. The method of example 13, wherein the CSI report configuration comprises a configuration based on indicating CLI measurement resources as related to sounding reference signal (SRS) resources.

[0107] 15. The method of any of examples 13 or 14, wherein the CSI report configuration comprises a configuration based on indicating CLI measurement resources according to a CLI report quantity identifier.

[0108] 16. The method of example 15, wherein the CLI report quantity identifier corresponds to a particular set of resources.

[0109] 17. The method of any of examples 13-16, further comprising determining a priority for a CLI measurement report based on the configuration based on whether the CSI report configuration indicates an aperiodic, semi-persistent, or periodic CSI report.

[0110] 18. The method of any of examples 13 to 17, further comprising determining a priority for CSI reporting based on whether the CSI reporting configuration indicates CLI measurement.

[0111] 19. The method of any of examples 13 to 18, wherein measuring one or more measurement results of the signal comprises assigning a CSI processing unit (CPU) for each of a plurality of zero-power resources or non-zero-power resources indicated in the configuration.

[0112] 20. The method of example 19, wherein assigning the CPU comprises assigning the CPU such that for periodic or semi-persistent CSI reporting indicated in a CSI reporting configuration, the CPU is occupied starting from an earliest resource of each of the zero-power resources and the non-zero-power resources until a last symbol related to the reporting.

[0113] 21. The method of any of examples 19 or 20, wherein assigning the CPU comprises assigning the CPU such that for aperiodic CSI reporting indicated in a CSI reporting configuration, the CPU is occupied starting from a first symbol after triggering the aperiodic CSI reporting until a last symbol related to the reporting.

[0114] 22. A method for wireless communication, comprising:

[0115] transmitting, to a user equipment (UE), a configuration for cross-link interference (CLI) measurement reporting, wherein the configuration comprises, for each component carrier of one or more component carriers:

[0116] an identifier of the component carrier;

[0117] one or more parameters for measuring a signal on the component carrier; and

[0118] a resource setting indicating resources of the component carrier on which to measure the signal.

[0119] receiving, from the UE, one or more measurement results of a signal received on resources indicated by the resource setting for the component carrier based at least in part on the one or more parameters.

[0120] 23. The method of example 22, wherein the one or more parameters indicated in the configuration comprise at least one of a received signal strength indicator (RSSI) or a reference signal received power (RSRP).

[0121] 24. The method of any of examples 22 or 23, wherein the resource setting indicates the resources as comprising at least one of non-zero power resources on which to measure signals received from the one or more nodes or zero power resources on which to measure reference signals from the one or more nodes.

[0122] 25. The method of example 24, further comprising indicating to the one or more nodes to transmit one or more reference signals during the zero power resources.

[0123] 26. The method of any of examples 22 to 25, wherein the configuration comprises an indicator indicating whether a resource of the resources is for inter-cell measurements or intra-cell measurements.

[0124] 27. The method of any of examples 22 to 26, wherein the one or more parameters comprise an indication of time and frequency resources for measuring the signals.

[0125] 28. The method of any of examples 22 to 27, wherein the resource setting indicates the resources as comprising non-zero power resources of one or more nodes on which to measure signals, wherein the resource setting indicates resources of sounding reference signals or uplink demodulation reference signals, and wherein the one or more parameters indicated in the configuration comprise at least one of a received signal strength indicator (RSSI) or a reference signal received power (RSRP).

[0126] 29. The method of any of examples 22 to 28, wherein the resource setting indicates the resources as comprising zero power resources of one or more nodes on which to measure reference signals, wherein the resource setting indicates resources of channel state information reference signals (CSI-RS) for channel state information interference measurements (CSI-IM), and wherein the one or more parameters indicated in the configuration comprise a received signal strength indicator (RSSI).

[0127] 30. The method of any of examples 22 to 29, further comprising transmitting a capability indicator to the UE indicating a maximum number of CLI reports supported, wherein the configuration is based on the maximum number of CLI reports supported.

[0128] 31. The method of any of examples 22 to 30, further comprising transmitting a capability indicator to the UE indicating a maximum number of CLI resources supported or a maximum number of CLI resources that can be concurrently processed, wherein the configuration is based on the maximum number of CLI resources supported or the maximum number of CLI resources that can be concurrently processed.

[0129] 32. The method of any of examples 22-31, wherein transmitting the configuration comprises transmitting the configuration as part of a channel state information (CSI) report configuration.

[0130] 33. The method of example 32, wherein the CSI report configuration comprises a configuration based on indicating CLI measurement resources as related to sounding reference signal (SRS) resources.

[0131] 34. The method of any of examples 32 or 33, wherein the CSI report configuration comprises a configuration based on indicating CLI measurement resources according to a CLI report quantity identifier.

