Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
  • H04W52/02—Power saving arrangements
  • H04W52/0209—Power saving arrangements in terminal devices
  • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
  • H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower where the power saving management affects multiple terminals
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L27/00—Modulated-carrier systems
  • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
  • H04W52/02—Power saving arrangements
  • H04W52/0209—Power saving arrangements in terminal devices
  • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
  • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
  • H04W52/02—Power saving arrangements
  • H04W52/0209—Power saving arrangements in terminal devices
  • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
  • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
  • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal where the received signal is a power saving command
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/0001—Arrangements for dividing the transmission path
  • H04L5/0003—Two-dimensional division
  • H04L5/0005—Time-frequency
  • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
  • Y02D30/00—Reducing energy consumption in communication networks
  • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

• This application relates generally to wireless communication systems, and in particular generating a low-power wake-up signal (WUS) at a network device for different types of wake-up receivers of user equipments.
• WUS low-power wake-up signal
• Wireless mobile communication technology uses various standards and protocols to transmit data between a network device (e.g., a base station, a network access point, or a relay) and a wireless communication device (e.g., a user equipment (UE) ) .
• Wireless communication system standards and protocols can include, for example, 3rd Generation Partnership Project (3GPP) long term evolution (LTE) (e.g., 4G) , 3GPP new radio (NR) (e.g., 5G) , and IEEE 802.11 standard for wireless local area networks (WLAN) (commonly known to industry groups as ) .
• 3GPP 3rd Generation Partnership Project
• LTE long term evolution
• NR 3GPP new radio
• IEEE 802.11 standard for wireless local area networks (WLAN) (commonly known to industry groups as ) .
• RANs radio access networks
• a network device e.g., a base station, a network access point, or a relay
• UE user equipment
• 3GPP RANs can include, for example, global system for mobile communications (GSM) , enhanced data rates for GSM evolution (EDGE) RAN (GERAN) , Universal Terrestrial Radio Access Network (UTRAN) , Evolved Universal Terrestrial Radio Access Network (E-UTRAN) , and/or Next-Generation Radio Access Network (NG-RAN) .
• GSM global system for mobile communications
• EDGE enhanced data rates for GSM evolution
• GERAN enhanced data rates for GSM evolution
• UTRAN Universal Terrestrial Radio Access Network
• E-UTRAN Evolved Universal Terrestrial Radio Access Network
• NG-RAN Next-Generation Radio Access Network
• Each RAN may use one or more radio access technologies (RATs) to perform communication between the network device and the UE.
• RATs radio access technologies
• the GERAN implements GSM and/or EDGE RAT
• the UTRAN implements universal mobile telecommunication system (UMTS) RAT or other 3GPP RAT
• the E-UTRAN implements LTE RAT (sometimes simply referred to as LTE)
• NG-RAN implements NR RAT (sometimes referred to herein as 5G RAT, 5G NR RAT, or simply NR)
• the E-UTRAN may also implement NR RAT.
• NG-RAN may also implement LTE RAT.
• a network device used by a RAN may correspond to that RAN.
• the network device may be an E-UTRAN base station, which is an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Node B (also commonly denoted as evolved Node B, enhanced Node B, eNodeB, or eNB) .
• E-UTRAN Evolved Universal Terrestrial Radio Access Network
• eNodeB enhanced Node B
• eNB evolved Node B
• NG-RAN base station which is a next generation Node B (also sometimes referred to as a gNode B or gNB) .
• a RAN provides its communication services with external entities through its connection to a core network (CN) .
• CN core network
• E-UTRAN may utilize an Evolved Packet Core (EPC)
• EPC Evolved Packet Core
• NG-RAN may utilize a 5G Core Network (5GC) .
• EPC Evolved Packet Core
• 5GC 5G Core Network
• FIG. 1 shows a communication system including multiple user equipments (UE) in communication with a network device.
• UE user equipments
• FIG. 2 shows an example method of generating and transmitting a wake-up signal (WUS) sequence from a network device to a user equipment, in accordance with some embodiments.
