WO2025152102A1 - Signalisation de capacité agrégée pour une agrégation de porteuses et des modes de connectivité double - Google Patents

Signalisation de capacité agrégée pour une agrégation de porteuses et des modes de connectivité double

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Publication number
WO2025152102A1
WO2025152102A1 PCT/CN2024/072971 CN2024072971W WO2025152102A1 WO 2025152102 A1 WO2025152102 A1 WO 2025152102A1 CN 2024072971 W CN2024072971 W CN 2024072971W WO 2025152102 A1 WO2025152102 A1 WO 2025152102A1
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WO
WIPO (PCT)
Prior art keywords
component carriers
capability
network entity
processing capability
aggregated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/072971
Other languages
English (en)
Inventor
Bin Han
Masato Kitazoe
Mona AGRAWAL
Yiqing Cao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to PCT/CN2024/072971 priority Critical patent/WO2025152102A1/fr
Publication of WO2025152102A1 publication Critical patent/WO2025152102A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • 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
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria

Definitions

  • the following relates to wireless communications, including aggregated capability signaling for carrier aggregation and dual connectivity modes.
  • Wireless communications systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems may be capable of supporting communication with multiple users by sharing the available system resources (e.g., time, frequency, and power) .
  • Examples of such multiple-access systems include fourth generation (4G) systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems which may be referred to as New Radio (NR) systems.
  • 4G systems such as Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems
  • 5G systems which may be referred to as New Radio (NR) systems.
  • a method for wireless communications by a UE may include transmitting an aggregated capability message for communications between the UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, receiving scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and communicating, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the UE may include one or more memories storing processor executable code, and one or more processors coupled with the one or more memories.
  • the one or more processors may individually or collectively be operable to execute the code to cause the UE to transmit an aggregated capability message for communications between the UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, receive scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and communicate, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the UE may include means for transmitting an aggregated capability message for communications between the UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, means for receiving scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and means for communicating, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the total processing capability of the UE includes a total baseband processing capability of the UE for the set of multiple component carriers based on one or more transmission parameters.
  • the one or more transmission parameters include, for the set of multiple component carriers, a maximum channel bandwidth for each respective subcarrier spacing (SCS) of a set of SCSs, where the maximum channel bandwidth for each respective SCS may be based on a maximum quantity of multiple input multiple output (MIMO) layers and a maximum modulation order being equal for each respective component carrier of the set of multiple component carriers.
  • SCS subcarrier spacing
  • MIMO multiple input multiple output
  • the total processing capability of the UE includes a total radio frequency processing capability of the UE for the set of multiple component carriers based on a maximum channel bandwidth for each respective SCS of a set of SCSs supported by the UE.
  • the total processing capability of the UE indicates the total baseband processing capability of the UE based on an index having a first value and the total processing capability of the UE indicates the total radio frequency processing capability of the UE based on the index having a second value.
  • the UE transmits the aggregated capability message to indicate the total processing capability of the UE for uplink communications, the total processing capability of the UE for downlink communications, or both.
  • the UE transmits the aggregated capability message of the UE based on carrier aggregation, dual connectivity modes, or both being supported by the UE.
  • the scheduling information indicates a band combination configuration that may be in accordance with the aggregated capability message.
  • a method for wireless communications by a network entity may include obtaining an aggregated capability message for communications between a UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, receiving scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and communicating, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the network entity may include one or more memories storing processor executable code, and one or more processors coupled with the one or more memories.
  • the one or more processors may individually or collectively be operable to execute the code to cause the network entity to obtain an aggregated capability message for communications between a UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, receive scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and communicate, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • a non-transitory computer-readable medium storing code for wireless communications is described.
  • the code may include instructions executable by one or more processors to obtain an aggregated capability message for communications between a UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers, receive scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message, and communicate, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the total processing capability of the UE includes a total baseband processing capability of the UE for the set of multiple component carriers based on one or more transmission parameters.
  • the total processing capability of the UE indicates the total baseband processing capability of the UE based on an index having a first value and the total processing capability of the UE indicates the total radio frequency processing capability of the UE based on the index having a second value.
  • the network entity obtains the aggregated capability message that indicates the total processing capability of the UE for uplink communications, the total processing capability of the UE for downlink communications, or both.
  • the network entity obtains the aggregated capability message of the UE based on carrier aggregation, dual connectivity modes, or both being supported by the UE.
  • FIGs. 1 and 2 shows examples of a wireless communications system that supports aggregated capability signaling for carrier aggregation and dual connectivity modes in accordance with one or more aspects of the present disclosure.
  • FIGs. 7 and 8 show block diagrams of devices that support aggregated capability signaling for carrier aggregation and dual connectivity modes in accordance with one or more aspects of the present disclosure.
  • a UE may transmit an aggregated capability message to indicate a total processing capability of the UE for a set of component carriers. For example, if the UE supports carrier aggregation, dual connectivity modes, or both the UE may transmit an aggregated capability message for the UE to indicate the capability of the UE over one or more component carriers of the set of component carriers rather than per component carrier.
  • the aggregated capability message may indicate a baseband capability of the UE that is based on one or more transmission parameters.
