Reconfigurable intelligent surface (RIS) interference management

Abstract

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a network node may send, to a reconfigurable intelligent surface (RIS), information identifying an RIS configuration, where the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. A network node may communicate with a user equipment (UE) via the RIS and using the RIS configuration. Numerous other aspects are described.

Description

[0001] Cross-references to related applications

[0002] This patent application claims priority to U.S. Patent Application No. 18 / 467,219, filed September 14, 2023, entitled “Reconfigurable Intelligent Surface (RIS) Interference Management,” which is assigned to the assignee of this application. The disclosure of the earlier application is considered part of this patent application and is incorporated herein by reference. Technical Field

[0003] All aspects of this disclosure relate to wireless communication and to techniques and apparatus for intelligent surface interference management that can be reconfigured.

[0004] Related technical descriptions

[0005] Wireless communication systems are widely deployed to provide a variety of telecommunications services, such as telephone, video, data, messaging, and broadcasting. Typical wireless communication systems employ multiple access technologies that can support communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, etc.). Examples of such multiple access technologies include Code Division Multiple Access (CDMA) systems, Time Division Multiple Access (TDMA) systems, Frequency Division Multiple Access (FDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, Single Carrier Frequency Division Multiple Access (SC-FDMA) systems, Time Division Synchronous Code Division Multiple Access (TD-SCDMA) systems, and Long Term Evolution (LTE). LTE / LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard issued by the 3rd Generation Partnership Project (3GPP).

[0006] A wireless network may include one or more network nodes that support communication for wireless communication devices, such as user equipment (UE) or multiple UEs. UEs may communicate with network nodes via downlink and uplink communication. A "downlink" (or "DL") refers to the communication link from the network node to the UE, and an "uplink" (or "UL") refers to the communication link from the UE to the network node. Some wireless networks may support device-to-device communication, such as via local links (e.g., sidelinks (SL), wireless local area network (WLAN) links, and / or wireless personal area network (WPAN) links).

[0007] These multiple access technologies have been adopted in various telecommunications standards to provide a common protocol that enables different UEs to communicate at the city, country, region, or global level. New Radio (NR) (also known as 5G) is a set of enhancements to the LTE mobile standard issued by 3GPP. NR is designed to better support mobile broadband internet access by: improving spectrum efficiency; reducing costs; improving service; utilizing new spectrum; and using Orthogonal Frequency Division Multiplexing (OFDM) with Cyclic Prefix (CP) (CP-OFDM) on the downlink and CP-OFDM or Single Carrier Frequency Division Multiplexing (SC-FDM) (also known as Discrete Fourier Transform Extended OFDM (DFT-s-OFDM)) on the uplink to better integrate with other open standards; and supporting beamforming, multiple-input multiple-output (MIMO) antenna technologies and carrier aggregation. Summary of the Invention

[0008] Some aspects described herein relate to a method for wireless communication performed by a network node. This method may include sending information identifying a RIS configuration to a reconfigurable Smart Surface (RIS), wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. This method may include communicating with User Equipment (UE) via the RIS and using the RIS configuration.

[0009] Some aspects described herein relate to a method for wireless communication performed by a RIS (Responsible Component Arrangement). This method may include receiving information from a network node identifying a RIS configuration, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. This method may include using the RIS configuration to forward one or more communications between the network node and the UE (User Equipment).

[0010] Some aspects described herein relate to a method for wireless communication performed by a UE. This method may include receiving, from a network node and via a RIS, information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for time-varying control configuration associated with sidelobe suppression. The method may include communicating with the network node via the RIS using the one or more power control configuration parameters.

[0011] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a network node. When executed by one or more processors of the network node, this set of instructions enables the network node to send information identifying a RIS configuration to the RIS, wherein the RIS configuration includes one or more parameters for time-varying control configuration associated with sidelobe suppression. When executed by one or more processors of the network node, this set of instructions enables the network node to communicate with a UE via the RIS and using the RIS configuration.

[0012] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a RIS (Real Instruction Set). When executed by one or more processors of the RIS, the set of instructions enables the RIS to receive information identifying a RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. When executed by one or more processors of the RIS, the set of instructions enables the RIS to use the RIS configuration to forward one or more communications between the network node and the UE (User Equipment).

[0013] Some aspects described herein relate to a non-transitory computer-readable medium storing a set of instructions for wireless communication by a UE. When executed by one or more processors of the UE, the set of instructions enables the UE to receive information from a network node and via a RIS (Reference Information System) identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for time-varying control configuration associated with sidelobe suppression. When executed by one or more processors of the UE, the set of instructions enables the UE to communicate with the network node via the RIS using one or more power control configuration parameters.

[0014] Some aspects described herein relate to a network node for wireless communication. The network node may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to send information identifying a RIS configuration to a RIS, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. The one or more processors may be configured to communicate with a UE via the RIS and using the RIS configuration.

[0015] Some aspects described herein relate to a RIS (Radio Reliability Surface) for wireless communication. The reconfigurable smart surface may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to receive information identifying a RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. The one or more processors may be configured to use the RIS configuration to forward one or more communications between the network node and the UE.

[0016] Some aspects described herein relate to a UE for wireless communication. The user equipment may include one or more memories and one or more processors coupled to the one or more memories. The one or more processors may be configured to receive, from a network node and via a RIS, information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for time-varying control configuration associated with sidelobe suppression. The one or more processors may be configured to communicate with the network node via the RIS and using the one or more power control configuration parameters.

[0017] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for transmitting information identifying a RIS configuration to a RIS, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. The apparatus may also include components for communicating with a UE via the RIS and using the RIS configuration.

[0018] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for receiving information identifying a RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. The apparatus may also include components for using the RIS configuration to forward one or more communications between the network node and a UE.

[0019] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include components for receiving, from a network node and via a RIS, information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression. The apparatus may include components for communicating with the network node via the RIS using the one or more power control configuration parameters.

[0020] The entirety of the terms includes methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, network entities, network nodes, wireless communication devices and / or processing systems as fully described herein with reference to the accompanying drawings and description and illustrated as illustrated in the drawings and description.

[0021] The features and technical advantages of the examples according to this disclosure have been summarized rather broadly above in order to better understand the detailed description below. Additional features and advantages will be described below. The disclosed concepts and specific examples can be readily used as the basis for modifying or designing other structures for achieving the same purpose as this disclosure. Such equivalent constructions do not depart from the scope of the appended claims. The characteristics of the concepts disclosed herein (both their organization and operation) and their associated advantages will be better understood from the following description when considered in conjunction with the accompanying drawings. Each figure in the drawings is provided for illustrative and descriptive purposes and not as a definition of limitation of the claims. Attached Figure Description

[0022] To gain a full understanding of the foregoing features of this disclosure, a more specific description of the invention, briefly outlined above, can be obtained by referring to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the drawings illustrate only certain typical aspects of this disclosure and are therefore not to be considered as limiting its scope, as other equally valid aspects are permissible in this description. The same reference numerals in different drawings may identify the same or similar elements.

[0023] Figure 1 This is a diagram illustrating an example of a wireless network according to the present disclosure.

[0024] Figure 2 This is a diagram illustrating an example of communication between a network node and a user equipment (UE) in a wireless network according to the present disclosure.

[0025] Figure 3 This is a diagram illustrating an example decomposed base station architecture according to this disclosure.

[0026] Figure 4 This is a diagram illustrating an example of a repeater according to this disclosure.

[0027] Figure 5 This is a diagram illustrating an example of communication using a repeater according to this disclosure.

[0028] Figure 6 This is an illustration of an example beam pattern for communication using a repeater according to this disclosure.

[0029] Figure 7 This is a diagram illustrating an example of repeater interference management according to this disclosure.

[0030] Figure 8 This is a diagram illustrating an example of repeater interference management according to this disclosure.

[0031] Figure 9 This is a diagram illustrating an example process performed, for example, at a network node or a device of a network node, according to the present disclosure.

[0032] Figure 10 This is a diagram illustrating an example process performed according to this disclosure, for example at a reconfigurable Smart Surface (RIS) or a device of the RIS.

[0033] Figure 11 This is a diagram illustrating an example process performed, for example, at the UE or at a device of the UE, according to this disclosure.

[0034] Figure 12 This is a diagram of an example device for wireless communication according to the present disclosure.

[0035] Figure 13 This is a diagram of an example device for wireless communication according to the present disclosure.

[0036] Figure 14 This is a diagram of an example device for wireless communication according to the present disclosure. Detailed Implementation

[0037] In some communication systems, repeaters can be used to enable communication between different devices. For example, when there is an obstacle between a network node and a user equipment (UE), the network node and the UE may not be able to communicate directly; therefore, a repeater can be deployed to enable communication between the network node and the UE. In this case, the network node can send communication to the repeater, which can then forward, redirect, retransmit, or otherwise relay the communication toward the UE, and vice versa. An example of a repeater that can be used for indirect communication is a reconfigurable Smart Surface (RIS), as described in more detail herein. A RIS can be configured to reflect a target incident signal with enhanced gain along a configured reflection direction (or at a configured focal point). This enhances signal strength, thereby improving communication between devices. Furthermore, highly directional reflection beam patterns, such as those appearing in communications forwarded by a RIS, can be used for sensing.

[0038] However, while the RIS utilizes the main lobe of the beam to reflect the beam in a configured direction, it may also utilize a set of side lobes of the beam to reflect interference in an undesirable direction. The main lobe refers to the lobe of the radiation pattern of a radio antenna that contains the highest power (e.g., a global maximum) (e.g., the lobe with the highest field strength in the far field, for example). Side lobes are lobes of the radiation pattern of a radio antenna that have lower power in the far field (e.g., local maxima). Introducing a relatively high level of interference in a particular direction can adversely affect ongoing communication in that direction, reduce interference randomization (e.g., by generating burst interference—which may reduce the effectiveness of the link adaptation process), or reduce sensing accuracy (e.g., by causing false detections and increasing scan delays during sensing), among other examples.

[0039] As described in more detail herein, some techniques that can be applied to the device to eliminate directional interference problems include phase-only reflection beamforming and phased array taper. However, RIS may have a relatively small reflection coefficient alphabet (e.g., limited to 1 or 2 bits of alphabet that can be assigned to the phase of each RIS antenna element), which limits phase-only reflection beamforming through quantization errors, resulting in prominent sidelobe levels (SLL). Furthermore, RIS may lack independent amplitude control, which may prevent the application of phased array taper techniques.

[0040] Some aspects described herein can be implemented in communication systems that use a RIS (Relayed Information System) for relaying communication between other devices (e.g., UE and network node). For example, a network node can utilize a RIS configuration to configure the RIS, which includes one or more parameters for time-varying control associated with sidelobe suppression. In this case, the RIS configuration can be applied when forwarding communication between the network node and the UE. For example, the RIS can apply amplitude taper at the operating frequency using an algorithm with a relatively small reflection coefficient. Additionally or alternatively, the RIS can use jitter, at least partially based on time offset, to diffuse reflected signal energy, thereby suppressing SLL. In some aspects, the network node can configure a parameterized codebook to the RIS, which provides SLL suppression at different center frequencies. In some aspects, the network node and the RIS can communicate to set the RIS configuration, wherein taper or other SLL suppression techniques are configured. In some aspects, the network node can set taper for the RIS. In some aspects, the UE can be configured to interpret a set of power control commands to mitigate problems related to interference at the RIS. In this way, by sending information identifying the RIS configuration (as described in more detail herein), devices in the network can communicate with reduced interference caused by the sidelobes of the RIS beam. Additionally or alternatively, network nodes can enable communication using a RIS configured with a specific RIS configuration by configuring the UE to interpret power control commands.

[0041] Various aspects of this disclosure are described more fully below with reference to the accompanying drawings. However, this disclosure may be embodied in many different forms and should not be construed as limited to any particular structure or function presented throughout this disclosure. Rather, these aspects are provided so that this disclosure will be comprehensive and complete, and will fully convey the scope of protection of this disclosure to those skilled in the art. Those skilled in the art will appreciate that the scope of this disclosure is intended to cover any aspect of this disclosure disclosed herein, whether implemented independently or in combination with any other aspect of this disclosure. For example, any number of aspects set forth herein may be used to implement an apparatus or practice. Furthermore, the scope of this disclosure is intended to cover such apparatuses or methods implemented using structures, functions, or structures and functions other than or different from the aspects of the disclosure set forth herein. It should be understood that any aspect of this disclosure disclosed herein may be embodied by one or more elements of these claims.

[0042] Various devices and techniques will now be used to illustrate several aspects of a telecommunications system. These devices and techniques will be described in detail below and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, or algorithms (collectively, “elements”). These elements can be implemented using hardware, software, or a combination thereof. Whether such elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the system as a whole.

[0043] Although terms generally associated with 5G or New Radio (NR) Radio Access Technology (RAT) may be used herein to describe aspects, aspects of this disclosure may be applied to other RATs, such as 3G RAT, 4G RAT and / or 5G and later (e.g., 6G) RATs.

[0044] Figure 1This is an illustration of an example of a wireless network 100. Wireless network 100 can be a 5G (e.g., NR) network or a 4G (e.g., LTE) network, or may include elements of a 5G (e.g., NR) network or elements of a 4G (e.g., LTE) network, etc. Wireless network 100 may include one or more network nodes 110 (shown as network nodes 110a, 110b, 110c, and 110d), one or more UEs 120 (shown as UEs 120a, 120b, 120c, 120d, and 120e), or other entities. Network node 110 is an example of a network node communicating with UE 120. As shown, network node 110 may include one or more network nodes. For example, network node 110 can be an aggregated network node, meaning that the aggregated network node is configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or unit). As another example, network node 110 can be a decomposed network node (sometimes referred to as a decomposed base station), meaning that network node 110 is configured to utilize a protocol stack that is physically or logically distributed among two or more nodes (such as one or more central units (CUs), one or more distributed units (DUs), or one or more radio units (RUs)).

