Beamforming parameter adaptation technology for wireless communication systems

Abstract

The present disclosure provides systems, methods, and apparatus for beamforming parameter adaptation techniques, including a computer program encoded on a computer storage medium. In one aspect, a first wireless device may receive a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both. That is, the second wireless device may transmit the capabilities message. The first wireless device may transmit, and at least the second wireless device may receive, an indication of one or more codebook parameters. The one or more codebook parameters may indicate a default operating frequency for the wireless communication system. The first wireless device and the second wireless device may communicate with the at least the second wireless device based on the one or more codebook parameters.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims the benefit of U.S. Provisional Patent Application No. 63 / 092,965, filed by RAGHAVAN et al. on October 16, 2020, entitled “BEAMFORMING PARAMETER ADAPTATION TECHNIQUES FOR WIRELESS COMMUNICATIONS SYSTEMS,” and U.S. Patent Application No. 17 / 493,135, filed by RAGHAVAN et al. on October 4, 2021, entitled “BEAMFORMING PARAMETER ADAPTATION TECHNIQUES FOR WIRELESS COMMUNICATIONS SYSTEMS,” each of which is assigned to the assignee of this application. Technical Field

[0003] The following generally relates to wireless communications, including beamforming parameter adaptation techniques for wireless communication systems.

[0004] Related technical description

[0005] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcast, and the like. These systems can support communication with multiple users by sharing available system resources, such as time, frequency, and power. Examples of such multiple-access systems include fourth-generation (4G) systems (such as Long Term Evolution (LTE) systems, Advanced LTE (LTE-A) systems, or LTE-A Pro systems), and fifth-generation (5G) systems, which may be referred to as NR systems. These systems may employ various technologies, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal frequency division multiple access (OFDMA), or discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM).

[0006] A wireless multiple access communication system may include one or more base stations or one or more network access nodes, each of which simultaneously supports communication for multiple communication devices, which may also be referred to as user equipment (UE). Some wireless communication systems may support beamforming communications using one or more antenna arrays. However, communication performance over some frequency ranges may be relatively inefficient.

[0007] Overview

[0008] The systems, methods, and devices of the present disclosure each have several innovative aspects, no single one of which is solely responsible for the desirable attributes disclosed herein.

[0009] One innovative aspect of the subject matter described in this disclosure can be implemented in an apparatus for wireless communication at a first wireless device. The apparatus may include a first interface, a second interface, and a processing system. In some implementations, the first interface may be configured to: obtain a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; and the processing system may be configured to: select one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and the second interface may be configured to: output an indication of the one or more codebook parameters to at least the second wireless device.

[0010] Another innovative aspect of the subject matter described in this disclosure can be implemented in another apparatus for wireless communication at a first wireless device. In some implementations, the apparatus may include a processor, a memory coupled to the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to: receive, at the first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; select one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and transmit an indication of the one or more codebook parameters to at least the second wireless device.

[0011] Another innovative aspect of the subject matter described in this disclosure can be implemented in a method of wireless communication at a first wireless device. In some implementations, the method may include: receiving, at the first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; selecting one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and transmitting an indication of the one or more codebook parameters to at least the second wireless device.

[0012] Another innovative aspect of the subject matter described in this disclosure can be implemented in another apparatus for wireless communication at a first wireless device. In some implementations, the apparatus may include means for: receiving, at the first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; selecting one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and transmitting an indication of the one or more codebook parameters to at least the second wireless device.

[0013] Another innovative aspect of the subject matter described in this disclosure can be implemented in a non-transitory computer-readable medium storing code for wireless communication at a first wireless device. In some implementations, the code may include instructions executable by a processor to: receive, at the first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; select one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and transmit an indication of the one or more codebook parameters to at least the second wireless device.

[0014] In some implementations, the method, apparatus (equipment) and non-transitory computer-readable medium may include operations, features, means or instructions for determining a set of relay UEs including relay UEs associated with (such as, in response to or based on) receiving control signaling, establishing a communication link with one or more relay UEs in the set of relay UEs associated with the determined set of relay UEs, determining an activated subset of relay UEs in the set of relay UEs associated with establishing the communication link, the activated subset of relay UEs including relay UEs, and communicating with a BS via the activated subset of relay UEs associated with the determined activated subset of relay UEs.

[0015] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for receiving one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0016] In some implementations, the capabilities message includes one or more reports from at least the second wireless device.

[0017] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for transmitting control signaling to at least a second wireless device that configures one or more frequencies associated with one or more reports.

[0018] In some implementations, communicating with at least a second wireless device may include operations, features, means, or instructions for communicating with at least the second wireless device according to one or more codebook parameters and communicating using a default operating frequency for the wireless communication system.

[0019] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for adjusting a first default operating frequency of a first wireless device to a default operating frequency for a wireless communication system associated with one or more codebook parameters.

[0020] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for transmitting a request for a capabilities message to at least a second wireless device, wherein receiving the capabilities message may be associated with transmitting the request.

[0021] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for receiving a set of capabilities messages from a set of wireless devices, the set of capabilities messages including a capabilities message from a second wireless device.

[0022] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, apparatus, or instructions for selecting a default operating frequency for the wireless communication system in association with a majority of the capability message set indicating a default operating frequency for the wireless communication system.

[0023] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for selecting a default operating frequency for a wireless communication system in association with a default operating frequency priority set, the default operating frequency priority set including a respective operating frequency priority associated with each wireless device in a set of wireless devices, wherein the default operating frequency priority set includes a default operating frequency priority for a second wireless device.

[0024] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for selecting a default operating frequency for a wireless communication system in association with a default operating frequency set, the default operating frequency set including a respective default operating frequency associated with each wireless device in a set of wireless devices, wherein the default operating frequency set includes a default operating frequency for a second wireless device.

[0025] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for assigning a default operating frequency priority for the second wireless device to at least the second wireless device.

[0026] In some implementations, the default operating frequency priority of the second wireless device corresponds to the capabilities of the second wireless device.

[0027] Another innovative aspect of the subject matter described in this disclosure can be implemented in an apparatus for wirelessly communicating at a second wireless device. The apparatus may include a first interface, a second interface, and a processing system. In some implementations, the second interface may be configured to output a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both. The first interface may be configured to obtain, from the first wireless device, an indication of one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system. The second interface may be configured to communicate with the first wireless device based on the one or more codebook parameters.

[0028] Another innovative aspect of the subject matter described in this disclosure can be implemented in a method of wireless communication at a second wireless device. In some implementations, the method may include: transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; receiving from the first wireless device an indication of one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and communicating with the first wireless device based on the one or more codebook parameters.

[0029] Another innovative aspect of the subject matter described in the present disclosure can be implemented in another apparatus for wirelessly communicating at a second wireless device. In some implementations, the apparatus may include means for: transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; receiving from the first wireless device an indication of one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and communicating with the first wireless device based on the one or more codebook parameters.

[0030] Another innovative aspect of the subject matter described in the present disclosure can be implemented in a non-transitory computer-readable medium storing code for wireless communication at a second wireless device. In some implementations, the code may include instructions executable by a processor to: transmit a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; receive from the first wireless device an indication of one or more codebook parameters associated with the capabilities message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and communicate with the first wireless device based on the one or more codebook parameters.

[0031] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for transmitting one or more reports to the first wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

[0032] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for receiving control signaling to at least a second wireless device that configures one or more frequencies associated with one or more reports.

[0033] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for determining one or more codebook parameters associated with the received indication.

[0034] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for adjusting the first default operating frequency of the second wireless device to the default operating frequency for the wireless communication system associated with the received indication.

[0035] In some implementations, communicating with a first wireless device may include operations, features, means, or instructions for communicating with at least a second wireless device according to one or more codebook parameters and communicating using a default operating frequency for the wireless communication system.

[0036] In some implementations, the method, apparatus (equipment), and non-transitory computer-readable medium may include operations, features, means, or instructions for receiving a request for a capability message from a first wireless device, wherein transmitting the capability message may be associated with the request for the capability message.

[0037] Details of one or more implementations of the subject matter described in this disclosure are set forth in the accompanying drawings and the following description. Other features, aspects, and advantages will become apparent from the description, drawings, and claims. It should be noted that the relative dimensions of the following drawings may not be drawn to scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 An example of a wireless communication system supporting beamforming parameter adaptation technology is shown.

[0040] Figure 2 An example of a signaling diagram supporting beamforming parameter adaptation techniques is shown.

[0041] Figure 3 A diagram illustrating an example frequency scheme supporting beamforming parameter adaptation techniques is shown.

[0042] Figure 4 An example wireless communication system supporting beamforming parameter adaptation techniques is shown.

[0043] Figure 5 An example process flow supporting beamforming parameter adaptation techniques is shown.

[0044] Figure 6 and 7 A block diagram of an example device supporting beamforming parameter adaptation techniques is shown.

[0045] Figure 8 A block diagram of an example communication manager supporting beamforming parameter adaptation techniques is shown.

[0046] Figure 9 A diagram of an example system including user equipment (UE) supporting beamforming parameter adaptation techniques is shown.

[0047] Figure 10 A diagram of an example system including a base station (BS) supporting beamforming parameter adaptation techniques is shown.

[0048] Figure 11-13An example flow diagram for operating one or more devices supporting beamforming parameter adaptation techniques is shown.

[0049] Like reference numbers and designations in the various drawings indicate like elements.

[0050] DETAILED DESCRIPTION

[0051] The following description is directed to certain implementations for the purpose of describing the innovative aspects of the present disclosure. However, one of ordinary skill in the art will readily recognize that the teachings herein can be applied in many different ways. The described implementations can be implemented in any device, system, or network capable of transmitting and receiving radio frequency (RF) signals in accordance with any of the IEEE 16.11 standards or any of the IEEE 802.11 standards, (Bluetooth) standard, Code Division Multiple Access (CDMA), Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Global System for Mobile Communications (GSM), GSM / General Packet Radio Service (GPRS), Enhanced Data GSM Environment (EDGE), Terrestrial Trunked Radio (TETRA), Wideband CDMA (W-CDMA), Evolution-Data Optimized (EV-DO), 1xEV-DO, EV-DO Revision A, EV-DO Revision B, High Speed ​​Packet Access (HSPA), High Speed ​​Downlink Packet Access (HSDPA), High Speed ​​Uplink Packet Access (HSUPA), Evolved High Speed ​​Packet Access (HSPA+), Long Term Evolution (LTE), AMPS, or other known signals for communication within a wireless network, cellular network, or Internet of Things (IoT) network (such as, a system utilizing 3G, 4G or 5G or further implementations thereof).

[0052] Some wireless communication systems may support wireless communications in relatively high frequency ranges, such as Frequency Range 4 (FR4) (e.g., including the 52.6 GHz to 114.25 GHz frequency band, which may be referred to as the upper millimeter wave (mmW) band, the sub-terahertz (THz) range, etc.). The term sub-terahertz is sometimes used to refer to frequency bands up to 300 GHz. Communications within such frequency ranges may utilize ultra-wide bandwidths (e.g., 14 GHz bandwidth, 25 GHz bandwidth, bandwidth greater than 3 GHz, etc.), which may enable enhanced communication performance at the corresponding frequencies. However, wireless devices (e.g., user equipment (UE), base stations, or fifth-generation base stations (BSs or gNBs)) may have limited ability to communicate simultaneously across all bands or frequencies within the ultra-wideband. As an example, a single RF chain for an antenna array at a wireless device may be used for the entire ultra-wideband bandwidth, but the RF chain may have a hardware configuration (e.g., a single set of phase shifters and gain control, antenna element spacing) suitable for beamforming at several frequencies within the bandwidth, but relatively inefficient in terms of array gain at other frequencies. Therefore, the performance of communications at these other frequencies within the ultra-wide bandwidth may be limited by the configuration of the array and the number of RF chains of the device. For example, a system may include multiple devices operating at various default operating frequencies. A serving device of the system may have a corresponding default operating frequency that is different from the default operating frequencies of other devices, which may result in inefficient beamforming for communications in the system (e.g., distortion of the beam shape of the main lobe, side lobes, grating lobes, and nulls at such other frequencies (which may be referred to as beam squint) may affect the performance of the system).

[0053] Accordingly, the wireless device may implement the beamforming parameter adaptation techniques described herein, which may reduce beamforming array gain degradation and improve communication efficiency in the system, among other benefits. For example, a wireless device may receive one or more capability messages from other wireless devices in the system. The one or more capability messages may indicate a default operating frequency for the corresponding wireless device. In some examples, the default operating frequency may be device-specific and may be associated with a hardware configuration (e.g., number of RF chains, antenna element spacing) for communication over ultra-wideband.

[0054] The wireless device may select one or more codebook parameters associated with one or more received capabilities messages. For example, the wireless device may determine a default operating frequency for the system and select one or more codebook parameters corresponding to the determined default operating frequency. In some examples, the wireless device may determine a default operating frequency for the system associated with a majority scheme. As an example, the wireless device may determine a frequency value associated with a majority of wireless devices in the system (e.g., the wireless device may adjust the codebook parameters so that the default operating frequency for the system corresponds to the default operating frequency reported by a majority of wireless devices). Additionally or alternatively, the wireless device may determine a default operating frequency for the system associated with a priority scheme. As an example, the wireless device may configure a priority indicator for one or more other wireless devices (e.g., a priority may be assigned to each device associated with the capabilities of the device indicated by the capabilities message). The wireless device may select a frequency value associated with the priority of each device. The wireless device may indicate the default operating frequency for the system to other wireless devices (e.g., the wireless device may indicate the selected one or more codebook parameters). Wireless devices in the system may communicate on a bandwidth associated with the one or more codebook parameters.