  • the aggregated capability message may indicate a radio frequency processing capability based on the maximum channel bandwidth for each subcarrier spacing (SCS) for the set of component carriers.
  • SCS subcarrier spacing
  • the network entities 105 may be dispersed throughout a geographic area to form the wireless communications system 100 and may include devices in different forms or having different capabilities.
  • a network entity 105 may be referred to as a network element, a mobility element, a radio access network (RAN) node, or network equipment, among other nomenclature.
  • network entities 105 and UEs 115 may wirelessly communicate via communication link (s) 125 (e.g., a radio frequency (RF) access link) .
  • a network entity 105 may support a coverage area 110 (e.g., a geographic coverage area) over which the UEs 115 and the network entity 105 may establish the communication link (s) 125.
  • the coverage area 110 may be an example of a geographic area over which a network entity 105 and a UE 115 may support the communication of signals according to one or more radio access technologies (RATs) .
  • RATs radio access technologies
  • One or more of the network entities 105 or network equipment described herein may include or may be referred to as a base station 140 (e.g., a base transceiver station, a radio base station, an NR base station, an access point, a radio transceiver, a NodeB, an eNodeB (eNB) , a next-generation NodeB or giga-NodeB (either of which may be referred to as a gNB) , a 5G NB, a next-generation eNB (ng-eNB) , a Home NodeB, a Home eNodeB, or other suitable terminology) .
  • a base station 140 e.g., a base transceiver station, a radio base station, an NR base station, an access point, a radio transceiver, a NodeB, an eNodeB (eNB) , a next-generation NodeB or giga-NodeB (either of which may be referred
  • an access network (AN) or RAN may include communications between access nodes (e.g., an IAB donor) , IAB node (s) 104, and one or more UEs 115.
  • the IAB donor may facilitate connection between the core network 130 and the AN (e.g., via a wired or wireless connection to the core network 130) . That is, an IAB donor may refer to a RAN node with a wired or wireless connection to the core network 130.
  • the IAB donor may include one or more of a CU 160, a DU 165, and an RU 170, in which case the CU 160 may communicate with the core network 130 via an interface (e.g., a backhaul link) .
  • the CU 160 of the IAB donor may signal communication link establishment via an F1 interface to IAB node (s) 104, and the IAB node (s) 104 may schedule transmissions (e.g., transmissions to the UEs 115 relayed from the IAB donor) through one or more DUs (e.g., DUs 165) . That is, data may be relayed to and from IAB node (s) 104 via signaling via an NR Uu interface to MT of IAB node (s) 104 (e.g., other IAB node (s) ) . Communications with IAB node (s) 104 may be scheduled by a DU 165 of the IAB donor or of IAB node (s) 104.
  • DUs e.g., DUs 165
  • the UEs 115 described herein may be able to communicate with various types of devices, such as UEs 115 that may sometimes operate as relays, as well as the network entities 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
  • devices such as UEs 115 that may sometimes operate as relays, as well as the network entities 105 and the network equipment including macro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations, among other examples, as shown in FIG. 1.
  • the terms “transmitting, ” “receiving, ” or “communicating, ” when referring to a network entity 105 may refer to any portion of a network entity 105 (e.g., a base station 140, a CU 160, a DU 165, a RU 170) of a RAN communicating with another device (e.g., directly or via one or more other network entities, such as one or more of the network entities 105) .
  • a network entity 105 e.g., a base station 140, a CU 160, a DU 165, a RU 170
  • another device e.g., directly or via one or more other network entities, such as one or more of the network entities 105
  • a carrier may have acquisition signaling or control signaling that coordinates operations for other carriers.
  • a carrier may be associated with a frequency channel (e.g., an evolved universal mobile telecommunication system terrestrial radio access (E-UTRA) absolute RF channel number (EARFCN) ) and may be identified according to a channel raster for discovery by the UEs 115.
  • E-UTRA evolved universal mobile telecommunication system terrestrial radio access
  • a carrier may be operated in a standalone mode, in which case initial acquisition and connection may be conducted by the UEs 115 via the carrier, or the carrier may be operated in a non-standalone mode, in which case a connection is anchored using a different carrier (e.g., of the same or a different RAT) .
  • the quantity of bits carried by each resource element may depend on the modulation scheme (e.g., the order of the modulation scheme, the coding rate of the modulation scheme, or both) , such that a relatively higher quantity of resource elements (e.g., in a transmission duration) and a relatively higher order of a modulation scheme may correspond to a relatively higher rate of communication.
  • a wireless communications resource may refer to a combination of an RF spectrum resource, a time resource, and a spatial resource (e.g., a spatial layer, a beam) , and the use of multiple spatial resources may increase the data rate or data integrity for communications with a UE 115.
  • Time intervals of a communications resource may be organized according to radio frames each having a specified duration (e.g., 10 milliseconds (ms) ) .
  • Each radio frame may be identified by a system frame number (SFN) (e.g., ranging from 0 to 1023) .
  • SFN system frame number
  • Each frame may include multiple consecutively-numbered subframes or slots, and each subframe or slot may have the same duration.
  • a frame may be divided (e.g., in the time domain) into subframes, and each subframe may be further divided into a quantity of slots.