[0045] In some examples, network node 110 is or includes network nodes (such as RUs) that communicate with UE 120 via a radio access link. In some examples, network node 110 is or includes network nodes (such as DUs) that communicate with other network nodes 110 via a fronthaul or midhaul link. In some examples, network node 110 is or includes network nodes (such as CUs) that communicate with other network nodes 110 via a midhaul link or with the core network via a backhaul link. In some examples, network node 110 (such as aggregated network node 110 or decomposed network node 110) may include multiple network nodes, such as one or more RUs, one or more CUs, and / or one or more DUs. For example, network node 110 may include NR base stations, LTE base stations, Node Bs, eNBs (e.g., in 4G), gNBs (e.g., in 5G), access points, Transmit / Receive Points (TRPs), DUs, RUs, CUs, network mobility elements, core network nodes, network elements, network equipment, RAN nodes, or combinations thereof. In some examples, network nodes 110 can interconnect with each other or with one or more other network nodes 110 in the wireless network 100 using any suitable transport network through various types of fronthaul interfaces, midhaul interfaces, and / or backhaul interfaces (such as direct physical connections, air interfaces, or virtual networks).

[0046] In some examples, network node 110 may provide communication coverage for a specific geographic area. In the 3rd Generation Partnership Project (3GPP), depending on the context in which the term is used, the term "cell" may refer to the coverage area of ​​network node 110 or a network node subsystem serving that coverage area. Network node 110 may provide communication coverage for macrocells, picocells, femtocells, or another type of cell. A macrocell may cover a relatively large geographic area (e.g., with a radius of several kilometers) and may allow unrestricted access by UE 120 with a service subscription. A picocell may cover a relatively small geographic area and may allow unrestricted access by UE 120 with a service subscription. A femtocell may cover a relatively small geographic area (e.g., a residential area) and may allow restricted access by UE 120 associated with that femtocell (e.g., UE 120 in a Closed Subscriber Group (CSG)). Network node 110 used for macrocells may be referred to as a macro network node. Network node 110 used for picocells may be referred to as a pico network node. The network node 110 used for femtocells can be referred to as a femtocell network node or a home network node. Figure 1 In the example shown, network node 110a can be a macro network node for macro cell 102a, network node 110b can be a pico network node for pico cell 102b, and network node 110c can be a femto network node for femto cell 102c. Network nodes can support one or more (e.g., three) cells. In some examples, the cells may not necessarily be stationary, and the geographical area of ​​the cells may move depending on the location of the mobile network node 110 (e.g., a mobile network node).

[0047] In some aspects, the term "base station" or "network node" may refer to an aggregated base station, a decomposed base station, an integrated access and backhaul (IAB) node, a relay node, or one or more components thereof. For example, in some aspects, "base station" or "network node" may refer to a CU, DU, RU, a near real-time (near RT) RAN intelligent controller (RIC), or a non-real-time (non-RT) RIC, or a combination thereof. In some aspects, the term "base station" or "network node" may refer to a device configured to perform one or more functions (such as those described herein in conjunction with network node 110). In some aspects, the term "base station" or "network node" may refer to multiple devices configured to perform one or more functions. For example, in some distributed systems, each of multiple different devices (which may be located in the same geographical location or different geographical locations) may be configured to perform at least a portion of a function, or to repeatedly perform at least a portion of that function, and the term "base station" or "network node" may refer to any one or more of these different devices. In some aspects, the term "base station" or "network node" may refer to one or more virtual base stations or one or more virtual base station functions. For example, in some aspects, two or more base station functions can be instantiated on a single device. In some aspects, the term "base station" or "network node" may refer to one base station function rather than another. Thus, a single device can include more than one base station.

[0048] Wireless network 100 may include one or more relay stations. A relay station is a network node that receives data transmissions from an upstream node (e.g., network node 110 or UE 120) and transmits the data to a downstream node (e.g., UE 120 or network node 110). A relay station may be a UE 120 that can relay transmissions to other UE 120s. Figure 1 In the example shown, network node 110d (e.g., a relay network node) can communicate with network node 110a (e.g., a macro network node) and UE 120d to facilitate communication between network node 110a and UE 120d. The network node 110 for relay communication may be referred to as a relay station, relay base station, relay network node, relay node, or relay, etc.

[0049] The wireless network 100 can be a heterogeneous network, comprising different types of network nodes 110, such as macro network nodes, pico network nodes, femto network nodes, or relay network nodes. These different types of network nodes 110 may have different transmit power levels, different coverage areas, or different effects on interference in the wireless network 100. For example, macro network nodes may have high transmit power levels (e.g., 5 watts to 40 watts), while pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (e.g., 0.1 watts to 2 watts).

[0050] Network controller 130 may be coupled to or communicate with a group of network nodes 110, and may provide coordination and control for these network nodes 110. Network controller 130 may communicate with network nodes 110 via a backhaul or midhaul link. Network nodes 110 may communicate directly with each other, or indirectly via a wireless or wired backhaul link. In some aspects, network controller 130 may be a CU or a core network device, or may include a CU or a core network device.

[0051] UE 120 may be distributed throughout the wireless network 100, and each UE 120 may be stationary or mobile. UE 120 may include, for example, an access terminal, a terminal, a mobile station, or a subscriber unit. UE 120 may be a cellular phone (e.g., a smartphone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet computer, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smartwatch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or smart bracelet)), an entertainment device (e.g., a music device, a video device, or a satellite radio), an in-vehicle component or sensor, a smart meter / sensor, industrial manufacturing equipment, a GPS device, a UE function of a network node, or any other suitable device configured to communicate via wireless or wired media.

[0052] Some UEs 120 may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs. MTC UEs or eMTC UEs may include, for example, robots, unmanned aerial vehicles, remote devices, sensors, meters, monitors, or location markers that can communicate with network nodes, another device (e.g., a remote device), or some other entity. Some UEs 120 may be considered Internet of Things (IoT) devices or may be implemented as NB-IoT (Narrowband IoT) devices. Some UEs 120 may be considered customer premises equipment. UEs 120 may be included within a housing that houses the components of the UE 120, such as processor components or memory components. In some examples, the processor components and memory components may be coupled together. For example, the processor components (e.g., one or more processors) and memory components (e.g., memory) may be operatively coupled, communicatively coupled, electronically coupled, or electrically coupled.

[0053] Generally, any number of wireless networks 100 can be deployed in a given geographical area. Each wireless network 100 can support a specific RAT and can operate on one or more frequencies. A RAT can also be referred to as a radio technology or air interface. A frequency can also be referred to as a carrier or frequency channel. Each frequency can support a single RAT in a given geographical area to avoid interference between wireless networks using different RATs. In some cases, NR or 5G RAT networks can be deployed.

[0054] In some examples, two or more UEs 120 (e.g., shown as UE 120a and UE 120e) may communicate directly using one or more sidelink channels (e.g., without using network node 110 as an intermediary for communication with each other). For example, UEs 120 may communicate using peer-to-peer (P2P) communication, device-to-device (D2D) communication, vehicle-to-everything (V2X) protocols (e.g., which may include vehicle-to-vehicle (V2V) protocols, vehicle-to-infrastructure (V2I) protocols, or vehicle-to-pedestrian (V2P) protocols), or mesh networks. In such examples, UEs 120 may perform scheduling operations, resource selection operations, or other operations described elsewhere herein as being performed by network node 110.

[0055] In some examples, UE 120 (e.g., shown as UE 120a) may communicate indirectly with a network node (e.g., shown as network node 110a) via RIS 170. For example, RIS 170 may receive communications from network node 110 and forward, reflect, relay, or otherwise retransmit communications to UE 120, or vice versa. Although some aspects are described herein with reference to RIS, other types of repeaters, repeaters, or reflectors are conceivable.

[0056] Devices in Wireless Network 100 can communicate using the electromagnetic spectrum, which can be subdivided into various categories, bands, or channels by frequency or wavelength. For example, devices in Wireless Network 100 can communicate using one or more operating bands. In 5G NR, two initial operating bands have been designated as frequency ranges FR1 (410MHz to 7.125GHz) and FR2 (24.25GHz to 52.6GHz). Although a portion of FR1 is greater than 6GHz, in various documents and articles, FR1 is often (interchangeably) referred to as the “sub-6GHz” band. Similar naming issues sometimes occur with FR2, which is often (interchangeably) referred to in documents and articles as the “millimeter wave” band, although this is different from the Extremely High Frequency (EHF) band (30GHz to 300GHz) designated as a “millimeter wave” band by the International Telecommunication Union (ITU).

[0057] The frequencies between FR1 and FR2 are generally referred to as mid-band frequencies. Recent 5G NR studies have designated the operating bands for these mid-band frequencies as the frequency range designation FR3 (7.125 GHz to 24.25 GHz). Bands falling within FR3 can inherit FR1 or FR2 characteristics, thus effectively extending the features of FR1 or FR2 into the mid-band frequencies. Additionally, higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6 GHz. For example, three higher operating frequency bands have been designated as the frequency range designations FR4a or FR4-1 (52.6 GHz to 71 GHz), FR4 (52.6 GHz to 114.25 GHz), and FR5 (114.25 GHz to 300 GHz). Each of these higher frequency bands falls within the EHF band.

[0058] In light of these examples, unless otherwise specifically stated, the term "below 6 GHz" as used herein can broadly refer to frequencies less than 6 GHz, frequencies within FR1, or frequencies that may include intermediate frequency bands. Furthermore, unless otherwise specifically stated, the term "millimeter wave" as used herein can broadly refer to frequencies that may include intermediate frequency bands, frequencies within FR2, FR4, FR4-a, FR4-1, or FR5, or frequencies within the EHF band. It is conceivable that the frequencies included in these operating frequency bands (e.g., FR1, FR2, FR3, FR4, FR4-a, FR4-1, or FR5) can be modified, and the techniques described herein are applicable to those modified frequency ranges.

[0059] In some aspects, network node 110 may include communication manager 150. As described in more detail elsewhere herein, communication manager 150 may send information identifying a RIS configuration, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and communicate with the UE via the RIS and using the RIS configuration. Additionally or alternatively, communication manager 150 may perform one or more other operations described herein.

[0060] In some aspects, the RIS 170 may include a communication manager 172. As described in more detail elsewhere herein, the communication manager 172 may receive information from a network node identifying a RIS configuration, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and may use the RIS configuration to forward one or more communications between the network node and the UE. Additionally or alternatively, the communication manager 172 may perform one or more other operations described herein.

[0061] In some aspects, UE 120 may include a communication manager 140. As described in more detail elsewhere herein, the communication manager 140 may receive, from and via a network node, information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression; and communicate with the network node via the RIS using the one or more power control configuration parameters. Additionally or alternatively, the communication manager 140 may perform one or more other operations described herein.

[0062] As indicated above, Figure 1 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 1 The examples described are different.

[0063] Figure 2 This is a diagram illustrating an example 200 of communication between network node 110 and UE 120 in a wireless network 100. In some examples, network node 110 may communicate with UE 120 via RIS 170. Network node 110 may be equipped with a set of antennas 234a to 234t, such as... T One antenna ( T ≥1). UE 120 (or RIS 170) may be equipped with a set of antennas 252a to 252r, such as R One antenna ( R ≥1). Although some components are described herein based on their inclusion in UE 120, it is contemplated that some, all, additional, or different components described herein may be included in RIS 170. Network node 110 of Example 200 includes one or more radio frequency components, such as antenna 234 and modem 232. In some examples, network node 110 may include an interface, communication components, or another component facilitating communication with UE 120 or another network node. Some network node 110 may not include radio frequency components facilitating direct communication with UE 120, such as one or more CUs or one or more DUs.

[0064] At network node 110, transmitting processor 220 can receive data from data source 212 intended for use by UE 120 (or a group of UEs 120). Transmitting processor 220 can use one or more Channel Quality Indicators (CQIs) received from UE 120 to select one or more modulation and decoding schemes (MCSs) for that UE 120. Network node 110 can use the MCS selected for UE 120 to process (e.g., encode and modulate) the data for UE 120 and can provide data symbols to UE 120. Transmitting processor 220 can process system information (e.g., semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, or upper-layer signaling) and provide overhead symbols and control symbols. Transmitting processor 220 can generate reference symbols for reference signals (e.g., cell-specific reference signals (CRS) or demodulation reference signals (DMRS)) and synchronization signals (e.g., primary synchronization signal (PSS) or secondary synchronization signal (SSS)). The transmit (TX) multiple-input multiple-output (MIMO) processor 230 can perform spatial processing (e.g., pre-decoding) on ​​data symbols, control symbols, overhead symbols, or reference symbols (if applicable), and can direct to a corresponding set of modems 232 shown as modems 232a to 232t (e.g., T A set of output symbol streams (e.g., modems) is provided by a modem. T Each output symbol stream can be provided to a modulator component (shown as MOD) of modem 232. Each modem 232 can use a corresponding modulator component to process the corresponding output symbol stream (e.g., for OFDM) to obtain an output sample stream. Each modem 232 can also use a corresponding modulator component to process (e.g., convert to analog, amplify, filter, or upconvert) the output sample stream to obtain a downlink signal. Modems 232a to 232t can be connected via a corresponding set of antennas 234 (e.g., T Each antenna (shown as antennas 234a to 234t) is used to transmit a set of downlink signals (e.g., T (One downlink signal).

[0065] At UE 120 (and / or RIS 170), a set of antennas 252 (shown as antennas 252a to 252r) can receive downlink signals from network node 110 or other network node 110, and can transmit signals to a set of modems 254 (e.g., R Each modem (shown as modems 254a to 254r) provides a set of received signals (e.g., REach received signal may be provided to a demodulator component (shown as DEMOD) of modem 254. Each modem 254 may use a corresponding demodulator component to condition (e.g., filter, amplify, down-convert, or digitize) the received signal to obtain an input sample. Each modem 254 may use a demodulator component to further process the input sample (e.g., for OFDM) to obtain a received symbol. MIMO detector 256 may obtain the received symbols from modem 254, perform MIMO detection on the received symbols where applicable, and provide the detected symbols. Receiver processor 258 may process (e.g., demodulate and decode) the detected symbols, provide the decoded data for UE 120 to data sink 260, and provide the decoded control information and system information to controller / processor 280. The term "controller / processor" may refer to one or more controllers, one or more processors, or a combination thereof. The channel processor may determine Reference Signal Received Power (RSRP) parameters, Received Signal Strength Indicator (RSSI) parameters, Reference Signal Received Quality (RSRQ) parameters, or CQI parameters, etc. In some examples, one or more components of UE 120 may be included in housing 284.

[0066] Network controller 130 may include communication unit 294, controller / processor 290, and memory 292. Network controller 130 may include one or more devices, such as those in a core network. Network controller 130 may communicate with network node 110 via communication unit 294.