[0055] Certain implementations of the subject matter described in this disclosure may be implemented to achieve one or more of the following potential advantages. Adjusting codebook parameters based on a determined default operating frequency for the system may provide for more efficient communication between devices and may reduce array gain degradation due to beam shape distortion. Additionally or alternatively, wireless devices of a serving system may be able to select a default operating frequency for a system associated with relatively high performance for a majority of devices, relatively high priority devices, or a combination thereof, which may result in increased throughput and higher reliability, or increased system efficiency.

[0056] Figure 1 An example wireless communication system 100 supporting beamforming parameter adaptation techniques is shown. The wireless communication system 100 may support beamforming parameter adaptation techniques for a wireless communication system. The wireless communication system 100 may include one or more base stations 105, one or more UEs 115, and a core network 130. In some examples, the wireless communication system 100 may be a Long Term Evolution (LTE) network, an Advanced LTE (LTE-A) network, an LTE-A Pro network, or a New Radio (NR) network. In some examples, the wireless communication system 100 may support enhanced broadband communications, ultra-reliable (e.g., mission-critical) communications, low-latency communications, communications with low-cost and low-complexity devices, or any combination thereof.

[0057] Base stations 105 may be dispersed throughout a geographic area to form wireless communication system 100 and may be different forms of devices or devices with different capabilities. Base stations 105 and UEs 115 may communicate wirelessly via one or more communication links 125. Each base station 105 may provide a coverage area 110 over which UEs 115 and base stations 105 may establish one or more communication links 125. Coverage area 110 may be an example of a geographic area over which base stations 105 and UEs 115 may support signal communication according to one or more radio access technologies.

[0058] The UEs 115 may be dispersed throughout the coverage area 110 of the wireless communication system 100, and each UE 115 may be stationary or mobile, or stationary and mobile at different times. The UEs 115 may be different forms of devices or devices with different capabilities. Figure 1 1. The UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115, base stations 105, or network equipment, such as core network nodes, relays, integrated access and backhaul (IAB) nodes, or other network equipment. Figure 1 As shown in .

[0059] Each base station 105 can communicate with the core network 130, or with each other, or both. For example, the base station 105 can interface with the core network 130 via one or more backhaul links 120 (such as via S1, N2, N3, or another interface). The base stations 105 can communicate directly (such as directly between the base stations 105), indirectly (such as via the core network 130), or both with each other on the backhaul links 120 (such as via X2, Xn, or other interfaces). In some examples, the backhaul links 120 can be or include one or more wireless links.

[0060] One or more of the base stations 105 described herein may include or may be referred to by one of ordinary skill in the art as a base transceiver station, a radio base station, an access point, a radio transceiver, a Node B, an evolved Node B (eNB), a next generation Node B, or a Gigabit Node B (any of which may be referred to as a gNB), a Home Node B, a Home Evolved Node B, or other suitable terminology.

[0061] UE 115 may include or be referred to as a mobile device, a wireless device, a remote device, a handheld device, or a subscriber device, or some other suitable terminology, where "device" may also be referred to as a unit, a station, a terminal, or a client, etc. UE 115 may also include or be referred to as a personal electronic device, such as a cellular phone, a personal digital assistant (PDA), a tablet computer, a laptop computer, or a personal computer. In some examples, UE 115 may include or be referred to as a wireless local loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a machine type communication (MTC) device, etc., which may be implemented in various objects, such as appliances or vehicles, meters, etc.

[0062] The UE 115 described herein may be capable of communicating with various types of devices, such as other UEs 115, which may sometimes act as relays, as well as base stations 105 and network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, as described herein. Figure 1 As shown in .

[0063] The UE 115 and the base station 105 may communicate wirelessly with each other via one or more communication links 125 on one or more carriers. The term "carrier" may refer to a set of radio frequency spectrum resources having a defined physical layer structure for supporting the communication link 125. For example, a carrier for the communication link 125 may include a portion of a radio frequency spectrum band (such as a bandwidth portion (BWP)) that operates according to one or more physical layer channels for a given radio access technology (such as LTE, LTE-A, LTE-A Pro, NR). Each physical layer channel may carry acquisition signaling (such as synchronization signals, system information), control signaling for coordinating carrier operation, user data, or other signaling. The wireless communication system 100 may support communication with the UE 115 using carrier aggregation or multi-carrier operation. The UE 115 may be configured with multiple downlink component carriers and one or more uplink component carriers according to a carrier aggregation configuration. Carrier aggregation may be used with both frequency division duplex (FDD) and time division duplex (TDD) component carriers.

[0064] The signal waveform transmitted on the carrier may include multiple subcarriers (such as using a multi-carrier modulation (MCM) technique (such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform spread OFDM (DFT-S-OFDM))). In a system using MCM technology, a resource element may include one code element period (such as the duration of one modulation code element) and one subcarrier, where the code element period and subcarrier spacing are inversely related. The number of bits carried by each resource element may depend on the modulation scheme (such as the order of the modulation scheme, the coding rate of the modulation scheme, or both). Thus, the more resource elements received by the UE 115 and the higher the order of the modulation scheme, the higher the data rate of the UE 115 can be. Wireless communication resources may refer to a combination of radio frequency spectrum resources, time resources, and spatial resources (such as spatial layers or beams), and the use of multiple spatial layers may further improve the data rate or data integrity of communications with the UE 115.

[0065] The time interval of the base station 105 or the UE 115 can be expressed as a multiple of a basic time unit, which can be, for example, a sampling period T s =1 / (Δf max ·N f ) seconds, where Δf max It can represent the maximum supported subcarrier spacing, and N f The maximum supported discrete Fourier transform (DFT) size may be represented. Time intervals of communication resources may be organized according to radio frames, each having a specific duration, such as 10 milliseconds (ms). Each radio frame may be identified by a system frame number (SFN), such as in the range 0 to 1023.

[0066] Each frame may include a plurality of consecutively numbered subframes or time slots, and each subframe or time slot may have the same duration. In some examples, a frame may be divided into subframes (such as in the time domain), and each subframe may be further divided into a number of time slots. Alternatively, each frame may include a variable number of time slots, and the number of time slots may depend on the subcarrier spacing. Each time slot may include a number of code element periods (such as depending on the length of a cyclic prefix added before each code element period). In some wireless communication systems 100, a time slot may be further divided into a plurality of mini-time slots containing one or more code elements. Excluding the cyclic prefix, each code element period may contain one or more (such as, N f ) sampling period. The duration of a symbol period may depend on the subcarrier spacing or the operating band.

[0067] A subframe, slot, mini-slot, or symbol may be the smallest scheduling unit (e.g., in the time domain) of the wireless communication system 100 and may be referred to as a transmission time interval (TTI). In some examples, the TTI duration (e.g., the number of symbol periods in a TTI) may be variable. Additionally or alternatively, the smallest scheduling unit of the wireless communication system 100 may be dynamically selected (e.g., in bursts of shortened TTIs (sTTIs)).

[0068] Physical channels may be multiplexed on a carrier according to various techniques. Physical control channels and physical data channels may be multiplexed on a downlink carrier, for example, using one or more of time division multiplexing (TDM), frequency division multiplexing (FDM), or hybrid TDM-FDM techniques. A control region for physical control channels, such as a control resource set (CORESET), may be defined by a number of symbol periods and may extend across the system bandwidth or a subset of the system bandwidth of a carrier. One or more control regions, such as CORESETs, may be configured for a set of UEs 115. For example, one or more of UEs 115 may monitor or search the control region for control information according to one or more search space sets, and each search space set may include one or more control channel candidates in one or more aggregation levels arranged in a cascaded manner. An aggregation level for a control channel candidate may refer to the number of control channel resources, such as control channel elements (CCEs), associated with encoded information for a control information format having a given payload size. The search space sets may include a common search space set configured for transmitting control information to multiple UEs 115 and a UE-specific search space set for transmitting control information to a specific UE 115 .

[0069] In some examples, base stations 105 can be mobile and, therefore, provide communication coverage for mobile geographic coverage areas 110. In some examples, different geographic coverage areas 110 associated with different technologies can overlap, but the different geographic coverage areas 110 can be supported by the same base station 105. In other examples, overlapping geographic coverage areas 110 associated with different technologies can be supported by different base stations 105. The wireless communication system 100 can include, for example, a heterogeneous network in which different types of base stations 105 provide coverage for various geographic coverage areas 110 using the same or different radio access technologies.

[0070] The wireless communication system 100 can be configured to support ultra-reliable communication or low-latency communication or various combinations thereof. For example, the wireless communication system 100 can be configured to support ultra-reliable low-latency communication (URLLC) or mission-critical communication. UE 115 can be designed to support ultra-reliable, low-latency or critical functions (such as mission-critical functions). Ultra-reliable communication may include private communication or group communication and may be supported by one or more mission-critical services (such as mission-critical push-to-talk (MCPTT), mission-critical video (MCVideo) or mission-critical data (MCData)). Support for mission-critical functions may include prioritization of services, and mission-critical services may be used for public safety or general commercial applications. The terms ultra-reliable, low-latency, mission-critical and ultra-reliable low-latency may be used interchangeably herein.

[0071] In some examples, UE 115 may also be able to communicate directly with other UEs 115 over a device-to-device (D2D) communication link 135 (e.g., using a peer-to-peer (P2P) or D2D protocol). One or more UEs 115 utilizing D2D communication may be within the geographic coverage area 110 of base station 105. Other UEs 115 in such a group may be outside the geographic coverage area 110 of base station 105 or otherwise unable to receive transmissions from base station 105. In some examples, groups of UEs 115 communicating via D2D communication may utilize a one-to-many (1:M) system, in which each UE 115 transmits to every other UE 115 in the group. In some examples, base station 105 facilitates the scheduling of resources for D2D communication. In other implementations, D2D communication is performed between UEs 115 without involving base station 105.

[0072] The core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. The core network 130 may be an evolved packet core (EPC) or a 5G core (5GC), and the EPC or 5GC may include at least one control plane entity (such as a mobility management entity (MME), an access and mobility management function (AMF)) that manages access and mobility, and at least one user plane entity (such as a serving gateway (S-GW), a packet data network (PDN) gateway (P-GW), or a user plane function (UPF)) that routes packets or interconnects to external networks. The control plane entity may manage non-access stratum (NAS) functions such as mobility, authentication, and bearer management for UEs 115 served by base stations 105 associated with the core network 130. User IP packets may be delivered through the user plane entity, which may provide IP address allocation and other functions. The user plane entity may be connected to the IP services 150 of one or more network operators. The IP services 150 may include access to the Internet, an intranet, an IP Multimedia Subsystem (IMS), or packet-switched streaming services.

[0073] Some network devices, such as base stations 105, may include subcomponents, such as access network entities 140, which may be examples of access node controllers (ANCs). Each access network entity 140 may communicate with each UE 115 through one or more other access network transport entities 145, which may be referred to as radio heads, smart radio heads, or transmit / receive points (TRPs). Each access network transport entity 145 may include one or more antenna panels. In some configurations, the various functions of each access network entity 140 or base station 105 may be distributed across various network devices, such as radio heads and ANCs, or consolidated into a single network device, such as a base station 105.

[0074] The wireless communication system 100 can operate using one or more frequency bands, typically in the range of 300 megahertz (MHz) to 300 gigahertz (GHz). Generally, the 300 MHz to 3 GHz region is referred to as the ultra-high frequency (UHF) region or decimeter band because the wavelengths range from approximately 1 decimeter to 1 meter long. UHF waves can be blocked or redirected by buildings and environmental features, but these waves can penetrate various structures sufficiently for macrocells to provide service to UEs 115 located indoors. Transmissions using UHF waves can be associated with smaller antennas and a shorter range (e.g., less than 100 kilometers) than transmissions using the lower frequencies and longer wavelengths in the high frequency (HF) or very high frequency (VHF) portions of the spectrum below 300 MHz.

[0075] The wireless communication system 100 may also operate in a super high frequency (SHF) region using a frequency band from 3 GHz to 30 GHz (also known as a centimeter band) or in an extremely high frequency (EHF) region of the spectrum (such as, from 30 GHz to 300 GHz) (also known as a millimeter band). In some examples, the wireless communication system 100 may support millimeter wave (mmW) communications between the UE 115 and the base station 105, and the EHF antennas of the corresponding devices may be smaller and more closely spaced than the UHF antennas. In some examples, this may facilitate the use of antenna arrays within the device. However, the propagation of EHF transmissions may be subject to even greater atmospheric attenuation and a shorter range than SHF or UHF transmissions. The technology disclosed herein may be employed across transmissions using one or more different frequency regions, and the use of frequency bands specified across these frequency regions may vary by country or regulatory agency.

[0076] The wireless communication system 100 may utilize both licensed and unlicensed radio frequency spectrum bands. For example, the wireless communication system 100 may employ licensed assisted access (LAA), LTE unlicensed (LTE-U) radio access technology, or NR technology in an unlicensed band, such as the 5 GHz industrial, scientific, and medical (ISM) band. When operating in an unlicensed radio frequency spectrum band, devices (such as base stations 105 and UEs 115) may employ carrier sensing for conflict detection and avoidance. In some examples, operations in the unlicensed band may be associated with a carrier aggregation configuration (such as LAA) in conjunction with component carriers operating in the licensed band. Operations in the unlicensed spectrum may include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, among others.

