Channel allocation for wireless power transfer
By configuring multiple sinusoidal waveforms based on delay information and channel quality measurements in a wireless communication system, the frequency position and distribution of the EH channel are optimized, solving the problem of balancing efficiency and robustness of the EH channel under different channel conditions, and achieving efficient and robust wireless power transfer.
Patent Information
- Application Number
- CN202480032075.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-05-24
- Filing Date
- 2024-04-25
- Publication Date
- 2025-12-12
AI Technical Summary
In existing wireless communication systems, the frequency spacing and distribution of the EH channel affect the energy transfer efficiency and robustness during wireless power transfer, making it difficult to balance efficient power transfer and robustness under different channel conditions.
Based on the latency information of the wireless device and channel quality measurements, the network device configures multiple sine waves to indicate the frequency position and distribution of the EH channel. By configuring the EH channel with uniform or spaced cross-channel bandwidth through multiple sine waves, the frequency position of the EH channel is optimized to improve power transfer efficiency and robustness.
By optimizing the frequency location and distribution of the EH channel, the efficiency and robustness of wireless power transfer are improved, adapting to the energy transfer requirements under different channel conditions.
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Figure CN121128093A_ABST
Abstract
Description
[0001] Cross-referencing
[0002] This patent application claims priority to U.S. Patent Application No. 18 / 322,884, filed May 24, 2023, entitled “CHANNELALLOCATION FOR WIRELESS POWER TRANSFER”, which is assigned to the assignee of this application and is expressly incorporated herein by reference in its entirety. Technical Field
[0003] The following content relates to wireless communication, including channel allocation for wireless power transfer. Background Technology
[0004] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, message sending and receiving, broadcasting, and so on. These systems can support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such multiple access systems include fourth-generation (4G) systems (such as Long Term Evolution (LTE) systems, LTE-A Advanced (LTE-A) systems, or LTE-A Pro systems) and fifth-generation (5G) systems (which may be referred to as New Radio (NR) systems). These systems may employ technologies such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal FDMA (OFDMA), or Discrete Fourier Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM). A wireless multiple access communication system may include one or more base stations, each supporting wireless communication of communication devices, which may be referred to as User Equipment (UE).
[0005] In some cases, a wireless device can be an example of a device with energy harvesting (EH) capabilities, and a network device can wirelessly provide energy to an EH-capable device. For example, a network device can connect to an EH-capable device via a wireless signal. Summary of the Invention
[0006] The described technology relates to improved methods, systems, devices, and apparatuses for channel allocation supporting wireless power transfer. For example, the described technology provides a method for a wireless device to transfer energy to a device with energy harvesting (EH) capability via a multisine waveform. In some cases, the configuration of the multisine waveform may depend on delay information associated with the EH-capable device, channel quality information associated with the channel bandwidth used for communication between the wireless device and the EH-capable device, or both. For example, the wireless device may send a request for delay information, channel quality information, or both, and may receive delay parameters for the EH-capable device, at least one channel quality measurement, or both. The wireless device can transmit the multisine waveform according to a multisine waveform configuration indicating the corresponding frequency positions of multiple EH channels within the channel bandwidth.
[0007] A method for wireless communication at a wireless device is described. The method may include: sending a request for delay information, channel quality information, or both, associated with an EH-capable device; receiving from the EH-capable device a first indication of delay parameters for the EH-capable device, and a second indication, or both of the first and second indications, of at least one channel quality measurement associated with a channel bandwidth for communication between the wireless device and the EH-capable device; and sending a multi-sine waveform to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0008] An apparatus for wireless communication at a wireless device is described. The apparatus may include: at least one processor; at least one memory coupled to the at least one processor; and instructions stored in the at least one memory. These instructions can be executed by the at least one processor to cause the apparatus to: send a request for delay information, channel quality information, or both, associated with an EH-capable device; receive from the EH-capable device a first indication of delay parameters for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both the first and second indications; and transmit a multi-sine waveform to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0009] Another apparatus for wireless communication at a wireless device is described. The apparatus may include: components for transmitting a request for delay information, channel quality information, or both, associated with an EH-capable device; components for receiving from the EH-capable device a first indication of delay parameters for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications; and components for transmitting a multi-sine waveform to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0010] A non-transitory computer-readable medium is described, storing code for wireless communication at a wireless device. The code may include instructions executable by a processor to: send a request for delay information, channel quality information, or both, associated with an EH-capable device; receive from the EH-capable device a first indication of delay parameters for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both the first and second indications; and transmit a multi-sine waveform to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0011] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of a set of multiple EH channels.
[0012] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates that one or more EH channel groups can be uniformly distributed across the channel bandwidth.
[0013] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the number of one or more EH channel groups may be based on at least one channel quality measurement.
[0014] In some examples of the methods, apparatuses, and nontransient computer-readable media described herein, the multi-sine waveform configuration indicates, based on delay parameters for a device with EH capability, a first frequency position of a first subset of EH channels in a set of multiple EH channels and a second frequency position of a second subset of EH channels in a set of multiple EH channels, the first subset of EH channels comprising a first set of contiguous physical resource blocks (PRBs) of channel bandwidth, and the second subset of EH channels comprising a second set of contiguous PRBs of channel bandwidth.
[0015] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, a first frequency position corresponds to a first edge of the channel bandwidth, and a second frequency position corresponds to a second edge of the channel bandwidth.
[0016] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the first frequency position and the second frequency position may be frequency-spaced based on a frequency interval value corresponding to at least one channel quality measurement.
[0017] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates that a set of multiple EH channels can be distributed across channel bandwidths based on delay parameters for devices with EH capability, and at least one physical interval resource block separates each pair of EH channels in the set of multiple EH channels.
[0018] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the multi-sine waveform configuration is based on delay parameters for devices with EH capability to indicate a set of multiple EH channels including a set of consecutive PRBs of channel bandwidth.
[0019] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the frequency location of a set of consecutive PRBs can be based on at least one channel quality measurement of the channel bandwidth.
[0020] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the delay parameter may be based on the battery level of the device with EH capability, the type of device with EH capability, or both.
[0021] A method for wireless communication at an EH-capable device is described. The method may include: receiving from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device; sending to the wireless device a first indication of delay parameters for the EH-capable device, and a second indication, or both of the first and second indications, of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device; and receiving from the wireless device a multisine waveform configuration via a set of multiple EH channels within the channel bandwidth, wherein the multisine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0022] An apparatus for wireless communication at an EH-capable device is described. The apparatus may include: at least one processor; at least one memory coupled to the at least one processor; and instructions stored in the at least one memory. These instructions can be executed by the at least one processor to cause the apparatus to: receive from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device; transmit to the wireless device a first indication of delay parameters for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications; and receive from the wireless device a multisine waveform configuration via a set of multiple EH channels within the channel bandwidth, wherein the multisine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, the at least one channel quality measurement, or both.
[0023] Another apparatus for wireless communication at an EH-capable device is described. The apparatus may include: components for receiving from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device; components for transmitting to the wireless device a first indication of delay parameters for the EH-capable device, and a second indication, or both of the first and second indications, of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device; and components for receiving a multi-sine waveform from the wireless device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0024] A non-transitory computer-readable medium is described, storing code for wireless communication at an EH-capable device. The code may include instructions executable by a processor to: receive from a wireless device a request for delay information, channel quality information, or both, associated with the EH-capable device; send to the wireless device a first indication of delay parameters for the EH-capable device, and a second indication, or both of the first and second indications, of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device; and receive from the wireless device a multi-sine waveform configured according to a multi-sine waveform configuration via a set of multiple EH channels within the channel bandwidth, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameters for the EH-capable device, at least one channel quality measurement, or both.
[0025] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of a set of multiple EH channels.
[0026] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates that one or more EH channel groups can be uniformly distributed across the channel bandwidth.
[0027] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the number of one or more EH channel groups may be based on at least one channel quality measurement.
[0028] In some examples of the methods, apparatuses, and nontransient computer-readable media described herein, the multi-sine waveform configuration indicates, based on delay parameters for a device with EH capability, a first frequency position of a first subset of EH channels in a set of multiple EH channels and a second frequency position of a second subset of EH channels in a set of multiple EH channels, the first subset of EH channels comprising a first set of consecutive PRBs of channel bandwidth, and the second subset of EH channels comprising a second set of consecutive PRBs of channel bandwidth.
[0029] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, a first frequency position corresponds to a first edge of the channel bandwidth, and a second frequency position corresponds to a second edge of the channel bandwidth.
[0030] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the first frequency position and the second frequency position may be frequency-spaced based on a frequency interval value corresponding to at least one channel quality measurement.
[0031] In some examples of the methods, apparatuses and nontransitory computer-readable media described herein, a multi-sine waveform configuration indicates that a set of multiple EH channels can be distributed across channel bandwidths based on delay parameters for devices with EH capability, and at least one physical interval resource block separates each pair of EH channels in the set of multiple EH channels.
[0032] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the multi-sine waveform configuration is based on delay parameters for devices with EH capability to indicate a set of multiple EH channels including a set of consecutive PRBs of channel bandwidth.
[0033] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the frequency location of a set of consecutive PRBs can be based on at least one channel quality measurement.
[0034] In some examples of the methods, apparatuses, and nontransitory computer-readable media described herein, the delay parameter may be based on the battery level of the device with EH capability, the type of device with EH capability, or both. Attached Figure Description
[0035] Figure 1 An example of a wireless communication system supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown.
[0036] Figure 2 An example of a wireless communication system supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown.
[0037] Figure 3A and Figure 3B An example of waveform configuration supporting channel allocation for wireless power transfer is shown according to one or more aspects of this disclosure.
[0038] Figure 4 An example of waveform configuration supporting channel allocation for wireless power transfer is shown according to one or more aspects of this disclosure.
[0039] Figure 5 An example of waveform configuration supporting channel allocation for wireless power transfer is shown according to one or more aspects of this disclosure.
[0040] Figure 6An example of a process flow for channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown.
[0041] Figure 7 and Figure 8 A block diagram of an apparatus for channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown.
[0042] Figure 9 A block diagram of a communication manager supporting channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown.
[0043] Figure 10 A diagram is shown of a system including a device for channel allocation for wireless power transfer, according to one or more aspects of this disclosure.
[0044] Figure 11 and Figure 12 A block diagram of an apparatus for channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown.
[0045] Figure 13 A block diagram of a communication manager supporting channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown.
[0046] Figure 14 A diagram is shown of a system including a device for channel allocation for wireless power transfer, according to one or more aspects of this disclosure.
[0047] Figure 15 and Figure 16 A flowchart illustrating a method for channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Detailed Implementation
[0048] In some wireless communication systems, network devices (e.g., network entities or user equipment (UEs)) can wirelessly provide power to one or more devices (such as passive Internet of Things (IoT) devices, e.g., environmental IoT devices). For example, network devices can transmit waveforms via one or more energy harvesting (EH) channels (e.g., portions of a frequency bandwidth), and passive IoT devices can receive and harvest energy from the EH channels. In some cases, the EH waveform can be a multi-sine waveform comprising multiple sine waves transmitted across multiple different frequency bands (e.g., different EH channels). However, the efficiency of energy transfer via multi-sine waveforms may depend on the frequency spacing between the EH channels, and the performance of energy transfer may be affected by the distribution of the EH channels. For example, network devices can place EH channels in contiguous frequency bands (e.g., contiguous physical resource blocks (PRBs)), which can improve energy transfer efficiency when wireless conditions are relatively strong within the contiguous frequency band, but may reduce energy transfer efficiency when wireless conditions degrade within the contiguous frequency band (e.g., significant fading occurs). Alternatively, network devices may place EH channels in a frequency-spaced manner, which can increase the robustness of power transfer (e.g., when channel conditions in the selected EH channels are poor), but may result in less efficient power transfer.
[0049] To support EH channel selection for multiple sinusoidal waveforms, network devices can transmit multiple sinusoidal waveforms based on a multiple sinusoidal waveform configuration that indicates the frequency position of each EH channel across the channel bandwidth for the multiple sinusoidal waveform. In some cases, the network device can determine the multiple sinusoidal waveform configuration based on latency information from passive IoT devices, channel quality measurements for channel bandwidth, or both. For example, the multiple sinusoidal waveform configuration can indicate the distribution of the cross-channel bandwidth of each EH channel based on a first latency parameter (e.g., strict latency constraints) (e.g., spacing the EH channels frequency-wise), or it can indicate consecutive packets of EH channels based on a second latency parameter (e.g., no latency constraints). Additionally or alternatively, the frequency position of the EH channel can be selected based on Channel State Information (CSI) reports (e.g., the network device can select the PRB with the bandwidth of the optimal CSI as the EH channel). Therefore, these techniques can balance efficient power delivery based on channel conditions.
[0050] The aspects of this disclosure are first described in the context of a wireless communication system. The aspects of this disclosure are further illustrated by waveform configurations and process flows, and are further described with reference to these waveform configurations and process flows. The aspects of this disclosure are further illustrated by apparatus diagrams, system diagrams, and flowcharts relating to channel allocation for wireless power transfer, and are further described with reference to these apparatus diagrams, system diagrams, and flowcharts.
[0051] Figure 1An example of a wireless communication system 100 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. The wireless communication system 100 may include one or more network entities 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, a New Radio (NR) network, or a network operating under other systems and radio technologies, including future systems and radio technologies not explicitly mentioned herein.
[0052] Network entity 105 may be distributed across a geographical area to form wireless communication system 100, and may include devices employing different forms or having different capabilities. In various examples, network entity 105 may be referred to as a network element, mobility element, radio access network (RAN) node, or network equipment, etc. In some examples, network entity 105 and UE 115 may wirelessly communicate via one or more communication links 125 (e.g., radio frequency (RF) access links). For example, network entity 105 may support coverage area 110 (e.g., a geographical coverage area) within which UE 115 and network entity 105 may establish one or more communication links 125. Coverage area 110 may be an example of a geographical area within which network entity 105 and UE 115 may support the transmission of signals according to one or more radio access technologies (RATs).
[0053] UE 115 can be distributed throughout the coverage area 110 of wireless communication system 100, and each UE 115 can be stationary or mobile, or stationary and mobile at different times. UE 115 can be devices in different forms or with different capabilities. Figure 1 Some example UE 115s are illustrated herein. The UE 115 described herein can be able to support various types of devices (such as, e.g., ...). Figure 1 It communicates with other UEs (115 or network entity 105) as shown.