[0067] One or more antennas (e.g., antennas 234a to 234t or antennas 252a to 252r) may include or be included in the following: one or more antenna panels, one or more antenna groups, one or more collections of antenna elements, or one or more antenna arrays, etc. Antenna panels, antenna groups, collections of antenna elements, or antenna arrays may include one or more antenna elements (within a single housing or multiple housings), coplanar antenna element collections, non-coplanar antenna element collections, or coupled to one or more transmitting or receiving components (such as...). Figure 2 One or more antenna elements (one or more components).

[0068] On the uplink, at UE 120, transmit processor 264 can receive and process data from data source 262 and control information (e.g., reports including RSRP, RSSI, RSRQ, or CQI) from controller / processor 280. Transmit processor 264 can generate reference symbols for one or more reference signals. Symbols from transmit processor 264 may be pre-decoded by TX MIMO processor 266 where applicable, further processed by modem 254 (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to network node 110. In some examples, modem 254 of UE 120 may include a modulator and demodulator. In some examples, UE 120 includes a transceiver. The transceiver may include antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, or any combination of TX MIMO processor 266. The transceiver may be used by processor (e.g., controller / processor 280) and memory 282 to perform textual (e.g., reference) functions. Figures 7 to 14 ( ) any aspect of the process described in the process.

[0069] At network node 110, uplink signals from UE 120 or other UEs may be received by antenna 234, processed by modem 232 (e.g., demodulator component of modem 232, shown as DEMOD), detected by MIMO detector 236 where applicable, and further processed by receiver processor 238 to obtain decoded data and control information transmitted via UE 120. Receiver processor 238 may provide the decoded data to data sink 239 and the decoded control information to controller / processor 240. Network node 110 may include communication unit 244 and may communicate with network controller 130 via communication unit 244. Network node 110 may include scheduler 246 to schedule one or more UEs 120 for downlink or uplink communication. In some examples, modem 232 of network node 110 may include modulator and demodulator. In some examples, network node 110 includes transceiver. The transceiver may include any combination of antenna 234, modem 232, MIMO detector 236, receive processor 238, transmit processor 220, or TX MIMO processor 230. The transceiver may be used by a processor (e.g., controller / processor 240) and memory 242 to execute this document (e.g., reference). Figures 7 to 14 ( ) any aspect of the process described in the process.

[0070] In some respects, the controller / processor 280 may be a component of a processing system. A processing system can typically be a system or a series of machines or components that receive input and process it to produce output (which may be passed to other systems or components, such as UE 120). For example, the processing system of UE 120 may be a system that includes various other components or sub-components of UE 120.

[0071] The processing system of UE 120 can interface with one or more other components of UE 120, and can process information (such as input or signals) received from one or more other components, or can output information to one or more other components. For example, the chip or modem of UE 120 may include a processing system, a first interface for receiving or acquiring information, and a second interface for outputting, transmitting, or providing information. In some examples, the first interface may be an interface between the processing system of the chip or modem and a receiver, allowing UE 120 to receive information or signal input and to pass information to the processing system. In some examples, the second interface may be an interface between the processing system of the chip or modem and a transmitter, allowing UE 120 to transmit information output from the chip or modem. Those skilled in the art will readily recognize that the second interface may also acquire or receive information or signal input, and the first interface may also output, transmit, or provide information.

[0072] In some respects, controller / processor 240 may be a component of a processing system. A processing system may typically be a system or a series of machines or components that receive input and process the input to produce output (which may be passed to other systems or components, such as network node 110). For example, the processing system of network node 110 may be a system that includes various other components or sub-components of network node 110.

[0073] The processing system of network node 110 may interface with one or more other components of network node 110, and may process information (such as input or signals) received from one or more other components, or may output information to one or more other components. For example, the chip or modem of network node 110 may include a processing system, a first interface for receiving or acquiring information, and a second interface for outputting, transmitting, or providing information. In some examples, the first interface may be an interface between the processing system of the chip or modem and a receiver, allowing network node 110 to receive information or signal input and to pass information to the processing system. In some examples, the second interface may be an interface between the processing system of the chip or modem and a transmitter, allowing network node 110 to transmit information output from the chip or modem. Those skilled in the art will readily recognize that the second interface may also acquire or receive information or signal input, and the first interface may also output, transmit, or provide information.

[0074] The controller / processor 240 of network node 110, the controller / processor 280 of UE 120, or Figure 2 Any other component may perform one or more techniques associated with repeater interference management, as described in more detail elsewhere in this document. For example, the controller / processor 240 of network node 110, the controller / processor 280 of UE 120 or RIS 170, or... Figure 2 Any other component (or combination of components) can perform or instruct, for example Figure 9 The process 900 Figure 10 Process 1000 Figure 11 The operation of process 1100 and / or other processes as described herein. Memory 242 and memory 282 may store data and program code for network node 110 and UE 120, respectively. In some examples, memory 242 and memory 282 may include a non-transitory computer-readable medium storing one or more instructions (e.g., code or program code) for wireless communication. For example, the one or more instructions may cause the one or more processors, UE 120, or network node 110 to perform or direct, for example, when executed by one or more processors of network node 110 or UE 120 (e.g., directly, or after compilation, transformation, or interpretation). Figure 9 The process 900 Figure 10 Process 1000 Figure 11 The operation of process 1100 and / or other processes as described herein. In some examples, the execution instructions may include run instructions, transformation instructions, compilation instructions, and / or interpretation instructions, etc.

[0075] In some aspects, network node 110 includes components for sending information identifying the RIS configuration to the RIS, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and / or components for communicating with the UE via the RIS and using the RIS configuration. Components for network node 110 to perform the operations described herein may include, for example, one or more of the following: communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller / processor 240, memory 242, or scheduler 246.

[0076] In some aspects, the RIS 170 includes components for receiving information identifying the RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and / or components for using the RIS configuration to forward one or more communications between the network node and the UE. In some aspects, components for the RIS 170 to perform the operations described herein may include, for example, one or more of the following: a communication manager 172, an antenna 252, a modem 254, a MIMO detector 256, a receive processor 258, a transmit processor 264, a TX MIMO processor 266, a controller / processor 280, or a memory 282.

[0077] In some aspects, UE 120 includes components for receiving from a network node and via RIS 170 information identifying one or more power control configuration parameters for communicating with the network node via RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression; and / or components for communicating with the network node via RIS using one or more power control configuration parameters. Components for UE 120 to perform the operations described herein may include, for example, one or more of the following: communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller / processor 280, or memory 282.

[0078] Although Figure 2 The boxes in the diagram are illustrated as different components, but the functions described above with respect to these boxes may be implemented in a single hardware, software, or combined component, or in various combinations of components. For example, the functions described with respect to transmit processor 264, receive processor 258, and / or TX MIMO processor 266 may be performed by or under the control of controller / processor 280.

[0079] In some respects, individual processors can be described as performing all functions executed by the one or more processors. In other respects, the one or more processors can jointly perform a set of functions. For example, the processors of a first set (one or more) of the one or more processors can be described as performing a first function executed by the one or more processors, and the processors of a second set (one or more) of the one or more processors can be described as performing a second function executed by the one or more processors. The processors of the first set and the processors of the second set can be the same set of processors or can be different sets of processors. The reference to "one or more processors" should be understood as referring to a combination of processors. Figure 2Any one or more processors described. The reference to "one or more memories" should be understood to refer to any one or more memories of the corresponding device, such as those in conjunction with... Figure 2 The memory described. For example, a function described as being performed by one or more memories can be performed by the same subset of the one or more memories or by different subsets of the one or more memories.

[0080] As indicated above, Figure 2 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 2 The examples described are different.

[0081] Communication systems (such as 5G NR systems) can be deployed in various ways with a variety of components or parts. In a 5G NR system or network, network nodes, network entities, network mobility elements, RAN nodes, core network nodes, network elements, base stations, or network equipment can be implemented in a converged or decomposed architecture. For example, a base station (such as a Node B (NB), evolved NB (eNB), NR base station, 5G NB, access point (AP), TRP, or cell, etc.) or one or more units (or one or more components) that perform base station functions can be implemented as a converged base station (also known as a standalone base station or monolithic base station) or a decomposed base station. A "network entity" or "network node" can refer to a decomposed base station or one or more units of a decomposed base station (such as one or more CUs, one or more DUs, one or more RUs, or combinations thereof).

[0082] Aggregated base stations (e.g., aggregated network nodes) can be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (e.g., within a single device or cell). Decomposed base stations (e.g., decomposed network nodes) can be configured to utilize a protocol stack that is physically or logically distributed across two or more cells (such as one or more CUs, one or more DUs, or one or more RUs). In some examples, the CU may be implemented within a network node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed across one or more other network nodes. DUs may be implemented to communicate with one or more RUs. Each of the CU, DU, and RU may also be implemented as a virtual cell, such as a Virtual Central Unit (VCU), a Virtual Distributed Unit (VDU), or a Virtual Radio Unit (VRU), etc.

[0083] Base station type operation or network design can take into account the aggregation characteristics of base station functionality. For example, decomposed base stations can be utilized in IAB networks, Open Radio Access Networks (O-RAN (such as network configurations initiated by the O-RAN Alliance)), or Virtualized Radio Access Networks (vRAN, also known as Cloud Radio Access Networks (C-RAN)) to facilitate the scaling of communication systems by separating base station functionality into one or more units that can be deployed independently. Decomposed base stations can include functionality implemented across two or more units at various physical locations, as well as functionality virtually implemented for at least one unit, which enables flexibility in network design. Each unit of a decomposed base station can be configured for wired or wireless communication with at least one other unit of the decomposed base station.

[0084] Figure 3 This is a diagram illustrating an example disaggregated base station architecture 300 according to this disclosure. The disaggregated base station architecture 300 may include a CU 310, which may communicate directly with the core network 320 via a backhaul link, or indirectly with the core network 320 via one or more disaggregated control units (such as near-RT RIC 325 via an E2 link, or a non-RT RIC 315 associated with a Service Management and Orchestration (SMO) framework 305, or both). The CU 310 may communicate with one or more DUs 330 via a corresponding midhaul link (such as via an F1 interface). Each DU 330 may communicate with one or more RUs 340 via a corresponding fronthaul link. Each RU 340 may communicate with one or more UEs 120 via a corresponding radio frequency (RF) access link. In some examples, a UE 120 may be served simultaneously by multiple RUs 340. In some examples, a UE 120 may communicate with RUs 340 via a RIS 170.

[0085] Each unit in the cells (including CU 310, DU 330, RU 340), as well as the near-RT RIC 325, non-RT RIC 315, and SMO frame 305, may include or be coupled to one or more interfaces configured to receive or transmit signals, data, or information (collectively, signals) via wired or wireless transmission media. Each unit in the cell, or an associated processor or controller providing instructions to one or more communication interfaces of the corresponding unit, may be configured to communicate with one or more units in other cells via transmission media. In some examples, each unit in the cell may include a wired interface and a wireless interface configured to receive signals or transmit signals to one or more units in other cells via a wired transmission media, and the wireless interface may include a receiver, transmitter, or transceiver (such as an RF transceiver) configured to receive signals or transmit signals to one or more units in other cells via a wireless transmission media, or both.

[0086] In some aspects, the CU 310 can host one or more higher-level control functions. Such control functions may include Radio Resource Control (RRC) functions, Packet Data Convergence Protocol (PDCP) functions, or Service Data Adaptation Protocol (SDAP) functions, etc. Each control function can be implemented using an interface configured to signal to other control functions hosted by the CU 310. The CU 310 can be configured to handle user plane functions (e.g., Central Unit-User Plane (CU-UP) functions), control plane functions (e.g., Central Unit-Control Plane (CU-CP) functions), or combinations thereof. In some implementations, the CU 310 can be logically divided into one or more CU-UP units and one or more CU-CP units. When implemented in an O-RAN configuration, the CU-UP units can communicate bidirectionally with the CU-CP units via an interface such as an E1 interface. The CU 310 can be implemented to communicate with the DU 330 for network control and signaling purposes, as needed.

[0087] Each DU 330 may correspond to a logical unit comprising one or more base station functions for controlling the operation of one or more RU 340s. In some aspects, the DU 330 may host one or more of the Radio Link Control (RLC) layer, Medium Access Control (MAC) layer, and one or more high physical (PHY) layers, at least in part, according to functional splits (such as those defined by 3GPP). In some aspects, the one or more high PHY layers may be implemented by one or more modules for forward error correction (FEC) encoding and decoding, scrambling, and modulation and demodulation. In some aspects, the DU 330 may also host one or more low PHY layers, such as those implemented by one or more modules for Fast Fourier Transform (FFT), Inverse FFT (iFFT), Digital Beamforming, or Physical Random Access Channel (PRACH) extraction and filtering. Each layer (which may also be referred to as a module) may be implemented using an interface configured to communicate signals with other layers (and modules) hosted by the DU 330 or with control functions hosted by the CU 310.

[0088] Each RU 340 can implement lower-layer functionality. In some deployments, an RU 340 controlled by a DU 330 can correspond to a logical node that hosts RF processing functions or low-PHY layer functions, such as performing FFT, performing iFFT, digital beamforming, or PRACH extraction and filtering, based on function splitting (e.g., function splitting defined by 3GPP) (such as lower-layer function splitting). In such architectures, each RU 340 can be operated to handle over-the-air (OTA) communications with one or more UEs 120. In some specific implementations, the real-time and non-real-time aspects of communication with the control plane and user plane of the RU 340 can be controlled by the corresponding DU 330. In some scenarios, this configuration allows each DU 330 and CU 310 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture.

[0089] The SMO framework 305 can be configured to support RAN deployment and provisioning of both non-virtualized and virtualized network elements. For non-virtualized network elements, the SMO framework 305 can be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which can be managed via operation and maintenance interfaces such as the O1 interface. For virtualized network elements, the SMO framework 305 can be configured to interact with cloud computing platforms such as the Open Cloud (O-Cloud) platform 390 to perform network element lifecycle management (such as instantiating virtualized network elements) via cloud computing platform interfaces such as the O2 interface. Such virtualized network elements may include, but are not limited to, CU 310, DU 330, RU 340, non-RT RIC 315, and near-RTTRIC 325. In some specific implementations, the SMO framework 305 may communicate with 4G RAN hardware aspects such as the Open eNB (O-eNB) 311 via the O1 interface. Additionally, in some implementations, the SMO framework 305 can communicate directly with each of one or more RUs 340 via a corresponding O1 interface. The SMO framework 305 may also include a non-RT RIC 315 configured to support the functionality of the SMO framework 305.