  • each frame may include a variable quantity of slots, and the quantity of slots may depend on SCS.
  • Each slot may include a quantity of symbol periods (e.g., depending on the length of the cyclic prefix prepended to each symbol period) .
  • a slot may further be divided into multiple mini-slots associated with one or more symbols. Excluding the cyclic prefix, each symbol period may be associated with one or more (e.g., N f ) sampling periods. The duration of a symbol period may depend on the SCS or frequency band of operation.
  • the control plane entity may manage non-access stratum (NAS) functions such as mobility, authentication, and bearer management for the UEs 115 served by the network entities 105 (e.g., base stations 140) associated with the core network 130.
  • NAS non-access stratum
  • User IP packets may be transferred through the user plane entity, which may provide IP address allocation as well as other functions.
  • the user plane entity may be connected to IP services 150 for one or more network operators.
  • the IP services 150 may include access to the Internet, Intranet (s) , an IP Multimedia Subsystem (IMS) , or a Packet-Switched Streaming Service.
  • IMS IP Multimedia Subsystem
  • the wireless communications system 100 may operate using one or more frequency bands, which may be in the range of 300 megahertz (MHz) to 300 gigahertz (GHz) .
  • the region from 300 MHz to 3 GHz is known as the ultra-high frequency (UHF) region or decimeter band because the wavelengths range from 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 the waves may penetrate structures sufficiently for a macro cell to provide service to the UEs 115 located indoors. Communications using UHF waves may be associated with smaller antennas and shorter ranges (e.g., less than one hundred kilometers) compared to communications using the smaller frequencies and longer waves of the high frequency (HF) or very high frequency (VHF) portion of the spectrum below 300 MHz.
  • HF high frequency
  • VHF very high frequency
  • EHF transmissions may be subject to even greater attenuation and shorter range than SHF or UHF transmissions.
  • the techniques disclosed herein may be employed across transmissions that use one or more different frequency regions, and designated use of bands across these frequency regions may differ by country or regulating body.
  • a network entity 105 may include an antenna array with a set of rows and columns of antenna ports that the network entity 105 may use to support beamforming of communications with a UE 115.
  • a UE 115 may include one or more antenna arrays that may support various MIMO or beamforming operations.
  • an antenna panel may support RF beamforming for a signal transmitted via an antenna port.
  • the wireless communications system 100 may be a packet-based network that operates according to a layered protocol stack.
  • communications at the bearer or PDCP layer may be IP-based.
  • An RLC layer may perform packet segmentation and reassembly to communicate via logical channels.
  • a MAC layer may perform priority handling and multiplexing of logical channels into transport channels.
  • the MAC layer also may implement error detection techniques, error correction techniques, or both to support retransmissions to improve link efficiency.
  • an RRC layer may provide establishment, configuration, and maintenance of an RRC connection between a UE 115 and a network entity 105 or a core network 130 supporting radio bearers for user plane data.
  • a PHY layer may map transport channels to physical channels.
  • the UEs 115 and the network entities 105 may support retransmissions of data to increase the likelihood that data is received successfully.
  • Hybrid automatic repeat request (HARQ) feedback is one technique for increasing the likelihood that data is received correctly via a communication link (e.g., the communication link (s) 125, a D2D communication link 135) .
  • HARQ may include a combination of error detection (e.g., using a cyclic redundancy check (CRC) ) , forward error correction (FEC) , and retransmission (e.g., automatic repeat request (ARQ) ) .
  • FEC forward error correction
  • ARQ automatic repeat request
  • HARQ may improve throughput at the MAC layer in relatively poor radio conditions (e.g., low signal-to-noise conditions) .
  • a UE 115 may transmit an aggregated capability message to indicate a total processing capability of the UE 115 for a set of component carriers. For example, if the UE 115 supports carrier aggregation, dual connectivity modes, or both the UE 115 may transmit an aggregated capability message for the UE 115 to indicate the capability of the UE 115 with respect to multiple component carriers of the set of component carriers rather than per component carrier.
  • the aggregated capability message may indicate a baseband capability of the UE 115 that is based on one or more transmission parameters.
  • the aggregated capability message may indicate a radio frequency processing capability based on the maximum channel bandwidth for each SCS for the set of component carriers.
  • the UE 115-a may support carrier aggregation and communicate with the network entity 105-a via a set of component carriers. In some other examples, the UE 115-a may support dual connectivity modes to communicate with the network entity 105-a over two connections (e.g., an LTE and an NR connection) . When supporting carrier aggregation, the UE 115-a may transmit one or more capability messages to indicate a downlink feature set per component carrier (e.g., FeatureSetDownlinkPerCC) to indicate one or more transmission parameters for the respective component carriers of a set of component carriers.
  • a downlink feature set per component carrier e.g., FeatureSetDownlinkPerCC
  • the one or more transmission parameters may indicate a supported SCS per component carrier (e.g., supportedSubcarrierSpacingDL) , a maximum channel bandwidth per component carrier (e.g., supportedBandwidthDL) , a maximum quantity of MIMO layers per component carrier (e.g., maxNumberMIMO-LayersPDSCH) , a maximum modulation order supported per component carrier (e.g., supportedModulationOrderDL) , or any combination thereof.