• WUS wake-up signal
• FIG. 3 shows an example method corresponding to receiving a WUS sequence at a UE, in accordance with some embodiments.
• FIG. 4 illustrates an example architecture of a wireless communication system, according to embodiments disclosed herein.
• FIG. 5 illustrates a system for performing signaling between a wireless device and a network device, according to embodiments disclosed herein.
• a network device and/or a user equipment (UE) .
• UE user equipment
• the example embodiments may be utilized with any electronic component that may establish a connection to a network and is configured with the hardware, software, and/or firmware to exchange information and data with a network. Therefore, the UE as described herein is used to represent any appropriate electronic device.
• a network device which may be a network access point, a base station, and/or a relay deployed in a terrestrial network (TN) , a satellite, and/or a high-altitude platform system (HAPS) including manned or unmanned aerial vehicles, and so on.
• TN terrestrial network
• HAPS high-altitude platform system
• Various embodiments described herein are related to methods of generating a low-power wake-up signal (WUS) that can be received by various different wake-up receivers of UEs.
• WUS low-power wake-up signal
• various embodiments in the present disclosure provide the UE flexibility to choose a particular type of wake-up signal receiver (or a wake-up receiver (WUR) ) to achieve desired tradeoff between complexity, power consumption, and performance of the WUR.
• a UE including an OOK-based receiver may filter out a WUS signal in the received OFDM signal in N subcarriers.
• a signal is detected within the N subcarriers of the received OFDM symbol (e.g. if the received energy within the N subcarriers is higher than a threshold) , then the UE may consider it as WUS signal and perform an action corresponding to the received WUS, such as waking up the main radio, and so on.
• a UE including a sequence-based receiver may filter out a WUS signal in the received OFDM signal in N subcarriers. In other words, if one or more known sequences are detected upon processing of the received OFDM signal then the UE may consider a WUS is received at the UE and perform an action corresponding to the received WUS, such as waking up the main radio, and so on.
• each UE may have a respective set of known sequences, which set of known sequences may include one or more sequences. Additionally, or alternatively, a subset of UEs may have a respective set of known sequences, and each UE in the subset of UEs may be awaked using the respective set of known sequences.
• the subset of UEs may include one or more UEs having an OOK-based receiver type and/or one or more UEs having a sequence-based receiver type, and each UE of the subset of UEs may detect a WUS signal as described herein and in accordance with its WUR type.
• a network device may transmit one or more sequences being monitored by each UE of the subset of UEs (or one or more sequences corresponding to each UE of the subset UEs) . Additionally, or alternatively, the one or more sequences being monitored by each UE of the subset of UEs (or the one or more sequences corresponding to each UE of the subset UEs) may be simultaneously transmitted to each UE.
• multiple UEs may monitor for a WUS in the same occasion (e.g., the same time and frequency resources) and some UEs of the multiple UEs may be having an OOK-based receiver and some other UEs may be having a sequence-based receiver.
• the UE may consider a WUS being received if any signal transmitted in one or more corresponding subcarriers, even if the WUS received at the UE includes a sequence that is intended for another different UE.
• a UE having a sequence-based receiver may consider a WUS being received if a sequence detected in the WUS is known sequence to the UE or a sequence that is expected by the UE in a WUS.
• UEs with an OOK-based receiver and UEs with a sequence-based received may monitor a WUS in different occasions, for example, different orthogonal time and/or frequency resources.
• a network device may transmit one of the pre-defined WUS sequence or any WUS sequence to a UE of OOK-based receiver type in the corresponding monitoring occasion, and to a UE of a sequence-based received type, a network device may transmit a sequence in a WUS that corresponds to the UE.
• a UE may or may not report a particular receiver type of the UE to a network device. Accordingly, a particular receiver type (e.g., an OOK-based receiver type, or a sequence-based receiver type) of the UE may or may not be known to the network device.
• a particular receiver type e.g., an OOK-based receiver type, or a sequence-based receiver type
• the network device may generate a WUS such that it can be received by the UE regardless of the UE receiver type as a WUS.