[0054] As described herein, a node in the wireless communication system 100 (which may be referred to as a network node or wireless node) may be a network entity 105 (e.g., any network entity described herein), a UE 115 (e.g., any UE described herein), a network controller, apparatus, device, computing system, one or more components, or another suitable processing entity configured to perform any of the techniques described herein. For example, a node may be UE 115. As another example, a node may be network entity 105. As another example, a first node may be configured to communicate with a second node or a third node. In one aspect of this example, the first node may be UE 115, the second node may be network entity 105, and the third node may be UE 115. In another aspect of this example, the first node may be UE 115, the second node may be network entity 105, and the third node may be network entity 105. In other aspects of this example, the first node, the second node, and the third node may be different from these examples. Similarly, references to UE 115, network entity 105, device, equipment, computing system, etc., may include disclosures of UE 115, network entity 105, device, equipment, computing system, etc., as nodes. For example, a disclosure that UE 115 is configured to receive information from network entity 105 also discloses that a first node is configured to receive information from a second node.
[0055] In some examples, network entity 105 may communicate with core network 130, communicate with each other, or both. For example, network entity 105 may communicate with core network 130 via one or more backhaul communication links 120 (e.g., according to S1, N2, N3, or other interface protocols). In some examples, network entities 105 may communicate with each other directly (e.g., directly between network entities 105) or indirectly (e.g., via core network 130) via backhaul communication links 120 (e.g., according to X2, Xn, or other interface protocols). In some examples, network entities 105 may communicate with each other via midhaul communication link 162 (e.g., according to midhaul interface protocol) or fronthaul communication link 168 (e.g., according to fronthaul interface protocol) or any combination thereof. Backhaul communication link 120, midhaul communication link 162, or fronthaul communication link 168 may be or include one or more wired links (e.g., electrical links, fiber optic links), one or more wireless links (e.g., radio links, wireless optical links), etc., or various combinations thereof. UE 115 can communicate with core network 130 via communication link 155.
[0056] One or more network entities in network entity 105 described herein may include or be referred to as base station 140 (e.g., transceiver base station, radio base station, NR base station, access point, radio transceiver, node B, eNodeB (eNB), next-generation node B or gigabit node B (any of which may be referred to as gNB), 5G NB, next-generation eNB (ng-eNB), home node B, home evolution node B, or other suitable terms). In some examples, network entity 105 (e.g., base station 140) may be implemented in an aggregated (e.g., monolithic, standalone) base station architecture that may be configured to utilize a protocol stack that is physically or logically integrated within a single network entity 105 (e.g., a single RAN node, such as base station 140).
[0057] In some examples, network entity 105 may be implemented in a decomposed architecture (e.g., a decomposed base station architecture, a decomposed RAN architecture) that can be configured to utilize protocol stacks physically or logically distributed across two or more network entities 105, such as an Integrated Access Backhaul (IAB) network, an Open RAN (O-RAN) (e.g., a network configuration sponsored by the O-RAN Alliance), or a Virtualized RAN (vRAN) (e.g., a Cloud RAN (C-RAN)). For example, network entity 105 may include one or more of the following: a Central Unit (CU) 160, a Distributed Unit (DU) 165, a Radio Unit (RU) 170, a RAN Intelligent Controller (RIC) 175 (e.g., a near-real-time RIC, a non-real-time RIC), a Service Management and Orchestration (SMO) 180 system, or any combination thereof. 170 may also be referred to as a radio headend, intelligent radio headend, remote radio headend (RRH), remote radio unit (RRU), or transmit / receive point (TRP). One or more components of network entity 105 in a decomposed RAN architecture may be co-located, or one or more components of network entity 105 may be located in distributed locations (e.g., separate physical locations). In some examples, one or more network entities 105 in a decomposed RAN architecture may be implemented as virtual units (e.g., virtual CU (VCU), virtual DU (VDU), virtual RU (VRU)).
[0058] The functional splitting among CU 160, DU 165, and RU 170 is flexible and can support different functionalities depending on which functions (e.g., network layer functions, protocol layer functions, baseband functions, RF functions, and any combination thereof) are performed at CU 160, DU 165, or RU 170. For example, a protocol stack functional splitting can be used between CU 160 and DU 165, allowing CU 160 to support one or more layers of the protocol stack, and DU 165 to support one or more different layers of the protocol stack. In some examples, CU 160 can host higher protocol layer (e.g., Layer 3 (L3), Layer 2 (L2)) functionalities and signaling (e.g., Radio Resource Control (RRC), Serving Data Adaptation Protocol (SDAP), Packet Data Convergence Protocol (PDCP)). The CU 160 can connect to one or more DU 165s or RU 170s, and one or more DU 165s or RU 170s can host lower protocol layers such as Layer 1 (L1) (e.g., Physical (PHY) layer) or L2 (e.g., Radio Link Control (RLC) layer, Medium Access Control (MAC) layer) functionalities and signaling, and each can be at least partially controlled by the CU 160. Additionally or alternatively, a functional split of the protocol stack can be employed between the DU 165 and RU 170, such that the DU 165 can support one or more layers of the protocol stack, and the RU 170 can support one or more different layers of the protocol stack. The DU 165 can (e.g., via one or more RU 170s) support one or more different cells. In some cases, functional decomposition between CU 160 and DU 165, or between DU 165 and RU 170, can be performed within the protocol layer (e.g., some functions of the protocol layer can be performed by one of CU 160, DU 165, or RU 170, while other functions of the protocol layer can be performed by different of CU 160, DU 165, or RU 170). CU 160 can be further functionally decomposed into CU control plane (CU-CP) functions and CU user plane (CU-UP) functions. CU 160 can be connected to one or more DU 165 via midhaul communication link 162 (e.g., F1, F1-c, F1-u), and DU 165 can be connected to one or more RU 170 via fronthaul communication link 168 (e.g., open fronthaul (FH) interface). In some examples, the midhaul communication link 162 or the fronthaul communication link 168 may be implemented based on the interfaces (e.g., channels) between the layers of the protocol stack, which are supported by the corresponding network entities 105 communicating via such communication links.
[0059] In a wireless communication system (e.g., wireless communication system 100), the infrastructure and spectrum resources for radio access can support wireless backhaul link capabilities to supplement wired backhaul connections, thereby providing an IAB network architecture (e.g., to core network 130). In some cases, in an IAB network, one or more network entities 105 (e.g., IAB node 104) may be partially controlled by each other. One or more IAB nodes 104 may be referred to as donor entities or IAB donors. One or more DU 165s or one or more Ru 170s may be partially controlled by one or more CU 160s associated with donor network entities 105 (e.g., donor base station 140). One or more donor network entities 105 (e.g., IAB donors) may communicate with one or more additional network entities 105 (e.g., IAB node 104) via supported access and backhaul links (e.g., backhaul communication link 120). IAB node 104 may include an IAB mobile terminal (IAB-MT) controlled (e.g., scheduled) by a coupled IAB donor's DU 165. The IAB-MT may include a separate set of antennas for relaying communication with UE 115, or may share the same antennas (e.g., those of RU 170) for access to IAB node 104 via DU 165 (e.g., referred to as a virtual IAB-MT (vIAB-MT)). In some examples, IAB node 104 may include a DU 165 that supports communication links with additional entities (e.g., IAB node 104, UE 115) within a relay chain or configuration (e.g., downstream) of the access network. In such cases, one or more components of the decomposed RAN architecture (e.g., one or more IAB nodes 104 or components of IAB node 104) may be configured to operate according to the techniques described herein.
[0060] In the context of applying the techniques described herein to a decomposed RAN architecture, one or more components of the decomposed RAN architecture can be configured to support channel allocation for wireless power transfer as described herein. For example, some operations described as being performed by UE 115 or network entity 105 (e.g., base station 140) may additionally or alternatively be performed by one or more components of the decomposed RAN architecture (e.g., IAB node 104, DU 165, CU 160, RU 170, RIC 175, SMO 180).
[0061] UE 115 may include or be referred to as a mobile device, wireless device, remote device, handheld device, or subscriber device, or any other suitable term, wherein "device" may also be referred to as a cell, station, terminal, or client, etc. UE 115 may also include or be referred to as a personal electronic device, such as a cellular phone, personal digital assistant (PDA), tablet computer, laptop computer, or personal computer. In some examples, UE 115 may include or be referred to as a wireless local loop (WLL) station, Internet of Things (IoT) device, Internet of Everything (IoE) device, or 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 can communicate with various types of devices, such as other UEs 115 that sometimes act as relays, network entities 105, and network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, etc. Figure 1 As shown.
[0063] UE 115 and network entity 105 can wirelessly communicate with each other via one or more communication links 125 (e.g., access links) using resources associated with one or more carriers. The term "carrier" can refer to a set of RF spectrum resources having a defined physical layer structure for supporting communication link 125. For example, a carrier for communication link 125 may include a portion of the RF spectrum band (e.g., a bandwidth portion (BWP)) operating according to one or more physical layer channels for a given radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR). Each physical layer channel may carry acquisition signaling (e.g., synchronization signals, system information), control signaling coordinating carrier operation, user data, or other signaling. Wireless communication system 100 can support communication with UE 115 using carrier aggregation or multi-carrier operation. Depending on the carrier aggregation configuration, UE 115 may be configured with multiple downlink component carriers and one or more uplink component carriers. Carrier aggregation can be used in conjunction with both frequency division duplex (FDD) component carriers and time division duplex (TDD) component carriers. Communication between network entity 105 and other devices can refer to communication between these devices and any part of network entity 105 (e.g., entity, sub-entity). For example, the terms “send,” “receive,” or “communicate” when referring to network entity 105 can refer to any part of the RAN’s network entity 105 (e.g., base station 140, CU160, DU 165, RU 170) communicating with another device (e.g., directly or via one or more other network entities 105).
[0064] In some examples, such as in carrier aggregation configurations, a carrier may also have acquisition signaling or control signaling to coordinate the operation of other carriers. A carrier may be associated with a frequency channel (e.g., an Evolved Universal Mobile Telecommunications System Terrestrial Radio Access (E-UTRA) Absolute RF Channel Number (EARFCN)) and may be identified according to a channel grating used for discovery by UE 115. A carrier may operate in standalone mode, in which case initial acquisition and connection can be made by UE 115 via that carrier, or the carrier may operate in non-standalone mode, in which case different carriers (e.g., the same or different radio access technologies) are used to anchor the connection.
[0065] The communication link 125 shown in the wireless communication system 100 may include downlink transmission (e.g., forward link transmission) from network entity 105 to UE 115, uplink transmission (e.g., return link transmission) from UE 115 to network entity 105, or both, as well as other transmission configurations. A carrier may carry downlink communication or uplink communication (e.g., in FDD mode), or may be configured to carry both downlink and uplink communication (e.g., in TDD mode).
[0066] A carrier may be associated with a specific bandwidth of the RF spectrum, and in some examples, the carrier bandwidth may be referred to as the carrier or the “system bandwidth” of the wireless communication system 100. For example, the carrier bandwidth may be one bandwidth in a set of bandwidths for a particular radio access technology (e.g., 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz, 20 MHz, 40 MHz, or 80 MHz). Devices of the wireless communication system 100 (e.g., network entity 105, UE 115, or both) may have hardware configurations that support communication using a specific carrier bandwidth, or may be configured to support communication using one carrier bandwidth in a set of carrier bandwidths. In some examples, the wireless communication system 100 may include network entity 105 or UE 115 that supports concurrent communication using carriers associated with multiple carrier bandwidths. In some examples, each served UE 115 may be configured to operate using a portion (e.g., subband, BWP) or all of the carrier bandwidth.
[0067] The signal waveform transmitted via a carrier may include multiple subcarriers (e.g., using multi-carrier modulation (MCM) techniques, such as orthogonal frequency division multiplexing (OFDM) or discrete Fourier transform extended OFDM (DFT-S-OFDM)). In a system employing MCM, a resource element may refer to a resource of one symbol period (e.g., the duration of one modulation symbol) and one subcarrier, in which case the symbol period and subcarrier spacing may be inversely related. The number of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the decoding rate of the modulation scheme, or both), such that a relatively high number of resource elements (e.g., in the transmission duration) and a relatively high modulation scheme order correspond to a relatively high communication rate. Wireless communication resources may refer to a combination of RF spectrum resources, temporal resources, and spatial resources (e.g., spatial layers or beams), and the use of multiple spatial resources may increase the data rate or data integrity used for communication with UE 115.
[0068] It can support one or more sets of parameters for a carrier, and the set of parameters may include subcarrier spacing ( (and cyclic prefix). A carrier can be divided into one or more BWPs with the same or different sets of parameters. In some examples, UE 115 can be configured with multiple BWPs. In some examples, a single BWP of a carrier can be active at a given time, and the communication of UE 115 can be constrained to one or more active BWPs.
[0069] The time interval for network entity 105 or UE 115 can be expressed as a multiple of a basic time unit, such as the sampling period. seconds, of which It can represent the supported subcarrier spacing, and This can represent the supported Discrete Fourier Transform (DFT) size. The time interval of the communication resources can be organized according to radio frames, each with a specified duration (e.g., 10 milliseconds (ms)). Each radio frame can be identified by a System Frame Number (SFN) (e.g., ranging from 0 to 1023).
[0070] Each frame may include multiple consecutively numbered subframes or time slots, and each subframe or time slot may have the same duration. In some examples, a frame may (e.g., in the time domain) be divided into subframes, 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 symbol periods (e.g., depending on the length of the cyclic prefix appended to each symbol period). In some wireless communication systems 100, time slots may be further divided into multiple micro-time slots associated with one or more symbols. Excluding the cyclic prefix, each symbol period may be associated with one or more (e.g., The duration of a symbol period is associated with a (number) sampling period. The duration of a symbol period can depend on the subcarrier spacing or the operating frequency band.
[0071] A subframe, time slot, micro-time slot, or symbol can be the smallest scheduling unit of the wireless communication system 100 (e.g., in the time domain) and can be referred to as a transmission time interval (TTI). In some examples, the duration of the TTI (e.g., the number of symbol periods in the TTI) can be variable. Additionally or alternatively, the smallest scheduling unit of the wireless communication system 100 can be dynamically selected (e.g., in a burst of shortened TTIs (sTTIs)).