  • a supported SCS per component carrier e.g., supportedSubcarrierSpacingDL
  • a maximum channel bandwidth per component carrier e.g., supportedBandwidthDL
  • a maximum quantity of MIMO layers per component carrier e.g., maxNumberMIMO-LayersPDSCH
  • a maximum modulation order supported per component carrier e.g., supportedModulationOrderDL
  • the UE 115-a may indicate multiple supported combinations of feature sets in a feature set combination to cover each possible channel bandwidth aggregation that is below the maximum limit of channel bandwidth supported by the UE 115-a. While such signaling may be relatively simple, there may be an increase in signaling overhead. For example, to indicate the multiple supported bandwidth combinations of feature sets, the UE 115-a may transmit multiple capability messages (e.g., a capability message per component carrier) resulting in an increase in signaling overhead. Further, due to an increase in signaling, the network entity 105-amay refrain from determining scheduling information for the UE 115-a until the network entity 105-a receives each capability message, thus resulting in the increase in latency within the wireless communications system 200.
  • capability messages e.g., a capability message per component carrier
  • the UE 115-a may transmit the aggregated capability message 215 to indicate the total processing capability 220 of the UE 115-a over the set of component carriers used for the communications between the UE 115-a and the network entity 105-a. Additionally, or alternatively, the UE 115-a may use a dual connectivity mode and the UE 115-a can transmit the aggregated capability message 215 to indicate an aggregate of capabilities both connections associated with the dual connectivity mode (e.g., both an LTE connection and a 5G NR connection) .
  • the dual connectivity mode e.g., both an LTE connection and a 5G NR connection
  • the one or more transmission parameters may include a maximum channel bandwidth for each respective component carrier of the set of component carriers (e.g., BWi is the maximum channel bandwidth for the ith component carrier)
  • the one or more transmission parameters may also include an SCS for each respective component carrier of the set of component carriers (e.g., ⁇ i is the numerology for the ith component carrier, where 0, 1, and 2 correspond to 15 kHz, 30 kHz, and 60 kHz respectively for frequency range 1 (FR1) ) .
  • the one or more transmission parameters may include a maximum quantity of MIMO layers (e.g., downlink or uplink MIMO layers) for each respective component carrier of the set of component carriers (e.g., is the maximum quantity of MIMO layers for the ith component carrier) .
  • the UE 115-a may calculate the total processing capability 220 of the UE 115-a for the aggregated capability message 215 using the index, Z, for both the frequency bands associated with TDD and FDD. In some cases, the UE 115-a may calculate the total processing capability 220 of the UE 115-a for the aggregated capability message 215 using the index, Z, separately for the frequency bands associated with TDD as shown by Equation 6 below and the frequency bands associated with FDD as shown by Equation 7 below.
  • the UE 115-a may use Equation 6 and Equation 7 to dynamically indicate the total baseband processing capability 225 or the total radio frequency processing capability 230 via the aggregated capability message 215 where the UE 115-a may report either a first value (e.g., 1) or a second value (e.g., 2) for the index, Z.
  • a first value e.g., 1
  • a second value e.g., 2
  • the UE 115-a may transmit a first aggregated capability message 215 to indicate the uplink communication capabilities of the UE 115-a and a second aggregated capability message 215, that is different from the first aggregated capability message 215, to indicate the downlink communication capabilities of the UE 115-a.
  • the UE 115-a may transmit the aggregated capability message 215 to indicate both the uplink and the downlink communication capabilities of the UE 115-a.
  • the UE 115-a may be capable of communicating with the network entity 105-a via the uplink communication link 205 and the downlink communication link 210 relatively more efficiently. Therefore, the techniques of the present disclosure may enable the UE 115-a to reduce the signaling overhead of indicating the capabilities of the UE 115-a for communications between the UE 115-a and the network entity 105-a via the set of one or more component carriers, resulting in an increase in efficiency and reliability and a decrease in latency within the wireless communications system 200. Further descriptions of the techniques of the present disclosure may be described elsewhere herein, such as with reference to FIG. 3.
  • FIG. 3 shows an example of a process flow 300 that supports aggregated capability signaling for carrier aggregation and dual connectivity modes in accordance with one or more aspects of the present disclosure.
  • the process flow 300 may implement or be implemented by the wireless communications system 100, the wireless communications system 200, or both.
  • the process flow 300 may include a UE 115-b and a network entity 105-b, which may be examples of devices described herein with reference to FIG. 1.
  • the total processing capability of the UE 115-b may include a total radio frequency processing capability of the UE 115-b for the set of component carriers based on a maximum channel bandwidth for each respective SCS of a set of SCSs that the UE 115-b is capable of supporting. Further, in some cases the total processing capability of the UE 115-b for the set of component carriers may include a first capability that is applicable to one or more frequency bands associated with TDD and a second capability applicable to one or more frequency bands associated with FDD. In some other cases, the total processing capability of the UE 115-b may include a single capability that is applicable to both TDD bands and FDD bands.
  • the scheduling information indicates a band combination configuration that is in accordance with the aggregated capability message.