• each UE regardless of its receiver type, may have a sequence associated with it, which is commonly known by the UE and the network device. The sequence may be generated using parameters known by both the network device and the UE. The network device may use the corresponding sequence to generate a WUS for the UE, which can be received by the UE regardless of its receiver type as a WUS.
• a network device may disregard a particular receiver type reported by a UE, and the network device may transmit one or more WUS sequences that are assigned or reserved by the network device for the UE or a subset of the UEs.
• a UE including an OOK-based receiver may be waked-up by transmitting any sequence to the UE, and a particular sequence to wake up the UE may not be required.
• a particular sequence to be used for waking-up a UE including an OOK-based receiver may be predefined or reserved by the network device, even though the UE may not be requiring a particular sequence for wake-up of the UE.
• the particular sequence that is predefined or reserved by the network device for the UE including the OOK-based receiver if the UE has reported or not reported its corresponding WUR type to the network device.
• a UE including a sequence-based received may be waked-up by transmitting a particular sequence that is known to the UE to be waked-up.
• the particular sequence that is known to the UE may be generated using parameters known by both the network device and the UE, which parameters may include at least one or more subcarriers a UE identifier (ID) , or an identifier of a WUS sequence generation, and/or a count of bits or sequences (e.g., 2 bits or 4 sequences) for generating the WUS sequence.
• ID UE identifier
• a count of bits or sequences e.g., 2 bits or 4 sequences
• a network device may avoid waking up UEs with an OOK-based receiver while transmitting a WUS including a sequence that is corresponding a UE having a sequence-based.
• the network device may not have a predefined sequence or a reserved sequence for UEs with an OOK-based receiver, and to wake up a UE with an OOK-based receiver, the network device may transmit any sequence that is also associated with a UE having a sequence-based receiver (and causing the UE to wake up unitentionally) .
• the embodiments discussed so far can be extended to the cases where multiple bits are carried in a WUS, instead of a simple on/off signal, by applying the same mechanism to each bit of the multiple bits.
• the count of bits used to generate a WUS sequence may be M number of bits, which corresponds to M number of sequences.
• the M number of sequences may be the same or different sequences.
• a hopping pattern may be defined for the M number of sequences, for example, for interference randomization.
• one or more number of sequence known to the UE may be predefined and known to both the UE and the network device.
• each bit of multiple bits, or each sequence of multiple sequences may be carried by different sets of subcarriers, in which each set of subcarrier may include K subcarriers of an OFDM signal.
• Each bit of multiple bits may be applied to a respective K subcarriers, and a UE and a network device each has a knowledge of which K subcarriers is to use to generate a WUS sequence or carrying a WUS sequence.
• the multiple bits may be mapped to multiple OFDM symbols in time domain, and each bit is applied to N subcarriers in the respective OFDM symbol.
• a bit ‘1’ may be generated by mapping a WUS sequence to multiple samples in time domain. If multiple bits are carried within one OFDM symbol, one or more multiple sequences may be concatenated in time and transformed into a frequency domain for frequency division (or domain) multiplexing with other legacy radio signals and processing through an inverse fast Fourier transform (IFFT) to generate an OFDM signal. Accordingly, the multiple samples in time domain may carry a sequence that is known to a UE including a sequence-based receiver.
• IFFT inverse fast Fourier transform
• FIG. 2 shows an example method of generating and transmitting a wake-up signal (WUS) sequence from a network device to a user equipment, in accordance with some embodiments.
• the network device may identify a particular UE of multiple UEs or a subset of UEs of the multiple UEs to wake-up, for examples, based on an incoming call to the particular UE or a group multi-media messaging to the subset of UEs.
• a WUS sequence corresponding to the identified UE at 202 may be determined by a network device.
• the WUS sequence may be a sequence reserved for an OOK-based receiver type and/or a sequence that is associated with a particular UE of the sequence-based receiver type.
• the network device may transmit a WUS sequence to wake up the particular UE.
• more than one WUS sequence may be required, and accordingly, at 204, more than one WUS sequence may be determined and transmitted to the particular UE at 206 either simultaneously or sequentially.