[0077] The base station 105 or UE 115 may be equipped with multiple antennas that can be used to employ techniques such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communications, or beamforming. The antennas of the base station 105 or UE 115 may be located within one or more antenna arrays or antenna panels that can support MIMO operations or transmit or receive beamforming. For example, one or more base station antennas or antenna arrays may be co-located at an antenna assembly (such as an antenna tower). In some examples, the antennas or antenna arrays associated with the base station 105 may be located at different geographical locations. The base station 105 may have an antenna array having several rows and columns of antenna ports that the base station 105 can use to support beamforming for communications with the UE 115. Similarly, the UE 115 may have one or more antenna arrays that can support various MIMO or beamforming operations. Additionally or alternatively, the antenna panel may support radio frequency beamforming for signals transmitted via the antenna ports.

[0078] The base station 105 or the UE 115 can use MIMO communication to take advantage of multipath signal propagation and improve spectral efficiency by transmitting or receiving multiple signals via different spatial layers. Such a technique may be referred to as spatial multiplexing. For example, a transmitting device may transmit multiple signals via different antennas or different antenna combinations. Similarly, a receiving device may receive multiple signals via different antennas or different antenna combinations. Each of these multiple signals may be referred to as a separate spatial stream and may carry bits associated with the same data stream (such as the same codeword) or different data streams (such as different codewords). Different spatial layers may be associated with different antenna ports for channel measurement and reporting. MIMO technologies include single-user MIMO (SU-MIMO), in which multiple spatial layers are transmitted to the same receiving device; and multi-user MIMO (MU-MIMO), in which multiple spatial layers are transmitted to multiple devices.

[0079] Beamforming (which may also be referred to as spatial filtering, directional transmission, or directional reception) is a signal processing technique that can be used at a transmitting device or a receiving device (such as a base station 105 or a UE 115) to shape or steer an antenna beam (such as a transmit beam or a receive beam) along a spatial path between the transmitting device and the receiving device. Beamforming can be achieved by combining signals conveyed via antenna elements of an antenna array so that some signals propagating at a particular orientation relative to the antenna array experience constructive interference, while other signals experience destructive interference. Adjustments to signals conveyed via antenna elements can include the transmitting device or the receiving device applying an amplitude offset, a phase offset, or both to the signals carried via the antenna elements associated with that device. The adjustments associated with each antenna element can be defined by a set of beamforming weights associated with a particular orientation (such as relative to the antenna array of the transmitting device or the receiving device, or relative to some other orientation).

[0080] The base station 105 or the UE 115 may use beam sweeping techniques as part of a beamforming operation. For example, the base station 105 may use multiple antennas or antenna arrays (such as antenna panels) to perform beamforming operations for directional communication with the UE 115. Some signals (such as synchronization signals, reference signals, beam selection signals, or other control signals) may be transmitted multiple times by the base station 105 in different directions. For example, the base station 105 may transmit signals according to different sets of beamforming weights associated with different transmission directions. The transmissions in different beam directions may be used (such as by a transmitting device (such as the base station 105) or a receiving device (such as the UE 115)) to identify a beam direction for later transmission or reception by the base station 105.

[0081] Some signals, such as data signals associated with a particular recipient device, may be transmitted by base station 105 in a single beam direction, such as a direction associated with a recipient device, such as UE 115. In some examples, a beam direction associated with a transmission along a single beam direction may be determined in relation to signals transmitted in one or more beam directions. For example, UE 115 may receive one or more signals transmitted by base station 105 in different directions and may report to base station 105 an indication of the signal received by UE 115 with the highest signal quality or other acceptable signal quality.

[0082] In some examples, transmission by a device (such as, by base station 105 or UE 115) may be performed using multiple beam directions, and the device may use a combination of digital precoding or radio frequency beamforming to generate a combined beam for transmission (such as, from base station 105 to UE 115). UE 115 may report feedback indicating precoding weights for one or more beam directions, and the feedback may correspond to a configured number of beams across the system bandwidth or one or more subbands. Base station 105 may transmit reference signals that may be precoded or unprecoded (such as, cell-specific reference signals (CRS), channel state information reference signals (CSI-RS)). UE 115 may provide feedback for beam selection, which may be a precoding matrix indicator (PMI) or codebook-based feedback (such as, a multi-panel type codebook, a linear combination type codebook, a port selection type codebook). Although these techniques are described with reference to signals transmitted by base station 105 in one or more directions, UE 115 may use similar techniques to transmit signals multiple times in different directions (such as for identifying a beam direction for subsequent transmission or reception by UE 115) or to transmit signals in a single direction (such as for transmitting data to a receiving device).

[0083] A receiving device (such as UE 115) may attempt multiple receive configurations (such as directional listening) when receiving various signals (such as synchronization signals, reference signals, beam selection signals, or other control signals) from base station 105. For example, the receiving device may attempt multiple receive directions by receiving via different antenna subarrays, processing received signals according to different antenna subarrays, receiving according to different receive beamforming weight sets applied to signals received at multiple antenna elements of an antenna array (such as different directional listening weight sets), or processing received signals according to different receive beamforming weight sets applied to signals received at multiple antenna elements of an antenna array, any of which may be referred to as "listening" according to different receive configurations or receive directions. In some examples, the receiving device may use a single receive configuration to receive along a single beam direction (such as when receiving a data signal). The single receive configuration may be aligned with a beam direction determined in association with listening according to different receive configuration directions (such as a beam direction determined to have the highest signal strength, highest signal-to-noise ratio (SNR), or other acceptable signal quality in association with listening according to multiple beam directions).

[0084] The wireless communication system 100 can be a packet-based network that operates according to a layered protocol stack. In the user plane, the communication of the bearer or packet data convergence protocol (PDCP) layer can be IP-based. The radio link control (RLC) layer can perform packet segmentation and reassembly to communicate on the logical channel. The media access control (MAC) layer can perform priority handling and multiplex the logical channel into the transport channel. The MAC layer can also use error detection technology, error correction technology, or both to support retransmission of the MAC layer to improve link efficiency. In the control plane, the radio resource control (RRC) protocol layer can provide the establishment, configuration and maintenance of the RRC connection of the radio bearer that supports user plane data between the UE 115 and the base station 105 or the core network 130. In the physical layer, the transport channel can be mapped to the physical channel.

[0085] In a wireless communication system 100, one or more UEs 115 and base stations 105 may communicate in an ultra-wide bandwidth (e.g., a 14 GHz bandwidth, a 25 GHz bandwidth, or a bandwidth greater than 3 GHz). However, a UE 115 may be configured (e.g., with hardware / antenna configuration) to have a default operating frequency that may differ from the default operating frequency of other devices in the system (e.g., other UEs 115 or base stations 105), which may result in reduced performance in the system. Accordingly, a serving wireless device (e.g., base station 105 or UE 115) may identify a default operating frequency for the system associated with a majority scheme, a priority scheme, or a combination thereof. The wireless device may adjust one or more codebook parameters (e.g., the wireless device may adjust the hardware or antenna configuration by changing beamforming parameters via the codebook) so that the wireless device communicates using the system default operating frequency. The wireless device may indicate the default operating frequency for the system to other devices. This indication may be transmitted via RRC signaling, control signaling, etc. UE 115 and base station 105 may communicate over the ultra-wide bandwidth associated with the indicated codebook parameters.

[0086] Figure 2 An example of a signaling diagram 200 supporting beamforming parameter adaptation techniques is shown. The signaling diagram 200 can support beamforming parameter adaptation techniques for a wireless communication system. In some examples, the signaling diagram 200 can implement aspects of the wireless communication system 100. For example, the signaling diagram 200 includes a UE 115-a and a base station 105-a, which can each refer to Figure 1 Examples of UE 115 and base station 105 are described, as well as other examples of wireless nodes. It should be understood that references to specific wireless devices (e.g., UE or base station) in the following figures are provided for illustrative purposes, and that different wireless devices not specifically referenced herein may be used interchangeably with those described herein (e.g., the described techniques may be implemented by infrastructure (infra) nodes, small cell nodes, integrated access and backhaul (IAB) nodes, relays, or any combination thereof, as well as other examples of wireless nodes). Similarly, in some implementations, operations described as performed by a UE may be performed by a base station, and vice versa.

[0087] Base station 105-a may communicate with UE 115 via communication link 205, which may be a reference to Figure 1Examples of the communication link 125 described. For example, the base station 105-a and the UE 115-a may transmit or receive communications 220-a in a relatively high frequency range, such as in Frequency Range 4 (FR4) (e.g., including the 52.6 GHz–114.25 GHz band, which may be referred to as the upper mmW band or the sub-terahertz range, among other examples). In some implementations, in the upper mmW band, a device may implement relatively more antenna elements packed into the same physical aperture in FR4 compared to Frequency Range 2 (FR2) (e.g., FR4 may be associated with relatively large antenna arrays). Communications in such frequency ranges may utilize relatively wide bandwidths (e.g., ultra-wide bandwidths, such as 1 GHz bandwidths, 25 GHz bandwidths, bandwidths greater than 3 GHz, etc.), which may improve performance and beamforming gain.

[0088] In some implementations, a single RF chain for an antenna array at a wireless device may be used for the entire bandwidth. In such implementations, the RF chain may have a hardware configuration suitable for beamforming at certain frequencies (e.g., a single set of phase shifters and gain control, spacing between antenna elements). For example, the spacing between antenna elements may be fixed to a value that provides relatively high beamforming array gain and performance at certain frequencies (e.g., a default operating frequency associated with relatively high array gain). Such a default operating frequency may be a result of the hardware configuration of the corresponding device. For example, UE 115-a may include hardware configured to perform beamforming using several RF chains on the antenna array. The antenna array setup may include a fixed spacing between antenna elements, a single set of phase shifters (e.g., if UE 115-a uses a single RF chain), or both, which may result in operation at the default operating frequency for UE 115-a (e.g., 70 GHz).

[0089] In some implementations, the wireless device may determine a default operating frequency corresponding to the wireless device. The wireless device may be configured to have a default operating frequency for a corresponding carrier frequency. For example, the default operating frequency may be a frequency that maximizes the array gain for the carrier frequency (e.g., the antenna array may have an inter-element spacing represented as d=λ / 2 for the default operating frequency, where λ represents the carrier wavelength). The default operating frequency may be device-specific, RF chain-specific, or a combination thereof. The default operating frequency may correspond to one or more parameters of a codebook at the wireless device. For example, the wireless device may perform analog / RF beamforming using a limited number of RF chains on the antenna array of the wireless device (made of one or more antenna panels). The analog / RF beamforming codebook may be relatively efficient for some carrier frequencies (such as the default operating frequency) over an ultra-wide bandwidth. In some examples, the parameters of the codebook may be referred to as codebook entries. The parameters of the codebook may include phase shifters and gain controls.

[0090] In some examples, signaling diagram 200 may include multiple devices operating at different default operating frequencies (e.g., each device may be designed with a different antenna array setup and the same or different frequencies for analog / RF beamforming). For example, base station 105-a may be a serving device for the system and may operate at a first default operating frequency (e.g., the baseline analog / RF beamforming codebook configured at base station 105-a may be tuned to a default operating frequency of 71 GHz). UE 115-a, UE 115-b, and UE 115-c may operate at one or more other frequencies (e.g., UE 115-a may operate at a default operating frequency of 70 GHz, UE 115-b may operate at a default operating frequency of 57 GHz, and UE 115-c may operate at a default operating frequency of 63 GHz, although any number of UEs 115 or default operating frequencies are possible). In some examples, if base station 105-a transmits communications 220 using the default operating frequency of base station 105-a, UEs 115 having different default operating frequencies may experience relatively poor beamforming performance, which may result in inefficient communications 220. For example, communicating via a frequency different from the default operating frequency may result in beam squint. As an illustrative example, UE 115-b may have a default operating frequency of 57 GHz and, when communicating at the default operating frequency of base station 105-a of 71 GHz, may experience a loss in beamforming performance. However, UE 115-a may have a default operating frequency of 70 GHz and, when communicating at the default operating frequency of base station 105-a, may experience relatively efficient communications.

[0091] Thus, the techniques described herein may enable a serving device, such as base station 105-a, to determine a default operating frequency of signaling diagram 200 that is associated with a default operating frequency of UE 115. For example, base station 105-a may adapt its codebook parameters to serve UE 115 with the determined default operating frequency, which may enhance the overall performance of signaling diagram 200.

[0092] The base station 105-a may identify a default operating frequency for the UE 115. For example, each UE 115 may broadcast or otherwise share their respective default operating frequency with the base station 105-a. For example, the UE 115-a may send a capability message 225-a indicating the default operating frequency for the UE 115-a (e.g., via RRC signaling and other examples of control signaling, such as medium access control (MAC) control element (CE) messaging, information in a downlink control information (DCI) message, or a combination thereof). The base station 105-a may receive the capability messages 225 from one or more UEs 115 and, in response to these messages, identify the default operating frequency. In some implementations, the base station 105-a may send a request message to one or more UEs 115 requesting the capability message 225 from the UE 115. As an example, the UE 115-a may receive the request message and, in response to receiving the request message, may transmit a capability message 225-a indicating the default operating frequency for the UE 115-a. In some examples, the request message, the capability message 225, or both may be included in control signaling (such as, RRC signaling, MAC-CE messaging, information in a DCI message or uplink control information (UCI) message, or any combination thereof, and other examples of control signaling).