  • the device 605 may include components for bi-directional voice and data communications including components for transmitting and receiving communications, such as a communications manager 620, an input/output (I/O) controller, such as an I/O controller 610, a transceiver 615, one or more antennas 625, at least one memory 630, code 635, and at least one processor 640. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more buses (e.g., a bus 645) .
  • buses e.g., a bus 645
  • the I/O controller 610 may manage input and output signals for the device 605.
  • the I/O controller 610 may also manage peripherals not integrated into the device 605.
  • the I/O controller 610 may represent a physical connection or port to an external peripheral.
  • the I/O controller 610 may utilize an operating system such as or another known operating system.
  • the I/O controller 610 may represent or interact with a modem, a keyboard, a mouse, a touchscreen, or a similar device.
  • the I/O controller 610 may be implemented as part of one or more processors, such as the at least one processor 640.
  • a user may interact with the device 605 via the I/O controller 610 or via hardware components controlled by the I/O controller 610.
  • the transceiver 615 may be an example of a transmitter 415, a transmitter 515, a receiver 410, a receiver 510, or any combination thereof or component thereof, as described herein.
  • the at least one memory 630 may include random access memory (RAM) and read-only memory (ROM) .
  • the at least one memory 630 may store computer-readable, computer-executable, or processor-executable code, such as the code 635.
  • the code 635 may include instructions that, when executed by the at least one processor 640, cause the device 605 to perform various functions described herein.
  • the code 635 may be stored in a non-transitory computer-readable medium such as system memory or another type of memory.
  • the code 635 may not be directly executable by the at least one processor 640 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
  • the at least one memory 630 may include, among other things, a basic I/O system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.
  • BIOS basic I/O system
  • the at least one processor 640 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
  • the at least one processor 640 may be configured to operate a memory array using a memory controller.
  • a memory controller may be integrated into the at least one processor 640.
  • the at least one processor 640 may be a component of a processing system, which may refer to a system (such as a series) of machines, circuitry (including, for example, one or both of processor circuitry (which may include the at least one processor 640) and memory circuitry (which may include the at least one memory 630) ) , or components, that receives or obtains inputs and processes the inputs to produce, generate, or obtain a set of outputs.
  • the processing system may be configured to perform one or more of the functions described herein.
  • the at least one processor 640 or a processing system including the at least one processor 640 may be configured to, configurable to, or operable to cause the device 605 to perform one or more of the functions described herein.
  • being “configured to, ” being “configurable to, ” and being “operable to” may be used interchangeably and may be associated with a capability, when executing code 635 (e.g., processor-executable code) stored in the at least one memory 630 or otherwise, to perform one or more of the functions described herein.
  • code 635 e.g., processor-executable code
  • the communications manager 620 may support wireless communications in accordance with examples as disclosed herein.
  • the communications manager 620 is capable of, configured to, or operable to support a means for transmitting an aggregated capability message for communications between the UE and a network entity via a set of multiple component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers.
  • the communications manager 620 is capable of, configured to, or operable to support a means for receiving scheduling information for the communications between the UE and the network entity via one or more component carriers of the set of multiple component carriers, the scheduling information being in accordance with the aggregated capability message.
  • the communications manager 620 is capable of, configured to, or operable to support a means for communicating, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the communications manager 620 may be configured to perform various operations (e.g., receiving, monitoring, transmitting) using or otherwise in cooperation with the transceiver 615, the one or more antennas 625, or any combination thereof.
  • the communications manager 620 is illustrated as a separate component, in some examples, one or more functions described with reference to the communications manager 620 may be supported by or performed by the at least one processor 640, the at least one memory 630, the code 635, or any combination thereof.
  • FIG. 7 shows a block diagram 700 of a device 705 that supports aggregated capability signaling for carrier aggregation and dual connectivity modes in accordance with one or more aspects of the present disclosure.
  • the device 705 may be an example of aspects of a network entity 105 as described herein.
  • the device 705 may include a receiver 710, a transmitter 715, and a communications manager 720.
  • the device 705, or one or more components of the device 705 may include at least one processor, which may be coupled with at least one memory, to, individually or collectively, support or enable the described techniques. Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the communications manager 720, the receiver 710, the transmitter 715, or various combinations or components thereof may be examples of means for performing various aspects of aggregated capability signaling for carrier aggregation and dual connectivity modes as described herein.
  • the communications manager 720, the receiver 710, the transmitter 715, or various combinations or components thereof may be capable of performing one or more of the functions described herein.
  • the communications manager 720, the receiver 710, the transmitter 715, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) .
  • the hardware may include at least one of a processor, a DSP, a CPU, an ASIC, an FPGA or other programmable logic device, a microcontroller, discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting, individually or collectively, a means for performing the functions described in the present disclosure.
  • at least one processor and at least one memory coupled with the at least one processor may be configured to perform one or more of the functions described herein (e.g., by one or more processors, individually or collectively, executing instructions stored in the at least one memory) .
  • the device 705 may support techniques for a UE to transmit an aggregated capability message to support reduced processing, reduced power consumption, reduced signaling overhead, reduced latency, and a more efficient utilization of communication resources.