[0072] Depending on the technology, carriers can be used to multiplex physical channels for communication. One or more of Time Division Multiplexing (TDM), Frequency Division Multiplexing (FDM), or hybrid TDM-FDM techniques can be used, for example, to multiplex physical control channels and physical data channels for signaling via a downlink carrier. The control region (e.g., control resource set (CORESET)) of the physical control channel can be defined by a set of symbol periods and can extend across the system bandwidth of the carrier or a subset of that bandwidth. One or more control regions (e.g., CORESET) can be configured for a set of UEs 115. For example, one or more UEs in UE 115 can monitor or search for control regions to obtain control information based on one or more search space sets, and each search space set can include one or more control channel candidates in one or more aggregation levels arranged in a concatenated manner. The aggregation level of control channel candidates can refer to the amount of control channel resources (e.g., control channel elements (CCEs)) associated with coded information for a control information format having a given payload size. The search space set may include: a common search space set configured to transmit control information to multiple UEs 115, and a UE-specific search space set used to transmit control information to a specific UE 115.
[0073] Network entity 105 may provide communication coverage via one or more cells (e.g., macro cells, small cells, hotspots, or other types of cells, or any combination thereof). The term "cell" may refer to a logical communication entity used to communicate with network entity 105 (e.g., using a carrier) and may be associated with an identifier used to distinguish adjacent cells (e.g., Physical Cell Identifier (PCID), Virtual Cell Identifier (VCID), or other cell identifier). In some examples, a cell may also refer to a coverage area 110 or a portion of coverage area 110 (e.g., a sector) in which a logical communication entity operates. Depending on various factors such as the capabilities of network entity 105, the extent of such cells may range from smaller areas (e.g., structures, subsets of structures) to larger areas. For example, a cell may be or may include buildings, subsets of buildings, or external space between or overlapping coverage areas 110, etc.
[0074] In some examples, a carrier can support multiple cells and can be configured with different cells based on different protocol types that can provide access for different types of devices (e.g., MTC, Narrowband IoT (NB-IoT), Enhanced Mobile Broadband (eMBB)).
[0075] In some examples, network entity 105 (e.g., base station 140, RU 170) may be mobile, and thus provide communication coverage to mobile coverage areas 110. In some examples, different coverage areas 110 associated with different technologies may overlap, but the different coverage areas 110 may be supported by the same network entity 105. In some other examples, overlapping coverage areas 110 associated with different technologies may be supported by different network entities 105. The wireless communication system 100 may include, for example, a heterogeneous network in which different types of network entities 105 use the same or different radio access technologies to provide coverage for various coverage areas 110.
[0076] The wireless communication system 100 can support synchronous or asynchronous operation. For synchronous operation, network entities 105 (e.g., base station 140) can have similar frame timings, and transmissions from different network entities 105 can be approximately time-aligned. For asynchronous operation, network entities 105 can have different frame timings, and in some examples, transmissions from different network entities 105 may not be time-aligned. The techniques described herein can be used for both synchronous and asynchronous operation.
[0077] Some UE 115 devices (such as MTC or IoT devices) can be low-cost or low-complexity devices and can provide automated communication between machines (e.g., via machine-to-machine (M2M) communication). M2M communication or MTC can refer to data communication technologies that allow devices to communicate with each other or with network entity 105 (e.g., base station 140) without human intervention. In some examples, M2M communication or MTC may include communication from devices with integrated sensors or meters to measure or acquire information and relay such information to a central server or application that uses the information or presents it to people interacting with the application. Some UE 115 devices may be designed to collect information or enable automated behavior of machines or other devices. Examples of applications for MTC devices include: smart metering, inventory monitoring, water level monitoring, equipment monitoring, healthcare monitoring, wildlife monitoring, weather and geographic event monitoring, queue management and tracking, remote security sensing, physical access control, and transaction-based commercial toll collection.
[0078] Some UE 115s can be configured to operate in a power-saving mode, such as half-duplex communication (e.g., a mode that supports unidirectional communication via transmission or reception but does not involve concurrent transmission and reception). In some examples, half-duplex communication can be performed at a reduced peak rate. Other power-saving techniques for UE 115s include entering a power-saving deep sleep mode when not engaged in active communication, operating with limited bandwidth (e.g., according to narrowband communication), or a combination of these techniques. For example, some UE 115s can be configured to operate using a narrowband protocol type associated with a defined portion or range (e.g., a set of subcarriers or resource blocks (RBs)) within a carrier, within a carrier's guard band, or outside a carrier.
[0079] Wireless communication system 100 may be configured to support ultra-reliable communication or low-latency communication, or various combinations thereof. For example, wireless communication system 100 may be configured to support ultra-reliable low-latency communication (URLLC). UE 115 may be designed to support ultra-reliable or low-latency or critical functions. Ultra-reliable communication may include private or group communication and may be supported by one or more services, such as push-to-talk, video, or data. Support for ultra-reliable, low-latency functions may include prioritization of services, and such services may be used for public safety or general business applications. The terms “ultra-reliable,” “low-latency,” and “ultra-reliable low-latency” are used interchangeably herein.
[0080] In some examples, UE 115 may be configured to support direct communication with other UE 115s via device-to-device (D2D) communication link 135 (e.g., according to peer-to-peer (P2P), D2D, or sidelink protocols). In some examples, one or more UE 115s performing D2D communication in a group may be within the coverage area 110 of network entity 105 (e.g., base station 140, RU 170), which may support aspects of such D2D communication configured (e.g., scheduled by network entity 105). In some examples, one or more UE 115s in such a group may be outside the coverage area 110 of network entity 105, or may otherwise be unable or not configured to receive transmissions from network entity 105. In some examples, the group of UE 115s communicating via D2D communication may support a one-to-many (1:M) system, where each UE 115 transmits to each of the other UE 115s in the group. In some examples, network entity 105 may facilitate the scheduling of resources used for D2D communication. In other examples, D2D communication may be performed between UEs 115 without involving network entity 105.
[0081] In some systems, the D2D communication link 135 may be an example of a communication channel (such as a sidelink communication channel) between vehicles (e.g., UE 115). In some examples, vehicles may communicate using vehicle-to-vehicle (V2X) communication, vehicle-to-vehicle (V2V) communication, or a combination of these. Vehicles may signal information related to traffic conditions, signal control, weather, safety, emergencies, or any other information relevant to the V2X system. In some examples, vehicles in a V2X system may communicate with roadside infrastructure such as roadside units, or communicate with the network via one or more network nodes (e.g., network entity 105, base station 140, Ru 170) using vehicle-to-network (V2N) communication, or with both.
[0082] Core network 130 provides user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. Core network 130 may be an evolved packet core (EPC) or a 5G core (5GC), which may include at least one control plane entity (e.g., a mobility management entity (MME), access and mobility management function (AMF)) for managing access and mobility, and at least one user plane entity (e.g., a serving gateway (S-GW), packet data network (PDN) gateway (P-GW), or user plane function (UPF)) for routing packets or interconnecting to external networks. The control plane entity manages non-access stratum (NAS) functions, such as mobility, authentication, and bearer management of UE 115 served by network entity 105 (e.g., base station 140) associated with core network 130. User IP packets can be delivered through the user plane entity, which provides IP address allocation and other functions. The user plane entity may connect to one or more network operator IP services 150. IP services 150 may include access to the Internet, intranets, IP Multimedia Subsystem (IMS), or packet-switched streaming services.
[0083] Wireless communication system 100 can operate using one or more frequency bands in the range of 300 MHz to 300 GHz. Generally, the area from 300 MHz to 3 GHz is referred to as the Ultra High Frequency (UHF) band or decimeter band because the wavelength range is approximately one decimeter to one meter in length. UHF waves may be blocked or redirected by buildings and environmental features (which may be referred to as clusters), but these waves are sufficient to penetrate structures so that macrocells can provide service to UE 115 located indoors. Compared to communication using smaller frequencies and longer wavelengths in the lower frequency (HF) or very high frequency (VHF) portions of the spectrum below 300 MHz, communication using UHF waves can be associated with smaller antennas and shorter ranges (e.g., less than 100 km).
[0084] Wireless communication system 100 may utilize both licensed and unlicensed RF spectrum bands. For example, wireless communication system 100 may use unlicensed bands (such as the 5 GHz Industrial, Scientific, and Medical (ISM) band) to employ Licensed Assisted Access (LAA), LTE Unlicensed (LTE-U) radio access technology, or NR technology. When operating with unlicensed RF spectrum, devices such as network entity 105 and UE 115 may employ carrier sensing for collision detection and avoidance. In some examples, operation using unlicensed bands may be combined with component carriers operating with licensed bands based on carrier aggregation configurations (e.g., LAA). Operation using unlicensed spectrum may include downlink transmission, uplink transmission, P2P transmission, or D2D transmission, etc.
[0085] Network entity 105 (e.g., base station 140, RU 170) 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) communication, or beamforming. The antennas of network entity 105 or UE 115 may be located within one or more antenna arrays or antenna panels, which can support MIMO operation 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 network entity 105 may be located at different geographical locations. Network entity 105 may include an antenna array having a collection of multiple rows and columns of antenna ports that network entity 105 can use to support beamforming for communication with UE 115. Similarly, UE 115 may include one or more antenna arrays that can support various MIMO or beamforming operations. Additionally or alternatively, the antenna panel may support RF beamforming for signals transmitted via the antenna ports.
[0086] Network entity 105 or UE 115 can use MIMO communication to leverage multipath signal propagation and improve spectral efficiency by transmitting or receiving multiple signals via different spatial layers. This technique is known as spatial multiplexing. The multiple signals can be transmitted, for example, by a transmitting device via different antennas or different combinations of antennas. Similarly, the multiple signals can be received by a receiving device via different antennas or different combinations of antennas. Each of the multiple signals can be referred to as a separate spatial stream and can carry information associated with the same data stream (e.g., the same codeword) or different data streams (e.g., different codewords). Different spatial layers can be associated with different antenna ports used for channel measurement and reporting. MIMO techniques include: single-user MIMO (SU-MIMO), where multiple spatial layers are transmitted to the same receiving device; and multi-user MIMO (MU-MIMO), where multiple spatial layers are transmitted to multiple devices.
[0087] Beamforming (also known as spatial filtering, directional transmission, or directional reception) is a signal processing technique that can be used at a transmitting or receiving device (e.g., network entity 105, UE 115) to shape or guide an antenna beam (e.g., a transmit beam, a receive beam) along a spatial path between the transmitting and receiving devices. Beamforming can be achieved by combining signals transmitted via antenna elements of an antenna array such that some signals propagating along a specific orientation relative to the antenna array experience constructive interference, while other signals experience destructive interference. Adjustments to the signals transmitted via the antenna elements may include applying amplitude shifts, phase shifts, or both to the signals carried via the antenna elements associated with the device. The adjustments associated with each of these antenna elements may be defined by a beamforming weight set associated with a specific orientation (e.g., relative to the antenna array of the transmitting or receiving device or relative to some other orientation).
[0088] In some wireless communication systems, such as wireless communication system 100, one or more services performed by a wireless device (e.g., eMBB service, URLLC service, MTC service, etc.) can support passive IoT devices. For example, a wireless device (e.g., network entity 105 or UE 115) can manage one or more passive IoT devices, such as radio frequency identification (RFID) type sensors (e.g., for asset management, logistics, warehousing, manufacturing, etc.). For example, network entity 105 can read information stored in a passive IoT device, write information to a passive IoT device, receive signals reflected from a passive IoT device (e.g., information-bearing signals) (e.g., read reflected signals to decode information sent by the IoT device), or any combination of these operations.
[0089] Additionally or alternatively, network entity 105 may supply power to one or more passive IoT devices. For example, a passive IoT device may be an example of an EH-capable device that supports radio frequency power harvesting. An EH-capable device may include a power harvesting circuit capable of receiving a waveform and harvesting energy from it. For example, the power harvesting circuit may begin operation (e.g., turn on) upon receiving a waveform that satisfies a threshold input power (e.g., -20 dBm, -10 dBm, or some other threshold), which may correspond to the turn-on voltage of a diode included in the power harvesting circuit. In some cases, the harvested power may be non-linear with respect to the input power (e.g., due to the diode turn-on voltage) and may be more efficient at lower frequencies (e.g., due to the frequency-selective conversion efficiency resulting from the diode junction capacitance and resistance).
[0090] In some cases, the range of energy transfer can be improved (e.g., compared to continuous wave transmission) by using multiple sine waves, which can include energy transmitted across multiple frequencies. For example, network entity 105 can transmit multiple sine waves via multiple different frequency bands, which can be the PRB of the channel bandwidth, environmental IoT channels, EH channels, or any combination thereof. In some cases, the efficiency of energy transfer via multiple sine waves can depend on the spacing between the frequency bands carrying the sine waves. As an example, if multiple environmental IoT channels coexist with one or more data channels (e.g., non-independent (NSA) channels), the distribution of IoT channels across channel bandwidths can affect energy transfer performance.
[0091] In some cases, network entity 105 can select the frequency location for the EH channel such that the EH channel is frequency-continuous (e.g., separated by subcarrier spacing such as 15 kHz), cross-channel bandwidth-spaced (e.g., uniform spacing across a 20 MHz band), or a combination thereof. For example, the complementary cumulative distribution function (CCDF) and average DC output current at the EH-capable device can vary at different intervals for multiple sinusoidal waveforms for the tapped delay line (TDL)-C channel (e.g., assuming no channel state information (CSIT) is available at the transmitter).
[0092] In some examples, such as when CSI information is unavailable to the transmitting device, consecutively spaced EH channels can support a larger average output current (e.g., DC output current), but may be sensitive to channel conditions between network entity 105 and passive IoT devices. For example, consecutively spaced EH channels may reduce power transfer efficiency when radio conditions degrade (e.g., significant channel fading) within consecutive PRBs of the EH channel. Additionally or alternatively, uniformly spaced EH channels can (e.g., compared to consecutively spaced EH channels) improve the consistency of power transfer. For example, network entity 105 may space EH channels individually across the channel bandwidth (e.g., utilizing the frequency diversity gain of the channel bandwidth to mitigate or reduce the impact of channel conditions on power transfer efficiency).
[0093] In some cases, such as when CSI information is available to the transmitting device (e.g., with a matched filter at the transmitting device, such as a perfect CSI), the spacing of EH channels for multi-sine waveforms can be based on the number of EH channels associated with the multi-sine waveform. For example, uniformly spaced EH channels across a channel bandwidth (e.g., a 20 MHz band) can support a higher average output current compared to consecutive EH channels separated by subcarrier intervals (e.g., 15 kHz), up to a certain number of EH channels (e.g., after a threshold number of tones, consecutively spaced tones achieve better performance than uniformly spaced tones).
[0094] By configuring multiple sine waves based on information from devices with EH capability and channel quality information, the efficiency of energy transfer can be improved.
