WO2024031534A1 - Procédés et appareils destinés à une sous-bande de transmission en liaison montante dans un système de duplex intégral - Google Patents

Procédés et appareils destinés à une sous-bande de transmission en liaison montante dans un système de duplex intégral Download PDF

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Publication number
WO2024031534A1
WO2024031534A1 PCT/CN2022/111759 CN2022111759W WO2024031534A1 WO 2024031534 A1 WO2024031534 A1 WO 2024031534A1 CN 2022111759 W CN2022111759 W CN 2022111759W WO 2024031534 A1 WO2024031534 A1 WO 2024031534A1
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WIPO (PCT)
Prior art keywords
bwp
subband
physical resources
transmission
resources
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PCT/CN2022/111759
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English (en)
Inventor
Yuantao Zhang
Ruixiang MA
Hongmei Liu
Zhi YAN
Haiming Wang
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Lenovo (Beijing) Limited
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Priority to PCT/CN2022/111759 priority Critical patent/WO2024031534A1/fr
Publication of WO2024031534A1 publication Critical patent/WO2024031534A1/fr

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    • 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), DMT
    • 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), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), 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—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • Embodiments of the present disclosure generally relate to wireless communication technology, and more particularly to methods and apparatuses for uplink (UL) subband in a full duplex (FD) system.
  • UL uplink
  • FD full duplex
  • Wireless communication systems are widely deployed to provide various telecommunication services, such as telephony, video, data, messaging, broadcasts, and so on.
  • Wireless communication systems may employ multiple access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., time, frequency, and power) .
  • Examples of wireless communication systems may 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 also 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 also be referred to as new radio (NR) systems.
  • duplex may mean bidirectional communications between two devices, in which "full duplex” means that a transmission over a link in each direction takes place at the same time and "half duplex” means that a transmission over a link in each direction takes place at mutual exclusive time. Details regarding UL subband in a full duplex system need to be studied.
  • the UE may include: a transceiver configured to receive configuration information which configures a first set of physical resources for a UL subband; and a processor coupled to the transceiver and configured to determine a second set of physical resources in the UL subband for a UL transmission based on the configuration information.
  • the first set of physical resources is configured in a downlink (DL) bandwidth part (BWP) .
  • DL downlink
  • BWP bandwidth part
  • the processor is further configured to scale the first set of physical resources based on a subcarrier spacing (SCS) of the DL BWP and an SCS of a UL BWP.
  • SCS subcarrier spacing
  • the first set of physical resources is configured in a network carrier and an SCS for the UL subband is configured or pre-configured for the UE or predefined.
  • the processor is further configured to scale the first set of physical resources based on the SCS for the UL subband and an SCS of a UL BWP.
  • the transceiver is further configured to receive downlink control information (DCI) including an indication indicating a third set of resources in the UL BWP for the UL transmission, and wherein determining the second set of physical resources in the UL subband for UL transmission includes: determining the second set of physical resources in the UL subband based on the third set of resources.
  • DCI downlink control information
  • the third set of resources and the second set of physical resources have the same absolute positions in a frequency domain or have different absolute positions in the frequency domain.
  • determining the second set of physical resources in the UL subband based on the third set of resources further comprises determining the second set of physical resources in the UL subband based on the third set of resources and a mapping relationship between a set of resources in the UL BWP and a set of resources in the UL subband.
  • the mapping relationship is determined based on an offset, and wherein the offset is configured or pre-configured for the UE or predefined.
  • the transceiver is further configured to receive DCI indicating the second set of physical resources in the UL subband for the UL transmission.
  • a padding bit (s) is added to one of a first frequency domain resource allocation field and a second frequency domain resource allocation field which has the smaller size, wherein the first frequency domain resource allocation field is included in the DCI and the second frequency domain resource allocation field is included in another DCI for scheduling a UL transmission in the UL BWP.
  • the first set of physical resources is configured in a UL BWP.
  • the processor is further configured to: scale the first set of physical resources based on an SCS of the UL BWP and an SCS of a DL BWP; and map the scaled first set of physical resources to a third set of physical resources in the DL BWP.