  • FIG. 8 shows a block diagram 800 of a device 805 that supports aggregated capability signaling for carrier aggregation and dual connectivity modes in accordance with one or more aspects of the present disclosure.
  • the device 805 may be an example of aspects of a device 705 or a network entity 105 as described herein.
  • the device 805 may include a receiver 810, a transmitter 815, and a communications manager 820.
  • the device 805, or one or more components of the device 805 e.g., the receiver 810, the transmitter 815, the communications manager 820
  • Each of these components may be in communication with one another (e.g., via one or more buses) .
  • the network entity obtains the aggregated capability message that indicates the total processing capability of the UE for uplink communications, the total processing capability of the UE for downlink communications, or both.
  • the network entity obtains the aggregated capability message of the UE based on carrier aggregation, dual connectivity modes, or both being supported by the UE.
  • intra-band carrier aggregation In some examples, intra-band carrier aggregation, inter-band carrier aggregation, a dual connectivity mode, or any combination thereof.
  • the transceiver 910 may support bi-directional communications via wired links, wireless links, or both as described herein.
  • the transceiver 910 may include a wired transceiver and may communicate bi-directionally with another wired transceiver. Additionally, or alternatively, in some examples, the transceiver 910 may include a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
  • the device 905 may include one or more antennas 915, which may be capable of transmitting or receiving wireless transmissions (e.g., concurrently) .
  • the transceiver 910 may include or be configured for coupling with one or more processors or one or more memory components that are operable to perform or support operations based on received or obtained information or signals, or to generate information or other signals for transmission or other outputting, or any combination thereof.
  • the transceiver 910, or the transceiver 910 and the one or more antennas 915, or the transceiver 910 and the one or more antennas 915 and one or more processors or one or more memory components e.g., the at least one processor 935, the at least one memory 925, or both
  • the at least one processor 935 the at least one memory 925, or both
  • the transceiver 910 may include or be configured for coupling with one or more processors or one or more memory components that are operable to perform or support operations based on received or obtained information or signals, or to generate information or other signals for transmission or other outputting, or any combination thereof.
  • the transceiver 910 may be operable to support communications via one or more communications links (e.g., a communication link 125, a backhaul communication link 120, a midhaul communication link 162, a fronthaul communication link 168) .
  • a communications link 125 e.g., a communication link 125, a backhaul communication link 120, a midhaul communication link 162, a fronthaul communication link 168 .
  • the at least one processor 935 may include multiple processors and the at least one memory 925 may include multiple memories.
  • One or more of the multiple processors may be coupled with one or more of the multiple memories which may, individually or collectively, be configured to perform various functions herein (for example, as part of a processing system) .
  • the at least one processor 935 may be configured to execute computer-readable instructions stored in a memory (e.g., one or more of the at least one memory 925) to cause the device 905 to perform various functions (e.g., functions or tasks supporting aggregated capability signaling for carrier aggregation and dual connectivity modes) .
  • a memory e.g., one or more of the at least one memory 925
  • functions e.g., functions or tasks supporting aggregated capability signaling for carrier aggregation and dual connectivity modes
  • the device 905 or a component of the device 905 may include at least one processor 935 and at least one memory 925 coupled with one or more of the at least one processor 935, the at least one processor 935 and the at least one memory 925 configured to perform various functions described herein.
  • the at least one processor 935 may be an example of a cloud-computing platform (e.g., one or more physical nodes and supporting software such as operating systems, virtual machines, or container instances) that may host the functions (e.g., by executing code 930) to perform the functions of the device 905.
  • the at least one processor 935 may be any one or more suitable processors capable of executing scripts or instructions of one or more software programs stored in the device 905 (such as within one or more of the at least one memory 925) .
  • the at least one processor 935 may include multiple processors and the at least one memory 925 may include multiple memories.
  • the at least one processor 935 may be a component of a processing system, which may refer to a system (such as a series) of machines, circuitry (including, for example, one or both of processor circuitry (which may include the at least one processor 935) and memory circuitry (which may include the at least one memory 925) ) , or components, that receives or obtains inputs and processes the inputs to produce, generate, or obtain a set of outputs.
  • the processing system may be configured to perform one or more of the functions described herein.
  • a bus 940 may support communications of (e.g., within) a protocol layer of a protocol stack.
  • a bus 940 may support communications associated with a logical channel of a protocol stack (e.g., between protocol layers of a protocol stack) , which may include communications performed within a component of the device 905, or between different components of the device 905 that may be co-located or located in different locations (e.g., where the device 905 may refer to a system in which one or more of the communications manager 920, the transceiver 910, the at least one memory 925, the code 930, and the at least one processor 935 may be located in one of the different components or divided between different components) .
  • the communications manager 920 may manage aspects of communications with a core network 130 (e.g., via one or more wired or wireless backhaul links) .
  • the communications manager 920 may manage the transfer of data communications for client devices, such as one or more UEs 115.
  • the communications manager 920 may manage communications with other network entities 105, and may include a controller or scheduler for controlling communications with UEs 115 in cooperation with other network entities 105.
  • the communications manager 920 may support an X2 interface within an LTE/LTE-A wireless communications network technology to provide communication between network entities 105.