[0095] Figure 2 An example of a wireless communication system 200 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. The wireless communication system 200 may implement one or more aspects of the wireless communication system 100. For example, the wireless communication system 200 may include network entity 105-a, UE 115-a, and device 205 with EH capability (e.g., passive IoT device, MTC device, etc.), which may be references. Figure 1 Examples of corresponding devices described. The wireless communication system 200 can support network entity 105-a in transferring power to device 205 with EH capability via a multi-sine wave, which can be configured based on the delay information of device 205 with EH capability, channel conditions between network entity 105-a and device 205 with EH capability, or both. It should be noted that signaling performed between network entity 105-a and device 205 with EH capability can alternatively be performed between UE 115-a and device 205 with EH capability via link 210.
[0096] In some examples, network entity 105-a may deliver energy to EH-capable device 205 via a multisine waveform 215. In some cases, the multisine waveform 215 may include one or more EH channels 220 (e.g., environmental IoT channels) that can carry energy for collection by the EH-capable device 205. For example, the multisine waveform 215 may include one or more channel groups 225 (e.g., n groups), such as channel group 225-a, channel group 225-b, and channel group 225-c. In some cases, each channel group 225 may include a number of consecutive EH channels 220 (e.g., m channels per group for a total of nm channels) and may be separated by one or more PRBs 230 of channel bandwidth 250 for communication between network entity 105-a and EH-capable device 205. Network entity 105-a may transmit one or more tones (e.g., subcarriers) associated with each EH channel 220. For example, network entity 105-a may transmit each tone of EH channel 220 (e.g., twelve consecutive tones of a resource block (RB)) with the same amplitude, the same phase, or both. As another example, network entity 105-a may transmit a subset of the tones of EH channel 220 (e.g., a tone with power equivalent to twelve tones).
[0097] In some cases, network entity 105-a can configure the multi-sine waveform 215 according to a multi-sine waveform configuration that indicates the frequency position of the EH channels 220 of the multi-sine waveform 215 within the channel bandwidth 250. For example, network entity 105-a can uniformly place each channel group 225 across the channel bandwidth 250 (e.g., each channel group 225 is separated by the same number of PRBs 230). Such a multi-sine waveform configuration can support improved multi-sine gain (e.g., due to the consecutive EH channels 220 in each channel group 225) while maintaining frequency diversity gain (e.g., due to the separation of the channel groups 225).
[0098] In some examples, network entity 105-a can determine the multi-sine waveform configuration based on the quality of channel bandwidth 250, latency information associated with EH-capable device 205, or both. For example, network entity 105-a can send information request 235, which may request EH-capable device 205 to indicate latency information, channel state information (CSI) of channel bandwidth 250, or both. In some cases, EH-capable device 205 can send latency parameter 240 (e.g., a first indication) indicating latency constraints associated with EH-capable device 205. As an example, latency parameter 240 may indicate a first latency level (e.g., strict latency constraint), a second latency level (e.g., medium latency constraint), or a third latency level (e.g., no latency constraint) for EH-capable device 205. In some cases, latency parameter may be associated with battery power (e.g., battery capacity, current battery life, or both), the type of EH-capable device 205, or both. For example, if the device 205 with EH capability is an example of a tag used in sensor applications, then the device 205 with EH capability can be associated with relatively strict latency constraints. Network entity 105-a can be configured with multiple sine waves 215 according to latency parameter 240, as referenced below. Figures 3A to 5 Further description.
[0099] Additionally or alternatively, the EH-capable device 205 can transmit one or more channel quality measurements 245 (e.g., a second indication) associated with the channel bandwidth 250. For example, network entity 105-a can receive signals (e.g., backscattered signals) indicating one or more channel conditions to determine a multi-sine waveform configuration. In some examples, network entity 105-a can fix the allocation of the EH channel 220 (e.g., fixed IoT channel allocation during multiple wireless channel variations) and configure the multi-sine waveform 215 according to a fixed channel allocation scheme with available CSI. In such examples, network entity 105-a can select the number of channel groups 225 (e.g., to improve or maximize diversity gain) based on the number of available channels, the bandwidth used for the multi-sine waveform, or both. For example, network entity 105-a can determine the number of channel groups 225 (e.g., n evenly spaced groups) based on a channel model, where this number can be related to bandwidth constraints (e.g., in the case of a tapped delay line (TDL)-C channel model with a 100ns delay spread, n can be equal to 20). In some examples, if the CSI (Channel Identity Scale) indicates relatively good channel conditions (e.g., reported by device 205 with EH capability or measured by network entity 105-a), network entity 105-a can select fewer channel groups 225 than if the CSI indicates relatively poor channel conditions (e.g., a larger number of channel groups 225 can be used to accommodate poorer channel conditions). Network entity 105-a can then select the number of EH channels 220 to include in each channel group 225 (e.g., to improve or maximize multisine performance). In these examples, channel information such as CSI can be available for transmission at the reader, and the environmental IoT channel allocation can be fixed during multiple wireless channel variations. In such examples, the number of groups can be selected to increase (e.g., maximize) diversity gain, depending on the number of available channels and the bandwidth used for environmental IoT. In some cases, a maximum value can be determined based on the channel model. In some examples, as the value increases, the bandwidth requirement increases. For example, in the case of a TDL-C channel with a 100ns delay spread, a value of 20 can be selected, and the value can be selected to improve (e.g., maximize) multisine performance.
[0100] In some other examples, network entity 105-a may support variable EH channel 220 allocation (e.g., IoT channel allocation may vary for each wireless channel change). In such examples, network entity 105-a may (e.g., based on channel quality measurement 245) identify the RB 255 with the highest gain channel bandwidth 250 and may place EH channels 220 consecutively around RB 255 (e.g., n=1). For example, network entity 105-a may identify the CSI associated with each RB of channel bandwidth 250 and may determine that RB 255 has a CSI indicating the highest channel quality (e.g., gain). Network entity 105-a may configure a single channel group 225 comprising multiple sine waves for each EH channel 220 and may place channel groups 225 such that EH channels 220 surround RB 255 with the highest gain (e.g., to maximize multi-sine performance and channel gain). In the example, channel information such as CSI may be available for transmission at the reader, and environmental IoT channel allocation may vary for each wireless channel change. In this case, the channel with the highest gain can be selected based on the observed CSI, and environmental IoT channels can be continuously placed around the selected channel (e.g., the channel with the best CSI) to achieve improved (e.g., the highest) multi-sine and channel gain.
[0101] Figure 3A and Figure 3B Examples of waveform configurations 301 and 302 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure are shown respectively. Waveform configurations 301 and 302 can be implemented by one or more aspects of wireless communication system 100 and wireless communication system 200. For example, waveform configurations 301 and 302 can be examples of multi-sine waveforms transmitted by network entity 105 to transfer energy to an EH-capable device, which can be a reference device. Figure 1 and Figure 2 Examples of the corresponding devices described. In some cases, network entity 105 can transmit multi-sine waveforms according to a multi-sine waveform configuration that can indicate the frequency position of EH channel 305 (e.g., an environmental IoT channel) across bandwidth 310 (e.g., the channel bandwidth used for communication between network entity 105 and EH-capable devices). In some examples, waveform configurations 301 and 302 can be examples of multi-sine waveform configurations based on delay constraints (e.g., medium delay constraints) of EH-capable devices.
[0102] Figure 3AAn example of a waveform configuration 301 is illustrated that balances frequency diversity and multisine gain when no CSI associated with bandwidth 310 is available to network entity 105. In some cases, waveform configuration 301 may include one or more groups of EH channels 305. For example, network entity 105 may place EH channels 305 in channel groups 315-a and 315-b (e.g., n=2) that can be separated by one or more PRBs 320 of bandwidth 310 (e.g., a 20 MHz band). In some examples, network entity 105 may select the frequency locations for channel groups 315-a and 315-b based on the delay constraints of devices with EH capability, which may indicate that devices with EH capability are associated with applications that allow for moderate delay. For example, network entity 105 may allocate EH channels 305 at each edge of bandwidth 310 to support frequency diversity, which may increase the likelihood that at least a portion of EH channels 305 is not placed at RBs experiencing poor channel conditions in bandwidth 310. In some cases, frequency diversity can enable EH-capable devices to receive at least a portion of EH channel 305 and harvest energy for communication based on delay constraints (e.g., satisfying delay constraints). Furthermore, network entity 105-a can allocate consecutively spaced EH channels 305 adjacent to (e.g., forming channel groups 315-a and 315-b) the edge EH channels 305 to support multi-sinusoidal gain. In some cases, consecutively spaced EH channels 305 can provide more energy to EH-capable devices compared to frequency-separated EH channels 305 (e.g., separated by spacing PRB 320). Such techniques can support a balance between frequency diversity and multi-sinusoidal gain while maintaining a reduced (e.g., minimum) bandwidth for EH channels 305.
[0103] Figure 3BAn example is illustrated of a waveform configuration 302 that balances frequency diversity and multisine gain when the CSI associated with bandwidth 310 is unavailable to network entity 105. In some cases, waveform configuration 302 may include channel groups 315-a and 315-b spaced according to a frequency interval 325 (e.g., a bandwidth lower than waveform configuration 301). In some cases, network entity 105 may identify the frequency interval 325 based on the channel conditions of bandwidth 310. For example, network entity 105 may send a reference signal to a device with EH capability, and the device with EH capability may backscatter the reference signal. Network entity 105 may then measure the backscattered signal to identify channel variations in bandwidth 310 and may determine the frequency interval 325 (e.g., coherence bandwidth) based on the channel variations. For example, a channel variation may indicate that frequency diversity can be achieved for multisine waveforms by separating the EH channels 305 at frequency interval 325, which may support smaller bandwidth usage for multisine waveforms (e.g., relative to placing channel group 315 at the edge of bandwidth 310). Such techniques can support a balance between frequency diversity and multi-sinusoidal gain while maintaining a reduced (e.g., minimum) bandwidth for EH channel 305.
[0104] Figure 4 An example of waveform configuration 400 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Waveform configuration 400 may be implemented by one or more aspects of wireless communication system 100 and wireless communication system 200. For example, waveform configuration 400 may be an example of a multi-sine wave transmitted by network entity 105 to transfer power to a device with EH capability, which may be a reference device. Figure 1 and Figure 2 Examples of corresponding devices described. In some cases, network entity 105 can transmit multi-sine waveforms according to a multi-sine waveform configuration that can indicate the frequency position of EH channel 405 (e.g., an environmental IoT channel) across bandwidth 410 (e.g., the channel bandwidth used for communication between network entity 105 and EH-capable devices). In some examples, waveform configuration 400 can be an example of a multi-sine waveform configuration based on delay constraints (e.g., relatively strict delay constraints) of EH-capable devices. For example, waveform configuration 400 can support multi-sine waveforms with full frequency diversity gain when CSI of bandwidth 410 is not available to network entity 105.
[0105] In some cases, network entity 105 can distribute each EH channel 405 across bandwidth 410 based on latency constraints of EH-capable devices. For example, network entity 105 can allocate EH channels 405 such that at least one interval PRB 415 of bandwidth 410 separates each EH channel 405 (e.g., each channel group includes one environmental IoT channel, m=1). In some examples, network entity 105 can place individual EH channels 405 across the full bandwidth 410. For example, network entity 105 can place EH channels 405 at each edge of bandwidth 410 and can (e.g., according to a uniform interval or another interval) place the remaining EH channels 405 individually within bandwidth 410. Such techniques can achieve significant frequency diversity gain (e.g., robustness against channel fading) to meet latency constraints of EH-capable devices. For example, latency constraints can instruct EH-capable devices to perform applications requiring low-latency power delivery. By uniformly spacing the EH channels 405 across the bandwidth 410, the likelihood that at least a portion of the EH channels 405 is experiencing poor channel conditions (e.g., significant fading) can be reduced. Therefore, a device with EH capability is more likely to receive at least a portion of the EH channels 405 to collect energy for performing low-latency communication.
[0106] Figure 5 An example of waveform configuration 500 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Waveform configuration 500 may be implemented by one or more aspects of wireless communication system 100 and wireless communication system 200. For example, waveform configuration 500 may be an example of a multi-sine wave transmitted by network entity 105 to transfer power to a device with EH capability, which may be a reference device. Figure 1 and Figure 2 Examples of corresponding devices described. In some cases, network entity 105 can transmit multisine waveforms according to a multisine waveform configuration that can indicate the frequency location of EH channel 505 (e.g., an environmental IoT channel) across bandwidth 510 (e.g., the channel bandwidth used for communication between network entity 105 and EH-capable devices). In some examples, waveform configuration 500 can be an example of a multisine waveform configuration based on delay constraints (e.g., no delay constraints) of EH-capable devices. For example, waveform configuration 400 can support multisine waveforms with full multisine gain when CSI of bandwidth 410 is not available to network entity 105.
[0107] In some examples, network entity 105 may place EH channels 505 within channel group 515, which may be a collection of consecutive channels with bandwidth 510. For example, network entity 105 may place each EH channel 505 consecutively (e.g., n=1) such that the PRB 520 of bandwidth 510 does not separate the EH channels 505. In some cases, such multisine waveforms can support relatively low bandwidth for channel group 515 (e.g., compared to waveform configurations 301, 302, and 400) and can support relatively high output current at EH-capable devices (e.g., the average DC current may be higher for consecutive channels, albeit at the cost of frequency diversity). Due to the delay constraints of EH-capable devices, such techniques can achieve large multisine gains (e.g., large energy transfer performance). For example, consecutively spaced EH channels 505 can increase the amount of energy collected by EH-capable devices when receiving multisine waveforms. In some cases, such as when delay constraints instruct an EH-capable device to perform an application with specific delay requirements or with relaxed delay requirements, the EH-capable device can receive multiple sinusoidal waveforms in a continuous EH channel to improve multisinusoidal gain, thus enabling enhanced energy harvesting when channel conditions are favorable. Therefore, energy transfer can be more efficient when channel conditions are favorable.
[0108] Figure 6 An example of a process flow 600 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Process flow 600 may implement or be implemented by one or more aspects of wireless communication systems 100 and 200 and waveform configurations 301, 302, 400, and 500. For example, process flow 600 may be an example of signaling between network entity 105-b (e.g., a transmitting wireless device, which may also be an example of UE 115) and device 605 with EH capability, which may be a reference device. Figure 1 and Figure 2 Examples of the corresponding devices described. In some cases, process flow 600 can support network entity 105-b to transfer energy to device 605 with EH capability via a multisine waveform configured according to a multisine waveform configuration, as referenced. Figures 2 to 5 As described. Alternative examples of the following may be implemented, some of which may be performed in a different order than described, or not at all. In some cases, processes may include additional features not mentioned below, or additional processes may be added.