• FIG. 3 shows an example method corresponding to receiving a WUS sequence at a UE, in accordance with some embodiments.
• a UE may receive, from a network device, a signal in one or more subcarriers of an OFDM signal.
• the OFDM signal may include one or more WUS sequences if the OFDM signal is transmitted to the UE by the network device to wake-up the UE.
• the one or more WUS sequences may be based on a particular WUR type reported by the UE to the network device.
• the UE may determine whether the received OFDM signal includes one or more WUS sequences to wake-up the main radio based on the particular WUR type of the UE, as described herein.
• Embodiments contemplated herein include an apparatus having means to perform one or more elements of the method 200 or 300.
• the apparatus may be, for example, an apparatus of a UE (such as a wireless device 502 that is a UE, as described herein) .
• the apparatus may be, for example, an apparatus of a network device (such as a network device 520 that is a network access point or a base station, as described herein) .
• Embodiments contemplated herein include one or more non-transitory computer-readable media storing instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements of the method 200 or 300.
• the non-transitory computer-readable media may be, for example, a memory of a UE (such as a memory 506 of a wireless device 502 that is a UE, as described herein) .
• the non-transitory computer-readable media may be, for example, a memory of a network device (such as a memory 524 of a network device 520 that is a network access point or a base station, as described herein) .
• Embodiments contemplated herein include an apparatus that has logic, modules, or circuitry to perform one or more elements of the method 200 or 300.
• the apparatus may be, for example, an apparatus of a UE (such as a wireless device 502 that is a UE, as described herein) .
• the apparatus may be, for example, an apparatus of a network device (such as a network device 520 that is a network access point or a base station, as described herein) .
• Embodiments contemplated herein include an apparatus having one or more processors and one or more computer-readable media, using, or storing instructions that, when executed by the one or more processors, cause the one or more processors to perform one or more elements of the method 200 or 300.
• the apparatus may be, for example, an apparatus of a UE (such as a wireless device 502 that is a UE, as described herein) .
• the apparatus may be, for example, an apparatus of a network device (such as a network device 520 that is a network access point or a base station, as described herein) .
• Embodiments contemplated herein include a signal as described in or related to one or more elements of the method 200 or 300.
• Embodiments contemplated herein include a computer program or computer program product that has instructions, wherein execution of the program by a processor causes the processor to carry out one or more elements of the method 200 or 300.
• the processor may be a processor of a UE (such as a processor (s) 504 of a wireless device 502 that is a UE, as described herein)
• the instructions may be, for example, located in the processor and/or on a memory of the UE (such as a memory 506 of a wireless device 502 that is a UE, as described herein) .
• the processor may be a processor of a network device (such as a processor (s) 522 of a network device 520 that is a network access point or a base station, as described herein)
• the instructions may be, for example, located in the processor and/or on a memory of the network device (such as a memory 524 of a network device 520 that is a network access point or a base station, as described herein) .
• FIG. 4 illustrates an example architecture of a wireless communication system 400, according to embodiments disclosed herein.
• the following description is provided for an example wireless communication system 400 that operates in conjunction with the LTE system standards and/or 5G or NR system standards as provided by 3GPP technical specifications.
• the wireless communication system 400 includes UE 402 and UE 404 (although any number of UEs may be used) .
• the UE 402 and the UE 404 are illustrated as smartphones (e.g., handheld touchscreen mobile computing devices connectable to one or more cellular networks) , but may also comprise any mobile or non-mobile computing device configured for wireless communication.
• the UE 402 and UE 404 may be configured to communicatively couple with a RAN 406.
• the RAN 406 may be NG-RAN, E-UTRAN, and so on.
• the UE 402 and UE 404 utilize connections (or channels) (shown as connection 408 and connection 410, respectively) with the RAN 406, each of which comprises a physical communications interface.
• the RAN 406 can include one or more base stations, such as base station 412 and base station 414, that enable the connection 408 and connection 410.
• the RAN 406 may include one or more relays.
• connection 408 and connection 410 are air interfaces to enable such communicative coupling, and may be consistent with RAT (s) used by the RAN 406, such as, for example, an LTE and/or NR.