  • the device 905 may support techniques for a UE to transmit an aggregated capability message to support improved communication reliability, reduced latency, reduced signaling overhead, improved user experience related to reduced processing, reduced power consumption, more efficient utilization of communication resources, improved coordination between devices, and improved utilization of processing capability.
  • the communications manager 920 may be configured to perform various operations (e.g., receiving, obtaining, monitoring, outputting, transmitting) using or otherwise in cooperation with the transceiver 910, the one or more antennas 915 (e.g., where applicable) , or any combination thereof.
  • the code 930 may include instructions executable by one or more of the at least one processor 935 to cause the device 905 to perform various aspects of aggregated capability signaling for carrier aggregation and dual connectivity modes as described herein, or the at least one processor 935 and the at least one memory 925 may be otherwise configured to, individually or collectively, perform or support such operations.
  • the method may include transmitting an aggregated capability message for communications between the UE and a network entity via a plurality of component carriers, the aggregated capability message indicating a total processing capability of the UE for the set of multiple component carriers.
  • the operations of block 1005 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1005 may be performed by an aggregated capability message component 525 as described with reference to FIG. 5.
  • the method may include receiving scheduling information for the communications between the UE and the network entity via one or more component carriers of the plurality of component carriers, the scheduling information being in accordance with the aggregated capability message.
  • the operations of block 1010 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1010 may be performed by a scheduling information component 530 as described with reference to FIG. 5.
  • the method may include communicating, with the network entity, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the operations of block 1015 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1015 may be performed by a component carrier communication component 535 as described with reference to FIG. 5.
  • the method may include outputting scheduling information for the communications between the UE and the network entity via one or more component carriers of the plurality of component carriers, the scheduling information being in accordance with the aggregated capability message.
  • the operations of block 1110 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1110 may be performed by a scheduling information manager 830 as described with reference to FIG. 8.
  • the method may include communicating, with the UE, via the one or more component carriers in accordance with the scheduling information received from the network entity.
  • the operations of block 1115 may be performed in accordance with examples as disclosed herein. In some examples, aspects of the operations of 1115 may be performed by a component carrier communication manager 835 as described with reference to FIG. 8.
  • Aspect 2 The method of aspect 1, wherein the total processing capability of the UE comprises a total baseband processing capability of the UE for the plurality of component carriers based at least in part on one or more transmission parameters.
  • Aspect 3 The method of aspect 2, wherein the one or more transmission parameters include one or more of a maximum channel bandwidth for each respective component carrier of the plurality of component carriers, a SCS for each respective component carrier of the plurality of component carriers, a maximum quantity of downlink multiple input multiple output layers for each respective component carrier of the plurality of component carriers, a modulation order for each respective component carrier of the plurality of component carriers, or any combination thereof.
  • Aspect 4 The method of any of aspects 2 through 3, wherein the one or more transmission parameters include, for the plurality of component carriers, a maximum channel bandwidth for each respective SCS of a set of SCSs, wherein the maximum channel bandwidth for each respective SCS is based at least in part on a maximum quantity of MIMO layers and a maximum modulation order being equal for each respective component carrier of the plurality of component carriers.
  • Aspect 5 The method of any of aspects 1 through 4, wherein the total processing capability of the UE comprises a total radio frequency processing capability of the UE for the plurality of component carriers based at least in part on a maximum channel bandwidth for each respective SCS of a set of SCSs supported by the UE.
  • Aspect 6 The method of any of aspects 1 through 5, wherein the total processing capability of the UE for the plurality of component carriers includes a first capability and a second capability, the first capability applicable to one or more frequency bands associated with time domain duplexing, the second capability applicable to one or more frequency bands associated with frequency domain duplexing.
  • Aspect 7 The method of any of aspects 1 through 6, wherein the total processing capability of the UE includes a single capability applicable to both time domain duplex bands and frequency domain duplex bands.
  • Aspect 8 The method of any of aspects 1 through 7, wherein the total processing capability of the UE includes one or more of: an indication of a total baseband processing capability of the UE for the plurality of component carriers, an indication of a total radio frequency processing capability of the UE for the plurality of component carriers, or a combination thereof.
  • Aspect 9 The method of aspect 8, wherein the total processing capability of the UE indicates the total baseband processing capability of the UE based at least in part on an index having a first value and the total processing capability of the UE indicates the total radio frequency processing capability of the UE based at least in part on the index having a second value.
  • Aspect 10 The method of any of aspects 1 through 9, wherein the UE transmits the aggregated capability message to indicate the total processing capability of the UE for uplink communications, the total processing capability of the UE for downlink communications, or both.
  • Aspect 11 The method of any of aspects 1 through 10, wherein the UE transmits the aggregated capability message of the UE based at least in part on carrier aggregation, dual connectivity modes, or both being supported by the UE.
  • Aspect 12 The method of any of aspects 1 through 11, wherein the aggregated capability message is applicable to one or more of intra-band carrier aggregation, inter-band carrier aggregation, a dual connectivity mode, or any combination thereof.
  • Aspect 13 The method of any of aspects 1 through 12, wherein the scheduling information indicates a band combination configuration that is in accordance with the aggregated capability message.