[0090] The non-RT RIC 315 can be configured to include logical functions that enable non-real-time control and optimization of RAN elements and resources, including artificial intelligence / machine learning (AI / ML) workflows for model training and updates, or policy-based guidance for applications / features in the near-RT RIC 325. The non-RT RIC 315 can be coupled to or communicate with the near-RT RIC 325, such as via an A1 interface. The near-RT RIC 325 can be configured to include logical functions that enable near real-time control and optimization of RAN elements and resources via an interface, such as an E2 interface, through data collection and actions, connecting one or more CU 310s, one or more DU 330s, or both, and O-eNBs to the near-RT RIC 325.

[0091] In some implementations, to generate AI / ML models to be deployed in the near-RT RIC 325, the non-RT RIC 315 may receive parameters or external enrichment information from an external server. This information can be utilized by the near-RT RIC 325 and can be received from non-network data sources or network functions at the SMO framework 305 or the non-RT RIC 315. In some examples, the non-RT RIC 315 or the near-RT RIC 325 may be configured to tune RAN behavior or performance. For example, the non-RT RIC 315 may monitor long-term trends and patterns in performance and employ AI / ML models to perform corrective actions via the SMO framework 305 (such as reconfiguration via the O1 interface) or via the creation of RAN management policies (such as A1 interface policies).

[0092] As indicated above, Figure 3 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 3 The examples described are different.

[0093] Figure 4 This is a diagram illustrating an example of a repeater 400 according to the present disclosure. In some examples, the repeater 400 may be a millimeter-wave repeater. In some examples, the repeater 400 may correspond to... Figure 1 The RIS 170 shown. (As shown) Figure 4 As shown, repeater 400 may include one or more antenna arrays 410-1 to 410-N (N>1), gain component 420, controller 430, communication component 440, and multiplexer (MUX) and / or demultiplexer (DEMUX) (MUX / DEMUX) 450.

[0094] Antenna array 410 includes multiple antenna elements that can be configured for beamforming. For example, antenna array 410 may be referred to as a phased array because the phase values ​​and / or phase shifts of the antenna elements can be configured to form a beam, where different phase values ​​and / or phase shifts are used for different beams (e.g., in different directions). In some aspects, antenna array 410 may be a fixed receive (RX) antenna array capable only of receiving communication and not transmitting communication. In some examples, antenna array 410 may be a fixed transmit (TX) antenna array capable only of transmitting communication and not receiving communication. In some examples, antenna array 410 may be configured to act as either an RX antenna array or a TX antenna array (e.g., via a TX / RX switch and / or a MUX / DEMUX). Antenna array 410 may be capable of communicating using millimeter waves.

[0095] Gain component 420 includes components capable of amplifying an input signal and outputting an amplified signal. For example, gain component 420 may include a power amplifier and / or a variable gain component. In some examples, gain component 420 may have variable gain control. Gain component 420 may be connected to an RX antenna array (e.g., a first antenna array 410-1) and a TX antenna array (e.g., a second antenna array 410-2) such that analog millimeter-wave signals received via the RX antenna array can be amplified by gain component 420 and output to the TX antenna array for transmission. In some examples, the amplification level of gain component 420 may be controlled by controller 430.

[0096] Controller 430 includes components capable of controlling one or more other components of repeater 400. For example, controller 430 may include a controller, microcontroller, and / or processor. In some examples, controller 430 may control gain component 420 by controlling the level of amplification or gain applied to the input signal by gain component 420. Additionally or alternatively, controller 430 may control antenna array 3 410 by controlling the beamforming configuration of antenna array 410 (e.g., one or more phase values ​​of antenna array 410, one or more phase offsets of antenna array 410, one or more power parameters of antenna array 410, one or more beamforming parameters of antenna array 410, TX beamforming configuration, and / or RX beamforming configuration), by controlling whether antenna array 410 acts as an RX antenna array or a TX antenna array (e.g., by configuring the interaction and / or connection between antenna array 410 and MUX / DEMUX 450). Additionally or alternatively, controller 430 may power on or off one or more components of repeater 400 (e.g., when network node 110 does not need to use the repeater to serve UE 120). In some examples, controller 430 may control the timing of one or more of the above configurations.

[0097] Communication component 440 may include components capable of wirelessly communicating with network node 110 using wireless technologies other than millimeter waves (e.g., via a control interface). For example, communication component 440 may communicate with network node 110 using personal area network (PAN) technologies (e.g., Bluetooth or Bluetooth Low Energy (BLE)), 4G or LTE radio access technologies, narrowband Internet of Things (NB-IoT) technologies, sub-6 GHz technologies, visible light communication technologies, etc. In some examples, communication component 440 may use lower frequency communication technologies, and antenna array 410 may use higher frequency communication technologies (e.g., millimeter waves). In some examples, antenna array 410 may be used to transmit data between repeater 400 and network node 110, and communication component 440 may be used to transmit control information (e.g., reporting, configuration, and / or instructions for powering on or off one or more components) between repeater 400 and network node 110.

[0098] The MUX / DEMUX 450 can be used to multiplex and / or demultiplex communications received from and / or sent to the antenna array 410. For example, the MUX / DEMUX 450 can be used to switch the RX antenna array to the TX antenna array.

[0099] In some examples, repeater 400 does not include any components for digital signal processing. For example, in some examples, repeater 400 does not include a digital signal processor, baseband processor, digital-to-analog converter (DAC), and / or analog-to-digital converter (ADC). In this way, the cost of manufacturing repeater 400 can be reduced. Furthermore, latency can be reduced by eliminating digital processing of the received millimeter-wave signal before transmitting the corresponding amplified millimeter-wave signal.

[0100] In some examples, one or more antenna arrays 410, gain components 420, controllers 430, communication components 440, and / or MUX / DEMUX 450 may perform one or more techniques associated with communicating with and / or configuring the repeater, as described in more detail elsewhere herein. For example, one or more components of repeater 400 may perform or direct, for example... Figure 10 The process 1000 operates. In some examples, repeater 400 includes a transceiver. The transceiver may include any combination of antenna array 410, gain component 420, controller 430, communication component 440, MUX / DEMUX 450, and / or memory. The transceiver may be used by a processor (e.g., controller 430) and memory to perform the operations described herein (e.g., as referenced). Figure 10Examples of any method described. In some examples, the memory may include a non-transitory computer-readable medium storing one or more instructions for wireless communication. For example, the one or more instructions may be executable or instruct, for example, when executed by one or more processors of repeater 400 (e.g., directly or after compilation, translation, and / or interpretation). Figure 10 The process involves 1000 operations. In some examples, the execution instructions may include run instructions, transform instructions, compile instructions, and / or interpret instructions.

[0101] In some examples, repeater 400 may include components for receiving information identifying a RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; components for using the RIS configuration to forward one or more communications between the network node and the UE; and so on. In some examples, such components may include combinations of... Figure 4 One or more components of the described repeater 400, such as one or more antenna arrays 410, gain components 420, controller 430, communication components 440 and / or MUX / DEMUX 4.

[0102] As indicated above, Figure 4 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 4 The described examples differ. For example, repeater 400 may include... Figure 4 The components shown are compared to additional components, fewer components, different components, or components arranged differently. Furthermore, Figure 4 The two or more components shown can be implemented within a single component, or Figure 4 The single component shown can be implemented as multiple components. Additionally or alternatively, a set of components of repeater 400 (e.g., one or more components) can perform one or more functions described as being performed by another set of components of repeater 400.

[0103] Figure 5 This is a diagram illustrating example 500 of communication using a repeater according to this disclosure.

[0104] Because millimeter-wave communication has a higher frequency and shorter wavelength compared to other types of radio waves used for communication (e.g., sub-6 GHz communication), it can have a shorter propagation distance and may be more easily blocked by obstacles than other types of radio waves. For example, wireless communication using sub-6 GHz radio waves can penetrate the walls of buildings or structures to provide coverage from a network node 110 communicating using sub-6 GHz radio waves to an area on the opposite side of that wall. However, millimeter waves may not be able to penetrate the same wall (e.g., depending on the thickness of the wall and / or the materials that make up the wall). Some of the techniques and apparatus described herein use a repeater 502 (which in... Figure 5 The example includes repeaters 502a and 502b) to increase the coverage area of ​​network node 110 and / or extend coverage to UE 120 (which, due to obstacles, has no line of sight to network node 110) Figure 5 Examples include UE 120a and UE 120b. In some examples, repeater 502 may correspond to RIS 170.

[0105] For example, such as Figure 5 As illustrated in the example, an obstacle between UE 120b and network node 110 obstructs the link between network node 110 and UE 120b or otherwise degrades the quality of that link. Similarly, an obstacle between UE 120b and repeater 502a obstructs the link between repeater 502a and UE 120b or otherwise degrades the quality of that link. However, it is possible that there are no obstacles or few obstacles between repeater 502b and UE 120b, and therefore, communication between repeater 502b and UE 120b will have higher quality than communication between network node 110 and UE 120b or between repeater 502a and UE 120b. Furthermore, the repeater 502 described herein may be a Layer 1 or analog repeater, which is associated with lower cost, less processing, and lower latency compared to Layer 2 or Layer 3 repeaters.

[0106] Repeater 502 (sometimes referred to herein as repeater 502) can perform directional communication by using beamforming to communicate with network node 110 via a first beam pair (e.g., a backhaul beam pair on the backhaul link with network node 110) and with UE 120 via a second beam pair (e.g., an access beam pair on the access link with UE 120). For example, in example 500, repeater 502a can communicate with network node 110 via the first beam pair and with UE 120a via the second beam pair. Similarly, repeater 502b can communicate with network node 110 via the first beam pair and with UE 120a via the second beam pair. A beam pair may refer to a transmit (Tx) beam used by a first device to transmit information and a receive (Rx) beam used by a second device to receive information transmitted by the first device via the Tx beam.

[0107] As shown by reference numeral 505, network node 110 may use a beam scanning process to transmit communication over time via multiple beams (e.g., using time division multiplexing (TDM)). As shown by reference numeral 510, repeater 502a may receive communication via its Rx beam. As shown by reference numeral 515, repeater 502a may relay each received communication via multiple Tx beams (e.g., using TDM). As used herein, relaying communication may refer to (e.g., after amplifying the received communication) transmitting the received communication without decoding the received communication and / or without modifying the information carried in the received communication. Alternatively, relaying received communication may refer to transmitting the received communication after decoding the received communication and / or modifying the information carried in the received communication. In some aspects, different time resources, different frequency resources, and / or different spatial resources (e.g., different beams) can be used to relay the received communication to transmit it, compared to the time resources, frequency resources, and / or spatial resources in which the communication is received. As shown by reference numeral 520, UE 120a can receive the relayed communication. In some aspects, UE 120a can generate communication to be transmitted to network node 110. UE 120a can then send the communication to repeater 502a for relay to network node 110.

[0108] As indicated above, Figure 5 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 5 The examples described are different.

[0109] Figure 6 This is an example diagram 600 / 600' illustrating a beam pattern for communication using a repeater according to this disclosure.

[0110] As shown in Examples 600 / 600', network node 110 may have one or more communication links with RIS 170. For example, network node 110 may communicate with RIS controller 602 via control link 650. Additionally or alternatively, network node 110 may transmit (or receive) signals to RIS array 604 via directional link 652 (e.g., for redirected communication to UE (not shown). When the network node transmits beam 660 to RIS array 604, beam 660 may have a main lobe pointing from the network node to RIS array 604. Network node 110 may use a relatively high level of gain in the desired direction and at a configured operating frequency to improve communication and / or sensing performance (e.g., relative to using a lower level of gain). As described above, transmitting a directional beam may result in the injection of interference along one or more undesired directions, which may disrupt communication and cause sensing errors. As shown in Example 600, the reflected beam pattern 662 may include a dominant main lobe and side lobes, with a large amount of transmitted power in the side lobes that causes interference.

[0111] As shown in Example 600', when tapering is applied, sidelobes in the reflected beam pattern 662' can be suppressed (e.g., producing more uniformly distributed reflected signal interference), but this may result in gain loss and main lobe widening, which degrades communication and / or sensing performance. Tapering may include manipulation or configuration of the amplitude contribution of individual elements to the overall antenna response of the RIS array 604. Examples of tapering techniques include Tseng-Cheng-Chebyshev tapering and Dolph-Chebyshev tapering. Network node 110 may transmit at high power levels in an attempt to overcome gain loss and main lobe widening, but communication and / or sensing performance may still not be optimal. UEs (not shown) transmitting to network node 110 may not be able to transmit at sufficiently high power levels to avoid injected interference and / or overcome the gain reduction due to tapering. Furthermore, amplitude control may not be possible at some RIS locations to enable the application of tapering. Jitter can be applied to static RIS control by introducing random phase offsets; however, the amount of SLL suppression achieved in such techniques may be at least partially based on the size of the RIS array, thus reducing its applicability to all types of RIS.

[0112] As indicated above, Figure 6 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 6 The descriptions are different.

[0113] Some aspects described herein can implement SLL suppression in communication systems that use a RIS for relaying communication between other devices (e.g., UEs and network nodes). For example, the RIS can apply amplitude taper at its operating frequency using a relatively small reflection coefficient alphabet. Additionally or alternatively, the RIS can suppress SLL by using jitter, at least partially based on time offset, to diffuse reflected signal energy. In some aspects, the network node can configure a parameterized codebook to the RIS that provides SLL suppression at different center frequencies. In some aspects, the network node and the RIS can communicate to set up the RIS configuration, where taper or other SLL suppression techniques are configured. In some aspects, the network node can set up taper for the RIS. In some aspects, the UE can be configured to interpret a set of power control commands to mitigate interference-related issues at the RIS. In this way, by enabling RIS configuration and / or UE command interpretation, as described in more detail herein, devices in the network can communicate with reduced interference caused by the sidelobes of the RIS beam.

[0114] Figure 7 This is a diagram illustrating example 700 related to repeater interference management according to this disclosure. (See diagram for example...) Figure 7 As shown, Example 700 includes communication between network node 110, RIS 170 and UE 120.

[0115] like Figure 7 Further, as shown by reference numeral 705, network node 110 may configure RIS 170. For example, network node 110 may send configuration information to RIS 170 to instruct RIS 170 on RIS configurations to be used for redirecting communication between network node 110 and UE 120. In some aspects, network node 110 may send configuration information to UE 120. For example, network node 110 may send configuration information directly to UE 120 or indirectly to UE 120 (e.g., via RIS 170). In this case, the configuration information may instruct UE 120 on one or more parameters to be used for receiving communication from network node 110 via RIS 170 or sending communication to network node 110 via RIS 170.