[0109] At 610, network entity 105-b may send a request for information from device 605 with EH capability. For example, network entity 105-b may request delay information, channel quality information, or both associated with device 605 with EH capability.
[0110] At 615, the EH-capable device 605 can send communication information to network entity 105-b after receiving an information request. In some cases, the communication information may include a first indication of latency parameters for the EH-capable device 605, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between network entity 105-b and the EH-capable device 605, or both. The latency parameters may indicate a latency level associated with the EH-capable device 605, such as a first latency level (e.g., strict latency constraints), a second latency level (e.g., moderate latency constraints), or a third latency level (e.g., no latency constraints). In some cases, the latency parameters of the EH-capable device 605 may be based on the battery level of the EH-capable device 605 (e.g., battery capacity, current battery life, or both), the type of the EH-capable device 605 (e.g., tags for sensor applications may have strict latency constraints), the quality of service (QoS) level of the EH-capable device 605, or any combination thereof.
[0111] At 620, network entity 105-b can configure a multi-sine waveform for transferring energy to device 605 with EH capability. In some cases, network entity 105-b can determine the multi-sine waveform configuration for the multi-sine waveform based on delay parameters for device 605 with EH capability, at least one channel quality measurement, or both. Network entity 105-b can send control messages (e.g., downlink control information (DCI), RRC signaling, etc.) to device 605 with EH capability, indicating the multi-sine waveform configuration applied to one or more subsequent multi-sine waveforms, as described herein. Figures 2 to 5 As depicted in the text. In some cases, a multi-sine waveform configuration can indicate the corresponding frequency position of each of a plurality of EH channels within the channel bandwidth associated with the multi-sine waveform. In some examples, a multi-sine waveform configuration can indicate one or more groups of EH channels (e.g., n groups), where each of the one or more EH channel groups can include a corresponding subset of the plurality of EH channels (e.g., m channels). For example, a multi-sine waveform configuration can indicate that one or more EH channel groups are uniformly distributed across the channel bandwidth (e.g., to improve multi-sine performance and frequency diversity). In some cases, the number of one or more EH channel groups can be based on at least one channel quality measurement (e.g., the maximum value of n can depend on the channel model).
[0112] In some cases, network entity 105-b can determine a multi-sine waveform configuration based on delay parameters for device 605 with EH capability. As an example, the multi-sine waveform configuration can indicate a first frequency position of a first subset of EH channels and a second frequency position of a second subset of EH channels in a plurality of EH channels based on delay parameters for device 605 with EH capability, the delay parameters indicating a second delay level (e.g., a medium delay constraint). In some cases, the first subset of EH channels may include a first set of consecutive PRBs of the channel bandwidth, and the second subset of EH channels may include a second set of consecutive PRBs of the channel bandwidth. In some examples, the first frequency position may correspond to a first edge of the channel bandwidth, and the second frequency position may correspond to a second edge of the channel bandwidth (see, for example, [link to relevant documentation]). Figure 3A Additionally or alternatively, the first and second frequency positions may be frequency-spaced based on a frequency spacing value (e.g., coherent bandwidth) corresponding to at least one channel quality measurement (see, for example, see...). Figure 3B ).
[0113] As another example, the multi-sine waveform configuration can indicate the cross-channel bandwidth distribution of the EH channels based on a delay parameter for a device 605 with EH capability, which can indicate a first delay level (e.g., strict delay constraint). In some cases, each EH channel can be placed individually such that at least one interval PRB separates each pair of EH channels (see, for example, [link to relevant documentation]). Figure 4 ).
[0114] As another example, the multi-sine waveform configuration can indicate that the EH channel includes a set of consecutive PRBs of the channel bandwidth based on the delay parameters for device 605 with EH capability (see, for example). Figure 5 This delay parameter can indicate a third delay level (e.g., no delay constraint). Additionally or alternatively, the frequency location of a set of consecutive PRBs can be based on at least one channel quality measurement of the channel bandwidth (e.g., network entity 105-b can position the EH channel around the PRB with the highest channel quality).
[0115] At 625, network entity 105-b can transmit a multisine waveform to transfer energy to device 605 with EH capability. The multisine waveform may include EH channels configured and distributed according to the multisine waveform. By configuring the multisine waveform based on delay parameters and channel quality measurements, the efficiency, reliability, or both of energy transfer can be improved.
[0116] Figure 7A block diagram 700 illustrates a device 705 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure. Device 705 may be an example of aspects of network entity 105 as described herein. Device 705 may include a receiver 710, a transmitter 715, and a communication manager 720. Device 705, or one or more components of device 705 (e.g., receiver 710, transmitter 715, communication manager 720), may include at least one processor that may be coupled to at least one memory to support channel allocation for the wireless power transfer features discussed herein. Each of these components may communicate with each other (e.g., via one or more buses).
[0117] Receiver 710 may provide components for acquiring (e.g., receiving, determining, identifying) information (such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units)) associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack). The information may be delivered to other components of device 705. In some examples, receiver 710 may support acquiring information by receiving signals via one or more antennas. Additionally or alternatively, receiver 710 may support acquiring information by receiving signals via one or more wired (e.g., electrical, fiber optic) interfaces, wireless interfaces, or any combination thereof.
[0118] Transmitter 715 may provide components for outputting (e.g., transmitting, providing, conveying, transmitting) information generated by other components of device 705. For example, transmitter 715 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, transmitter 715 may support outputting information by transmitting signals via one or more antennas. Additionally or alternatively, transmitter 715 may support outputting information by transmitting signals via one or more wired (e.g., electrical, fiber optic) interfaces, wireless interfaces, or any combination thereof. In some examples, transmitter 715 and receiver 710 may be co-located in a transceiver, which may include or be coupled to a modem.
[0119] The communication manager 720, receiver 710, transmitter 715, or various combinations thereof, or various components thereof, may be examples of parts for performing various aspects of channel allocation for wireless power transfer as described herein. For example, the communication manager 720, receiver 710, transmitter 715, or various combinations thereof, or components thereof, may be able to perform one or more of the functions described herein.
[0120] In some examples, the communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be implemented in hardware (e.g., in communication management circuitry). The hardware may include at least one of a processor, DSP, CPU, ASIC, FPGA, or other programmable logic device, microcontroller, discrete gate or transistor logic element, discrete hardware component, or any combination thereof, configured as or otherwise individually or collectively to support components for performing the functions described herein. In some examples, at least one processor and at least one memory coupled to at least one processor may be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in at least one memory by at least one processor).
[0121] Additionally or alternatively, the communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be implemented in code executed by at least one processor (e.g., as communication management software or firmware). If implemented in code executed by at least one processor, the functionality of the communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be performed by a general-purpose processor, DSP, CPU, ASIC, FPGA, microcontroller, or any combination of these or other programmable logic devices (e.g., configured as or otherwise individually or jointly to support components for performing the functions described in this disclosure).
[0122] In some examples, the communication manager 720 may be configured to use or otherwise cooperate with the receiver 710, transmitter 715, or both to perform various operations (e.g., receiving, acquiring, monitoring, outputting, transmitting). For example, the communication manager 720 may receive information from the receiver 710, transmit information to the transmitter 715, or be integrated with the receiver 710, transmitter 715, or both to acquire information, output information, or perform various other operations as described herein.
[0123] According to the examples disclosed herein, the communication manager 720 can support wireless communication at a wireless device. For example, the communication manager 720 can be, configured, or operable to support components for transmitting requests for delay information, channel quality information, or both, associated with an EH-capable device. The communication manager 720 can be, configured, or operable to support components for receiving from an EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. The communication manager 720 can be, configured, or operable to support components for transmitting a multi-sine waveform to an EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0124] By including or configuring a communication manager 720 according to an example as described herein, device 705 (e.g., a processor that controls receiver 710, transmitter 715, communication manager 720, or combinations thereof, or otherwise coupled to them) can support techniques for improving the efficiency and reliability of energy transfer via multiple sine waves by configuring multiple sine waves according to receiver delay information, channel quality information, or both.
[0125] Figure 8 A block diagram 800 illustrates a device 805 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure. Device 805 may be an example of aspects of device 705 or network entity 105 as described herein. Device 805 may include a receiver 810, a transmitter 815, and a communication manager 820. The device or one or more components of device 805 (e.g., receiver 810, transmitter 815, communication manager 820) may include at least one processor, which may be coupled to at least one memory to support the techniques described herein. Each of these components may communicate with each other, e.g., via one or more buses.
[0126] Receiver 810 may provide components for acquiring (e.g., receiving, determining, identifying) information (such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units)) associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack). The information may be delivered to other components of device 805. In some examples, receiver 810 may support acquiring information by receiving signals via one or more antennas. Additionally or alternatively, receiver 810 may support acquiring information by receiving signals via one or more wired (e.g., electrical, fiber optic) interfaces, wireless interfaces, or any combination thereof.
[0127] Transmitter 815 may provide components for outputting (e.g., transmitting, providing, conveying, transmitting) information generated by other components of device 805. For example, transmitter 815 may output information associated with various channels (e.g., control channels, data channels, information channels, channels associated with a protocol stack), such as user data, control information, or any combination thereof (e.g., I / Q samples, symbols, packets, protocol data units, service data units). In some examples, transmitter 815 may support outputting information by transmitting signals via one or more antennas. Additionally or alternatively, transmitter 815 may support outputting information by transmitting signals via one or more wired (e.g., electrical, fiber optic) interfaces, wireless interfaces, or any combination thereof. In some examples, transmitter 815 and receiver 810 may be co-located in a transceiver, which may include or be coupled to a modem.
[0128] Device 805 or its various components may be examples of parts used to perform various aspects of channel allocation for wireless power transfer as described herein. For example, communication manager 820 may include request transmission component 825, signal receiving component 830, multi-sine wave transmission component 835, or any combination thereof. Communication manager 820 may be examples of aspects of communication manager 720 as described herein. In some examples, communication manager 820 or its various components may be configured to use or otherwise cooperate with receiver 810, transmitter 815, or both to perform various operations (e.g., receive, acquire, monitor, output, transmit). For example, communication manager 820 may receive information from receiver 810, transmit information to transmitter 815, or be integrated in combination with receiver 810, transmitter 815, or both to acquire information, output information, or perform various other operations as described herein.
[0129] According to the examples disclosed herein, the communication manager 820 can support wireless communication at a wireless device. The request sending component 825 is capable of, configured to, or operable to support components for sending a request for delay information, channel quality information, or both, associated with an EH-capable device. The signal receiving component 830 is capable of, configured to, or operable to support components for receiving from the EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. The multi-sine wave transmission component 835 is capable of, configured to, or operable to support components for transmitting a multi-sine wave to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine wave configuration, wherein the multi-sine wave configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0130] Figure 9 A block diagram 900 is shown of a communication manager 920 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure. The communication manager 920 may be an example of aspects of the communication manager 720, communication manager 820, or both as described herein. The communication manager 920 or its various components may be examples of parts for performing various aspects of channel allocation for wireless power transfer as described herein. For example, the communication manager 920 may include a request transmission component 925, a signal receiving component 930, a multi-sine wave transmission component 935, or any combination thereof. Each of these components or its sub-components (e.g., at least one processor, at least one memory) may communicate directly or indirectly (e.g., via one or more buses) with each other, and this communication may include communication within protocol layers of a protocol stack, (e.g., between protocol layers of the protocol stack, within devices, components, or virtualization components associated with network entity 105, between devices, components, or virtualization components associated with network entity 105), communication associated with logical channels of the protocol stack, or any combination thereof.
[0131] According to the examples disclosed herein, the communication manager 920 can support wireless communication at a wireless device. The request sending component 925 is capable of, configured to, or operable to support components for sending a request for delay information, channel quality information, or both, associated with an EH-capable device. The signal receiving component 930 is capable of, configured to, or operable to support components for receiving from the EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. The multi-sine wave transmission component 935 is capable of, configured to, or operable to support components for transmitting a multi-sine wave to the EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine wave configuration, wherein the multi-sine wave configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0132] In some examples, the multi-sine waveform configuration indicates one or more EH channel groups, each of which comprises a corresponding subset of a set of multiple EH channels.
[0133] In some examples, the multi-sine waveform configuration indicates that one or more EH channel groups have a uniform distribution of bandwidth across the channel.
[0134] In some examples, the number of one or more EH channel groups is based on at least one channel quality measurement.
[0135] In some examples, the multi-sine waveform configuration is based on delay parameters for devices with EH capability to indicate a first frequency position of a first subset of EH channels in a set of multiple EH channels and a second frequency position of a second subset of EH channels in a set of multiple EH channels, the first subset of EH channels comprising a first set of consecutive PRBs of channel bandwidth, and the second subset of EH channels comprising a second set of consecutive PRBs of channel bandwidth.
[0136] In some examples, the first frequency position corresponds to the first edge of the channel bandwidth, and the second frequency position corresponds to the second edge of the channel bandwidth.
[0137] In some examples, the first frequency position and the second frequency position are frequency-spaced based on a frequency interval value corresponding to at least one channel quality measurement.
[0138] In some examples, the multi-sine waveform configuration indicates the cross-channel bandwidth distribution of the set of multiple EH channels based on delay parameters for devices with EH capability. In some examples, at least one physical interval resource block separates each pair of EH channels in the set of multiple EH channels.
[0139] In some examples, the multi-sine waveform configuration is based on the delay parameters for devices with EH capability to indicate a set of multiple EH channels including a set of consecutive PRBs of channel bandwidth.
[0140] In some examples, the frequency location of a set of consecutive PRBs is based on at least one channel quality measurement of the channel bandwidth.
[0141] In some examples, the latency parameter is based on the battery level of the device with EH capability, the type of device with EH capability, or both.
[0142] Figure 10 A diagram of a system 1000 including a device 1005 supporting channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown. Device 1005 may be an example of device 705, device 805, or network entity 105 as described herein, or may include components thereof. Device 1005 may communicate with one or more network entities 105, one or more UEs 115, or any combination thereof, and this communication may include communication via one or more wired interfaces, one or more wireless interfaces, or any combination thereof. Device 1005 may include components supporting output and obtaining communication, such as a communication manager 1020, a transceiver 1010, an antenna 1015, at least one memory 1025, code 1030, and at least one processor 1035. These components may communicate electronically or otherwise (e.g., operative ground, communicative ground, functional ground, electronic ground, electrical ground) via one or more buses (e.g., bus 1040).