[0132] 35. The method of example 34, wherein the CLI report quantity identifier corresponds to a particular set of resources.

[0133] 36. An apparatus for wireless communication, comprising:

[0134] a transceiver;

[0135] memory configured to store instructions; and

[0136] one or more processors communicatively coupled with the memory and the transceiver, wherein the one or more processors are configured to perform one or more of the methods of examples 1-35.

[0137] 37. An apparatus for wireless communication, comprising means for performing one or more of the methods of examples 1-35.

[0138] 38. A computer-readable medium, comprising code executable by one or more processors for wireless communication, the code comprising code for performing one or more of the methods of examples 1-35.

Claims

1. A method for performing wireless communication at a user equipment (UE), comprising: Receive configuration from the base station for cross-link interference CLI measurement reports, wherein the configuration for each of one or more component carriers includes: The identifier of the component carrier; One or more parameters for measuring the signal on the component carrier; and Resource settings for the component carrier on which the measured signal is located; One or more measurements of the signal received on the resource indicated by the resource settings for the component carrier are measured, at least in part, based on the one or more parameters; and Based on the configuration and the measurement of the signal, report one or more measurement results to the base station.

2. The method according to claim 1, wherein, One or more parameters indicated in the configuration include at least one of Received Signal Strength Indicator (RSSI) or Reference Signal Received Power (RSRP).

3. The method according to claim 1, wherein, The resource settings indicate that the resource includes at least one of a non-zero power resource or a zero power resource containing one or more nodes, on which signals received from the one or more nodes are measured, on which reference signals from the one or more nodes are measured, and wherein measuring the one or more measurement results includes at least one of the following: measuring inter-cell CLI measurement results on a zero power resource, or measuring intra-cell CLI measurement results on a non-zero power resource.

4. The method according to claim 3, wherein, The configuration includes an indicator that specifies whether a resource in the resource is used for inter-cell or intra-cell measurements.

5. The method according to claim 1, wherein, The one or more parameters include indications of time and frequency resources used to measure the signal.

6. The method according to claim 1, wherein, The resource setting indicates the resource as a non-zero power resource including one or more nodes on which a signal is measured, wherein the resource setting indicates a resource for a probe reference signal or an uplink demodulation reference signal, and wherein one or more parameters indicated in the configuration include at least one of a Received Signal Strength Indicator (RSSI) or a Reference Signal Received Power (RSRP).

7. The method according to claim 1, wherein, The resource setting indicates the resource as a zero-power resource including one or more nodes on which a measurement reference signal is to be measured, wherein the resource setting indicates a resource for a channel state information reference signal CSI-RS for channel state information interference measurement CSI-IM, and wherein one or more parameters indicated in the configuration include a received signal strength indicator RSSI.

8. The method of claim 1, further comprising receiving from the base station a capability indicator indicating the maximum number of supported CLI reports, wherein, The configuration is based on the maximum number of CLI reports supported.

9. The method according to claim 8, wherein, The capability indicator is either band-specific or band combination-specific.

10. The method of claim 1, further comprising receiving from the base station a capability indicator indicating the maximum number of supported CLI resources or the maximum number of CLI resources that can be processed concurrently, wherein, The configuration is based on the maximum number of supported CLI resources or the maximum number of CLI resources that can be processed concurrently.

11. The method according to claim 10, wherein, The capability indicator is either band-specific or band combination-specific.

12. The method according to claim 1, wherein, Receiving the configuration includes receiving the configuration from the base station as a portion of the Channel State Information (CSI) report configuration based on at least one of the following: Configure the CLI measurement resources to be associated with the SRS (Sound Reference Signal) resource, or CLI report volume identifier corresponding to a specific resource set.

13. The method of claim 12, further comprising indicating whether a non-periodic, semi-persistent, or periodic CSI reports are based on the CSI report configuration, and determining a priority for CLI measurement reports based on the configuration.

14. The method of claim 12, further comprising: The priority for CSI reporting is determined based on whether the CSI reporting configuration indicates CLI measurement.

15. The method according to claim 12, wherein, One or more measurement results of the signal include assigning a CSI processing unit CPU to each of the plurality of zero-power resources or non-zero-power resources indicated in the configuration.

16. The method according to claim 15, wherein, The CPU being assigned includes at least one of the following: The CPU is assigned such that, for periodic or semi-persistent CSI reports indicated in the CSI report configuration, the CPU is occupied starting from the earliest resource of each of the zero-power and non-zero-power resources, until the last symbol associated with the report; or Assigning the CPU includes assigning the CPU to occupy the CPU from the first symbol after the non-periodic CSI report is triggered, as indicated in the CSI report configuration, until the last symbol associated with the report.