[0116] In some aspects, network node 110 may be configured with multiple parameterized codebooks for communication via RIS 170. For example, the codebook may include one or more codewords (e.g., RIS configuration), and the codebook may be parameterized or identifiable by a set of identifiers. This set of identifiers may include the SLL suppression amount at the center frequency, the difference between the peak gain and the maximum sidelobe gain along the desired direction at the center frequency (e.g., in decibels (dB)), or a set of codewords within the codebook. Additionally or alternatively, this set of identifiers may include frequency separation of one or more frequency harmonics from the center frequency, the peak gain of reflected signal interference injected into one or more frequency harmonics, or gain values ​​(e.g., absolute gain values ​​or differential gain values ​​relative to the peak gain at the center frequency), and so on.

[0117] In some aspects, the set of parameterized codebooks that network node 110 selects for configuring the RIS configuration of RIS 170 may be network node-specific. For example, a network entity may configure a codebook set to network node 110 and may configure a different codebook set to another network node. In this case, network node 110 is configured with a specific codebook set at least in part based on the target incident signal direction and / or the distance to RIS 170. In some aspects, network node 110 may determine the codebook set or create (or assign) a correspondence between codebooks (from which it selects the RIS configuration for configuring RIS 170) at least in part based on spatial quasi-co-location (QCL) parameters. For example, the association between codewords from different codebooks may indicate the corresponding beam pointing (e.g., main lobe peak gain) direction of the different codebooks (e.g., within the neighborhood (threshold range) of the angular direction).

[0118] Based at least in part on the fact that network node 110 is configured with multiple codebooks and selects codebooks and codewords from these codebooks, network node 110 may send signaling to RIS 170 (e.g., to the RIS controller) to identify the selected codebook and the selected codeword from the selected codebook. RIS 170 may identify the selected codebook and the selected codeword, and configure one or more parameters, such as one or more weights or offsets applied to different antenna elements of RIS 170, based at least in part on the selected codebook and the selected codeword. In some aspects, network node 110 and RIS 170 may complete a negotiation process to determine the codebook and codeword. For example, as... Figure 8 As described in more detail, network node 110 can indicate a set of parameters, receive feedback identifying possible codebooks, determine whether the codewords of the codebooks in the possible codebooks meet the requirements or threshold set, and can indicate the selected codewords of the selected codebook.

[0119] In some aspects, network node 110 may receive configuration information about RIS 170 (e.g., from a network entity) and may use the information about RIS 170 to configure RIS 170. For example, network node 110 may receive information identifying element groups of RIS antenna elements or group configurations associated therewith. Group configuration may include dividing RIS elements into one or more groups. Each element within a group may have the same applied controls (e.g., time-varying control parameters in each cycle, such as reflection coefficients, positive state duration and negative state duration, time offset, etc.). Additionally or alternatively, network node 110 may receive (e.g., as absolute or differential values ​​relative to periodic durations) an alphabet or codebook identifying the quantized time offset of the coefficients applied to the antenna elements of RIS 170 or an alphabet of the quantized (e.g., negative state) time duration. Additionally or alternatively, network node 110 may receive information identifying switching speed or dwell time constraints associated with the coefficients applied to the antenna elements of RIS 170. Based at least in part on the information received about the RIS 170, network node 110 may select a codebook for the RIS 170.

[0120] Additionally or alternatively, network node 110 may receive RIS capability information (e.g., from a network entity). For example, network node 110 may receive information identifying a reflection coefficient master table and a preset jitter mode for RIS 170. Additionally or alternatively, network node 110 may receive information identifying element packet capabilities and / or capabilities for one or more packet configurations. Additionally or alternatively, network node 110 may receive information identifying the alphabet used for quantizing time offsets and / or the alphabet used for quantization duration sets of applied coefficient sets. Additionally or alternatively, network node 110 may receive information identifying capabilities for switching speed or dwell time constraints.

[0121] In some aspects, network node 110 may send a RIS configuration that identifies a specific set of parameters for RIS 170. For example, network node 110 may send a RIS configuration that explicitly sets one or more parameters for time-varying periodic RIS control with amplitude tampering via unequal positive-negative state durations and time offsets (e.g., Tseng-Cheng-Chebyshev or Dolph-Chebyshev taper). In this case, the RIS configuration may include information identifying: codewords from a codebook, periodicity (e.g., periodic duration for applying time-varying control, etc.), grouping configuration (e.g., one or more groups of antenna elements to be applied with a common set of parameters or coefficients), time duration based on each group (e.g., negative state time duration from a quantization time duration codebook) (e.g., to achieve amplitude taper at the center frequency), or time offset based on each group (e.g., from a quantization time offset codebook) (e.g., to achieve jitter capability on harmonics).

[0122] As an example of time-varying periodic RIS control (which can be configured using RIS configuration), the RIS 170 can use time-varying control inputs. To control the reflection coefficient of each RIS element, where: ,

[0123] And among them t Indicates the time at which the time-varying control input is applied. t 0 Indicates the time offset. τ T represents the duration of the negative state of the control state. o Indicates the periodicity of the time-varying control state. a k It is the kth harmonic coefficient. f 0 =1 / T o It is a periodic frequency value, and j= It is an imaginary number. k Subharmonic coefficient a k It can be determined as:

[0124] in sinc(x) express sin(x) / x In this case, the reflection coefficient phase This is used to achieve beam pointing configuration direction at the operating frequency. For each RIS element, the same period T is selected. o However, for RIS components (p , q ) with different time offsets Duration of negative states Therefore, RIS elements ( p , q The effective time-varying reflectance coefficient can be expressed as: Furthermore, at the operating frequency (e.g., corresponding to the zeroth harmonic), amplitude control can be expressed as In this process, weighting (e.g., tapering) is applied to reduce sidelobe levels. In harmonics... Among them It refers to the operating frequency; the RIS 170 can utilize time offsets. Jitter control is applied. Therefore, the time-varying periodic RIS control of the reflected signal R(t) can be expressed as:

[0125] Where θ and It is the angle coefficient.

[0126] As an example of the tapered reflection coefficient that can be configured via RIS configuration, each RIS element ( p , q ) target tapered reflection coefficient This can be represented as a linear combination of coefficients representing the duration over which the corresponding reflection coefficient is applied in each cycle:

[0127] in Indicates the duration of time. Represents the reflection coefficient, and m This indicates the number of transitions (e.g., between states) to occur within each time period. Each selected element is derived from the reflection coefficient alphabet. It can have associated durations. ,in δ This indicates the establishment of time constraints, thereby limiting the number of switches to be performed in each time period. Additionally or alternatively, the duration can be constrained by a quantized alphabet, thereby constraining the target set of tapered reflection coefficients for the RIS 170's RIS element set. In some aspects, as described above, time offsets can be applied in conjunction with the tapered reflection coefficients. Although some aspects are described based on a set of equations or relations used to determine the coefficients, other methods are conceivable, such as a static configuration of the coefficient table or coefficient set.

[0128] Network node 110 may send a RIS configuration that explicitly sets one or more parameters for a set of constraints applied to the tapered reflection coefficient set. In this case, the RIS configuration may include information identifying the following: the periodicity of control (e.g., period duration), grouping configuration, the number of switches per group in each period, the ordered duration and reflection coefficient set of each group in each period, or the time offset set of each group.

[0129] In some aspects, network node 110 may configure UE 120 to consider RIS-assisted uplink (e.g., considering RIS 170 sending RIS configurations to be applied for uplink from UE 120). For example, network node 110 may configure a set of lookup tables for interpreting power control commands specific to RIS 170 (e.g., to consider directionality and SLL suppression at RIS 170). Power control commands may identify one or more adjustment steps or states for adjusting power control and may correspond to entries in a lookup table (e.g., an absolute or cumulative lookup table) indicating the amount of dB power increase or decrease to be applied for each power control command. While some aspects are described in relation to lookup tables, other techniques, such as algorithmic approaches or other types of data structures, are contemplated for interpreting power control commands.

[0130] In some aspects, network node 110 can configure UE 120 via specific types of signaling. For example, network node 110 can use semi-static signaling (e.g., RRC signaling) to indicate the set of lookup tables to be used with the RIS-assisted uplink. Additionally or alternatively, network node 110 can use semi-static or dynamic signaling to indicate which lookup table in the set of lookup tables UE 120 should use. For example, based at least in part on selecting and configuring a specific RIS configuration for RIS 170, network node 110 can select a corresponding lookup table with a power control command step size suitable for a specific RIS configuration. Network node 110 can determine the corresponding lookup table based at least in part on information indicating the correspondence or signaling from a network entity. Additionally or alternatively, network node 110 can send semi-static signaling identifying a bandwidth threshold or interpretation field, such that UE 120 can use a specific lookup table to interpret transmit power control command adjustment bits for uplink physical uplink shared channel grants with continuous bandwidth satisfying the bandwidth threshold. Although this paper describes some aspects based on configurations that are signaled by network entities or network nodes, as well as other examples, it is envisioned that such configurations are statically defined in specifications or standards rather than being signaled.

[0131] like Figure 7Further, as shown by reference numeral 710, network node 110 can communicate with UE 120 via RIS 170. For example, RIS 170 can receive communication from network node 110 and redirect that communication to UE 120 according to RIS configuration, or vice versa. In this case, RIS 170 can apply one or more weights or offsets to one or more reflections made by one or more antenna elements of RIS 170 to control SLL suppression and avoid excessive interference from sidelobes of the reflected beam. Additionally or alternatively, UE 120 can use a signaling notification configuration for uplink transmission, for example, via RIS 170 to network node 110.

[0132] As indicated above, Figure 7 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 7 The descriptions are different.

[0133] Figure 8 This is a diagram illustrating example 800 related to repeater interference management according to this disclosure. (See diagram for example...) Figure 8 As shown, Example 800 includes communication between network node 110, RIS 170 and UE 120.

[0134] like Figure 8 Further, as shown by reference numeral 805, network node 110 may send information identifying a set of codebook parameters. For example, network node 110 may send information identifying the range or span of the reflection or refraction angle that facilitates communication by RIS 170 at the center frequency. Additionally or alternatively, network node 110 may send information identifying the amount of SLL suppression at the center frequency. Additionally or alternatively, network node 110 may send information identifying the frequency separation of one or more primary harmonics and / or the maximum interference level or gain at one or more primary harmonics. Additionally or alternatively, network node 110 may send information identifying the direction of the incident signal from network node 110 and / or the distance between network node 110 and RIS 170. Additionally or alternatively, network node 110 may send information identifying the cardinality (e.g., the number of codewords) available for the codebook. In this way, network node 110 identifies a set of requirements (or thresholds) that the codebook must satisfy for selection.

[0135] like Figure 8Further, as shown by reference numeral 810, RIS 170 can determine a set of possible codebooks. As shown by reference numeral 815, RIS 170 can send codebook information identifying the set of possible codebooks. For example, RIS 170 can identify one or more codebooks from a set of parameterized codebooks that RIS 170 has been configured with, which satisfy a set of codebook parameters (e.g., requirements or thresholds that network node 110 has indicated codebooks to satisfy). In some aspects, RIS 170 can indicate one or more parameters of the set of possible codebooks. For example, for each possible codebook, RIS 170 can indicate SLL suppression implemented at the center frequency, frequency separation of one or more main harmonics or maximum injected interference, or frequency separation of harmonics with injected interference above a threshold (e.g., peak gain relative to the center frequency), and other examples.

[0136] like Figure 8 Further, as shown by reference numeral 820, network node 110 can determine whether the codebooks and their codewords in the possible codebook set satisfy a set of requirements associated with the parameter set. For example, network node 110 can confirm whether the identified codebook can satisfy one or more communication requirements. These one or more communication requirements may include a set of service or user profiles, a set of channel condition requirements, etc. like Figure 8 Further, and as indicated by reference numeral 825, network node 110 may send information identifying a codebook, at least in part based on a set of possible codebooks including codebooks and codewords that satisfy the required set. For example, network node 110 may send information identifying a RIS configuration that indicates the selected codebook and codewords for RIS 170, as described above. Conversely, as indicated by reference numeral 830, when no codebook and codeword satisfying the required set exist, network node 110 may update the codebook parameter set and return to the updated codebook parameter set, as indicated by reference numeral 805, to further negotiate the codebook and codewords used to configure RIS 170.

[0137] As indicated above, Figure 8 This is provided as an example. Other examples are available with reference to [the relevant information]. Figure 8 The descriptions are different.

[0138] Figure 9 This is a diagram illustrating an example process 900 performed, for example, at a network node or a device within a network node, according to the present disclosure. Example process 900 is an example in which a device or network node (e.g., network node 110) performs operations associated with RIS interference management.

[0139] like Figure 9As shown, in some aspects, process 900 may include sending information identifying the RIS configuration to the RIS, wherein the RIS configuration includes one or more parameters for time-varying control configuration associated with sidelobe suppression (box 910). For example, network nodes (e.g., using...) Figure 13 The transmitting component 1304 and / or the communication manager 1306 depicted herein may transmit information identifying the RIS configuration to the RIS, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression, as described above.

[0140] like Figure 9 As further shown, in some aspects, process 900 may include communicating with the UE via RIS and using RIS configuration (block 920). For example, a network node (e.g., using...) Figure 13 The receiving component 1302, transmitting component 1304 and / or communication manager 1306 described above can communicate with the UE via RIS and configured using RIS, as described above.

[0141] Process 900 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere in this document.

[0142] In a first aspect, transmitting information identifying the RIS configuration includes transmitting information about codebooks in a set of codebooks, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

[0143] In the second aspect, either alone or in combination with the first aspect, the RIS configuration is at least partially based on parameters of network nodes, including at least one of device identity parameters, target incident signal direction parameters, or distance parameters.

[0144] In the third aspect, either alone or in combination with one or more of the first and second aspects, sending information identifying the RIS configuration includes sending it using spatial quasi-co-address parameters, wherein the RIS configuration is at least partially based on the spatial quasi-co-address parameters.

[0145] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the one or more parameters include at least one of the following: SLL suppression parameter, frequency separation parameter, interference level parameter, directional parameter, angular parameter, or cardinality parameter.

[0146] In a fifth aspect, either alone or in combination with one or more of the first to fourth aspects, process 900 includes: receiving information identifying one or more codebooks supported by RIS; and transmitting information identifying a selection of a codebook among the one or more codebooks based at least in part on the information identifying the one or more codebooks supported by RIS.