[0143] Transceiver 1010 may support bidirectional communication via a wired link, a wireless link, or both, as described herein. In some examples, transceiver 1010 may include a wired transceiver and be capable of bidirectional communication with another wired transceiver. Additionally or alternatively, in some examples, transceiver 1010 may include a wireless transceiver and be capable of bidirectional communication with another wireless transceiver. In some examples, device 1005 may include one or more antennas 1015 that are capable of (e.g., concurrently) transmitting or receiving wireless transmissions. Transceiver 1010 may also include a modem for: modulating a signal; providing the modulated signal for transmission (e.g., via one or more antennas 1015, via a wired transmitter); receiving the modulated signal (e.g., from one or more antennas 1015, from a wired receiver); and demodulating the signal. In some embodiments, transceiver 1010 may include one or more interfaces, such as one or more interfaces coupled to one or more antennas 1015 configured to support various receive or acquire operations, or one or more interfaces coupled to one or more antennas 1015 configured to support various transmit or output operations, or combinations thereof. In some embodiments, transceiver 1010 may include one or more processor or memory components or be configured to couple to one or more processor or memory components capable of operating to perform or support operations based on received or acquired information or signals, or to generate information or other signals for transmission or other output, or any combination thereof. In some embodiments, transceiver 1010, or transceiver 1010 and one or more antennas 1015, or transceiver 1010 and one or more antennas 1015 and one or more processor or memory components (e.g., processor 1035 or memory 1025 or both), may be included in a chip or chip assembly mounted in device 1005. In some examples, the transceiver may be able to operate to support communication via one or more communication links (e.g., communication link 125, backhaul communication link 120, midhaul communication link 162, and fronthaul communication link 168).
[0144] At least one memory 1025 may include RAM and ROM. At least one memory 1025 may store computer-readable, computer-executable code 1030 including instructions that, when executed by at least one processor 1035, cause device 1005 to perform the various functions described herein. Code 1030 may be stored in a non-transitory computer-readable medium, such as system memory or another type of memory. In some cases, code 1030 may not be directly executable by at least one processor 1035, but may enable a computer (e.g., when compiled and executed) to perform the functions described herein. In some cases, among other things, at least one memory 1025 may also include a BIOS that controls basic hardware or software operation, such as interaction with peripheral components or devices.
[0145] At least one processor 1035 may include intelligent hardware devices (e.g., general-purpose processors, DSPs, ASICs, CPUs, FPGAs, microcontrollers, programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any combination thereof). In some cases, at least one processor 1035 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into at least one processor 1035. At least one processor 1035 may be configured to execute computer-readable instructions stored in a memory (e.g., at least one memory 1025) to cause device 1005 to perform various functions (e.g., functions or tasks supporting channel allocation for wireless power transfer). For example, device 1005 or components of device 1005 may include at least one processor 1035 and at least one memory 1025 coupled to at least one processor 1035, at least one processor 1035 and at least one memory 1025 configured to perform the various functions described herein. In some examples, at least one processor 1040 may include multiple processors, and at least one memory 1030 may include multiple memories. One or more of a plurality of processors may be coupled to one or more of a plurality of memories, which may be configured individually or collectively to perform the various functions described herein.
[0146] At least one processor 1035 may be an example of a cloud computing platform (e.g., one or more physical nodes and supporting software such as an operating system, virtual machine, or container instance) that can (e.g., by executing code 1030) host functions for performing the functions of device 1005. At least one processor 1035 may be any one or more suitable processors capable of executing scripts or instructions of one or more software programs stored in device 1005 (such as stored within at least one memory 1025). In some implementations, at least one processor 1035 may be a component of a processing system. A processing system generally refers to a system or series of machines or components that receive input and process that input to produce a set of outputs (which may be delivered to, for example, other systems or components of device 1005). For example, the processing system of device 1005 may refer to a system that includes various other components or sub-components of device 1005 (such as at least one processor 1035, transceiver 1010, communication manager 1020, or other components or combinations of components of device 1005). The processing system of device 1005 can interface with other components of device 1005 and can process information (such as inputs or signals) received from other components or output information to other components. For example, the chip or modem of device 1005 may include a processing system and one or more interfaces for outputting information or for receiving information, or both. These one or more interfaces may be implemented or otherwise include a first interface configured to output information and a second interface configured to receive information, or the same interface configured to both output and receive information, and other specific implementations. In some implementations, these one or more interfaces may refer to an interface between the processing system of the chip or modem and a transmitter, allowing device 1005 to transmit information output from the chip or modem. Additionally or alternatively, in some implementations, these one or more interfaces may refer to an interface between the processing system of the chip or modem and a receiver, allowing device 1005 to receive information or signal input, and this information may be delivered to the processing system. Those skilled in the art will readily recognize that the first interface may also receive information or signal input, and the second interface may also output information or signal output.
[0147] In some examples, bus 1040 may support communication at the protocol layer of the protocol stack (e.g., within a protocol layer). In some examples, bus 1040 may support communication associated with logical channels of the protocol stack (e.g., between protocol layers of the protocol stack), which may include communication performed within components of device 1005, or communication performed between different components of device 1005 that are co-addressable or may be located in different locations (e.g., where device 1005 may refer to a system in which one or more of communication manager 1020, transceiver 1010, at least one memory 1025, code 1030 and at least one processor 1035 may be located in one component of different components or partitioned between different components).
[0148] In some examples, the communication manager 1020 can manage (e.g., via one or more wired or wireless backhaul links) various aspects of communication with the core network 130. For example, the communication manager 1020 can manage the delivery of data communications by client devices, such as one or more UEs 115. In some examples, the communication manager 1020 can manage communication with other network entities 105 and may include a controller or scheduler for coordinating other network entities 105 to control communication with UE 115. In some examples, the communication manager 1020 may support the X2 interface within LTE / LTE-A wireless communication network technology to provide communication between network entities 105.
[0149] According to the examples disclosed herein, the communication manager 1020 can support wireless communication at a wireless device. For example, the communication manager 1020 can be, configured, or operated to support components for transmitting requests for delay information, channel quality information, or both, associated with an EH-capable device. The communication manager 1020 can be, configured, or operated to support components for receiving from an EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. The communication manager 1020 can be, configured, or operated to support components for transmitting a multi-sine waveform to an EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0150] By including or configuring a communication manager 1020 according to an example as described herein, device 1005 can support techniques for improving the efficiency and reliability of energy transfer via multiple sine waves by configuring multiple sine waves according to receiver delay information, channel quality information, or both.
[0151] In some examples, the communication manager 1020 may be configured to use or otherwise coordinate with the transceiver 1010, one or more antennas 1015 (e.g., where applicable), or any combination thereof to perform various operations (e.g., receive, acquire, monitor, output, transmit). Although the communication manager 1020 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 1020 may be supported by or performed by the transceiver 1010, at least one processor 1035, at least one memory 1025, code 1030, or any combination thereof. For example, code 1030 may include instructions that can be executed by at least one processor 1035 to cause the device 1005 to perform various aspects of channel allocation for wireless power transfer as described herein, or at least one processor 1035 and at least one memory 1025 may be otherwise configured to perform or support such operations.
[0152] Figure 11 A block diagram 1100 of an apparatus 1105 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Apparatus 1105 may be an example of aspects of a UE 115 as described herein. Apparatus 1105 may include a receiver 1110, a transmitter 1115, and a communication manager 1120. Apparatus 1105, or one or more components of apparatus 1105 (e.g., receiver 1110, transmitter 1115, communication manager 1120), may include at least one processor that may be coupled to at least one memory to support the techniques described herein. Each of these components may communicate with each other (e.g., via one or more buses).
[0153] Receiver 1110 may provide components for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to channel allocation for wireless power transfer). The information may be delivered to other components of device 1105. Receiver 1110 may utilize a single antenna or a collection of antennas.
[0154] Transmitter 1115 may provide components for transmitting signals generated by other components of device 1105. For example, transmitter 1115 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels, such as control channels, data channels, and information channels related to channel allocation for wireless power transfer. In some examples, transmitter 1115 may be co-located with receiver 1110 in a transceiver module. Transmitter 1115 may utilize a single antenna or a collection of multiple antennas.
[0155] The communication manager 1120, receiver 1110, transmitter 1115, or various combinations thereof, or various components thereof, may be examples of components used to perform various aspects of channel allocation for wireless power transfer as described herein. For example, the communication manager 1120, receiver 1110, transmitter 1115, or various combinations thereof, or components thereof, may support methods for performing one or more of the functions described herein.
[0156] In some examples, the communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof may be implemented in hardware (e.g., in communication management circuitry). This hardware may include a processor, digital signal processor (DSP), central processing unit (CPU), application-specific integrated circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device, microcontroller, discrete gate or transistor logic component, discrete hardware component, or any combination thereof, configured as or otherwise to support components for performing the functions described herein. In some examples, the processor and memory coupled to the processor may be configured to perform one or more of the functions described herein (e.g., by executing instructions stored in memory by the processor).
[0157] Additionally or alternatively, in some examples, the communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof, may be implemented in code executed by a processor (e.g., implemented as communication management software or firmware). If implemented in code executed by a processor, the functionality of the communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof may be performed by (e.g., a general-purpose processor, DSP, CPU, ASIC, FPGA, microcontroller, or any combination of these or other programmable logic devices configured as or otherwise supporting components for performing the functions described in this disclosure).
[0158] In some examples, the communication manager 1120 may be configured to use or otherwise cooperate with the receiver 1110, the transmitter 1115, or both to perform various operations (e.g., receiving, acquiring, monitoring, outputting, transmitting). For example, the communication manager 1120 may receive information from the receiver 1110, transmit information to the transmitter 1115, or be integrated with the receiver 1110, the transmitter 1115, or both to acquire information, output information, or perform various other operations as described herein.
[0159] Communication manager 1120 can support wireless communication at an EH-capable device according to examples disclosed herein. For example, communication manager 1120 can be configured or operable to support components for receiving from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device. Communication manager 1120 can be configured or operable to support components for sending to the wireless device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. Communication manager 1120 can be configured or operable to support components for receiving a multi-sine waveform from the wireless device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0160] By including or configuring a communication manager 1120 according to an example as described herein, device 1105 (e.g., a processor that controls receiver 1110, transmitter 1115, communication manager 1120, or combinations thereof, or otherwise coupled to them) can support techniques for improving the efficiency and reliability of energy transfer via multiple sine waves by configuring multiple sine waves according to receiver delay information, channel quality information, or both.
[0161] Figure 12A block diagram 1200 of a device 1205 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure is shown. Device 1205 may be an example of aspects of device 1105 or UE 115 as described herein. Device 1205 may include receiver 1210, transmitter 1215, and communication manager 1220. Device 1205 or one or more components of device 1205 (e.g., receiver 1210, transmitter 1215, communication manager 1220) may include at least one processor that may be coupled to at least one memory to support the techniques described herein. Each of these components may communicate with each other (e.g., via one or more buses).
[0162] Receiver 1210 may provide components for receiving information such as packets, user data, control information, or any combination thereof associated with various information channels (e.g., control channels, data channels, information channels related to channel allocation for wireless power transfer). The information may be delivered to other components of device 1205. Receiver 1210 may utilize a single antenna or a collection of antennas.
[0163] Transmitter 1215 may provide components for transmitting signals generated by other components of device 1205. For example, transmitter 1215 may transmit information such as packets, user data, control information, or any combination thereof associated with various information channels, such as control channels, data channels, and information channels related to channel allocation for wireless power transfer. In some examples, transmitter 1215 may be co-located with receiver 1210 in a transceiver module. Transmitter 1215 may utilize a single antenna or a collection of multiple antennas.
[0164] Device 1205 or its various components may be examples of parts used to perform various aspects of channel allocation for wireless power transfer as described herein. For example, communication manager 1220 may include request reception component 1225, signal transmission component 1230, multi-sine wave reception component 1235, or any combination thereof. Communication manager 1220 may be examples of aspects of communication manager 1120 as described herein. In some examples, communication manager 1220 or its various components may be configured to use or otherwise cooperate with receiver 1210, transmitter 1215, or both to perform various operations (e.g., receive, acquire, monitor, output, transmit). For example, communication manager 1220 may receive information from receiver 1210, transmit information to transmitter 1215, or be integrated in combination with receiver 1210, transmitter 1215, or both to acquire information, output information, or perform various other operations as described herein.
[0165] Communication manager 1220 can support wireless communication at an EH-capable device according to the examples disclosed herein. Request receiving component 1225 is capable of, configured to, or operable to support components for receiving from a wireless device a request for delay information, channel quality information, or both associated with an EH-capable device. Signal transmitting component 1230 is capable of, configured to, or operable to support components for transmitting to a wireless device a first indication of a delay parameter for an EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. Multi-sine waveform receiving component 1235 is capable of, configured to, or operable to support components for receiving a multi-sine waveform from a wireless device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0166] Figure 13 A block diagram 1300 is shown of a communication manager 1320 supporting channel allocation for wireless power transfer according to one or more aspects of this disclosure. The communication manager 1320 may be an example of aspects of the communication manager 1120, communication manager 1220, or both as described herein. The communication manager 1320 or its various components may be examples of parts for performing various aspects of channel allocation for wireless power transfer as described herein. For example, the communication manager 1320 may include a request reception component 1325, a signal transmission component 1330, a multi-sine wave reception component 1335, or any combination thereof. Each of these components or its sub-components (e.g., at least one processor, at least one memory) may communicate with each other directly or indirectly (e.g., via one or more buses).
[0167] Communication manager 1320 can support wireless communication at an EH-capable device according to examples disclosed herein. Request receiving component 1325 is capable of, configured to, or operable to support components for receiving from a wireless device a request for delay information, channel quality information, or both associated with an EH-capable device. Signal transmitting component 1330 is capable of, configured to, or operable to support components for transmitting to a wireless device a first indication of a delay parameter for an EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. Multi-sine waveform receiving component 1335 is capable of, configured to, or operable to support components for receiving a multi-sine waveform from a wireless device via a set of multiple EH channels within the channel bandwidth according to a multi-sine waveform configuration, wherein the multi-sine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on a delay parameter for an EH-capable device, at least one channel quality measurement, or both.
[0168] In some examples, the multi-sine waveform configuration indicates one or more EH channel groups, each of which comprises a corresponding subset of a set of multiple EH channels.
[0169] In some examples, the multi-sine waveform configuration indicates that one or more EH channel groups have a uniform distribution of bandwidth across the channel.
[0170] In some examples, the number of one or more EH channel groups is based on at least one channel quality measurement.