• the UE 402 and UE 404 may also directly exchange communication data via a sidelink interface 416.
• the UE 404 is shown to be configured to access an access point (shown as AP 418) via connection 420.
• the connection 420 can comprise a local wireless connection, such as a connection consistent with any IEEE 802.11 protocol, wherein the AP 418 may comprise a router.
• the AP 418 may be connected to another network (for example, the Internet) without going through a CN 424.
• the UE 402 and UE 404 can be configured to communicate using orthogonal frequency division multiplexing (OFDM) communication signals with each other or with the base station 412 and/or the base station 414 over a multicarrier communication channel in accordance with various communication techniques, such as, but not limited to, an orthogonal frequency division multiple access (OFDMA) communication technique (e.g., for downlink communications) or a single carrier frequency division multiple access (SC-FDMA) communication technique (e.g., for uplink and ProSe or sidelink communications) , although the scope of the embodiments is not limited in this respect.
• OFDM signals can comprise a plurality of orthogonal subcarriers.
• the base station 412 or base station 414 may be implemented as one or more software entities running on server computers as part of a virtual network.
• the base station 412 or base station 414 may be configured to communicate with one another via interface 422.
• the interface 422 may be an X2 interface.
• the X2 interface may be defined between two or more base stations (e.g., two or more eNBs and the like) that connect to an EPC, and/or between two eNBs connecting to the EPC.
• the interface 422 may be an Xn interface.
• the Xn interface is defined between two or more base stations (e.g., two or more gNBs and the like) that connect to 5GC, between a base station 412 (e.g., a gNB) connecting to 5GC and an eNB, and/or between two eNBs connecting to 5GC (e.g., CN 424) .
• the RAN 406 is shown to be communicatively coupled to the CN 424.
• the CN 424 may comprise one or more network elements 426, which are configured to offer various data and telecommunications services to customers/subscribers (e.g., users of UE 402 and UE 404) who are connected to the CN 424 via the RAN 406.
• the components of the CN 424 may be implemented in one physical device or separate physical devices including components to read and execute instructions from a machine-readable or computer-readable medium (e.g., a non-transitory machine-readable storage medium) .
• the CN 424 may be an EPC, and the RAN 406 may be connected with the CN 424 via an S1 interface 428.
• the S1 interface 428 may be split into two parts, an S1 user plane (S1-U) interface, which carries traffic data between the base station 412 or base station 414 and a serving gateway (S-GW) , and the S1-MME interface, which is a signaling interface between the base station 412 or base station 414 and mobility management entities (MMEs) .
• S1-U S1 user plane
• S-GW serving gateway
• MMEs mobility management entities
• the CN 424 may be a 5GC, and the RAN 406 may be connected with the CN 424 via an NG interface 428.
• the NG interface 428 may be split into two parts, an NG user plane (NG-U) interface, which carries traffic data between the base station 412 or base station 414 and a user plane function (UPF) , and the S1 control plane (NG-C) interface, which is a signaling interface between the base station 412 or base station 414 and access and mobility management functions (AMFs) .
• NG-U NG user plane
• UPF user plane function
• S1 control plane S1 control plane
• an application server 430 may be an element offering applications that use internet protocol (IP) bearer resources with the CN 424 (e.g., packet switched data services) .
• IP internet protocol
• the application server 430 can also be configured to support one or more communication services (e.g., VoIP sessions, group communication sessions, and so on. ) for the UE 402 and UE 404 via the CN 424.
• the application server 430 may communicate with the CN 424 through an IP communications interface 432.
• FIG. 5 illustrates a system 500 for performing signaling 538 between a wireless device 502 and a network device 520, according to embodiments disclosed herein.
• the system 500 may be a portion of a wireless communication system as herein described.
• the wireless device 502 may be, for example, a UE of a wireless communication system.
• the network device 520 may be, for example, a base station (e.g., an eNB or a gNB) , or a relay of a wireless communication system.
• the wireless device 502 may include one or more processor (s) 504.