[0093] The base station 105-a may select one or more codebook parameters for a beamforming codebook for one or more devices associated with the identified default operating frequency. For example, the base station 105-a may determine a frequency at which to tune the analog / RF beamforming codebook of the base station 105-a. For example, the base station 105-a may adjust one or more parameters of the codebook (such as phase shifter parameters, gain control parameters, or a combination thereof, as well as other examples of codebook parameters) for communication at the determined frequency 220. This frequency may be referred to as the default operating frequency for the system.

[0094] The base station 105-a may determine a system default operating frequency associated with a default operating frequency for the UE 115. In some examples, the base station 105-a may determine the default operating frequency according to a majority scheme. In one implementation, the base station 105-a may select a default operating frequency (or a relatively close frequency value) associated with the maximum number of devices served by the base station 105-a as a target frequency for the codebook of the base station 105-a (e.g., the system default operating frequency). As an illustrative example, the base station 105-a may determine that a majority of the capability messages 225 from the UE 115 indicate the same default operating frequency (e.g., UE 115-a and UE 115-b may be associated with a default operating frequency of 71 GHz, and the base station 105-a may determine that the system default operating frequency of 71 GHz satisfies the highest number of UEs 115 in the system). In some implementations, the base station 105-a may determine the system default operating frequency in response to whether one or more thresholds are met. For example, the base station 105-a may determine that a threshold number of UEs 115-a have reported the same or similar default operating frequency (e.g., a majority, a configured percentage, a minimum number, and other examples of thresholds). The base station 105-a may select the same or similar operating frequency for the wireless communication system in response to determining that one or more thresholds are met.

[0095] Additionally or alternatively, the base station 105-a may determine the system default operating frequency according to a priority scheme (e.g., the determination may be priority-based). In some examples, the base station 105-a may configure a priority indicator for one or more devices in the signaling diagram 200. For example, the base station 105-a may assign a priority or weighting factor to each UE 115-a (e.g., the base station 105-a may assign a set of priorities or weighting factors, denoted as w, to the N devices in the signaling diagram 200). i, where i=1, 2, ...N). In some examples, the priority of a device may be related to or capture the capabilities of the device. For example, the priority assigned to UE 115-a may be associated with the capabilities of UE 115-a indicated by the capabilities message 225-a (e.g., UE 115-a may include a default operating frequency priority for UE 115-a, or other parameters of the message may indicate the priority of UE 115-a to base station 105-a). Additionally or alternatively, the priority of a device may be associated with a scheduled communication 220 with the device. For example, base station 105-a may determine that UE 115-b is associated with a relatively higher data rate for communication 220-b compared to UE 115-c's data rate for communication 220-c (e.g., base station 105-a may compare the data rate of UE 115-b or other parameters associated with communication 220-b with the data rate of UE 115-c or other parameters associated with communication 220-c). Base station 105-a may assign a relatively higher priority or weighting factor to UE 115-b associated with a comparison indicating that UE 115-b corresponds to higher priority communications 220 (e.g., a low latency parameter). Thus, a device whose default operating frequency, associated with the device's capabilities or other factors, or both, is relatively more important to base station 105-a may correspond to a relatively higher priority. In some examples, the priority may vary over time, the priority may be relatively static, the priority may be reset each time the device is restarted, or any combination thereof.

[0096] In some implementations, the base station 105-a may configure one or more devices to report signal measurements. The base station 105-a may receive reported signal measurements for one or more frequencies from one or more devices and determine a system default operating frequency or a priority of a device associated with the report. For example, the base station 105-a may configure a set of sampling frequencies (e.g., sampling frequencies over an ultra-wide bandwidth) to at least the UE 115-c via control signaling (such as, RRC signaling). The UE 115-c may measure signal changes on each frequency in the configured set of frequencies. For example, the UE 115-c may determine an SNR, a signal to interference plus noise ratio (SINR), a reference signal received power (RSRP), a reference received quality (RSRQ), a received signal strength indicator (RSSI), and other examples of signal measurements. The UE 115 may report such measurements to the base station 105-a. For example, device i may report the corresponding SNR i (f k ), where k represents each frequency in the configured set of sampling frequencies (eg, when UE 115 is configured with K frequencies, k=1, 2, ...K).

[0097] Base station 105-a may determine a default operating frequency for the system associated with the reported information (e.g., a default operating frequency for at least the codebook of base station 105-a). As an illustrative example only, base station 105-a may calculate the default frequency for the codebook "Best freq" represented by Equation 1:

[0098]

[0099] In Formula 1, k may represent a frequency k in a configured set of K sampling frequencies, w i may represent a weighting factor or priority indicator for device i, and SNR i (f k ) may represent the SNR measurement of device i for frequency k, although any type of signal measurement may be used.

[0100] The base station 105-a may adjust one or more parameters of the codebook associated with the determined default operating frequency. For example, the base station 105-a may adjust the one or more parameters to update the beam scanning periodicity, steer the beam to a different direction and frequency, and other examples, for communication 220 using the determined default operating frequency for the system. In some examples, the one or more parameters of the codebook may be included in a lookup table or other mapping (e.g., a parameter matrix) stored at the device. The base station 105-a may apply a transform from a first matrix (e.g., a parameter table corresponding to the default operating frequency of the base station 105-a) to obtain a second matrix (e.g., a second parameter table corresponding to the determined default operating frequency of the system).

[0101] The base station 105-a may indicate one or more parameters to the UE 115. For example, the base station 105-a may send control signaling or other messaging indicating the adjusted one or more parameters of the codebook. The adjusted one or more parameters may include an indication of a determined default operating frequency for the system. For example, the one or more parameters may indicate that the base station 105-a may communicate using the determined default operating frequency.

[0102] UE 115 may determine one or more parameters associated with the indication. In some implementations, UE 115 may update one or more communication parameters associated with the indicated default operating frequency or parameters. For example, UE 115-a may update its own codebook parameters for communicating at the system default operating frequency. Additionally or alternatively, UE 115-a may adjust other communication parameters, such as a modulation and coding scheme (MCS), uplink rate control parameters, power control parameters, and other parameter examples. As an illustrative example, UE 115-a may determine that the system default operating frequency at base station 105-a may be different from the default operating frequency of UE 115-a. In such an example, UE 115-a may adjust the MCS to improve the reliability of communication. For example, UE 115-a may determine that the efficiency of communication 220-a may be relatively low due to the difference between the default operating frequency indicated by base station 105-a and the default operating frequency of UE 115-a, and UE 115-a may select a more robust MCS associated with this determination.

[0103] Figure 3 A diagram of an example frequency scheme 300 supporting beamforming parameter adaptation techniques is shown. The frequency scheme 300 can support beamforming parameter adaptation techniques for a wireless communication system. In some examples, the frequency scheme 300 can implement aspects of the wireless communication system 100 or the signaling diagram 200. For example, the frequency scheme 300 can illustrate an example of reported signal measurements for a configured frequency set of three wireless devices 310, 315, and 320, which can be wireless devices 310, 315, and 320 as referred to herein. Figure 1 and 2 Examples of wireless devices are described.

[0104] Although the frequency scheme 300 may show four frequencies 305 for illustrative clarity, it should be understood that any number of frequencies 305 may be configured as described herein. For example, the serving wireless device may configure wireless devices 310, 315, and 320 to report measurements for frequencies 305-a, 305-b, 305-c, and 305-d. In some implementations, the serving wireless device may transmit control signaling (e.g., as described with reference to FIG. 1 ) to configure the frequency set 305. Figure 2 A configured set of sampling frequencies for the described ultra-wideband band).

[0105] Each of the wireless devices 310, 315, and 320 can determine an SNR for each frequency 305 in the frequency set 305, as shown in the frequency scheme 300, although other methods can be used as described with reference to FIG. Figure 2Any type of signal measurement may be implemented as described. As an illustrative example, a wireless device 310 may have a default operating frequency of 60 GHz. Signal measurements of the wireless device 310 may peak at or relatively close to the default operating frequency (e.g., frequency 305-c may be 60 GHz) and may be relatively lower at other frequencies 305 (e.g., signal measurements may drop at frequency 305-d (e.g., 71 GHz), depending on the device's properties, such as the default operating frequency described herein).

[0106] The wireless devices 310, 315, and 320 may report the determined measurements to the serving wireless device. Figure 2 As described, the serving wireless device may select one or more codebook parameters associated with the reported information. For example, the serving wireless device may determine a default operating frequency for the system associated with the report transmitted by each of the wireless devices 310, 315, and 320. In some examples, this report may be part of a beam training procedure or other beam sweeping procedure performed by the serving wireless device. The serving wireless device may indicate the default operating frequency associated with the referenced wireless device. Figure 2 Determining one or more parameters of a codebook for an associated serving wireless device is described.

[0107] Figure 4 An example wireless communication system 400 supporting beamforming parameter adaptation techniques is illustrated. The wireless communication system 400 can support beamforming parameter adaptation techniques for a wireless communication system. In some examples, the wireless communication system 400 can implement aspects of the wireless communication system 100, the signaling diagram 200, or the frequency scheme 300. Base stations 105-b and 105-c can each be an example of one or more aspects of base station 105 described herein, including with reference to Figure 1-3 UEs 115-d, 115-e, 115-f, 115-g, and 115-h may each be an example of one or more aspects of UE 115 described herein, including with reference to Figure 1-3 . It should be understood that references to specific wireless devices (e.g., UEs or base stations) in the following figures are provided for illustrative purposes, and that different wireless devices not specifically mentioned herein may be used interchangeably with those described herein (e.g., the described techniques may be implemented by base nodes, small cell nodes, integrated access and backhaul (IAB) nodes, repeaters (dumb and smart), relay / sidelink nodes, or any combination thereof, as well as other examples of wireless nodes). Likewise, in some implementations, operations described as performed by a UE may be performed by a base station, and vice versa.

[0108] In some examples, the wireless communication system 400 may illustrate an example of a relatively dense mmW deployment that provides relatively robust coverage for devices of the wireless communication system 400 in geographic coverage areas 110-b, 110-c, and 110-d. For example, the wireless communication system may include one or more infrastructure nodes (e.g., small cell nodes, IAB nodes, relay / sidelink nodes, repeaters (dumb and smart), customer premises equipment (CPE), etc.). Although illustrated as a base station 105 and a UE 115, the devices of the wireless communication system 400 may additionally or alternatively represent or include such other infrastructure nodes. In some implementations, a UE 115 may see multiple infrastructure nodes and other UEs 115 in the network.

[0109] Accordingly, reference herein to at least Figure 2 The described techniques may be implemented by other devices, communication systems, communication links (e.g., access link 405 between base station 105 and UE 115, side link 410 between UEs 115, or other types of links between devices), or any combination thereof. For example, wireless communication system 400 may illustrate examples of communication with UE 115-e in access link 405-a with base station 105-b (e.g., access link setup), in side link 410-a with UE 115-f (e.g., side link setup), between a base node and other base nodes or UE 115, or any combination thereof. A wireless node may implement a method as described herein with reference to Figure 2 The beamforming parameter adaptation techniques described herein may include, for example, a wireless node coordinating with one or more other nodes based on the communication of feedback information and the selection of simulation parameters determined from the feedback information.

[0110] As an illustrative example, UE 115-e may form a sidelink network with UE 115-f and UE 115-g, an access link network with base station 105-b (e.g., a first transmit-receive point (TRP)) and base station 105-c (e.g., a second TRP), or any combination thereof. UE 115-e may determine a default operating frequency for one or more nodes. For example, base station 105 may broadcast or otherwise indicate their respective default operating frequencies to UE 115-e. Additionally or alternatively, UE 115-e may determine the default operating frequencies for UE 115-f and 115-g. For example, UE 115-e may transmit a request for a capability message to other UEs 115 using control signaling (e.g., sidelink control signaling, RRC signaling, and other examples of control signaling). UE 115-e may receive a capability message in response to transmitting the request. The capability message may indicate the default operating frequency of the node. For example, UE 115-f may transmit a capability message indicating a default operating frequency for UE 115-f. UE 115-e may determine as herein referred to Figure 2 For example, the UE 115-e may determine an operating frequency associated with a default operating frequency of other nodes, associated with one or more signal measurement reports, associated with a majority scheme, associated with a priority scheme, or any combination thereof.

[0111] Figure 5 An example process flow 500 supporting beamforming parameter adaptation techniques is shown. The process flow 500 can support beamforming parameter adaptation techniques for wireless communication systems. In some examples, the process flow 500 can be implemented as described with reference to Figure 1-4 Aspects of the described wireless communication systems 100 or 400, signaling diagrams 200, or frequency schemes 300. For example, process flow 500 may include wireless devices 505, 510, and 515, which may be examples of base stations 105, UEs 115, infrastructure nodes, CPEs, IAB nodes, repeaters, sidelink nodes, or any combination thereof as described herein. Process flow 500 may illustrate an example of the serving wireless device 505 selecting codebook parameters associated with (e.g., based on or in response to) capability information from wireless devices 510 and 515.

[0112] In the following description of process flow 500, operations between wireless devices 505, 510, and 515 may be transmitted in a different order than shown, or operations performed by the wireless devices may be performed in a different order or at a different time. Certain operations may also be excluded from process flow 500, or other operations may be added to process flow 500.