[0171] In some examples, the multi-sine waveform configuration is based on delay parameters for devices with EH capability to indicate a first frequency position of a first subset of EH channels in a set of multiple EH channels and a second frequency position of a second subset of EH channels in a set of multiple EH channels, the first subset of EH channels comprising a first set of consecutive PRBs of channel bandwidth, and the second subset of EH channels comprising a second set of consecutive PRBs of channel bandwidth.
[0172] In some examples, the first frequency position corresponds to the first edge of the channel bandwidth, and the second frequency position corresponds to the second edge of the channel bandwidth.
[0173] In some examples, the first frequency position and the second frequency position are frequency-spaced based on a frequency interval value corresponding to at least one channel quality measurement.
[0174] In some examples, the multi-sine waveform configuration indicates the cross-channel bandwidth distribution of the set of multiple EH channels based on delay parameters for devices with EH capability. In some examples, at least one physical interval resource block separates each pair of EH channels in the set of multiple EH channels.
[0175] In some examples, the multi-sine waveform configuration is based on the delay parameters for devices with EH capability to indicate a set of multiple EH channels including a set of consecutive PRBs of channel bandwidth.
[0176] In some examples, the frequency location of a set of consecutive PRBs is based on at least one channel quality measurement.
[0177] In some examples, the latency parameter is based on the battery level of the device with EH capability, the type of device with EH capability, or both.
[0178] Figure 14 A diagram of a system 1400 including a device 1405 supporting channel allocation for wireless power transfer, according to one or more aspects of this disclosure, is shown. Device 1405 may be an example of device 1105, device 1205, or UE 115 as described herein, or may include components thereof. Device 1405 may communicate with one or more network entities 105, one or more UEs 115, or any combination thereof (e.g., wirelessly). Device 1405 may include components for bidirectional voice and data communication, including components for transmitting and receiving communications, such as a communication manager 1420, an input / output (I / O) controller 1410, a transceiver 1415, an antenna 1425, at least one memory 1430, code 1435, and at least one processor 1440. These components may communicate electronically or be coupled in other ways (e.g., operational ground, communication ground, functional ground, electronic ground, electrical ground) via one or more buses (e.g., bus 1445).
[0179] I / O controller 1410 manages the input and output signals of device 1405. I / O controller 1410 can also manage peripheral devices not integrated into device 1405. In some cases, I / O controller 1410 may represent a physical connection or port to an external peripheral device. In some cases, I / O controller 1410 may utilize an operating system such as iOS. ® ANDROID ® MS-DOS ® MS-WINDOWS ® OS / 2 ® UNIX ® LINUX ®Alternatively, it may be another known operating system. Additionally or alternatively, the I / O controller 1410 may represent or interact with a modem, keyboard, mouse, touchscreen, or similar device. In some cases, the I / O controller 1410 may be implemented as part of a processor (such as at least one processor 1440). In some cases, a user may interact with the device 1405 via the I / O controller 1410 or via hardware components controlled by the I / O controller 1410.
[0180] In some cases, device 1405 may include a single antenna 1425. However, in other cases, device 1405 may have more than one antenna 1425, which may be capable of concurrently transmitting or receiving multiple wireless transmissions. Transceiver 1415 may communicate bidirectionally via one or more antennas 1425 as described herein, or via a wired or wireless link. For example, transceiver 1415 may represent a wireless transceiver and may communicate bidirectionally with another wireless transceiver. Transceiver 1415 may also include a modem for: modulating packets; providing the modulated packets to one or more antennas 1425 for transmission; and demodulating packets received from one or more antennas 1425. Transceiver 1415, or transceiver 1415 and one or more antennas 1425, may be an example of transmitter 1115, transmitter 1215, receiver 1110, receiver 1210, or any combination thereof or components thereof as described herein.
[0181] Memory 1430 may include random access memory (RAM) and read-only memory (ROM). Memory 1430 may store computer-readable, computer-executable code 1435, including instructions that, when executed by at least one processor 1440, cause device 1405 to perform the various functions described herein. Code 1435 may be stored in a non-transitory computer-readable medium, such as system memory or another type of memory. In some cases, code 1435 may not be directly executable by at least one processor 1440, but may enable a computer (e.g., when compiled and executed) to perform the functions described herein. In some cases, at least one memory 1430 may, in particular, contain a basic I / O system (BIOS) that controls basic hardware or software operations, such as interaction with peripheral components or devices.
[0182] At least one processor 1440 may include intelligent hardware devices (e.g., general-purpose processors, DSPs, CPUs, microcontrollers, ASICs, FPGAs, programmable logic devices, discrete gate or transistor logic components, discrete hardware components, or any combination thereof). In some cases, at least one processor 1440 may be configured to operate a memory array using a memory controller. In some other cases, the memory controller may be integrated into at least one processor 1440. At least one processor 1440 may be configured to execute computer-readable instructions stored in memory (e.g., at least one memory 1430) to cause device 1405 to perform various functions (e.g., functions or tasks supporting channel allocation for wireless power transfer). For example, device 1405 or components of device 1405 may include at least one processor 1440 and at least one memory 1430 coupled to or coupled to the processor 1440, wherein at least one processor 1440 and at least one memory 1430 are configured to perform the various functions described herein.
[0183] Communication manager 1420 can support wireless communication at an EH-capable device according to examples disclosed herein. For example, communication manager 1420 can be, configured, or operable to support components for receiving from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device. Communication manager 1420 can be, configured, or operable to support components for sending to the wireless device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications. Communication manager 1420 can be, configured, or operable to support components for receiving a multisine waveform from the wireless device via a set of multiple EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, at least one channel quality measurement, or both.
[0184] By including or configuring a communication manager 1420 according to an example as described herein, device 1405 can support techniques for improving the efficiency and reliability of energy transfer via multiple sine waves by configuring multiple sine waves based on receiver delay information, channel quality information, or both.
[0185] In some examples, the communication manager 1420 may be configured to cooperate with or otherwise interact with transceiver 1415, one or more antennas 1425, or any combination thereof to perform various operations (e.g., receiving, monitoring, transmitting). Although the communication manager 1420 is illustrated as a separate component, in some examples, one or more functions described with reference to the communication manager 1420 may be supported by or executed by at least one processor 1440, at least one memory 1430, code 1435, or any combination thereof. For example, code 1435 may include instructions that can be executed by at least one processor 1440 to cause device 1405 to perform various aspects of channel allocation for wireless power transfer as described herein, or at least one processor 1440 and at least one memory 1430 may be otherwise configured to perform or support such operations.
[0186] Figure 15 A flowchart illustrating a method 1500 for channel allocation for wireless power transfer according to various aspects of this disclosure is shown. The operation of method 1500 may be implemented by a network entity or its components as described herein. For example, the operation of method 1500 may be implemented by, as referenced... Figures 1 to 10 The network entity described herein performs the function. In some examples, the network entity may execute a set of instructions to control the functional elements of the network entity to perform the described function. Additionally or alternatively, the network entity may use dedicated hardware to perform aspects of the described function.
[0187] At 1505, the method may include sending a request for delay information, channel quality information, or both, associated with a device having EH capability. The operation of block 1505 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1505 may be provided by reference to [reference needed]. Figure 9 The request described is sent to component 925 for execution.
[0188] At 1510, the method may include receiving from an EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both the first and second indications. Operation of block 1510 may be performed according to examples as disclosed herein. In some examples, aspects of operation of 1510 may be derived from references... Figure 9 The described signal receiving component 930 performs this function.
[0189] At 1515, the method may include transmitting a multisine waveform to an EH-capable device via a set of multiple EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on a delay parameter for the EH-capable device, at least one channel quality measurement, or both. The operation of block 1515 may be performed according to the examples disclosed herein. In some examples, aspects of the operation of 1515 may be provided by reference to [reference missing]. Figure 9 The multi-sine waveform transmitting component 935 described herein is used to perform this action.
[0190] Figure 16 A flowchart illustrating a method 1600 for channel allocation for wireless power transfer according to various aspects of this disclosure is shown. Operation of method 1600 may be implemented by a UE or its components as described herein. For example, operation of method 1600 may be implemented by, as referenced... Figures 1 to 6 and Figures 11 to 14 The UE 115 described herein is used to perform this function. In some examples, the UE can execute a set of instructions to control the functional elements of the UE to perform the described function. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the described function.
[0191] At 1605, the method may include receiving from a wireless device a request for delay information, channel quality information, or both, associated with a device having EH capability. Operation of block 1605 may be performed according to examples as disclosed herein. In some examples, aspects of operation of 1605 may be provided by reference to [reference needed]. Figure 13 The described request is executed by receiving component 1325.
[0192] At 1610, the method may include sending to the wireless device a first indication of a delay parameter for a device with EH capability, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the device with EH capability, or both the first and second indications. Operation of block 1610 may be performed according to examples as disclosed herein. In some examples, aspects of operation of 1610 may be derived from references... Figure 13 The described signal transmitting component 1330 performs this action.
[0193] At 1615, the method may include receiving a multisine waveform from a wireless device via a set of multiple EH channels within a channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration indicates the corresponding frequency position of each EH channel in the set of multiple EH channels within the channel bandwidth based on a delay parameter for an EH-capable device, at least one channel quality measurement, or both. Operation of block 1615 may be performed according to examples as disclosed herein. In some examples, aspects of operation of 1615 may be provided by reference to [reference needed]. Figure 13 The multi-sine waveform receiving component 1335 described herein is used to perform this function.
[0194] The following provides an overview of the various aspects of this disclosure:
[0195] Aspect 1: A method for wireless communication at a wireless device, the method comprising: sending a request for delay information, channel quality information, or both associated with an EH-capable device; receiving from the EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with a channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications; and transmitting a multisine waveform to the EH-capable device via a plurality of EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration indicates, at least in part, a corresponding frequency position of each of the plurality of EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both.
[0196] Aspect 2: According to the method of aspect 1, wherein the multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of the plurality of EH channels.
[0197] Aspect 3: According to the method of aspect 2, wherein the multi-sine waveform configuration indicates that the one or more EH channel groups are uniformly distributed across the channel bandwidth.
[0198] Aspect 4: The method according to any one of Aspects 2 to 3, wherein the number of the one or more EH channel groups is at least partially based on the at least one channel quality measurement.
[0199] Aspect 5: The method according to any one of Aspects 1 to 4, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the device having EH capability to indicate a first frequency position of a first subset of the EH channels and a second frequency position of a second subset of the EH channels, the first subset of the EH channels comprising a first set of consecutive PRBs of the channel bandwidth, and the second subset of the EH channels comprising a second set of consecutive PRBs of the channel bandwidth.
[0200] Aspect 6: According to the method of aspect 5, wherein the first frequency position corresponds to a first edge of the channel bandwidth, and the second frequency position corresponds to a second edge of the channel bandwidth.
[0201] Aspect 7: The method according to any one of Aspects 5 to 6, wherein the first frequency position and the second frequency position are spaced apart in frequency at least in part based on a frequency interval value corresponding to the at least one channel quality measurement.
[0202] Aspect 8: The method according to any one of Aspects 1 to 7, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the device having EH capability to indicate the distribution of the plurality of EH channels across the channel bandwidth, and at least one physical interval resource block separates each pair of EH channels among the plurality of EH channels.
[0203] Aspect 9: The method according to any one of Aspects 1 to 8, wherein the multi-sine waveform configuration is at least in part based on the delay parameters for the device having EH capability to indicate that the plurality of EH channels comprise a set of consecutive PRBs of the channel bandwidth.
[0204] Aspect 10: According to the method of aspect 9, the frequency position of the set of consecutive PRBs is at least partially based on the at least one channel quality measurement of the channel bandwidth.
[0205] Aspect 11: The method according to any one of Aspects 1 to 10, wherein the delay parameter is based at least in part on the battery capacity of the device with EH capability, the type of the device with EH capability, or both.
[0206] Aspect 12: A method for wireless communication at an EH-capable device, the method comprising: receiving from a wireless device a request for delay information, channel quality information, or both associated with the EH-capable device; sending to the wireless device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with a channel bandwidth for communication between the wireless device and the EH-capable device, or both of the first and second indications; and receiving from the wireless device a multisine waveform via a plurality of EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration indicates, at least in part, a corresponding frequency position of each of the plurality of EH channels within the channel bandwidth based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both.
[0207] Aspect 13: According to the method of aspect 12, wherein the multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of the plurality of EH channels.
[0208] Aspect 14: According to the method of aspect 13, wherein the multi-sine waveform configuration indicates that the one or more EH channel groups are uniformly distributed across the channel bandwidth.
[0209] Aspect 15: The method according to any one of Aspects 13 to 14, wherein the number of said one or more EH channel groups is based at least in part on said at least one channel quality measurement.
[0210] Aspect 16: The method according to any one of Aspects 12 to 15, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the device having EH capability to indicate a first frequency position of a first subset of the EH channels and a second frequency position of a second subset of the EH channels, the first subset of the EH channels comprising a first set of consecutive PRBs of the channel bandwidth, and the second subset of the EH channels comprising a second set of consecutive PRBs of the channel bandwidth.
[0211] Aspect 17: According to the method of aspect 16, wherein the first frequency position corresponds to a first edge of the channel bandwidth, and the second frequency position corresponds to a second edge of the channel bandwidth.
[0212] Aspect 18: The method according to any one of Aspects 16 to 17, wherein the first frequency position and the second frequency position are spaced apart in frequency at least in part based on a frequency interval value corresponding to the at least one channel quality measurement.
[0213] Aspect 19: The method according to any one of Aspects 12 to 18, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the device having EH capability to indicate the distribution of the plurality of EH channels across the channel bandwidth, and at least one physical interval resource block separates each pair of EH channels among the plurality of EH channels.
[0214] Aspect 20: The method according to any one of Aspects 12 to 19, wherein the multi-sine waveform configuration is at least in part based on the delay parameters for the device having EH capability to indicate that the plurality of EH channels comprise a set of consecutive PRBs of the channel bandwidth.
[0215] Aspect 21: According to the method of aspect 20, the frequency position of the set of consecutive PRBs is based at least in part on the at least one channel quality measurement.
[0216] Aspect 22: The method according to any one of Aspects 12 to 21, wherein the delay parameter is based at least in part on the battery capacity of the device with EH capability, the type of the device with EH capability, or both.
[0217] Aspect 23: An apparatus for wireless communication at a wireless device, the apparatus comprising: at least one processor; at least one memory coupled to the at least one processor; and instructions stored in the at least one memory and executable by the at least one processor to cause the apparatus to perform the method according to any one of aspects 1 to 11.