17. A method for performing wireless communication at a base station, comprising: Sending a configuration for a cross-link interference CLI measurement report to the user equipment (UE), wherein the configuration for each of one or more component carriers includes: The identifier of the component carrier; One or more parameters for measuring the signal on the component carrier; and Resource settings for the component carrier on which the measured signal is located; The UE receives one or more measurement results of signals received on resources indicated by resource settings for the component carrier, based at least in part on the one or more parameters.

18. The method according to claim 17, wherein, One or more parameters indicated in the configuration include at least one of Received Signal Strength Indicator (RSSI) or Reference Signal Received Power (RSRP).

19. The method of claim 17, wherein, The resource settings indicate that the resource is at least one of a non-zero power resource or a zero power resource comprising one or more nodes, on which signals received from the one or more nodes are measured, and on which reference signals from the one or more nodes are measured, on the zero power resource.

20. The method of claim 19, further comprising instructing the one or more nodes to transmit one or more reference signals during the zero-power resource period.

21. The method according to claim 17, wherein, The configuration includes an indicator that specifies whether a resource in the resource is used for inter-cell or intra-cell measurements.

22. The method according to claim 17, wherein, The one or more parameters include indications of time and frequency resources used to measure the signal.

23. The method according to claim 17, wherein, The resource setting indicates the resource as a non-zero power resource including one or more nodes on which a signal is measured, wherein the resource setting indicates a resource for a probe reference signal or an uplink demodulation reference signal, and wherein one or more parameters indicated in the configuration include at least one of a Received Signal Strength Indicator (RSSI) or a Reference Signal Received Power (RSRP).

24. The method according to claim 17, wherein, The resource setting indicates the resource as a zero-power resource including one or more nodes on which a measurement reference signal is to be measured, wherein the resource setting indicates a resource for a channel state information reference signal CSI-RS for channel state information interference measurement CSI-IM, and wherein one or more parameters indicated in the configuration include a received signal strength indicator RSSI.

25. The method of claim 17, further comprising sending a capability indicator to the UE, the capability indicator indicating at least one of the following: The maximum number of CLI reports supported, of which, The configuration is based on the maximum number of CLI reports supported; or The maximum number of supported CLI resources or the maximum number of CLI resources that can be processed concurrently, wherein the configuration is based on the maximum number of supported CLI resources or the maximum number of CLI resources that can be processed concurrently.

26. The method according to claim 17, wherein, Sending the configuration includes sending the configuration as part of the Channel State Information (CSI) report configuration based on at least one of the following: Configure the CLI measurement resources to be associated with the SRS (Sound Reference Signal) resource, or CLI measurement resources are indicated based on CLI report quantity identifiers corresponding to a specific resource set.

27. An apparatus for performing wireless communication at a user equipment, comprising: transceiver; At least one memory, including instructions; and At least one processor is configured to execute the instructions to cause the device to: Receive configuration from the base station for cross-link interference CLI measurement reports, wherein the configuration for each of one or more component carriers includes: The identifier of the component carrier; One or more parameters for measuring the signal on the component carrier; and Resource settings for the component carrier on which the measured signal is located; One or more measurements of the signal received on the resource indicated by the resource settings for the component carrier are measured, at least in part, based on the one or more parameters; and Based on the configuration and the measurement of the signal, report one or more measurement results to the base station.

28. The apparatus according to claim 27, wherein, One or more parameters indicated in the configuration include at least one of Received Signal Strength Indicator (RSSI) or Reference Signal Received Power (RSRP).

29. An apparatus for performing wireless communication at a base station, comprising: transceiver; At least one memory, including instructions; and At least one processor is configured to execute the instructions to cause the device to: Sending a configuration for a cross-link interference CLI measurement report to the user equipment (UE), wherein the configuration for each of one or more component carriers includes: The identifier of the component carrier; One or more parameters for measuring the signal on the component carrier; and Resource settings for the component carrier on which the measured signal is located; The UE receives one or more measurement results of signals received on resources indicated by resource settings for the component carrier, based at least in part on the one or more parameters.

30. The apparatus according to claim 29, wherein, One or more parameters indicated in the configuration include at least one of Received Signal Strength Indicator (RSSI) or Reference Signal Received Power (RSRP).

31. A computer-readable medium having program code recorded thereon, wherein the program code is executable by one or more processors of a user equipment (UE) to cause the one or more processors to perform the method according to any one of claims 1-16.

32. A computer-readable medium having program code recorded thereon, wherein the program code is executable by one or more processors of a base station to cause the one or more processors to perform the method according to any one of claims 17-26.

33. A computer program product comprising computer-readable instructions that, when executed by a processor, cause the processor to perform the method according to any one of claims 1-16.

34. A computer program product comprising computer-readable instructions that, when executed by a processor, cause the processor to perform the method according to any one of claims 17-26.

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