  • the scaled first set of physical resources and the third set of physical resources have the same absolute positions in a frequency domain.
  • the transceiver is further configured to receive DCI indicating a fourth set of physical resources in the UL BWP for the UL transmission, and wherein determining the second set of physical resources in the UL subband for UL transmission includes: mapping the fourth set of physical resources to the second set of physical resources in the UL subband, wherein the fourth set of physical resources and the second set of physical resources have the same absolute positions in a frequency domain.
  • the transceiver is further configured to receive DCI indicating the second set of physical resources in the UL subband for the UL transmission.
  • a padding bit (s) is added to a first frequency domain resource allocation field in the DCI such that a size of the first frequency domain resource allocation field is the same as a size of a second frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit (s) is added to one of first DCI scheduling the UL transmission in the UL subband or second DCI scheduling the UL transmission in a UL BWP which has the smaller size.
  • the UE may include: a transceiver configured to transmit configuration information which configures a first set of physical resources for a UL subband; and a processor coupled to the transceiver and configured to determine a second set of physical resources in the UL subband for a UL transmission based on the configuration information.
  • the first set of physical resources is configured in a DL BWP.
  • the processor is further configured to scale the first set of physical resources based on an SCS of the DL BWP and an SCS of a UL BWP.
  • the first set of physical resources is configured in a network carrier and an SCS for the UL subband is configured or pre-configured for the UE or predefined.
  • the processor is further configured to scale the first set of physical resources based on the SCS for the UL subband and an SCS of a UL BWP.
  • the transceiver is further configured to transmit DCI including an indication indicating a third set of resources in the UL BWP for the UL transmission, and wherein determining the second set of physical resources in the UL subband for UL transmission includes: determining the second set of physical resources in the UL subband based on the third set of resources.
  • the third set of resources and the second set of physical resources have the same absolute positions in a frequency domain or have different absolute positions in the frequency domain.
  • determining the second set of physical resources in the UL subband based on the third set of resources further comprises determining the second set of physical resources in the UL subband based on the third set of resources and a mapping relationship between a set of resources in the UL BWP and a set of resources in the UL subband.
  • the mapping relationship is determined based on an offset, and wherein the offset is configured or pre-configured for the UE or predefined.
  • the transceiver is further configured to transmit DCI indicating the second set of physical resources in the UL subband for the UL transmission.
  • the processor is further configured to add a padding bit (s) to one of a first frequency domain resource allocation field and a second frequency domain resource allocation field which has the smaller size, wherein the first frequency domain resource allocation field is included in the DCI and the second frequency domain resource allocation field is included in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit s
  • the first set of physical resources is configured in a UL BWP.
  • the processor is further configured to: scale the first set of physical resources based on an SCS of the UL BWP and an SCS of a DL BWP; and map the scaled first set of physical resources to a third set of physical resources in the DL BWP.
  • the scaled first set of physical resources and the third set of physical resources have the same absolute positions in a frequency domain.
  • the transceiver is further configured to transmit DCI indicating a fourth set of physical resources in the UL BWP for the UL transmission, and wherein determining the second set of physical resources in the UL subband for UL transmission includes: mapping the fourth set of physical resources to the second set of physical resources in the UL subband, wherein the fourth set of physical resources and the second set of physical resources have the same absolute positions in a frequency domain.
  • the transceiver is further configured to transmit DCI indicating the second set of physical resources in the UL subband for the UL transmission.
  • the processor is further configured to add a padding bit (s) to a first frequency domain resource allocation field in the DCI such that a size of the first frequency domain resource allocation field is the same as a size of a second frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit s
  • the processor is further configured to add a padding bit (s) to one of first DCI scheduling the UL transmission in the UL subband or second DCI scheduling the UL transmission in a UL BWP which has the smaller size.
  • Some embodiments of the present disclosure provide a method performed by a UE.
  • the method may include: receiving configuration information which configures a first set of physical resources for a UL subband; and determining a second set of physical resources in the UL subband for a UL transmission based on the configuration information.