[0218] Aspect 24: An apparatus for wireless communication at a wireless device, the apparatus comprising at least one component for performing the method according to any one of aspects 1 to 11.
[0219] Aspect 25: A non-transitory computer-readable medium storing code for wireless communication at a wireless device, said code including instructions executable by a processor to perform the method according to any one of aspects 1 to 11.
[0220] Aspect 26: An apparatus for wireless communication at a device having EH capability, the apparatus comprising: at least one processor; at least one memory coupled to the at least one processor; and instructions stored in the at least one memory and executable by the at least one processor to cause the apparatus to perform a method according to any one of aspects 12 to 22.
[0221] Aspect 27: An apparatus for wireless communication at a device with EH capability, the apparatus comprising at least one component for performing the method according to any one of aspects 12 to 22.
[0222] Aspect 28: A non-transitory computer-readable medium storing code for wireless communication at a device with EH capability, said code including instructions executable by a processor to perform the method according to any one of aspects 12 to 22.
[0223] It should be noted that the methods described herein describe possible specific implementations, and the operations and steps can be rearranged or otherwise modified, and other specific implementations are also possible. Furthermore, aspects from two or more of these methods can be combined.
[0224] While aspects of LTE, LTE-A, LTE-A Pro, or NR systems may be described for illustrative purposes, and the terms LTE, LTE-A, LTE-A Pro, or NR may be used in most of the description, the techniques described herein are also applicable to networks other than LTE, LTE-A, LTE-A Pro, or NR networks. For example, the techniques described are applicable to a variety of other wireless communication systems, such as Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, and other systems and radio technologies not explicitly mentioned herein.
[0225] The information and signals described herein can be represented using any of a variety of different techniques and methods. For example, data, instructions, commands, information, signals, bits, symbols, and chips mentioned throughout the description can be represented by voltage, current, electromagnetic waves, magnetic fields or magnetic particles, light fields or optical particles, or any combination thereof.
[0226] The various exemplary blocks and components described herein can be implemented or performed using a general-purpose processor, DSP, ASIC, CPU, FPGA or other programmable logic device, discrete gate or transistor logic unit, discrete hardware component, or any combination thereof designed to perform the functions described herein. The general-purpose processor may be a microprocessor, but in alternative embodiments, the processor may be any processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors cooperating with a DSP core, or any other such configuration).
[0227] This document describes any function or operation that can be executed by a processor, which can be executed by multiple processors capable of performing the described function or operation individually or jointly. For example, the functions described herein can be executed by multiple processors, each of which is assigned at least a subset of the described functions, such that the multiple processors jointly execute all the described functions. Thus, the described functions can be executed by a single processor or by a group of processors working together (i.e., jointly) to execute the described functions, wherein any one processor executes at least a subset of the described functions.
[0228] The functionality described herein can be implemented using hardware, software executed by a processor, firmware, or any combination thereof. When implemented using software executed by a processor, the functionality can be stored as one or more instructions or code on a computer-readable medium or transmitted using one or more instructions or code on a computer-readable medium. Other examples and specific implementations are within the scope of this disclosure and the appended claims. For example, due to the nature of software, the functionality described herein can be implemented using software executed by a processor, hardware, firmware, hardwiring, or any combination of these. Features implementing the functionality can also be physically located in various locations, including portions distributed such that the functionality is implemented at different physical locations.
[0229] Computer-readable media includes both non-transitory computer storage media and communication media, encompassing any medium that facilitates the transfer of a computer program from one location to another. Non-transitory storage media can be any available medium accessible by a general-purpose or special-purpose computer. By way of example, and not limitation, non-transitory computer-readable media may include RAM, ROM, electrically erasable programmable ROM (EEPROM), flash memory, compressed optical disc (CD) ROM or other optical disc storage devices, magnetic disk storage devices or other magnetic storage devices, or any other non-transitory medium that can be used to carry or store desired program code components in the form of instructions or data structures, and accessible by a general-purpose or special-purpose computer or a general-purpose or special-purpose processor. Furthermore, any connection is appropriately referred to as computer-readable media. For example, if software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included within the definition of computer-readable media. As used herein, disks and optical discs include CDs, laser discs, optical discs, digital multifunction discs (DVDs), floppy disks, and Blu-ray discs. Disks can reproduce data magnetically, while optical discs can reproduce data optically using lasers. Combinations of the above are also included within the scope of computer-readable media.
[0230] This document describes any function or operation that can be executed by a memory, which can be executed by multiple memories capable of executing the described function or operation individually or jointly. For example, the functions described herein can be executed by multiple memories, each of which is assigned at least a subset of the described functions, such that the multiple memories jointly execute all the described functions. Thus, the described functions can be executed by a single memory or by a group of memories that work together (i.e., jointly) to execute the described functions, wherein any one memory executes at least a subset of the described functions.
[0231] As used herein, the word "or" in a list of items (e.g., a list of items accompanied by phrases such as "at least one of" or "one or more of") in the claims indicates an inclusive list, such that a list of at least one of, for example, A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C). Furthermore, as used herein, the phrase "based on" should not be construed as a reference to a closed set of conditions. For example, an example step described as "based on condition A" could be based on both condition A and condition B without departing from the scope of this disclosure. In other words, as used herein, the phrase "based on" should be interpreted in the same manner as the phrase "at least partially based on".
[0232] As used herein, including in claims, the article “a” preceding a noun is open-ended and is understood to refer to “at least one” or “one or more” of those nouns. Therefore, the terms “a,” “at least one,” “one or more,” and “at least one of one or more” are interchangeable. For example, where a claim enumerates “components” performing one or more functions, each of the individual functions may be performed by a single component or by any combination of multiple components. Therefore, the term “component” having a characteristic or performing a function may refer to “at least one of one or more components” having a particular characteristic or performing a particular function. Subsequent references to a component introduced by the article “a” using the terms “the” or “the” refer to any or all of the one or more components. For example, a component introduced by the article “a” should be understood to mean “one or more components,” and subsequent reference to “the component” in a claim should be understood to be equivalent to reference to “at least one of one or more components.”
[0233] The term "determine" encompasses a variety of actions, and therefore, "determine" can include calculation, computation, processing, derivation, investigation, lookup (such as by searching in a table, database, or other data structure), identification, and similar actions. Furthermore, "determine" can include receiving (e.g., receiving information), accessing (e.g., accessing data stored in memory), etc. Moreover, "determine" can include parsing, obtaining, selecting, choosing, building, and other similar actions.
[0234] In the accompanying drawings, similar components or features may have the same reference numerals. Furthermore, various components of the same type can be distinguished by adding a dash after the reference numeral and a second numeral for differentiation between similar components. If only the first reference numeral is used in the specification, the description can be applied to any of the similar components having the same first reference numeral, regardless of the second or other subsequent reference numerals.
[0235] The description herein, illustrated with reference to the accompanying drawings, describes an example configuration and does not represent all achievable examples or those within the scope of the claims. The term "example" as used herein means "serving as an example, instance, or illustration," not "preferred" or "advantageous over other examples." The detailed description includes specific details used to provide an understanding of the described techniques. However, these techniques can be practiced without these specific details. In some instances, known structures and devices are shown in block diagram form to avoid obscuring the concept of the described examples.
[0236] The description herein is provided to enable those skilled in the art to implement or use this disclosure. Various modifications to this disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the scope of this disclosure. Therefore, this disclosure is not limited to the examples and designs described herein, but should be granted the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An apparatus for performing wireless communication at a wireless device, the apparatus comprising: At least one memory; and At least one processor, coupled to the at least one memory, is configured to: Send a request for latency information, channel quality information, or both, associated with a device having energy harvesting (EH) capabilities; Receive from the EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both the first and second indications; and According to a multi-sine waveform configuration, a multi-sine waveform is transmitted to the EH-capable device via a plurality of EH channels within the channel bandwidth, wherein the multi-sine waveform configuration is at least partially based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both, to indicate the corresponding frequency position of each of the plurality of EH channels within the channel bandwidth.
2. The apparatus of claim 1, wherein the multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of the plurality of EH channels.
3. The apparatus of claim 2, wherein the multi-sine waveform configuration indicates that the one or more EH channel groups are uniformly distributed across the channel bandwidth.
4. The apparatus of claim 2, wherein the number of said one or more EH channel groups is at least partially based on said at least one channel quality measurement.
5. The apparatus of claim 1, wherein the multi-sine wave configuration is at least partially based on the delay parameters for the EH-capable device to indicate a first frequency position of a first subset of the plurality of EH channels and a second frequency position of a second subset of the plurality of EH channels, the first subset of the EH channels comprising a first set of contiguous physical resource blocks of the channel bandwidth, and the second subset of the EH channels comprising a second set of contiguous physical resource blocks of the channel bandwidth.
6. The apparatus of claim 5, wherein the first frequency position corresponds to a first edge of the channel bandwidth, and the second frequency position corresponds to a second edge of the channel bandwidth.
7. The apparatus of claim 5, wherein the first frequency position and the second frequency position are frequency-spaced at least in part based on a frequency interval value corresponding to the at least one channel quality measurement.
8. The apparatus of claim 1, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the EH-capable device to indicate the distribution of the plurality of EH channels across the channel bandwidth, and wherein at least one physical interval resource block separates each pair of EH channels among the plurality of EH channels.
9. The apparatus of claim 1, wherein the multi-sine waveform configuration is at least in part based on the delay parameters for the EH-capable device to indicate that the plurality of EH channels comprise a set of consecutive physical resource blocks of the channel bandwidth.
10. The apparatus of claim 9, wherein the frequency location of the set of consecutive physical resource blocks is at least partially based on the at least one channel quality measurement of the channel bandwidth.
11. The apparatus of claim 1, wherein the delay parameter is based at least in part on the battery capacity of the EH-capable device, the type of the EH-capable device, or both.
12. An apparatus for wireless communication at a device with energy harvesting (EH) capability, the apparatus comprising: At least one memory; and At least one processor, coupled to the at least one memory, is configured to: Receive from the wireless device a request for latency information, channel quality information, or both, associated with the device having EH capability. Sending to the wireless device a first indication of a delay parameter for the device with EH capability, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the device with EH capability, or both the first and second indications; as well as The wireless device receives a multisine waveform via a plurality of EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration is at least in part based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both, to indicate the corresponding frequency position of each of the plurality of EH channels within the channel bandwidth.
13. The apparatus of claim 12, wherein the multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of the plurality of EH channels.
14. The apparatus of claim 13, wherein the multi-sine waveform configuration indicates that the one or more EH channel groups are uniformly distributed across the channel bandwidth.
15. The apparatus of claim 13, wherein the number of said one or more EH channel groups is at least partially based on said at least one channel quality measurement.
16. The apparatus of claim 12, wherein the multi-sine wave configuration is at least partially based on the delay parameters for the EH-capable device to indicate a first frequency position of a first subset of the plurality of EH channels and a second frequency position of a second subset of the plurality of EH channels, the first subset of the EH channels comprising a first set of contiguous physical resource blocks of the channel bandwidth, and the second subset of the EH channels comprising a second set of contiguous physical resource blocks of the channel bandwidth.
17. The apparatus of claim 16, wherein the first frequency position corresponds to a first edge of the channel bandwidth, and the second frequency position corresponds to a second edge of the channel bandwidth.
18. The apparatus of claim 16, wherein the first frequency position and the second frequency position are frequency-spaced at least in part based on a frequency interval value corresponding to the at least one channel quality measurement.
19. The apparatus of claim 12, wherein the multi-sine wave configuration is at least in part based on the delay parameters for the EH-capable device to indicate the distribution of the plurality of EH channels across the channel bandwidth, and wherein at least one physical interval resource block separates each pair of EH channels among the plurality of EH channels.
20. The apparatus of claim 12, wherein the multi-sine waveform configuration is at least in part based on the delay parameters for the EH-capable device to indicate that the plurality of EH channels comprise a set of consecutive physical resource blocks of the channel bandwidth.
21. The apparatus of claim 20, wherein the frequency location of the set of consecutive physical resource blocks is based at least in part on the at least one channel quality measurement.
22. The apparatus of claim 12, wherein the delay parameter is based at least in part on the battery capacity of the EH-capable device, the type of the EH-capable device, or both.
23. A method for conducting wireless communication at a wireless device, the method comprising: Send a request for latency information, channel quality information, or both, associated with a device having energy harvesting (EH) capabilities; Receive from the EH-capable device a first indication of a delay parameter for the EH-capable device, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the EH-capable device, or both the first and second indications; and According to a multi-sine waveform configuration, a multi-sine waveform is transmitted to the EH-capable device via a plurality of EH channels within the channel bandwidth, wherein the multi-sine waveform configuration is at least partially based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both, to indicate the corresponding frequency position of each of the plurality of EH channels within the channel bandwidth.
24. The method of claim 23, wherein the multi-sine waveform configuration indicates one or more EH channel groups, each of the one or more EH channel groups comprising a corresponding subset of the plurality of EH channels.
25. The method of claim 24, wherein the multi-sine waveform configuration indicates that the one or more EH channel groups are uniformly distributed across the channel bandwidth.
26. The method of claim 24, wherein the number of said one or more EH channel groups is at least partially based on said at least one channel quality measurement.
27. The method of claim 23, wherein the multi-sine waveform configuration is at least partially based on the delay parameters for the device having EH capability to indicate a first frequency position of a first subset of the EH channels and a second frequency position of a second subset of the EH channels, the first subset of the EH channels comprising a first set of contiguous physical resource blocks of the channel bandwidth, and the second subset of the EH channels comprising a second set of contiguous physical resource blocks of the channel bandwidth.
28. The method of claim 27, wherein the first frequency position corresponds to a first edge of the channel bandwidth, and the second frequency position corresponds to a second edge of the channel bandwidth.
29. The method of claim 27, wherein the first frequency position and the second frequency position are frequency-spaced at least in part based on a frequency interval value corresponding to the at least one channel quality measurement.
30. A method for wireless communication at a device with energy harvesting (EH) capability, the method comprising: Receive from the wireless device a request for latency information, channel quality information, or both, associated with the device having EH capability. Sending to the wireless device a first indication of a delay parameter for the device with EH capability, a second indication of at least one channel quality measurement associated with the channel bandwidth for communication between the wireless device and the device with EH capability, or both the first and second indications; as well as The wireless device receives a multisine waveform via a plurality of EH channels within the channel bandwidth according to a multisine waveform configuration, wherein the multisine waveform configuration is at least in part based on the delay parameter for the EH-capable device, the at least one channel quality measurement, or both, to indicate the corresponding frequency position of each of the plurality of EH channels within the channel bandwidth.