  • Aspect 19 The method of any of aspects 14 through 18, wherein the total processing capability of the UE for the plurality of component carriers includes a first capability and a second capability, the first capability applicable to one or more frequency bands associated with time domain duplexing, the second capability applicable to one or more frequency bands associated with frequency domain duplexing.
  • Aspect 20 The method of any of aspects 14 through 19, wherein the total processing capability of the UE includes a single capability applicable to both time domain duplex bands and frequency domain duplex bands.
  • Aspect 21 The method of any of aspects 14 through 20, wherein the total processing capability of the UE includes one or more of: an indication of a total baseband processing capability of the UE for the plurality of component carriers, an indication of a total radio frequency processing capability of the UE for the plurality of component carriers, or a combination thereof.
  • Aspect 22 The method of aspect 21, wherein the total processing capability of the UE indicates the total baseband processing capability of the UE based at least in part on an index having a first value and the total processing capability of the UE indicates the total radio frequency processing capability of the UE based at least in part on the index having a second value.
  • Aspect 24 The method of any of aspects 14 through 23, wherein the network entity obtains the aggregated capability message of the UE based at least in part on carrier aggregation, dual connectivity modes, or both being supported by the UE.
  • Aspect 26 The method of any of aspects 14 through 25, wherein the scheduling information indicates a band combination configuration that is in accordance with the aggregated capability message.
  • a UE for wireless communications comprising at least one means for performing a method of any of aspects 1 through 13.
  • Aspect 29 A non-transitory computer-readable medium storing code for wireless communications, the code comprising instructions executable by one or more processors to perform a method of any of aspects 1 through 13.
  • Aspect 32 A non-transitory computer-readable medium storing code for wireless communications, the code comprising instructions executable by one or more processors to perform a method of any of aspects 14 through 26.
  • LTE, LTE-A, LTE-A Pro, or NR may be described for purposes of example, and LTE, LTE-A, LTE-A Pro, or NR terminology may be used in much of the description, the techniques described herein are applicable beyond LTE, LTE-A, LTE-A Pro, or NR networks.
  • the described techniques may be applicable to various other wireless communications systems such as Ultra Mobile Broadband (UMB) , Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20, Flash-OFDM, as well as other systems and radio technologies not explicitly mentioned herein.
  • UMB Ultra Mobile Broadband
  • IEEE Institute of Electrical and Electronics Engineers
  • Wi-Fi Institute of Electrical and Electronics Engineers
  • WiMAX IEEE 802.16
  • IEEE 802.20 Flash-OFDM
  • Information and signals described herein may be represented using any of a variety of different technologies and techniques.
  • data, instructions, commands, information, signals, bits, symbols, and chips that may be referenced throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.
  • a general-purpose processor may be a microprocessor but, in the alternative, the processor may be any processor, controller, microcontroller, or state machine.
  • a 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 in conjunction with a DSP core, or any other such configuration) . Any functions or operations described herein as being capable of being performed by a processor may be performed by multiple processors that, individually or collectively, are capable of performing the described functions or operations.
  • the functions described herein may be implemented using hardware, software executed by a processor, firmware, or any combination thereof. If implemented using software executed by a processor, the functions may be stored as or transmitted using one or more instructions or code of a computer-readable medium. Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software, functions described herein may be implemented using software executed by a processor, hardware, firmware, hardwiring, or combinations of any of these. Features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations.
  • a component introduced with the article “a” using the terms “the” or “said” may refer to any or all of the one or more components.
  • a component introduced with the article “a” may be understood to mean “one or more components, ” and referring to “the component” subsequently in the claims may be understood to be equivalent to referring to “at least one of the one or more components.
  • subsequent reference to a component introduced as “one or more components” using the terms “the” or “said” may refer to any or all of the one or more components.
  • referring to “the one or more components” subsequently in the claims may be understood to be equivalent to referring to “at least one of the one or more components. ”

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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne des procédés, des systèmes et des dispositifs pour des communications sans fil. Un équipement utilisateur (UE) peut transmettre un message de capacité agrégée pour des communications entre l'UE et une entité de réseau par le biais d'un ensemble de porteuses composantes. En outre, le message de capacité agrégée peut indiquer une capacité de traitement totale de l'UE pour l'ensemble de porteuses composantes. De plus, l'UE peut recevoir des informations de planification selon le message de capacité agrégée pour les communications entre l'UE et l'entité de réseau par le biais d'une ou de plusieurs porteuses composantes de l'ensemble de porteuses composantes. Ainsi, l'UE peut communiquer avec l'entité de réseau par le biais de la ou des porteuses composantes selon les informations de planification reçues de l'entité de réseau.
PCT/CN2024/072971 2024-01-18 2024-01-18 Signalisation de capacité agrégée pour une agrégation de porteuses et des modes de connectivité double Pending WO2025152102A1 (fr)

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US20180219652A1 (en) * 2015-07-22 2018-08-02 Telefonaktiebolaget Lm Ericsson (Publ) Separate Reporting of RF and BB Capabilities of a Mobile User Equipment in a Wireless Communications System Supporting Carrier Aggregation
CN109587679A (zh) * 2017-09-28 2019-04-05 华为技术有限公司 信息传输的方法、终端设备和网络设备
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