[0113] In some examples, at 520, wireless device 505 may transmit a request to one or both of wireless devices 510 and 515. For example, wireless device 505 may transmit a request for a capabilities message to wireless device 510 or wireless device 515. Additionally or alternatively, wireless device 505 may transmit a request for one or more reports described herein (e.g., a signal measurement report).

[0114] At 525, wireless device 510, wireless device 515, or both may send a capability message to wireless device 505. For example, wireless device 510 may transmit a capability message indicating a default operating frequency for wireless device 510, while wireless device 515 may transmit a capability message indicating a default operating frequency for wireless device 515. In some examples, wireless devices 510 and 515 may transmit the capability message in response to the request received at 520. Additionally or alternatively, wireless device 510 or 515 may transmit one or more reports as described herein. For example, wireless device 510 may include one or more signal measurement reports in the capability message, or may report signal measurements separately from the capability message.

[0115] At 530, the wireless device 505 may select one or more codebook parameters associated with the received capability message. For example, the wireless device 505 may determine the codebook parameters as described herein with reference to Figure 2 The operating frequencies described (eg, the wireless device 505 may select a default operating frequency associated with a priority scheme, a majority scheme, capabilities of the wireless devices 510 and 515, a default operating frequency of the wireless devices 510 and 515, or any combination thereof).

[0116] At 535, wireless device 505 may send one or more indication messages to wireless device 510 or wireless device 515. For example, wireless device 505 may indicate the selected one or more codebook parameters to wireless device 510 and wireless device 515. In some examples, the one or more codebook parameters may indicate the determined operating frequency for the system.

[0117] At 540, the wireless device may communicate in response to the indication message. For example, the wireless device 505 may adjust (e.g., adapt) one or more codebook parameters to the selected codebook parameters (e.g., the wireless device 505 may communicate at the determined operating frequency for the system). Additionally or alternatively, the wireless devices 510 and 515 may adjust one or more parameters for communication, as described herein with reference to Figure 2 described.

[0118] Figure 6 A block diagram 600 of a wireless device 605 supporting beamforming parameter adaptation techniques is shown. The wireless device 605 may be an example of aspects of a UE 115 or a base station 105 as described herein. The wireless device 605 may include a receiver 610, a communication manager 615, and a transmitter 620. The wireless device 605 may also include a processor. Each of these components may be in communication with each other (such as via one or more buses).

[0119] The receiver 610 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to beamforming parameter adaptation techniques for wireless communication systems). The information may be passed to other components of the wireless device 605. The receiver 610 may be a receiver such as that described in reference to FIG. Figure 9 and 10 Examples of aspects of the described transceiver 920 or 1020. The receiver 610 may utilize a single antenna or a set of antennas.

[0120] In some examples, wireless device 605 may be an example of a wireless device that selects and indicates one or more codebook parameters. In such examples, the communication manager 615 may receive a capability message from at least another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the other wireless device, a default operating frequency priority of the other wireless device, or both; select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; transmit an indication of the one or more codebook parameters to at least the other wireless device; and communicate with at least the other wireless device based on the one or more codebook parameters.

[0121] In some examples, wireless device 605 may be an example of a wireless device that receives an indication of one or more codebook parameters. In such examples, the communication manager 615 may also transmit a capability message to another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the wireless device, a default operating frequency priority of the wireless device, or both; receive an indication of one or more codebook parameters associated with transmitting the capability message from the other wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and communicate with the other wireless device based on the one or more codebook parameters. The communication manager 615 may be an example of aspects of the communication manager 910 or 1010 as described herein.

[0122] In some implementations, the communications manager 615 , when acting as a processor or processing system, may obtain signaling from the receiver 610 using the first interface and may output signaling for transmission via the transmitter 620 using the first interface or the second interface.

[0123] The communication manager 615 or its subcomponents can be physically located at various locations, including being distributed such that portions of functionality are implemented by one or more physical components at different physical locations. In some examples, according to various aspects of the present disclosure, the communication manager 615 or its subcomponents can be separate and distinct components. In some examples, according to various aspects of the present disclosure, the communication manager 615 or its subcomponents can be combined with one or more other hardware components, including but not limited to input / output (I / O) components, a transceiver, a network server, another computing device, one or more other components described in the present disclosure, or a combination thereof.

[0124] The transmitter 620 can transmit signals generated by other components of the device 605. In some examples, the transmitter 620 can be co-located with the receiver 610 in a transceiver module. For example, the transmitter 620 can be as described with reference to FIG. Figure 9 and 10Examples of aspects of the described transceiver 920 or 1020. The transmitter 620 may utilize a single antenna or a set of antennas.

[0125] Figure 7 A block diagram 700 of a wireless device 705 supporting beamforming parameter adaptation techniques is shown. The wireless device 705 may be an example of aspects of the wireless device 605, UE 115, or base station 105 as described herein. The wireless device 705 may include a receiver 710, a communication manager 715, and a transmitter 750. The wireless device 705 may also include a processor. Each of these components may be in communication with each other (such as via one or more buses).

[0126] The receiver 710 may receive information such as packets, user data, or control information associated with various information channels (e.g., control channels, data channels, and information related to beamforming parameter adaptation techniques for wireless communication systems). The information may be passed to other components of the device 705. The receiver 710 may be a receiver such as that described in reference to FIG. Figure 9 and 10 Examples of aspects of the described transceiver 920 or 1020. The receiver 710 may utilize a single antenna or a set of antennas.

[0127] The communication manager 715 can be an example of aspects of the communication manager 615 as described herein. The communication manager 715 can include a capability component 720, a codebook component 725, an indication transmitter 730, a communication component 735, a capability message transmitter 740, and an indication receiver 745. The communication manager 715 can be an example of aspects of the communication manager 910 or 1010 as described herein.

[0128] In some examples, wireless device 705 can be an example of a wireless device that selects and indicates one or more codebook parameters. In such examples, capability component 720 can receive, at the wireless device, a capability message from at least another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the other wireless device, a default operating frequency priority of the other wireless device, or both.

[0129] Codebook component 725 can select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0130] The indication transmitter 730 may transmit an indication of the one or more codebook parameters to at least the other wireless device.

[0131] The communication component 735 can communicate with at least the other wireless device according to the one or more codebook parameters.

[0132] In some examples, wireless device 705 can be an example of a wireless device that receives an indication of one or more codebook parameters. In such examples, capability message transmitter 740 can transmit a capability message to another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the wireless device, a default operating frequency priority of the wireless device, or both.

[0133] The indication receiver 745 may receive, from the other wireless device, an indication of one or more codebook parameters associated with transmitting the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0134] Communication component 735 can communicate with the other wireless device according to the one or more codebook parameters.

[0135] The transmitter 750 may transmit signals generated by other components of the device 705. In some examples, the transmitter 750 may be co-located with the receiver 710 in a transceiver module. For example, the transmitter 750 may be a transceiver module as described with reference to FIG. Figure 9 and 10 Examples of aspects of the described transceiver 920 or 1020. The transmitter 750 may utilize a single antenna or a set of antennas.

[0136] Figure 8 A block diagram 800 of a wireless device 805 supporting beamforming parameter adaptation techniques is shown. The communication manager 805 can be an example of aspects of the communication manager 615, the communication manager 715, or the communication manager 910 described herein. The communication manager 805 can include a capability component 810, a codebook component 815, an indication transmitter 820, a communication component 825, a report receiver 830, a control signaling transmitter 835, an adjustment component 840, a request transmitter 845, a selection component 850, an assignment component 855, a capability message transmitter 860, an indication receiver 865, a report transmitter 870, a control signaling receiver 875, a parameter component 880, and a request receiver 885. Each of these modules can communicate with each other directly or indirectly (such as via one or more buses).

[0137] In some examples, the communication manager 805 can be implemented by a wireless device that selects and transmits an indication of one or more codebook parameters. In such examples, the capability component 810 can receive a capability message from at least one other wireless device in the wireless communication system, the capability message indicating a default operating frequency of the other wireless device, a default operating frequency priority of the other wireless device, or both. In some examples, the capability component 810 can receive a set of capability messages from a set of wireless devices, the set of capability messages including the capability message from the other wireless device. The codebook component 815 can select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0138] The indication transmitter 820 may transmit an indication of the one or more codebook parameters to at least the other wireless device.

[0139] The communication component 825 can communicate with at least the other wireless device according to the one or more codebook parameters. In some examples, the communication component 825 can communicate using a default operating frequency for the wireless communication system.

[0140] The report receiver 830 may receive one or more reports from at least the other wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.In some implementations, the capabilities message includes the one or more reports from at least the other wireless device.

[0141] The control signaling transmitter 835 may transmit control signaling to at least the other wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0142] Adjustment component 840 can adjust the first default operating frequency of the wireless device to the default operating frequency for the wireless communication system based on one or more codebook parameters. In some examples, adjustment component 840 can adjust the first default operating frequency of the wireless device to the default operating frequency for the wireless communication system based on receiving an indication.

[0143] The request transmitter 845 may transmit a request for a capabilities message to at least the other wireless device, wherein receiving the capabilities message is associated with transmitting the request.

[0144] The selecting component 850 can select a default operating frequency for the wireless communication system based on a majority of the capability message set indicating a default operating frequency for the wireless communication system. In some examples, selecting the default operating frequency for the wireless communication system can be based on a default operating frequency priority set, the default operating frequency priority set including a respective operating frequency priority associated with each wireless device in the set of wireless devices, wherein the default operating frequency priority set includes the default operating frequency priority of the other wireless device. In some examples, selecting the default operating frequency for the wireless communication system can be based on a default operating frequency set including a respective default operating frequency associated with each wireless device in the set of wireless devices, wherein the default operating frequency set includes the default operating frequency of the other wireless device.

[0145] The assigning component 855 can assign the default operating frequency priority of the other wireless device to at least the other wireless device.In some implementations, the default operating frequency priority of the other wireless device corresponds to the capability of the other wireless device.

[0146] In some examples, the communication manager 805 can be implemented by a wireless device that receives an indication of one or more codebook parameters. In such examples, the report transmitter 870 can transmit one or more reports to the first wireless device indicating a signal-to-noise ratio for one or more frequencies.

[0147] The capability message transmitter 860 may transmit a capability message to another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the wireless device, a default operating frequency priority of the wireless device, or both.

[0148] The indication receiver 865 may receive an indication of one or more codebook parameters based on the transmit capability message from another wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0149] The control signaling receiver 875 may receive control signaling from at least the other wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0150] Parameter component 880 can determine one or more codebook parameters based on the received indication.

[0151] The request receiver 885 may receive a request for a capabilities message from the other wireless device, wherein transmitting the capabilities message is based on the request for the capabilities message.

[0152] Figure 9A diagram of a system 900 including a wireless device 905 supporting beamforming parameter adaptation techniques is shown. The wireless device 905 can be an example of, or include components of, the wireless device 605, wireless device 705, or UE 115 as described herein. The wireless device 905 may include components for two-way voice and data communications, including components for transmitting and receiving communications, including a communication manager 910, a transceiver 920, an antenna 925, a memory 930, a processor 940, and an I / O controller 950. These components can be in electronic communication via one or more buses, such as a bus 955.

[0153] In some implementations (e.g., when the wireless device 905 selects and indicates one or more codebook parameters), the communication manager 910 may: receive a capability message from at least another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the other wireless device, a default operating frequency priority of the other wireless device, or both; select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; transmit an indication of the one or more codebook parameters to at least the other wireless device; and communicate with at least the other wireless device based on the one or more codebook parameters.

[0154] In some implementations (e.g., when the wireless device 905 receives an indication of one or more codebook parameters), the communication manager 910 may additionally or alternatively: transmit a capabilities message to another wireless device in the wireless communication system, the capabilities message indicating a default operating frequency of the wireless device, a default operating frequency priority of the wireless device, or both; receive from the other wireless device (e.g., in conjunction with or in response to transmitting the capabilities message) an indication of one or more codebook parameters indicating a default operating frequency for the wireless communication system; and communicate with the other wireless device based on the one or more codebook parameters.

[0155] The transceiver 920 can communicate bidirectionally via one or more antennas, wired or wireless links, as described herein. For example, the transceiver 920 can represent a wireless transceiver and can communicate bidirectionally with another wireless transceiver. The transceiver 920 can also include a modem to modulate packets and provide the modulated packets to the antenna for transmission, and demodulate packets received from the antenna.

[0156] In some implementations, a wireless device may include a single antenna 925. However, in some implementations, the device may have more than one antenna 925, which may be capable of transmitting or receiving multiple wireless transmissions concurrently.

[0157] The memory 930 may include RAM, ROM, or a combination thereof. The memory 930 may store computer-readable code 935 including instructions that, when executed by a processor (such as processor 940), cause the device to perform the various functions described herein. In some implementations, the memory 930 may include, among other things, a basic input / output system (BIOS), which may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0158] The I / O controller 950 can manage input and output signals for the device 905. The I / O controller 950 can also manage peripheral devices that are not integrated into the device 905. In some implementations, the I / O controller 950 can represent a physical connection or port to an external peripheral device. In some implementations, the I / O controller 950 can utilize an operating system, such as or another known operating system. In other cases, I / O controller 950 may represent or interact with a modem, keyboard, mouse, touch screen, or similar device. In some implementations, I / O controller 950 may be implemented as part of a processor. In some implementations, a user may interact with device 905 via I / O controller 950 or via hardware components controlled by I / O controller 950.