[0147] In a sixth aspect, either alone or in combination with one or more of the first to fifth aspects, process 900 includes: sending first update information based at least in part on information identifying one or more codebooks supported by RIS, and receiving second update information in combination with the first update information identifying one or more other codebooks supported by RIS, wherein sending information identifying the selection includes sending information identifying the selection from the other one or more codebooks.

[0148] In the seventh aspect, either alone or in combination with one or more of the first to sixth aspects, process 900 includes: receiving information identifying one or more attributes of a codebook supported by the RIS, wherein the one or more attributes include at least one of a main lobe direction attribute, a beamwidth attribute, a peak gain attribute, a sidelobe gain attribute, or a sidelobe direction attribute, and wherein transmitting information identifying the RIS configuration includes transmitting information identifying the selection of the codebook based at least in part on the one or more attributes.

[0149] In the eighth aspect, either alone or in combination with one or more of the first to seventh aspects, process 900 includes: receiving capability information from the RIS, wherein the capability information includes information on at least one of identifying element groups, alphabet, codebook, switching speed, dwell time, reflection coefficient, or jitter mode, wherein transmitting information identifying the RIS configuration includes transmitting information on the selection of the codebook based at least in part on the capability information.

[0150] In the ninth aspect, alone or in combination with one or more of the first to eighth aspects, process 900 includes: communicating with the RIS to determine at least one of codewords, periodicity, group configuration, parameters per group, time duration, or time offset, and wherein sending information identifying the RIS configuration includes sending information identifying the selection of a codebook based at least in part on communication with the RIS.

[0151] In the tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 900 includes: sending information to the UE identifying one or more power control configuration parameters for communication via RIS, and wherein communication with the UE includes communication based on the one or more power control configuration parameters.

[0152] although Figure 9An example box of process 900 is shown, but in some respects, process 900 may include... Figure 9 The boxes depicted in the diagram may be fewer, different, or arranged differently than additional boxes. Alternatively, two or more boxes in the process 900 may be executed in parallel.

[0153] Figure 10 This is a diagram illustrating an example process 1000 performed, for example, at a RIS or a device of a RIS, according to this disclosure. Example process 1000 is an example in which a device or RIS (e.g., RIS 170) performs operations associated with RIS interference management.

[0154] like Figure 10 As shown, in some aspects, process 1000 may include receiving information identifying a RIS configuration from a network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression (box 1010). For example, the RIS (e.g., using...) Figure 14 The receiving component 1402 and / or communication manager 1406 depicted herein can receive information identifying the RIS configuration from the network node, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression, as described above.

[0155] like Figure 10 As further shown, in some aspects, process 1000 may include using RIS configuration to forward one or more communications between the network node and the UE (box 1020). For example, RIS (e.g., using...) Figure 14 The receiving component 1402, transmitting component 1404, and / or communication manager 1406 depicted above can be configured using RIS to forward one or more communications between the network node and the UE, as described above.

[0156] Process 1000 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere in this document.

[0157] In a first aspect, receiving information about the RIS configuration includes receiving information about codebooks in a set of codebooks, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

[0158] In the second aspect, either alone or in combination with the first aspect, the RIS configuration is at least partially based on parameters of network nodes, including at least one of device identity parameters, target incident signal direction parameters, or distance parameters.

[0159] In a third aspect, receiving information identifying the RIS configuration, either alone or in combination with one or more of the first and second aspects, includes receiving it using spatial quasi-co-address parameters, wherein the RIS configuration is at least partially based on the spatial quasi-co-address parameters.

[0160] In the fourth aspect, either alone or in combination with one or more of the first to third aspects, the one or more parameters include at least one of the following: SLL suppression parameter, frequency separation parameter, interference level parameter, directional parameter, angular parameter, or cardinality parameter.

[0161] In a fifth aspect, either alone or in combination with one or more of the first to fourth aspects, process 1000 includes: transmitting information identifying one or more codebooks supported by RIS; and receiving information identifying a selection of a codebook among the one or more codebooks based at least in part on the information identifying the one or more codebooks supported by RIS.

[0162] In a sixth aspect, either alone or in combination with one or more of the first to fifth aspects, process 1000 includes: receiving first update information based at least in part on information identifying one or more codebooks supported by RIS; and transmitting second update information in combination with the first update information to identify one or more other codebooks supported by RIS, wherein receiving information identifying the selection includes receiving information identifying the selection from the other one or more codebooks.

[0163] In the seventh aspect, either alone or in combination with one or more of the first to sixth aspects, process 1000 includes: transmitting information identifying one or more attributes of a codebook supported by the RIS, wherein the one or more attributes include at least one of a main lobe direction attribute, a beamwidth attribute, a peak gain attribute, a sidelobe gain attribute, or a sidelobe direction attribute, and wherein receiving information identifying the RIS configuration includes receiving information identifying the selection of the codebook based at least in part on the one or more attributes.

[0164] In the eighth aspect, either alone or in combination with one or more of the first to seventh aspects, process 1000 includes: transmitting capability information, wherein the capability information includes information on at least one of identification element grouping, alphabet, codebook, switching speed, dwell time, reflection coefficient, or jitter mode, wherein receiving information on the identification RIS configuration includes information on receiving the identification's selection of the codebook based at least in part on the capability information.

[0165] In the ninth aspect, alone or in combination with one or more of the first to eighth aspects, process 1000 includes: communicating with a network node to determine at least one of codewords, periodicity, group configuration, parameters per group, time duration, or time offset, and wherein receiving information identifying the RIS configuration includes receiving information identifying the selection of a codebook based at least in part on the communication with the network node.

[0166] In the tenth aspect, alone or in combination with one or more of the first to ninth aspects, process 1000 includes: sending to the UE information identifying one or more power control configuration parameters for communication via RIS, and wherein forwarding one or more communications includes: forwarding the one or more communications based at least in part on the information identifying the one or more power control configuration parameters.

[0167] although Figure 10 An example box of process 1000 is shown, but in some respects, process 1000 may include... Figure 10 The boxes depicted in the process are compared to additional boxes, fewer boxes, different boxes, or boxes arranged in a different manner. Additionally or alternatively, two or more boxes in the process 1000 may be executed in parallel.

[0168] Figure 11 This is a diagram illustrating an example process 1100 performed, for example, at a UE or a device of a UE, according to this disclosure. Example process 1100 is an example in which a device or UE (e.g., UE 120) performs operations associated with RIS interference management.

[0169] like Figure 11 As shown, in some aspects, process 1100 may include: receiving from a network node and via a RIS information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression (box 1110). For example, a UE (e.g., using...) Figure 12 The receiving component 1202 and / or communication manager 1206 depicted herein may receive from the network node and via the RIS information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are associated with a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression, as described above.

[0170] like Figure 11As further shown, in some aspects, process 1100 may include communicating with a network node via a RIS and using one or more power control configuration parameters (block 1120). For example, the UE (e.g., using...) Figure 12 The receiving component 1202, transmitting component 1204 and / or communication manager 1206 depicted above can communicate with network nodes via RIS and using one or more power control configuration parameters, as described above.

[0171] Process 1100 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in conjunction with one or more other processes described elsewhere in this document.

[0172] In a first aspect, the one or more power control configuration parameters include an indication in an entry of a power control lookup table in a lookup table set, wherein the power control lookup table is configured for RIS-assisted uplink.

[0173] In a second aspect, either alone or in combination with the first aspect, process 1100 includes receiving from a network node and via semi-static signaling at least one of the following: information identifying a set of lookup tables, an indication of an entry in a power control lookup table, selection of a power control lookup table from the set of lookup tables, sidelobe suppression characteristics, a bandwidth threshold, or a configuration for interpreting a power control command to be transmitted.

[0174] In the third aspect, either alone or in combination with one or more aspects of the first and second aspects, one or more power control configuration parameters include an indication of the adjustment step size for adjusting power control.

[0175] although Figure 11 An example box of process 1100 is shown, but in some respects, process 1100 may include... Figure 11 The boxes depicted in the text are compared to additional boxes, fewer boxes, different boxes, or boxes arranged in a different manner. Additionally or alternatively, two or more boxes in the process 1100 may be executed in parallel.

[0176] Figure 12 This is a diagram of an example device 1200 for wireless communication according to the present disclosure. Device 1200 may be a UE, or a UE may include device 1200. In some aspects, device 1200 includes a receiving component 1202, a transmitting component 1204, and / or a communication manager 1206 that can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1206 is combined with... Figure 1The described communication manager 140. As shown, device 1200 can communicate with another device 1208 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1202 and transmitting component 1204.

[0177] In some respects, device 1200 can be configured to perform the functions described herein. Figures 7 to 8 One or more operations described herein. Additionally or alternatively, the apparatus 1200 may be configured to perform one or more processes described herein, such as Figure 11 The process 1100. In some respects, Figure 12 The illustrated device 1200 and / or one or more components may include a combination Figure 2 One or more components of the described UE. Additionally or alternatively, Figure 12 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more components in the set of components may be implemented at least partially as software stored in one or more memories. For example, a component (or a portion thereof) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the function or operation of the component.

[0178] The receiving component 1202 can receive communications from the device 1208, such as reference signals, control information, data communications, or combinations thereof. The receiving component 1202 can provide the received communications to one or more other components of the device 1200. In some aspects, the receiving component 1202 can perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding), and can provide the processed signals to one or more other components of the device 1200. In some aspects, the receiving component 1202 may include combinations of... Figure 2 The described UE includes one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receiver processors, one or more controllers / processors, one or more memories, or combinations thereof.

[0179] Transmitting component 1204 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1208. In some aspects, one or more other components of device 1200 may generate communications and provide the generated communications to transmitting component 1204 for transmission to device 1208. In some aspects, transmitting component 1204 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding) on ​​the generated communications and may transmit the processed signals to device 1208. In some aspects, transmitting component 1204 may include combinations of... Figure 2 The described UE may include one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, the transmit component 1204 may co-located with the receive component 1202 in one or more transceivers.

[0180] The communication manager 1206 may support the operation of the receiving component 1202 and / or the transmitting component 1204. For example, the communication manager 1206 may receive information associated with configuring the receiving component 1202 to receive communication and / or the transmitting component 1204 to transmit communication. Additionally or alternatively, the communication manager 1206 may generate control information and / or provide control information to the receiving component 1202 and / or the transmitting component 1204 to control the reception and / or transmission of communication.

[0181] The receiving component 1202 may receive information from the network node and via a RIS identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration, which includes one or more parameters for time-varying control configuration associated with sidelobe suppression. The receiving component 1202 and / or the transmitting component 1204 may communicate with the network node via the RIS using one or more power control configuration parameters. The receiving component 1202 may receive from the network node and via semi-static signaling at least one of the following: information identifying a lookup table set, an indication of entries in a power control lookup table, a selection of a power control lookup table from the lookup table set, sidelobe suppression characteristics, a bandwidth threshold, or a configuration for interpreting a power control command.

[0182] Figure 12 The number and arrangement of components shown are provided as an example. In reality, they can exist in... Figure 12 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 12 The two or more components shown can be implemented within a single component, or Figure 12The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 12 The collection of (one or more) components shown is executable and described as being composed of Figure 12 The other set of components shown performs one or more functions.

[0183] Figure 13 This is a diagram of an example device 1300 for wireless communication according to the present disclosure. Device 1300 may be a network node, or a network node may include device 1300. In some aspects, device 1300 includes a receiving component 1302, a transmitting component 1304, and / or a communication manager 1306 that can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1306 is combined with... Figure 1 The described communication manager 150. As shown, device 1300 can communicate with another device 1308 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1302 and transmitting component 1304.

[0184] In some respects, device 1300 can be configured to perform the functions described herein. Figures 7 to 8 One or more operations described herein. Additionally or alternatively, the apparatus 1300 may be configured to perform one or more processes described herein, such as Figure 9 The process is 900. In some respects, Figure 13 The illustrated device 1300 and / or one or more components may include a combination Figure 2 One or more components of the described network node. Additionally or alternatively, Figure 13 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more components in the set of components may be implemented at least partially as software stored in one or more memories. For example, a component (or a portion thereof) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the function or operation of the component.

[0185] Receiver 1302 may receive communications from device 1308, such as reference signals, control information, data communications, or combinations thereof. Receiver 1302 may provide the received communications to one or more other components of device 1300. In some aspects, receiver 1302 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding) on ​​the received communications, and may provide the processed signals to one or more other components of device 1300. In some aspects, receiver 1302 may include combinations of... Figure 2 The described network node may include one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receiver processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, receiver component 1302 and / or transmitter component 1304 may include or be included in a network interface. The network interface may be configured to acquire and / or output signals for device 1300 via one or more communication links, such as backhaul links, midhaul links, and / or fronthaul links.

[0186] Transmitting component 1304 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1308. In some aspects, one or more other components of device 1300 may generate communications and provide the generated communications to transmitting component 1304 for transmission to device 1308. In some aspects, transmitting component 1304 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding) on ​​the generated communications and may transmit the processed signals to device 1308. In some aspects, transmitting component 1304 may include combinations of... Figure 2 The described network node includes one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, the transmit component 1304 may co-located with the receive component 1302 in one or more transceivers.

[0187] The communication manager 1306 may support the operation of the receiving component 1302 and / or the transmitting component 1304. For example, the communication manager 1306 may receive information associated with configuring the reception of communications by the receiving component 1302 and / or the transmission of communications by the transmitting component 1304. Additionally or alternatively, the communication manager 1306 may generate control information and / or provide control information to the receiving component 1302 and / or the transmitting component 1304 to control the reception and / or transmission of communications.

[0188] Transmitting component 1304 may send information identifying a RIS configuration to the RIS, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression. Receiving component 1302 and / or transmitting component 1304 may communicate with the UE via the RIS and using the RIS configuration. Receiving component 1302 may receive information identifying one or more codebooks supported by the RIS. Transmitting component 1304 may transmit information identifying a selection of one or more codebooks based at least in part on the information identifying one or more codebooks supported by the RIS.

[0189] The transmitting component 1304 may transmit the first update information based at least in part on information identifying one or more codebooks supported by RIS.