• the processor (s) 504 may execute instructions such that various operations of the wireless device 502 are performed, as described herein.
• the processor (s) 504 may include one or more baseband processors implemented using, for example, a central processing unit (CPU) , a digital signal processor (DSP) , an application specific integrated circuit (ASIC) , a controller, a field programmable gate array (FPGA) device, another hardware device, a firmware device, or any combination thereof configured to perform the operations described herein.
• CPU central processing unit
• DSP digital signal processor
• ASIC application specific integrated circuit
• FPGA field programmable gate array
• the wireless device 502 may include a memory 506.
• the memory 506 may be a non-transitory computer-readable storage medium that stores instructions 508 (which may include, for example, the instructions being executed by the processor (s) 504) .
• the instructions 508 may also be referred to as program code or a computer program.
• the memory 506 may also store data used by, and results computed by, the processor (s) 504.
• the wireless device 502 may include one or more transceiver (s) 510 that may include radio frequency (RF) transmitter and/or receiver circuitry that use the antenna (s) 512 of the wireless device 502 to facilitate signaling (e.g., the signaling 540) to and/or from the wireless device 502 with other devices (e.g., the network device 520) according to corresponding RATs.
• RF radio frequency
• the wireless device 502 may include one or more antenna (s) 512 (e.g., one, two, four, or more) .
• the wireless device 502 may leverage the spatial diversity of such multiple antenna (s) 512 to send and/or receive multiple different data streams on the same time and frequency resources.
• This behavior may be referred to as, for example, multiple input multiple output (MIMO) behavior (referring to the multiple antennas used at each of a transmitting device and a receiving device that enable this aspect) .
• MIMO multiple input multiple output
• MIMO transmissions by the wireless device 502 may be accomplished according to precoding (or digital beamforming) that is applied at the wireless device 502 that multiplexes the data streams across the antenna (s) 512 according to known or assumed channel characteristics such that each data stream is received with an appropriate signal strength relative to other streams and at a desired location in the spatial domain (e.g., the location of a receiver associated with that data stream) .
• Certain embodiments may use single user MIMO (SU-MIMO) methods (where the data streams are all directed to a single receiver) and/or multiuser MIMO (MU-MIMO) methods (where individual data streams may be directed to individual (different) receivers in various locations in the spatial domain) .
• SU-MIMO single user MIMO
• MU-MIMO multiuser MIMO
• the wireless device 502 may implement analog beamforming techniques, whereby phases of the signals sent by the antenna (s) 512 are relatively adjusted such that the (joint) transmission of the antenna (s) 512 can be directed (this is sometimes referred to as beam steering) .
• the wireless device 502 may include one or more interface (s) 514.
• the interface (s) 514 may be used to provide input to or output from the wireless device 502.
• a wireless device 502 that is a UE may include interface (s) 514 such as microphones, speakers, a touchscreen, buttons, and the like in order to allow for input and/or output to the UE by a user of the UE.
• Other interfaces of such a UE may be made up of transmitters, receivers, and other circuitry (e.g., other than the transceiver (s) 510/antenna (s) 512 already described) that allow for communication between the UE and other devices and may operate according to known protocols (e.g., and the like) .
• the wireless device 502 may include one or more WUS processing module (s) 516.
• the WUS processing module (s) 516 may be implemented via hardware, software, or combinations thereof.
• the WUS processing module (s) 516 may be implemented as a processor, circuit, and/or instructions 508 stored in the memory 506 and executed by the processor (s) 504.
• the WUS processing module (s) 516 may be integrated within the processor (s) 504 and/or the transceiver (s) 510.
• the WUS processing module (s) 516 may be implemented by a combination of software components (e.g., executed by a DSP or a general processor) and hardware components (e.g., logic gates and circuitry) within the processor (s) 504 or the transceiver (s) 510.
• software components e.g., executed by a DSP or a general processor
• hardware components e.g., logic gates and circuitry
• the WUS processing module (s) 516 may be used for various aspects of the present disclosure, for example, aspects of FIGs. 1-3, from a UE perspective.
• the network device 520 may include one or more processor (s) 522.