[0159] The code 935 may include instructions for implementing various aspects of the present disclosure, including instructions for supporting wireless communications. The code 935 may be stored in a non-transitory computer-readable medium, such as system memory or other types of memory. In some implementations, the code 935 may not be directly executed by the processor 940, but may cause a computer (such as when compiled and executed) to perform the functions described herein.

[0160] Figure 10 A diagram of a system 1000 including a wireless device 1005 supporting beamforming parameter adaptation techniques is shown. The wireless device 1005 can be an example of, or include a component of, a wireless device 605, a wireless device 705, or a base station 105 as described herein. The wireless device 1005 may include components for two-way voice and data communications, including components for transmitting and receiving communications, including a communication manager 1010, a network communication manager 1015, a transceiver 1020, an antenna 1025, a memory 1030, a processor 1040, and an inter-station communication manager 1045. These components may be in electronic communication via one or more buses, such as a bus 1055.

[0161] In some implementations, the wireless device 1005 may be an example of a wireless device that selects and indicates one or more codebook parameters. In such implementations, the communication manager 1010 may receive a capability message from at least another wireless device in the wireless communication system, the capability message indicating a default operating frequency of the other wireless device, a default operating frequency priority of the other wireless device, or both; select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; transmit an indication of the one or more codebook parameters to at least the other wireless device; and communicate with at least the other wireless device based on the one or more codebook parameters.

[0162] In some implementations, the wireless device 1005 may be an example of a wireless device that receives an indication of one or more codebook parameters. In such implementations, the communication manager 1010 may additionally or alternatively: transmit a capabilities message to another wireless device in the wireless communication system, the capabilities message indicating a default operating frequency of the wireless device, a default operating frequency priority of the wireless device, or both; receive an indication of one or more codebook parameters associated with transmitting the capabilities message from the other wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and communicate with the other wireless device based on the one or more codebook parameters.

[0163] The network communications manager 1015 may manage communications with the core network (such as via one or more wired backhaul links). For example, the network communications manager 1015 may manage the delivery of data communications for client devices (such as one or more UEs 115).

[0164] The transceiver 1020 can communicate bidirectionally via one or more antennas, wired or wireless links, as described herein. For example, the transceiver 1020 can represent a wireless transceiver and can communicate bidirectionally with another wireless transceiver. The transceiver 1020 can also include a modem to modulate packets and provide the modulated packets to the antenna for transmission, and demodulate packets received from the antenna.

[0165] In some implementations, a wireless device may include a single antenna 1025. However, in some implementations, the device may have more than one antenna 1025, which may be capable of transmitting or receiving multiple wireless transmissions concurrently.

[0166] The memory 1030 may include RAM, ROM, or a combination thereof. The memory 1030 may store computer-readable code 1035 including instructions that, when executed by a processor (such as processor 1040), cause the device to perform the various functions described herein. In some implementations, the memory 1030 may include, among other things, a BIOS that may control basic hardware or software operations, such as interaction with peripheral components or devices.

[0167] The inter-site communication manager 1045 can manage communications with other base stations 105 and can include a controller or scheduler for controlling communications with the UE 115 in coordination with the other base stations 105. For example, the inter-site communication manager 1045 can coordinate the scheduling of transmissions to the UE 115 for various interference mitigation techniques, such as beamforming or joint transmission. In some examples, the inter-site communication manager 1045 can provide an X2 interface within an LTE / LTE-A wireless communication network technology to provide communications between the base stations 105.

[0168] The code 1035 may include instructions for implementing various aspects of the present disclosure, including instructions for supporting wireless communications. The code 1035 may be stored in a non-transitory computer-readable medium, such as system memory or other types of memory. In some implementations, the code 1035 may not be directly executed by the processor 1040, but may cause a computer (such as when compiled and executed) to perform the functions described herein.

[0169] Figure 11 1. A flow chart illustrating a method 1100 for supporting beamforming parameter adaptation techniques is shown. The operations of the method 1100 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. For example, the operations of the method 1100 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. Figure 6-10 In some examples, a UE or base station may execute an instruction set to control functional elements of the UE or base station to perform the functions described herein. Additionally or alternatively, the UE or base station may use dedicated hardware to perform various aspects of the functions described herein.

[0170] At 1105, the UE or base station may receive a capability message from at least a second wireless device in the wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both. The operations of 1105 may be performed according to the methods described herein. In some examples, aspects of the operations of 1105 may be performed as described with reference to Figure 6-10 The described capability components are implemented.

[0171] At 1110, the UE or base station may select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system. The operations of 1110 may be performed according to the methods described herein. In some examples, aspects of the operations of 1110 may be as described with reference to Figure 6-10 The described codebook component is used to perform

[0172] At 1115, the UE or base station may transmit an indication of the one or more codebook parameters to at least the second wireless device. The operations of 1115 may be performed according to the methods described herein. In some examples, aspects of the operations of 1115 may be as described with reference to Figure 6-10 The described instructions are performed by the transmitter.

[0173] Figure 12 1. A flow chart illustrating a method 1200 for supporting beamforming parameter adaptation techniques is shown. The operations of the method 1200 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. For example, the operations of the method 1200 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. Figure 6-10 In some examples, a UE or base station may execute an instruction set to control functional elements of the UE or base station to perform the functions described herein. Additionally or alternatively, the UE or base station may use dedicated hardware to perform various aspects of the functions described herein.

[0174] At 1205, the UE or base station may receive a capability message from at least a second wireless device in the wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both. The operations of 1205 may be performed according to the methods described herein. In some examples, aspects of the operations of 1205 may be performed as described with reference to Figure 6-10 The described capability components are implemented.

[0175] At 1210, the UE or base station may receive one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies. The operations of 1210 may be performed according to the methods described herein. In some examples, aspects of the operations of 1210 may be performed as described with reference to Figure 6-10 The described reporting receiver is executed.

[0176] At 1215, the UE or base station may select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system. The operations of 1215 may be performed according to the methods described herein. In some examples, aspects of the operations of 1215 may be as described with reference to Figure 6-10 The described codebook component is used to perform

[0177] At 1220, the UE or base station may transmit an indication of the one or more codebook parameters to at least a second wireless device. The operations of 1220 may be performed according to the methods described herein. In some examples, aspects of the operations of 1220 may be as described with reference to Figure 6-10 The described instructions are performed by the transmitter.

[0178] Figure 13 1. A flow chart illustrating a method 1300 for supporting beamforming parameter adaptation techniques is shown. The operations of the method 1300 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. For example, the operations of the method 1300 may be implemented by a UE 115 or a base station 105 as described herein, or components thereof. Figure 6-10 In some examples, a UE or base station may execute an instruction set to control functional elements of the UE or base station to perform the functions described herein. Additionally or alternatively, the UE or base station may use dedicated hardware to perform various aspects of the functions described herein.

[0179] At 1305, the UE or base station may transmit a capability message to a first wireless device in the wireless communication system, the capability message indicating a default operating frequency of a second wireless device (e.g., a UE or base station), a default operating frequency priority of the second wireless device, or both. The operations of 1305 may be performed according to the methods described herein. In some examples, aspects of the operations of 1305 may be performed as described with reference to Figure 6-10 The described capability message transmitter is implemented.

[0180] At 1310, the UE or base station may receive an indication of one or more codebook parameters associated with transmitting the capability message from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system. The operations of 1310 may be performed according to the methods described herein. In some examples, aspects of the operations of 1310 may be performed as described with reference to Figure 6-10 The described instructions are performed by the receiver.

[0181] The following provides an overview of various aspects of the disclosure:

[0182] Aspect 1: An apparatus for wireless communication at a first wireless device, comprising: a first interface configured to: obtain a capability message from at least a second wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; a processing system configured to: select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating the default operating frequency for the wireless communication system; and wherein the first interface or the second interface is configured to: output an indication of the one or more codebook parameters to at least the second wireless device.

[0183] Aspect 2: The apparatus of aspect 1, wherein the first interface or the second interface is further configured to: obtain one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0184] Aspect 3: The apparatus of aspect 2, wherein the capability message comprises one or more reports from at least the second wireless device.

[0185] Aspect 4: The apparatus of any one of aspects 2-3, wherein the first interface or the second interface is further configured to: output control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0186] Aspect 5: The apparatus of any one of aspects 1-4, wherein the first interface or the second interface is further configured to: communicate with at least a second wireless device according to one or more codebook parameters, and communicate using a default operating frequency for the wireless communication system.

[0187] Aspect 6: The apparatus of any one of aspects 1-5, wherein the processing system is further configured to: adjust the first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based on one or more codebook parameters.

[0188] Aspect 7: The apparatus of any one of aspects 1-6, wherein the first interface or the second interface is further configured to: output a request for a capability message to at least the second wireless device, wherein obtaining the capability message is based on outputting the request.

[0189] Aspect 8: The apparatus of any one of Aspects 1-7, wherein the first interface or the second interface is further configured to: obtain a set including a plurality of capability messages from a set including a plurality of wireless devices, the set including a plurality of capability messages including a capability message from the second wireless device.

[0190] Aspect 9: The apparatus of aspect 8, wherein the processing system is further configured to: select the default operating frequency for the wireless communication system based on a majority of the set of the plurality of capability messages indicating the default operating frequency for the wireless communication system.

[0191] Aspect 10: An apparatus as in any of Aspects 8-9, wherein the processing system is further configured to: select a default operating frequency for the wireless communication system based on a default operating frequency priority set, the default operating frequency priority set including a respective operating frequency priority associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency priority set includes a default operating frequency priority for a second wireless device.

[0192] Aspect 11: An apparatus as in any of Aspects 8-10, wherein the processing system is further configured to: select a default operating frequency for the wireless communication system based on a default operating frequency set, the default operating frequency set including a corresponding default operating frequency associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency set includes a default operating frequency for the second wireless device.

[0193] Aspect 12: The apparatus of any of Aspects 1-11, wherein the processing system is further configured to: assign a default operating frequency priority of the second wireless device to at least the second wireless device.

[0194] Aspect 13: The apparatus of aspect 12, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

[0195] Aspect 14: An apparatus for wireless communication at a second wireless device, comprising: a processing system, a first interface, and a second interface, the second interface being configured to: output a capability message to a first wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and the first interface being configured to: obtain from the first wireless device an indication of one or more codebook parameters associated with outputting the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0196] Aspect 15: The apparatus of aspect 14, wherein the second interface is further configured to: output one or more reports to the first wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

[0197] Aspect 16: The apparatus of aspect 15, wherein the first interface is further configured to: obtain control signaling to at least the second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0198] Aspect 17: The apparatus of any of aspects 14-16, wherein the processing system is further configured to: determine one or more codebook parameters based on the received indication.

[0199] Aspect 18: The apparatus of any of Aspects 14-17, wherein the processing system is further configured to: adjust the first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based on obtaining the indication.

[0200] Aspect 19: The apparatus of any one of aspects 14-18, wherein the second interface is further configured to: communicate with the first wireless device according to one or more codebook parameters, and communicate using a default operating frequency for the wireless communication system.

[0201] Aspect 20: The apparatus of any of aspects 14-19, wherein the first interface is further configured to: obtain a request for a capability message from the first wireless device, wherein the output capability message is based on the request for the capability message.

[0202] Aspect 21: A method for wireless communication, comprising: receiving, at a first wireless device, a capability message from at least a second wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and transmitting an indication of the one or more codebook parameters to at least the second wireless device.

[0203] Aspect 22: The method of aspect 21, further comprising: receiving one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0204] Aspect 23: The method of aspect 22, wherein the capabilities message includes one or more reports from at least the second wireless device.

[0205] Aspect 24: The method of any of aspects 22-23, further comprising: transmitting control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0206] Aspect 25: The method of any one of aspects 21-24, further comprising: communicating with at least a second wireless device according to one or more codebook parameters, wherein communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0207] Aspect 26: The method according to any one of aspects 21-25, further comprising: adjusting the first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based on one or more codebook parameters.

[0208] Aspect 27: The method of any of Aspects 21-26, further comprising: transmitting a request for a capability message to at least the second wireless device, wherein receiving the capability message is based on transmitting the request.

[0209] Aspect 28: The method of any of Aspects 21-27, further comprising: receiving a set of a plurality of capability messages from a set of a plurality of wireless devices, the set of a plurality of capability messages comprising a capability message from a second wireless device.

[0210] Aspect 29: The method of aspect 28, further comprising: selecting the default operating frequency for the wireless communication system based on a majority of the set of the plurality of capability messages indicating the default operating frequency for the wireless communication system.

[0211] Aspect 30: The method of any one of Aspects 28-29 further includes: selecting a default operating frequency for the wireless communication system based on a default operating frequency priority set, the default operating frequency priority set including a corresponding operating frequency priority associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency priority set includes a default operating frequency priority for a second wireless device.

[0212] Aspect 31: The method of any one of Aspects 28-30 further includes: selecting a default operating frequency for the wireless communication system based on a default operating frequency set, the default operating frequency set including a corresponding default operating frequency associated with each wireless device in a set including multiple wireless devices, wherein the default operating frequency set includes a default operating frequency for the second wireless device.

[0213] Aspect 32: The method of any of Aspects 21-31, further comprising: assigning a default operating frequency priority of the second wireless device to at least the second wireless device.

[0214] Aspect 33: The method of aspect 32, wherein the default operating frequency priority of the second wireless device corresponds to the capability of the second wireless device.