[0190] The receiving component 1302 may receive, in conjunction with the first update information, second update information identifying one or more other codebooks supported by the RIS. The receiving component 1302 may receive information identifying one or more attributes of a codebook supported by the RIS, wherein the one or more attributes include at least one of the following: main lobe direction attribute, beamwidth attribute, peak gain attribute, sidelobe gain attribute, or sidelobe direction attribute. The receiving component 1302 may receive capability information from the RIS, wherein the capability information includes information identifying at least one of the following: element grouping, letter, codebook, handover speed, dwell time, reflection coefficient, or jitter mode. The communication manager 1306 may communicate with the RIS to determine at least one of codewords, periodicity, group configuration, per-group parameters, time duration, or time offset. The transmitting component 1304 may transmit to the UE information identifying one or more power control configuration parameters used for communication via the RIS.

[0191] Figure 13 The number and arrangement of components shown are provided as an example. In reality, they can exist in... Figure 13 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 13 The two or more components shown can be implemented within a single component, or Figure 13 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 13 The collection of (one or more) components shown is executable and described as being composed of Figure 13 The other set of components shown performs one or more functions.

[0192] Figure 14 This is a diagram of an example device 1400 for wireless communication according to the present disclosure. Device 1400 may be a RIS, or a RIS may include device 1400. In some aspects, device 1400 includes a receiving component 1402, a transmitting component 1404, and / or a communication manager 1406 that can communicate with each other (e.g., via one or more buses and / or one or more other components). In some aspects, communication manager 1406 is combined with... Figure 1 The described communication manager 172. As shown, device 1400 can communicate with another device 1408 (such as a UE or a network node (such as a CU, DU, RU or base station)) using receiving component 1402 and transmitting component 1404.

[0193] In some respects, device 1400 can be configured to perform the functions described herein. Figures 7 to 8 One or more operations described herein. Additionally or alternatively, the apparatus 1400 may be configured to perform one or more processes described herein, such as Figure 10 The process is 1000. In some respects, Figure 14 The illustrated device 1400 and / or one or more components may include a combination Figure 2 One or more components of the described RIS. Additionally or alternatively, Figure 14 One or more components shown can be combined Figure 2 Implementation within one or more of the described components. Additionally or alternatively, one or more components in the set of components may be implemented at least partially as software stored in one or more memories. For example, a component (or a portion thereof) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by one or more controllers or one or more processors to perform the function or operation of the component.

[0194] Receiver 1402 may receive communications from device 1408, such as reference signals, control information, data communications, or combinations thereof. Receiver 1402 may provide the received communications to one or more other components of device 1400. In some aspects, receiver 1402 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding) on ​​the received communications, and may provide the processed signals to one or more other components of device 1400. In some aspects, receiver 1402 may include combinations of... Figure 2 The described RIS includes one or more antennas, one or more modems, one or more demodulators, one or more MIMO detectors, one or more receiver processors, one or more controllers / processors, one or more memories, or combinations thereof.

[0195] Transmitting component 1404 may transmit communications, such as reference signals, control information, data communications, or combinations thereof, to device 1408. In some aspects, one or more other components of device 1400 may generate communications and provide the generated communications to transmitting component 1404 for transmission to device 1408. In some aspects, transmitting component 1404 may perform signal processing (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding) on ​​the generated communications and may transmit the processed signals to device 1408. In some aspects, transmitting component 1404 may include combinations of... Figure 2The described RIS includes one or more antennas, one or more modems, one or more modulators, one or more transmit MIMO processors, one or more transmit processors, one or more controllers / processors, one or more memories, or combinations thereof. In some aspects, the transmit component 1404 may co-located with the receive component 1402 in one or more transceivers.

[0196] The communication manager 1406 may support the operation of the receiving component 1402 and / or the transmitting component 1404. For example, the communication manager 1406 may receive information associated with configuring the reception of communications by the receiving component 1402 and / or the transmission of communications by the transmitting component 1404. Additionally or alternatively, the communication manager 1406 may generate control information and / or provide control information to the receiving component 1402 and / or the transmitting component 1404 to control the reception and / or transmission of communications.

[0197] The receiving component 1402 can receive information identifying the RIS configuration from the network node, wherein the RIS configuration includes one or more parameters for time-varying control configuration associated with sidelobe suppression. The communication manager 1406 can use the RIS configuration to forward one or more communications between the network node and the UE.

[0198] Transmitting component 1404 may transmit information identifying one or more codebooks supported by RIS. Receiving component 1402 may receive information identifying a selection of a codebook among the one or more codebooks based at least in part on the information identifying one or more codebooks supported by RIS. Receiving component 1402 may receive first update information based at least in part on the information identifying one or more codebooks supported by RIS. Transmitting component 1404 may transmit second update information identifying one or more other codebooks supported by RIS in conjunction with the first update information. Transmitting component 1404 may transmit information identifying one or more attributes of codebooks supported by RIS, wherein the one or more attributes include at least one of the following: main lobe direction attribute, beamwidth attribute, peak gain attribute, sidelobe gain attribute, or sidelobe direction attribute.

[0199] Transmitting component 1404 can transmit capability information, which includes information identifying at least one of the following: element grouping, letter, codebook, handover speed, dwell time, reflection coefficient, or jitter mode. Communication manager 1406 can communicate with network nodes to determine at least one of codewords, periodicity, group configuration, per-group parameters, time duration, or time offset. Transmitting component 1404 can forward information to the UE identifying one or more power control configuration parameters used for communication via RIS.

[0200] Figure 14The number and arrangement of components shown are provided as an example. In reality, they can exist in... Figure 14 The components shown are compared to additional components, fewer components, different components, or components arranged in a different manner. Furthermore, Figure 14 The two or more components shown can be implemented within a single component, or Figure 14 The single component shown can be implemented as multiple distributed components. Additionally or alternatively, Figure 14 The collection of (one or more) components shown is executable and described as being composed of Figure 14 Another set of components shown performs one or more functions.

[0201] The following provides an overview of some aspects of this disclosure: Aspect 1: A method for wireless communication performed by a network node, the method comprising: sending information identifying a RIS configuration to a reconfigurable smart surface (RIS), wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and communicating with a user equipment (UE) via the RIS and using the RIS configuration.

[0202] Aspect 2: According to the method of aspect 1, sending the information identifying the RIS configuration includes: sending information identifying a codebook in a codebook set, wherein the codebook includes one or more codewords associated with one or more parameters of the time-varying control configuration.

[0203] Aspect 3: The method according to any one of Aspects 1 to 2, wherein the RIS configuration is at least partially based on parameters of the network node, the parameters of the network node including at least one of the following: device identity parameters, target incident signal direction parameters, or distance parameters.

[0204] Aspect 4: The method according to any one of Aspects 1 to 3, wherein sending the information identifying the RIS configuration comprises: sending using spatial quasi-co-address parameters, wherein the RIS configuration is at least partially based on the spatial quasi-co-address parameters.

[0205] Aspect 5: The method according to any one of Aspects 1 to 4, wherein the one or more parameters include at least one of the following: sidelobe level (SLL) suppression parameter, frequency separation parameter, interference level parameter, direction parameter, angular parameter, or cardinality parameter.

[0206] Aspect 6: The method according to any one of Aspects 1 to 5, the method further comprising: receiving information identifying one or more codebooks supported by the RIS; and transmitting information identifying a selection of a codebook among the one or more codebooks based at least in part on the information identifying the one or more codebooks supported by the RIS.

[0207] Aspect 7: The method according to aspect 6, further comprising: transmitting first update information based at least in part on the information identifying one or more codebooks supported by the RIS; and receiving second update information identifying one or more other codebooks supported by the RIS in conjunction with the first update information; and wherein transmitting the information identifying the selection comprises: transmitting information identifying the selection from the one or more other codebooks.

[0208] Aspect 8: The method according to any one of Aspects 1 to 7, the method further comprising: receiving information identifying one or more attributes of a codebook supported by the RIS, wherein the one or more attributes include at least one of the following: main lobe direction attribute, beamwidth attribute, peak gain attribute, sidelobe gain attribute, or sidelobe direction attribute; and wherein sending information identifying the RIS configuration comprises: sending information identifying the selection of the codebook based at least in part on the one or more attributes.

[0209] Aspect 9: The method according to any one of Aspects 1 to 8, the method further comprising: receiving capability information from the RIS, wherein the capability information includes information identifying at least one of the following: element grouping, letter, codebook, switching speed, dwell time, reflection coefficient, or jitter mode; wherein sending information identifying the configuration of the RIS includes: sending information identifying the selection of the codebook based at least in part on the capability information.

[0210] Aspect 10: The method according to any one of Aspects 1 to 9, the method further comprising: communicating with the RIS to determine at least one of the following: codeword, periodicity, group configuration, parameters per group, time duration or time offset; and wherein sending information identifying the RIS configuration comprises: sending information identifying the selection of a codebook based at least in part on communication with the RIS.

[0211] Aspect 11: The method according to any one of aspects 1 to 10, the method further comprising: sending information to the UE identifying one or more power control configuration parameters for communicating via the RIS; and wherein communicating with the UE comprises: communicating according to the one or more power control configuration parameters.

[0212] Aspect 12: A method for wireless communication performed by a reconfigurable smart surface (RIS), the method comprising: receiving from a network node information identifying a RIS configuration, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and using the RIS configuration to forward one or more communications between the network node and a user equipment (UE).

[0213] Aspect 13: According to the method of aspect 12, receiving the information identifying the RIS configuration includes: receiving information identifying codebooks in a codebook set, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

[0214] Aspect 14: The method according to any one of Aspects 12 to 13, wherein the RIS configuration is at least partially based on parameters of the network node, the parameters of the network node including at least one of the following: device identity parameters, target incident signal direction parameters, or distance parameters.

[0215] Aspect 15: The method according to any one of Aspects 12 to 14, wherein receiving the information identifying the RIS configuration comprises: receiving using spatial quasi-co-address parameters, wherein the RIS configuration is at least partially based on the spatial quasi-co-address parameters.

[0216] Aspect 16: The method according to any one of Aspects 12 to 15, wherein the one or more parameters include at least one of the following: sidelobe level (SLL) suppression parameter, frequency separation parameter, interference level parameter, direction parameter, angular parameter, or cardinality parameter.

[0217] Aspect 17: The method according to any one of aspects 12 to 16, the method further comprising: transmitting information identifying one or more codebooks supported by the RIS; and receiving information identifying a selection of a codebook among the one or more codebooks based at least in part on the information identifying the one or more codebooks supported by the RIS.

[0218] Aspect 18: The method according to aspect 17, the method further comprising: receiving first update information based at least in part on the information identifying one or more codebooks supported by the RIS; and transmitting second update information identifying one or more other codebooks supported by the RIS in conjunction with the first update information; and wherein receiving the information identifying the selection comprises: receiving information identifying the selection from the other one or more codebooks.

[0219] Aspect 19: The method according to any one of Aspects 12 to 18, the method further comprising: transmitting information identifying one or more attributes of a codebook supported by the RIS, wherein the one or more attributes include at least one of the following: main lobe direction attribute, beamwidth attribute, peak gain attribute, sidelobe gain attribute, or sidelobe direction attribute; and wherein receiving information identifying the RIS configuration comprises: receiving information identifying the selection of the codebook based at least in part on the one or more attributes.

[0220] Aspect 20: The method according to any one of Aspects 12 to 19, the method further comprising: transmitting capability information, wherein the capability information includes information identifying at least one of the following: element grouping, letter, codebook, switching speed, dwell time, reflection coefficient, or jitter mode; wherein receiving information identifying the RIS configuration includes: receiving information identifying the selection of the codebook based at least in part on the capability information.

[0221] Aspect 21: The method according to any one of aspects 12 to 20, the method further comprising: communicating with the network node to determine at least one of the following: codeword, periodicity, group configuration, parameters per group, time duration or time offset; and wherein receiving information identifying the RIS configuration includes: receiving information identifying the selection of a codebook based at least in part on communication with the network node.

[0222] Aspect 22: The method according to any one of aspects 12 to 21, the method further comprising: sending to the UE information identifying one or more power control configuration parameters for communicating via the RIS; and wherein forwarding the one or more communications comprises: forwarding the one or more communications based on the one or more power control configuration parameters at least in part based on sending the information identifying the one or more power control configuration parameters.

[0223] Aspect 23: A method of wireless communication performed by a user equipment (UE), the method comprising: receiving from a network node and via a reconfigurable smart surface (RIS) information identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for a time-varying control configuration associated with sidelobe suppression; and communicating with the network node via the RIS using the one or more power control configuration parameters.

[0224] Aspect 24: According to the method of aspect 23, the one or more power control configuration parameters include an indication in an entry of a power control lookup table in a lookup table set, wherein the power control lookup table is configured for RIS-assisted uplink.

[0225] Aspect 25: The method according to aspect 24, the method further comprising: receiving from the network node and via semi-static signaling at least one of the following: information identifying the lookup table set, the indication of the entry of the power control lookup table, selection of the power control lookup table from the lookup table set, sidelobe suppression characteristics, bandwidth threshold, or configuration for interpreting a power control command.

[0226] Aspect 26: The method according to any one of Aspects 23 to 25, wherein the one or more power control configuration parameters include an indication of an adjustment step size for adjusting power control.

[0227] Aspect 27: An apparatus for wireless communication at a device, the apparatus comprising: one or more processors; one or more memories coupled to the one or more processors; and instructions stored in the one or more memories and executable by the one or more processors to cause the apparatus to perform one or more of the methods according to aspects 1 to 26.

[0228] Aspect 28: An apparatus for wireless communication at a device, the apparatus comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors being configured to cause the device to perform the method according to one or more of aspects 1 to 26.

[0229] Aspect 29: An apparatus for wireless communication, the apparatus comprising at least one component for performing the method according to one or more of aspects 1 to 26.

[0230] Aspect 30: A non-transitory computer-readable medium storing code for wireless communication, the code including instructions executable by one or more processors to perform the method according to one or more of aspects 1 to 26.

[0231] Aspect 31: A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions including one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method according to one or more of aspects 1 to 26.

[0232] Aspect 32: A device for wireless communication, the device comprising: a processing system including one or more processors and one or more memories coupled to the one or more processors, the processing system being configured to cause the device to perform the method according to one or more of aspects 1 to 26.

[0233] Aspect 33: An apparatus for wireless communication at a device, the apparatus comprising: one or more memories; and one or more processors coupled to the one or more memories, the one or more processors being individually or collectively configured to cause the device to perform one or more of the methods according to aspects 1 to 26.