• the processor (s) 522 may execute instructions such that various operations of the network device 520 are performed, as described herein.
• the processor (s) 504 may include one or more baseband processors implemented using, for example, a CPU, a DSP, an ASIC, a controller, an FPGA device, another hardware device, a firmware device, or any combination thereof configured to perform the operations described herein.
• the network device 520 may include a memory 524.
• the memory 524 may be a non-transitory computer-readable storage medium that stores instructions 526 (which may include, for example, the instructions being executed by the processor (s) 522) .
• the instructions 526 may also be referred to as program code or a computer program.
• the memory 524 may also store data used by, and results computed by, the processor (s) 522.
• the network device 520 may include one or more transceiver (s) 528 that may include RF transmitter and/or receiver circuitry that use the antenna (s) 530 of the network device 520 to facilitate signaling (e.g., the signaling 538) to and/or from the network device 520 with other devices (e.g., the wireless device 502) according to corresponding RATs.
• transceiver (s) 528 may include RF transmitter and/or receiver circuitry that use the antenna (s) 530 of the network device 520 to facilitate signaling (e.g., the signaling 538) to and/or from the network device 520 with other devices (e.g., the wireless device 502) according to corresponding RATs.
• the network device 520 may include one or more antenna (s) 530 (e.g., one, two, four, or more) .
• the network device 520 may perform MIMO, digital beamforming, analog beamforming, beam steering, and so on, as has been described.
• the network device 520 may include one or more interface (s) 532.
• the interface (s) 532 may be used to provide input to or output from the network device 520.
• a network device 520 that is a base station may include interface (s) 532 made up of transmitters, receivers, and other circuitry (e.g., other than the transceiver (s) 528/antenna (s) 530 already described) that enables the base station to communicate with other equipment in a core network, and/or that enables the base station to communicate with external networks, computers, databases, and the like for purposes of operation, administration, and maintenance of the base station or other equipment operably connected thereto.
• circuitry e.g., other than the transceiver (s) 528/antenna (s) 530 already described
• the network device 520 may include one or more WUS processing module (s) 534.
• the WUS processing module (s) ) 534 may be implemented via hardware, software, or combinations thereof.
• the WUS processing module (s) 534 may be implemented as a processor, circuit, and/or instructions 526 stored in the memory 524 and executed by the processor (s) 522.
• the WUS processing module (s) 534 may be integrated within the processor (s) 522 and/or the transceiver (s) 528.
• the WUS processing module (s) 534 may be implemented by a combination of software components (e.g., executed by a DSP or a general processor) and hardware components (e.g., logic gates and circuitry) within the processor (s) 522 or the transceiver (s) 528.
• software components e.g., executed by a DSP or a general processor
• hardware components e.g., logic gates and circuitry
• the WUS processing module (s) 534 may be used for various aspects of the present disclosure, for example, aspects of FIGs. 1-3, from a network device perspective.
• At least one of the components set forth in one or more of the preceding figures may be configured to perform one or more operations, techniques, processes, and/or methods as set forth herein.
• a baseband processor as described herein in connection with one or more of the preceding figures may be configured to operate in accordance with one or more of the examples set forth herein.
• circuitry associated with a UE, base station, network element, and so on. as described above in connection with one or more of the preceding figures may be configured to operate in accordance with one or more of the examples set forth herein.
• personally identifiable information should follow privacy policies and practices that are generally recognized as meeting or exceeding industry or governmental requirements for maintaining the privacy of users.
• personally identifiable information data should be managed and handled so as to minimize risks of unintentional or unauthorized access or use, and the nature of authorized use should be clearly indicated to users.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Mobile Radio Communication Systems (AREA)

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• 2023
  • 2023-04-07 EP EP23931497.4A patent/EP4670418A1/de active Pending
  • 2023-04-07 WO PCT/CN2023/086932 patent/WO2024207436A1/en not_active Ceased
  • 2023-04-07 CN CN202380096683.2A patent/CN121002954A/zh active Pending
  • 2023-04-07 KR KR1020257032687A patent/KR20250161583A/ko active Pending

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