[0215] Aspect 34: A method for wireless communication, comprising: transmitting a capability message to a first wireless device in a wireless communication system, the capability message indicating a default operating frequency of a second wireless device, a default operating frequency priority of the second wireless device, or both; and receiving an indication of one or more codebook parameters associated with the capability message from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0216] Aspect 35: The method of aspect 34, further comprising: transmitting one or more reports to the first wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0217] Aspect 36: The method of aspect 35, further comprising: receiving control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0218] Aspect 37: The method according to any one of aspects 34-36, further comprising: determining one or more codebook parameters based on the received indication.

[0219] Aspect 38: The method of any of aspects 34-37, further comprising: adjusting the first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based on the received indication.

[0220] Aspect 39: The method of any of aspects 34-38, further comprising: communicating with the first wireless device according to one or more codebook parameters, wherein communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0221] Aspect 40: The method of any of aspects 34-39, further comprising: receiving a request for a capability message from the first wireless device, wherein transmitting the capability message is based on the request for the capability message.

[0222] Aspect 41: An apparatus for wireless communication at a first wireless device, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: receive a capability message at the first wireless device from at least a second wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; select one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and transmit an indication of the one or more codebook parameters to at least the second wireless device.

[0223] Aspect 42: The apparatus of aspect 41, wherein the instructions are further executable by the processor to cause the apparatus to: receive one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0224] Aspect 43: The apparatus of aspect 42, wherein the capabilities message comprises one or more reports from at least the second wireless device.

[0225] Aspect 44: The apparatus of any of Aspects 42-43, wherein the instructions are further executable by the processor to cause the apparatus to: transmit control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0226] Aspect 45: The apparatus of any of Aspects 41-44, wherein the instructions are further executable by the processor to cause the apparatus to: communicate with at least a second wireless device according to one or more codebook parameters, wherein communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0227] Aspect 46: The apparatus of any of Aspects 41-45, wherein the instructions are further executable by the processor to cause the apparatus to: adjust the first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based on one or more codebook parameters.

[0228] Aspect 47: The apparatus of any of Aspects 41-46, wherein the instructions are further executable by the processor to cause the apparatus to: transmit a request for a capabilities message to at least a second wireless device, wherein receiving the capabilities message is based on transmitting the request.

[0229] Aspect 48: The apparatus of any of Aspects 41-47, wherein the instructions are further executable by the processor to cause the apparatus to: receive a set of capability messages from a set of wireless devices, the set of capability messages including a capability message from a second wireless device.

[0230] Aspect 49: The apparatus of aspect 48, wherein the instructions are further executable by the processor to cause the apparatus to: select a default operating frequency for the wireless communication system based on a majority of the set of capability messages indicating a default operating frequency for the wireless communication system.

[0231] Aspect 50: An apparatus as in any of Aspects 48-49, wherein the instructions are further executable by a processor to cause the apparatus to: select a default operating frequency for a wireless communication system based on a default operating frequency priority set, the default operating frequency priority set including a respective operating frequency priority associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency priority set includes a default operating frequency priority for a second wireless device.

[0232] Aspect 51: An apparatus as in any of Aspects 48-50, wherein the instructions are further executable by a processor to cause the apparatus to: select a default operating frequency for a wireless communication system based on a default operating frequency set, the default operating frequency set including a corresponding default operating frequency associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency set includes a default operating frequency for a second wireless device.

[0233] Aspect 52: The apparatus of any of Aspects 41-51, wherein the instructions are further executable by the processor to cause the apparatus to: assign a default operating frequency priority of the second wireless device to at least the second wireless device.

[0234] Aspect 53: The apparatus of Aspect 52, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

[0235] Aspect 54: An apparatus for wireless communication at a second wireless device, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: transmit a capability message to a first wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and receive from the first wireless device an indication of one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0236] Aspect 55: The apparatus of Aspect 54, wherein the instructions are further executable by the processor to cause the apparatus to: transmit one or more reports to the first wireless device, the one or more reports indicating signal-to-noise ratios for the one or more frequencies.

[0237] Aspect 56: The apparatus of aspect 55, wherein the instructions are further executable by the processor to cause the apparatus to: receive control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0238] Aspect 57: The apparatus of any of Aspects 54-56, wherein the instructions are further executable by the processor to cause the apparatus to: determine one or more codebook parameters based on the received indication.

[0239] Aspect 58: The apparatus of any of Aspects 54-57, wherein the instructions are further executable by the processor to cause the apparatus to: adjust the first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based on the received indication.

[0240] Aspect 59: The apparatus of any of Aspects 54-58, wherein the instructions are further executable by the processor to cause the apparatus to: communicate with the first wireless device according to one or more codebook parameters, wherein communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0241] Aspect 60: The apparatus of any of Aspects 54-59, wherein the instructions are further executable by the processor to cause the apparatus to: receive a request for a capabilities message from the first wireless device, wherein transmitting the capabilities message is based on the request for the capabilities message.

[0242] Aspect 61: An apparatus for wireless communication, comprising: a device for receiving a capability message at a first wireless device from at least a second wireless device in a wireless communication system, the capability message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; a device for selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and a device for transmitting an indication of the one or more codebook parameters to at least the second wireless device.

[0243] Aspect 62: The apparatus of Aspect 61, further comprising: means for receiving one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0244] Aspect 63: The apparatus of aspect 62, wherein the capabilities message comprises one or more reports from at least the second wireless device.

[0245] Aspect 64: The apparatus of any of Aspects 62-63, further comprising: means for transmitting control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0246] Aspect 65: The apparatus of any of Aspects 61-64, further comprising: means for communicating with at least a second wireless device according to one or more codebook parameters, wherein the means for communicating further comprises: means for communicating using a default operating frequency for the wireless communication system.

[0247] Aspect 66: The apparatus of any of Aspects 61-65, further comprising: means for adjusting the first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based on the one or more codebook parameters.

[0248] Aspect 67: The apparatus of any of Aspects 61-66, further comprising: means for transmitting a request for a capability message to at least a second wireless device, wherein receiving the capability message is based on transmitting the request.

[0249] Aspect 68: The apparatus of any of Aspects 61-67, further comprising: means for receiving a set comprising a plurality of capability messages from a set comprising a plurality of wireless devices, the set comprising a plurality of capability messages comprising a capability message from a second wireless device.

[0250] Aspect 69: The apparatus of aspect 68, further comprising: means for selecting a default operating frequency for the wireless communication system based on a majority of the set comprising the plurality of capability messages indicating a default operating frequency for the wireless communication system.

[0251] Aspect 70: The apparatus of any one of Aspects 68-69 further comprises: a device for selecting a default operating frequency for a wireless communication system based on a default operating frequency priority set, the default operating frequency priority set comprising a respective operating frequency priority associated with each wireless device in a set comprising a plurality of wireless devices, wherein the default operating frequency priority set comprises a default operating frequency priority for a second wireless device.

[0252] Aspect 71: The apparatus of any one of Aspects 68-70 further comprises: a device for selecting a default operating frequency for a wireless communication system based on a default operating frequency set, the default operating frequency set comprising a corresponding default operating frequency associated with each wireless device in a set comprising a plurality of wireless devices, wherein the default operating frequency set comprises a default operating frequency for a second wireless device.

[0253] Aspect 72: The apparatus of any of Aspects 61-71, further comprising: means for assigning a default operating frequency priority of the second wireless device to at least the second wireless device.

[0254] Aspect 73: The apparatus of Aspect 72, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

[0255] Aspect 74: An apparatus for wireless communication, comprising: a device for transmitting a capability message to a first wireless device in a wireless communication system, the capability message indicating a default operating frequency of a second wireless device, a default operating frequency priority of the second wireless device, or both; and a device for receiving an indication of one or more codebook parameters associated with the capability message from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0256] Aspect 75: The apparatus of aspect 74, further comprising: means for transmitting one or more reports to the first wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0257] Aspect 76: The apparatus of aspect 75, further comprising: means for receiving control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0258] Aspect 77: The apparatus of any of Aspects 74-76, further comprising: means for determining one or more codebook parameters based on the received indication.

[0259] Aspect 78: The apparatus of any of Aspects 74-77, further comprising: means for adjusting the first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based on the received indication.

[0260] Aspect 79: The apparatus of any one of Aspects 74-78, further comprising: means for communicating with the first wireless device according to one or more codebook parameters, wherein the means for communicating further comprises: means for communicating using a default operating frequency for the wireless communication system.

[0261] Aspect 80: The apparatus of any of Aspects 74-79, further comprising: means for receiving a request for a capability message from the first wireless device, wherein transmitting the capability message is based on the request for the capability message.

[0262] Aspect 81: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor for: receiving, at a first wireless device, a capability message from at least a second wireless device in a wireless communication system, the capability message indicating a default operating frequency for the second wireless device, a default operating frequency priority for the second wireless device, or both; selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and transmitting an indication of the one or more codebook parameters to at least the second wireless device.

[0263] Aspect 82: The non-transitory computer-readable medium of aspect 81, wherein the instructions are further executable by the processor to: receive one or more reports from at least a second wireless device, the one or more reports indicating a signal-to-noise ratio for one or more frequencies.

[0264] Aspect 83: The non-transitory computer-readable medium of Aspect 82, wherein the capabilities message comprises one or more reports from at least the second wireless device.

[0265] Aspect 84: The non-transitory computer-readable medium of any of Aspects 82-83, wherein the instructions are further executable by the processor to: transmit control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0266] Aspect 85: A non-transitory computer-readable medium as in any of Aspects 81-84, wherein the instructions are further executable by the processor to: communicate with at least a second wireless device according to one or more codebook parameters, wherein the communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0267] Aspect 86: The non-transitory computer-readable medium of any of Aspects 81-85, wherein the instructions are further executable by the processor to: adjust a first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based on one or more codebook parameters.

[0268] Aspect 87: The non-transitory computer-readable medium of any of Aspects 81-86, wherein the instructions are further executable by the processor to: transmit a request for a capabilities message to at least a second wireless device, wherein receiving the capabilities message is based on transmitting the request.

[0269] Aspect 88: A non-transitory computer-readable medium as in any of Aspects 81-87, wherein the instructions are further executable by the processor to: receive a set of multiple capability messages from a set of multiple wireless devices, the set of multiple capability messages including a capability message from a second wireless device.

[0270] Aspect 89: The non-transitory computer-readable medium of aspect 88, wherein the instructions are further executable by the processor to: select a default operating frequency for the wireless communication system based on a majority of the set of the plurality of capability messages indicating a default operating frequency for the wireless communication system.

[0271] Aspect 90: A non-transitory computer-readable medium as in any of Aspects 88-89, wherein the instructions are further executable by the processor to: select a default operating frequency for the wireless communication system based on a default operating frequency priority set, the default operating frequency priority set including a respective operating frequency priority associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency priority set includes a default operating frequency priority for a second wireless device.

[0272] Aspect 91: A non-transitory computer-readable medium as in any of Aspects 88-90, wherein the instructions are further executable by the processor to: select a default operating frequency for a wireless communication system based on a default operating frequency set, the default operating frequency set including a respective default operating frequency associated with each wireless device in a set including a plurality of wireless devices, wherein the default operating frequency set includes a default operating frequency for a second wireless device.

[0273] Aspect 92: The non-transitory computer-readable medium of any of Aspects 81-91, wherein the instructions are further executable by the processor to: assign a default operating frequency priority of the second wireless device to at least the second wireless device.

[0274] Aspect 93: The non-transitory computer-readable medium of Aspect 92, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

[0275] Aspect 94: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor for: transmitting a capability message to a first wireless device in a wireless communication system, the capability message indicating a default operating frequency for a second wireless device, a default operating frequency priority for the second wireless device, or both; and receiving from the first wireless device an indication of one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

[0276] Aspect 95: The non-transitory computer-readable medium of aspect 94, wherein the instructions are further executable by the processor to: transmit one or more reports to the first wireless device, the one or more reports indicating signal-to-noise ratios for the one or more frequencies.

[0277] Aspect 96: The non-transitory computer-readable medium of aspect 95, wherein the instructions are further executable by the processor to: receive control signaling to at least a second wireless device, the control signaling configuring one or more frequencies associated with the one or more reports.

[0278] Aspect 97: The non-transitory computer-readable medium of any of Aspects 94-96, wherein the instructions are further executable by the processor to: determine one or more codebook parameters based on the received indication.

[0279] Aspect 98: The non-transitory computer-readable medium of any of Aspects 94-97, wherein the instructions are further executable by the processor to: adjust the first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based on the received indication.

[0280] Aspect 99: A non-transitory computer-readable medium as in any of Aspects 94-98, wherein the instructions are further executable by the processor to: communicate with the first wireless device according to one or more codebook parameters, wherein the communicating further comprises: communicating using a default operating frequency for the wireless communication system.

[0281] Aspect 100: The non-transitory computer-readable medium of any of Aspects 94-99, wherein the instructions are further executable by the processor to: receive a request for a capabilities message from the first wireless device, wherein transmitting the capabilities message is based on the request for the capabilities message.

[0282] As used herein, a phrase referring to "at least one of" a list of items refers to any combination of those items, including single members. As an example, "at least one of a, b, or c" is intended to encompass: a, b, c, ab, ac, bc, and abc.