[0234] While the foregoing disclosure provides examples and descriptions, it is not intended to be exhaustive or to limit all aspects to the precise form disclosed. Modifications and variations may be made based on the foregoing disclosure, or from various practices.

[0235] As used herein, the term "component" is intended to be interpreted broadly as hardware, firmware, or a combination of hardware and software. As used herein, a processor is implemented as hardware, firmware, or a combination of hardware and software. As used herein, the phrase "based on" is intended to be interpreted broadly as "at least partially based on". As used herein, depending on the context, "meeting a threshold" can refer to a value greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc. As used herein, the phrase referring to "at least one of" a list of items means any combination of those items, including a single member. As an example, "at least one of a, b, or c" is intended to cover: a, b, c, a+b, a+c, b+c, and a+b+c.

[0236] Furthermore, as used herein, the articles “a” and “an” are intended to include one or more items and are interchangeable with “one or more”. Furthermore, as used herein, the article “described” is intended to include one or more items mentioned in connection with the article “described” and is interchangeable with “one or more”. Furthermore, as used herein, the terms “set” and “group” are intended to include one or more items (e.g., related items, unrelated items, or a combination of related and unrelated items) and are interchangeable with “one or more”. If only one item is desired, the phrase “only one” or similar terms will be used. Moreover, as used herein, the terms “having” and similar terms are intended to be open-ended terms that do not limit the elements they modify (e.g., an element “having” A may also have B). Furthermore, as used herein, the term “or” when used in a sequence is intended to be inclusive and is interchangeable with “and / or” unless otherwise explicitly stated (e.g., in conjunction with “either of” or “only one of”).

[0237] The various exemplary logic components, logic blocks, modules, circuits, and algorithmic processes described in conjunction with the aspects disclosed herein can be implemented as electronic hardware, computer software, or a combination of both. The interchangeability of hardware and software has been generally described in terms of functionality and illustrated in the various exemplary components, blocks, modules, circuits, and processes described herein. Whether such functionality is implemented in hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0238] Hardware and data processing means for implementing the various exemplary logic, logic blocks, modules, and circuits described herein can be implemented or executed using general-purpose single-chip or multi-chip processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic components, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor can be a microprocessor, or any conventional processor, controller, microcontroller, or state machine. A processor can also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors combined with a DSP core, or any other such configuration. In some aspects, specific processes and methods can be performed by circuitry dedicated to a given function.

[0239] In one or more aspects, the described functionality may be implemented in hardware, digital electronic circuits, computer software, firmware, including the structures disclosed in this specification and their structural equivalents or any combination thereof. Aspects of the subject matter described in this specification may also be implemented as one or more computer programs (such as one or more modules of computer program instructions) encoded on a computer storage medium for execution by or control of the operation of a data processing apparatus.

[0240] If implemented in software, the functionality can be stored as one or more instructions or code on or transmitted through a computer-readable medium. The processes of the methods or algorithms disclosed herein can be implemented in a processor-executable software module that can reside on a computer-readable medium. Computer-readable media include both computer storage media and communication media, with communication media including any medium capable of transferring a computer program from one place to another. Storage media can be any available medium accessible to a computer. By way of example, and not limitation, such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disc storage devices, disk storage devices or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and is accessible to a computer. Furthermore, any connection may be properly referred to as a computer-readable medium. As used herein, disks and optical discs include compact optical discs (CDs), laser discs, optical discs, digital versatile optical discs (DVDs), floppy disks, and Blu-ray discs, where disks typically magnetically reproduce data, while optical discs optically reproduce data using lasers. Combinations of media described herein should also be included within the scope of computer-readable media. Additionally, the operation of a method or algorithm may reside as a set of code and instructions or any combination of code and instructions on a machine-readable medium and a computer-readable medium that may be incorporated into a computer program product.

[0241] Various modifications to the aspects described in this disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the spirit or scope of this disclosure. Therefore, the claims are not intended to be limited to the aspects shown herein, but are to be granted the widest scope consistent with this disclosure, the principles disclosed herein, and the novel features.

[0242] Additionally, those skilled in the art will readily recognize that the terms “upper” and “lower” are sometimes used to facilitate the description of the drawings and to indicate relative positioning on a correctly oriented page corresponding to the orientation of the drawings, and may not reflect the correct orientation of any device as implemented.

[0243] Some features described in the context of an independent aspect in this specification may also be implemented in combination in a single aspect. Conversely, various features described in the context of a single aspect may also be implemented individually or in any suitable sub-combination in multiple aspects. Furthermore, although features may be described as functioning in certain combinations and even originally claimed in this way, one or more features from the claimed combination may be removed from that combination in some cases, and the claimed combination may be for sub-combinations or variations thereof.

[0244] Similarly, although operations are depicted in a specific order in the figures, this should not be construed as requiring such operations to be performed in the specific order shown or in sequential order, or to perform all illustrated operations to achieve the desired result. Furthermore, the figures may schematically depict one or more example processes in the form of flowcharts. However, other operations not depicted may be incorporated into the schematically illustrated example processes. For example, one or more additional operations may be performed before, after, simultaneously with, or between any of the illustrated operations. In some contexts, multitasking and parallel processing are advantageous. Moreover, the separation of various system components in the described aspects should not be construed as requiring such separation in all aspects, and it should be understood that the described program components and systems can generally be integrated together in a single software product or packaged into multiple software products. Additionally, other aspects also fall within the scope of the appended claims. In some cases, the actions recited in the claims may be performed in a different order and still achieve the desired result.

Claims

1. An apparatus for wireless communication, the apparatus comprising: One or more memory units; and One or more processors, said one or more processors being coupled to said one or more memories and configured to cause the device to: Send information identifying the RIS configuration to a reconfigurable smart surface (RIS), wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; as well as Communicating with user equipment (UE) via the RIS and using the RIS configuration.

2. The apparatus of claim 1, wherein, in order for the apparatus to send the information identifying the RIS configuration, the one or more processors are configured to cause the apparatus to: Send information about codebooks in the identifier codebook set, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

3. The apparatus of claim 1, wherein the RIS configuration is at least partially based on parameters of the apparatus, the parameters of the apparatus including at least one of the following: Device identification parameters Target incident signal direction parameters, or Distance parameter.

4. The apparatus of claim 1, wherein, in order for the apparatus to send the information identifying the RIS configuration, the one or more processors are configured to cause the apparatus to: Transmission is performed using spatial quasi-co-address parameters, wherein the RIS configuration is based at least in part on the spatial quasi-co-address parameters.

5. The apparatus of claim 1, wherein the one or more parameters include at least one of the following: Sidelobe level (SLL) suppression parameter, Frequency separation parameters, Interference level parameters Direction parameters, Angular parameters, or Cardinality parameter.

6. The apparatus of claim 1, wherein the one or more processors are further configured to cause the apparatus to: Receive information identifying one or more codebooks supported by the RIS; and Information identifying the selection of a codebook among the one or more codebooks is sent, at least in part based on the information identifying the one or more codebooks supported by the RIS.

7. The apparatus of claim 6, wherein the one or more processors are further configured to cause the apparatus to: The first update information is sent based at least in part on the information identifying the one or more codebooks supported by the RIS; as well as Receive second update information, in conjunction with the first update information, identifying one or more other codebooks supported by the RIS; and In order for the device to send the information identifying the selection, the one or more processors are configured to cause the device to: Send information identifying the selection from the other one or more codebooks.

8. The apparatus of claim 1, wherein the one or more processors are further configured to cause the apparatus to: Receive information identifying one or more attributes of the codebook supported by the RIS. The one or more properties mentioned above include at least one of the following: Main lobe orientation attribute Beamwidth attribute, Peak gain attribute Sidelobe gain properties, or Side lobe direction attribute; and In order for the device to send information identifying the RIS configuration, the one or more processors are configured to cause the device to: Information identifying the selection of the codebook is sent, at least in part, based on one or more of the aforementioned attributes.

9. The apparatus of claim 1, wherein the one or more processors are further configured to cause the apparatus to: Receive capability information from the RIS. The capability information includes information identifying at least one of the following: Component grouping, Alphabet, codebook, Switching speed Duration of stay Reflection coefficient, or Shake mode; In order for the device to send information identifying the RIS configuration, the one or more processors are configured to cause the device to: Information identifying the selection of the codebook is sent, at least in part, based on the capability information.

10. The apparatus of claim 1, wherein the one or more processors are further configured to cause the apparatus to: Communicating with the RIS to determine at least one of the following: Typing Periodicity Group configuration, Each set of parameters, Duration of time, or Time offset; and In order for the device to send information identifying the RIS configuration, the one or more processors are configured to cause the device to: Information identifying the selection of a codebook is sent, at least in part, based on communication with the RIS.

11. The apparatus of claim 1, wherein the one or more processors are further configured to cause the apparatus to: Send information to the UE identifying one or more power control configuration parameters used for communication via the RIS; and In order for the device to communicate with the UE, the one or more processors are configured to cause the device to: Communicate according to one or more power control configuration parameters.

12. An apparatus for wireless communication, the apparatus comprising: One or more memory units; and One or more processors, said one or more processors being coupled to said one or more memories and configured to cause the device to: Receive information from a network node identifying a reconfigurable Smart Surface (RIS) configuration, wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; and The RIS configuration is used to forward one or more communications between the network node and the user equipment (UE).

13. The apparatus of claim 12, wherein, in order for the apparatus to receive the information identifying the RIS configuration, the one or more processors are configured to cause the apparatus to: Receive information about codebooks in a set of identifier codebooks, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

14. The apparatus of claim 12, wherein the RIS configuration is at least partially based on parameters of the network node, the parameters of the network node including at least one of the following: Device identification parameters Target incident signal direction parameters, or Distance parameter.

15. The apparatus of claim 12, wherein, in order for the apparatus to receive the information identifying the RIS configuration, the one or more processors are configured to cause the apparatus to: Reception is performed using spatial quasi-co-address parameters, wherein the RIS configuration is based at least in part on the spatial quasi-co-address parameters.

16. The apparatus of claim 12, wherein the one or more parameters include at least one of the following: Sidelobe level (SLL) suppression parameter, Frequency separation parameters, Interference level parameters Direction parameters, Angular parameters, or Cardinality parameter.

17. The apparatus of claim 12, wherein the one or more processors are further configured to cause the apparatus to: Send information identifying one or more codebooks supported by the device; and Information identifying a selection of a codebook among the one or more codebooks is received, at least in part based on the information identifying the one or more codebooks supported by the device.

18. The apparatus of claim 17, wherein the one or more processors are further configured to cause the apparatus to: The first update information is received based at least in part on the information identifying the one or more codebooks supported by the device; as well as In conjunction with the first update information, second update information identifying one or more other codebooks supported by the device is sent; and In order for the device to receive the information identifying the selection, the one or more processors are configured to cause the device to: Receive information identifying the selection from the other one or more codebooks.

19. The apparatus of claim 12, wherein the one or more processors are further configured to cause the apparatus to: Send information identifying one or more attributes of the codebook supported by the device. The one or more properties mentioned above include at least one of the following: Main lobe orientation attribute Beamwidth attribute, Peak gain attribute Sidelobe gain properties, or Side lobe direction attribute; and In order for the device to receive information identifying the RIS configuration, the one or more processors are configured to cause the device to: Information identifying the selection of the codebook is received, at least in part, based on one or more of the attributes.

20. The apparatus of claim 12, wherein the one or more processors are further configured to cause the apparatus to: Send capability information, The capability information includes information identifying at least one of the following: Component grouping, Alphabet, codebook, Switching speed Duration of stay Reflection coefficient, or Shake mode; In order for the device to receive information identifying the RIS configuration, the one or more processors are configured to cause the device to: Information identifying the selection of the codebook is received, at least in part, based on the capability information.

21. The apparatus of claim 12, wherein the one or more processors are further configured to cause the apparatus to: Communicating with the network node to determine at least one of the following: Typing Periodicity Group configuration, Each set of parameters, Duration of time, or Time offset; and In order for the device to receive information identifying the RIS configuration, the one or more processors are configured to cause the device to: The information identifying the selection of the codebook is received, at least in part, based on communication with the network nodes.

22. The apparatus of claim 12, wherein the one or more processors are further configured to cause the apparatus to: Forward information to the UE identifying one or more power control configuration parameters used for communication via the device; and In order for the device to forward the one or more communications, the one or more processors are configured to cause the device to: The one or more communications are forwarded based at least in part on the information that identifies the one or more power control configuration parameters.

23. An apparatus for wireless communication, the apparatus comprising: One or more memory units; and One or more processors, said one or more processors being coupled to said one or more memories and configured to cause the device to: Information is received from a network node and via a reconfigurable Smart Surface (RIS) identifying one or more power control configuration parameters for communicating with the network node via the RIS, wherein the power control configuration parameters are related to a RIS configuration including one or more parameters for time-varying control configuration associated with sidelobe suppression; and The system communicates with the network node via the RIS and using one or more power control configuration parameters.

24. The apparatus of claim 23, wherein the one or more power control configuration parameters include an indication in an entry of a power control lookup table in a lookup table set, wherein the power control lookup table is configured for RIS-assisted uplink.

25. The apparatus of claim 24, wherein the one or more processors are further configured to cause the apparatus to: Receive at least one of the following from the network node via semi-static signaling: Information identifying the set of lookup tables, The indication of the entry in the power control lookup table, Selection of the power control lookup table from the set of lookup tables Sidelobe suppression characteristics Bandwidth threshold, or Configuration used to interpret and send power control commands.

26. The apparatus of claim 23, wherein the one or more power control configuration parameters include an indication of an adjustment step size for adjusting power control.

27. A method for wireless communication performed by a network node, the method comprising: Send information identifying the RIS configuration to a reconfigurable smart surface (RIS), wherein the RIS configuration includes one or more parameters for a time-varying control configuration associated with sidelobe suppression; as well as Communicating with user equipment (devices) via the RIS and using the RIS configuration.

28. The method of claim 27, wherein sending the information identifying the RIS configuration comprises: Send information about codebooks in the identifier codebook set, wherein the codebooks include one or more codewords associated with one or more parameters of the time-varying control configuration.

29. The method of claim 27, wherein the RIS configuration is at least partially based on parameters of the network node, the parameters of the network node including at least one of the following: Device identification parameters Target incident signal direction parameters, or Distance parameter.

30. The method of claim 27, wherein sending the information identifying the RIS configuration comprises: Transmission is performed using spatial quasi-co-address parameters, wherein the RIS configuration is based at least in part on the spatial quasi-co-address parameters.

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