[0283] The various illustrative logics, logic blocks, modules, circuits, and algorithmic processes described in conjunction with the implementations disclosed herein may be implemented as electronic hardware, computer software, or a combination of both. This interchangeability of hardware and software has been generally described in terms of their functionality and illustrated in the various illustrative 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.

[0284] The hardware and data processing apparatus for implementing the various illustrative logics, logic blocks, modules, and circuits described in conjunction with the aspects disclosed herein may be implemented or performed using a general-purpose single-chip or multi-chip processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic device designed to perform the functions described herein, discrete gate or transistor logic, discrete hardware components, or any combination thereof. A general-purpose processor may be a microprocessor, or any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a collection of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. In some implementations, particular processes and methods may be performed by circuitry dedicated to a given function.

[0285] In one or more aspects, the functions described may be implemented in hardware, digital electronic circuitry, computer software, firmware (including the structures disclosed in this specification and their structural equivalents), or any combination thereof. Implementations 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 computer storage media for execution by data processing apparatus or for controlling the operation of data processing apparatus.

[0286] If implemented in software, each function can be stored as one or more instructions or codes on a computer-readable medium or transmitted therethrough. The process of the method or algorithm 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, including any medium that can be implemented to transfer a computer program from one place to another. The storage medium can be any available medium that can be accessed by a computer. As an example and not limitation, such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store the desired program code in the form of an instruction or data structure and can be accessed by a computer. Any connection can also be appropriately referred to as a computer-readable medium. As used herein, disks and discs include compact discs (CDs), laser discs, optical discs, digital versatile discs (DVDs), floppy disks and blue-ray discs, wherein disks often reproduce data magnetically and discs reproduce data optically with lasers. The above combination can also be included in the scope of computer-readable media. Additionally, the operations of a method or algorithm may reside as one or any combination or set of codes and instructions on a machine-readable medium or computer-readable medium, which may be incorporated into a computer program product.

[0287] Various modifications to the implementations described in this disclosure may be apparent to those skilled in the art, and the general principles defined herein may be applied to other implementations without departing from the spirit or scope of the disclosure. Thus, the claims are not intended to be limited to the implementations shown herein, but should be accorded the widest scope consistent with this disclosure, the principles and features disclosed herein.

[0288] Certain features described in this specification in the context of separate implementations may also be implemented in combination in a single implementation. Conversely, various features described in the context of a single implementation may also be implemented in multiple implementations separately or in any suitable subcombination. Furthermore, although features may be described herein as functioning in certain combinations and even initially claimed as such, one or more features from a claimed combination may be omitted from that combination in some implementations, and a claimed combination may be directed to a subcombination or variations of a subcombination.

[0289] Similarly, although the operations are depicted in a particular order in the accompanying drawings, this should not be understood as requiring such operations to be performed in the particular order shown or in a sequential order, or that all illustrated operations must be performed to achieve the desired result. In addition, the accompanying drawings may schematically depict one or more example processes in the form of flow charts. 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 illustrated operations. In certain environments, multitasking and parallel processing may be advantageous. In addition, the separation of various system components in the implementations described herein should not be understood as requiring such separation in all implementations, and it is 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 implementations also fall within the scope of the appended claims. In some implementations, the actions recited in the claims can be performed in different orders and still achieve the desired result.

Claims

1. An apparatus for wireless communication at a first wireless device, comprising: processor; a memory coupled to the processor; as well as Instructions stored in the memory and executable by the processor to cause the apparatus to: receiving, at a first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; An indication of the one or more codebook parameters is transmitted to at least the second wireless device.

2. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: One or more reports are received from at least the second wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

3. The apparatus of claim 2, wherein the capabilities message includes the one or more reports from at least the second wireless device.

4. The apparatus of claim 2, wherein the instructions are further executable by the processor to cause the apparatus to: Control signaling is transmitted to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

5. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: communicating with at least the second wireless device according to the one or more codebook parameters, wherein the communicating further comprises: Communicating using a default operating frequency for the wireless communication system.

6. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: A first default operating frequency of the first wireless device is adjusted to a default operating frequency for the wireless communication system based at least in part on the one or more codebook parameters.

7. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: A request for the capabilities message is transmitted to at least the second wireless device, wherein receiving the capabilities message is based at least in part on transmitting the request.

8. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: A plurality of capability messages are received from a plurality of wireless devices, the plurality of capability messages including the capability message from the second wireless device.

9. The apparatus of claim 8, wherein the instructions are further executable by the processor to cause the apparatus to: A default operating frequency for the wireless communication system is selected based at least in part on a majority of the plurality of capability messages indicating a default operating frequency for the wireless communication system.

10. The apparatus of claim 8, wherein the instructions are further executable by the processor to cause the apparatus to: A default operating frequency for the wireless communication system is selected based at least in part on a default operating frequency priority set including a respective operating frequency priority associated with each wireless device in the plurality of wireless devices, wherein the default operating frequency priority set includes the default operating frequency priority for the second wireless device.

11. The apparatus of claim 8, wherein the instructions are further executable by the processor to cause the apparatus to: A default operating frequency is selected for the wireless communication system based at least in part on a default operating frequency set including a respective default operating frequency associated with each wireless device of the plurality of wireless devices, wherein the default operating frequency set includes the default operating frequency of the second wireless device.

12. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: The default operating frequency priority of the second wireless device is assigned to at least the second wireless device.

13. The apparatus of claim 12, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

14. An apparatus for wireless communication at a second wireless device, comprising: processor; a memory coupled to the processor; as well as Instructions stored in the memory and executable by the processor to cause the apparatus to: transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and An indication of one or more codebook parameters associated with the capability message is received from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

15. The apparatus of claim 14, wherein the instructions are further executable by the processor to cause the apparatus to: One or more reports are transmitted to the first wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

16. The apparatus of claim 15, wherein the instructions are further executable by the processor to cause the apparatus to: Control signaling is received to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

17. The apparatus of claim 14, wherein the instructions are further executable by the processor to cause the apparatus to: The one or more codebook parameters are determined based at least in part on receiving the indication.

18. The apparatus of claim 14, wherein the instructions are further executable by the processor to cause the apparatus to: A first default operating frequency of the second wireless device is adjusted to a default operating frequency for the wireless communication system based at least in part on receiving the indication.

19. The apparatus of claim 14, wherein the instructions are further executable by the processor to cause the apparatus to: Communicating with the first wireless device according to the one or more codebook parameters, wherein communicating further comprises: Communicating using a default operating frequency for the wireless communication system.

20. The apparatus of claim 14, wherein the instructions are further executable by the processor to cause the apparatus to: A request for the capabilities message is received from the first wireless device, wherein transmitting the capabilities message is based at least in part on the request for the capabilities message.

21. A method for wireless communication, comprising: receiving, at a first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; and selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; An indication of the one or more codebook parameters is transmitted to at least the second wireless device.

22. The method of claim 21, further comprising: One or more reports are received from at least the second wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

23. The method of claim 22, wherein the capabilities message includes the one or more reports from at least the second wireless device.

24. The method of claim 22, further comprising: Control signaling is transmitted to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

25. The method of claim 21, further comprising: communicating with at least the second wireless device according to the one or more codebook parameters, wherein the communicating further comprises: Communicating using a default operating frequency for the wireless communication system.

26. The method of claim 21, further comprising: A first default operating frequency of the first wireless device is adjusted to a default operating frequency for the wireless communication system based at least in part on the one or more codebook parameters.

27. The method of claim 21, further comprising: A request for the capabilities message is transmitted to at least the second wireless device, wherein receiving the capabilities message is based at least in part on transmitting the request.

28. The method of claim 21, further comprising: A plurality of capability messages are received from a plurality of wireless devices, the plurality of capability messages including the capability message from the second wireless device.

29. The method of claim 28, further comprising: A default operating frequency for the wireless communication system is selected based at least in part on a majority of the plurality of capability messages indicating a default operating frequency for the wireless communication system.

30. The method of claim 28, further comprising: A default operating frequency for the wireless communication system is selected based at least in part on a default operating frequency priority set including a respective operating frequency priority associated with each wireless device in the plurality of wireless devices, wherein the default operating frequency priority set includes the default operating frequency priority for the second wireless device.

31. The method of claim 28, further comprising: A default operating frequency is selected for the wireless communication system based at least in part on a default operating frequency set including a respective default operating frequency associated with each wireless device of the plurality of wireless devices, wherein the default operating frequency set includes the default operating frequency of the second wireless device.

32. The method of claim 21, further comprising: The default operating frequency priority of the second wireless device is assigned to at least the second wireless device.

33. The method of claim 32, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

34. A method for wireless communication, comprising: transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of a second wireless device, a default operating frequency priority of the second wireless device, or both; and An indication of one or more codebook parameters associated with the capability message is received from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

35. The method of claim 34, further comprising: One or more reports are transmitted to the first wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

36. The method of claim 35, further comprising: Control signaling is received to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

37. The method of claim 34, further comprising: The one or more codebook parameters are determined based at least in part on receiving the indication.

38. The method of claim 34, further comprising: A first default operating frequency of the second wireless device is adjusted to a default operating frequency for the wireless communication system based at least in part on receiving the indication.

39. The method of claim 34, further comprising: Communicating with the first wireless device according to the one or more codebook parameters, wherein communicating further comprises: Communicating using a default operating frequency for the wireless communication system.

40. The method of claim 34, further comprising: A request for the capabilities message is received from the first wireless device, wherein transmitting the capabilities message is based at least in part on the request for the capabilities message.

41. An apparatus for wireless communication, comprising: means for receiving, at a first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; means for selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; as well as means for transmitting an indication of the one or more codebook parameters to at least the second wireless device.

42. The apparatus of claim 41, further comprising: Means for receiving one or more reports from at least the second wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

43. The apparatus of claim 42, wherein the capabilities message includes the one or more reports from at least the second wireless device.

44. The apparatus of claim 42, further comprising: Means for transmitting control signaling to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

45. The apparatus of claim 41, further comprising: Means for communicating with at least the second wireless device based on the one or more codebook parameters, wherein the means for communicating with at least the second wireless device further comprises: Means for communicating using a default operating frequency for the wireless communication system.

46. ​​The apparatus of claim 41, further comprising: Means for adjusting a first default operating frequency of the first wireless device to a default operating frequency for the wireless communication system based at least in part on the one or more codebook parameters.

47. The apparatus of claim 41, further comprising: Means for transmitting a request for the capabilities message to at least the second wireless device, wherein receiving the capabilities message is based at least in part on transmitting the request.

48. The apparatus of claim 41, further comprising: Means for receiving a plurality of capability messages from a plurality of wireless devices, the plurality of capability messages including the capability message from the second wireless device.

49. The apparatus of claim 48, further comprising: Means for selecting a default operating frequency for the wireless communication system based at least in part on a majority of the plurality of capability messages indicating a default operating frequency for the wireless communication system.

50. The apparatus of claim 48, further comprising: means for selecting a default operating frequency for the wireless communication system based at least in part on a default operating frequency priority set comprising a respective operating frequency priority associated with each wireless device of the plurality of wireless devices, wherein the default operating frequency priority set comprises the default operating frequency priority for the second wireless device.

51. The apparatus of claim 48, further comprising: means for selecting a default operating frequency for the wireless communication system based at least in part on a default operating frequency set comprising a respective default operating frequency associated with each wireless device of the plurality of wireless devices, wherein the default operating frequency set comprises the default operating frequency of the second wireless device.

52. The apparatus of claim 41, further comprising: means for assigning the default operating frequency priority of the second wireless device to at least the second wireless device.

53. The apparatus of claim 52, wherein the default operating frequency priority of the second wireless device corresponds to a capability of the second wireless device.

54. An apparatus for wireless communication, comprising: means for transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of a second wireless device, a default operating frequency priority of the second wireless device, or both; as well as Means for receiving, from the first wireless device, an indication of one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

55. The apparatus of claim 54, further comprising: Means for transmitting one or more reports to the first wireless device, the one or more reports indicating signal-to-noise ratios for one or more frequencies.

56. The apparatus of claim 55, further comprising: Means for receiving control signaling to at least the second wireless device, the control signaling configuring the one or more frequencies associated with the one or more reports.

57. The apparatus of claim 54, further comprising: means for determining the one or more codebook parameters based at least in part on receiving the indication.

58. The apparatus of claim 54, further comprising: Means for adjusting a first default operating frequency of the second wireless device to a default operating frequency for the wireless communication system based at least in part on receiving the indication.

59. The apparatus of claim 54, further comprising: means for communicating with the first wireless device according to the one or more codebook parameters, wherein the means for communicating further comprises: Means for communicating using a default operating frequency for the wireless communication system.

60. The apparatus of claim 54, further comprising: Means for receiving a request for the capabilities message from the first wireless device, wherein transmitting the capabilities message is based at least in part on the request for the capabilities message.

61. A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to: receiving, at a first wireless device, a capabilities message from at least a second wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of the second wireless device, a default operating frequency priority of the second wireless device, or both; selecting one or more codebook parameters associated with the capability message, the one or more codebook parameters indicating a default operating frequency for the wireless communication system; and An indication of the one or more codebook parameters is transmitted to at least the second wireless device.

62. A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to: transmitting a capabilities message to a first wireless device in a wireless communication system, the capabilities message indicating a default operating frequency of a second wireless device, a default operating frequency priority of the second wireless device, or both; and An indication of one or more codebook parameters associated with the capability message is received from the first wireless device, the one or more codebook parameters indicating a default operating frequency for the wireless communication system.

Images