  • Some embodiments of the present disclosure provide a method performed by a BS.
  • the method may include: transmitting configuration information which configures a first set of physical resources for a UL subband; and determining a second set of physical resources in the UL subband for a UL transmission based on the configuration information.
  • the apparatus may include: at least one non-transitory computer-readable medium having stored thereon computer-executable instructions; at least one receiving circuitry; at least one transmitting circuitry; and at least one processor coupled to the at least one non-transitory computer-readable medium, the at least one receiving circuitry and the at least one transmitting circuitry, wherein the at least one non-transitory computer-readable medium and the computer executable instructions may be configured to, with the at least one processor, cause the apparatus to perform a method according to some embodiments of the present disclosure.
  • FIG. 1 illustrates a schematic diagram of a wireless communication system according to some embodiments of the present disclosure
  • FIG. 2 illustrates exemplary duplex modes according to some embodiments of the present disclosure
  • FIG. 3 illustrates exemplary radio resources in a time division duplex (TDD) system according to some embodiments of the present disclosure
  • FIG. 4 illustrates exemplary resource allocation type 0 and resource allocation type 1 according to some embodiments of the present disclosure
  • FIG. 5 is a flow chart illustrating an exemplary method for a UL subband in a full duplex system according to some embodiments of the present disclosure
  • FIGS. 6 (a) and 6 (b) illustrate exemplary scaling methods according to some embodiments of the present disclosure
  • FIGS. 7 (a) -8 (b) illustrate exemplary resource mapping methods according to some embodiments of the present disclosure
  • FIG. 9 is a flow chart illustrating an exemplary method for a UL subband in a full duplex system according to some other embodiments of the present disclosure.
  • FIG. 10 illustrates a simplified block diagram of an exemplary apparatus for a UL subband in a full duplex system according to some embodiments of the present disclosure.
  • FIG. 1 illustrates a schematic diagram of wireless communication system 100 in accordance with some embodiments of the present disclosure.
  • wireless communication system 100 may include some UEs 101 (e.g., UE 101a and UE 101b) and a BS (e.g., BS 102) . Although a specific number of UEs 101 and BS 102 are depicted in FIG. 1, it is contemplated that any number of UEs and BSs may be included in the wireless communication system 100.
  • UEs 101 e.g., UE 101a and UE 101b
  • BS e.g., BS 102
  • the UE (s) 101 may include computing devices, such as desktop computers, laptop computers, personal digital assistants (PDAs) , tablet computers, smart televisions (e.g., televisions connected to the Internet) , set-top boxes, game consoles, security systems (including security cameras) , vehicle on-board computers, network devices (e.g., routers, switches, and modems) , or the like.
  • the UE (s) 101 may include a portable wireless communication device, a smart phone, a cellular telephone, a flip phone, a device having a subscriber identity module, a personal computer, a selective call receiver, or any other device that is capable of sending and receiving communication signals on a wireless network.
  • the UE (s) 101 includes wearable devices, such as smart watches, fitness bands, optical head-mounted displays, or the like. Moreover, the UE (s) 101 may be referred to as a subscriber unit, a mobile, a mobile station, a user, a terminal, a mobile terminal, a wireless terminal, a fixed terminal, a subscriber station, a user terminal, or a device, or described using other terminology used in the art.
  • the UE (s) 101 may communicate with the BS 102 via UL communication signals.
  • the BS 102 may be distributed over a geographic region.
  • the BS 102 may also be referred to as an access point, an access terminal, a base, a base unit, a macro cell, a Node-B, an evolved Node B (eNB) , a gNB, a Home Node-B, a relay node, or a device, or described using other terminology used in the art.
  • the BS 102 is generally a part of a radio access network that may include one or more controllers communicably coupled to one or more corresponding BSs 102.
  • the BS 102 may communicate with UE (s) 101 via DL communication signals.
  • the wireless communication system 100 may be compatible with any type of network that is capable of sending and receiving wireless communication signals.
  • the wireless communication system 100 is compatible with a wireless communication network, a cellular telephone network, a time division multiple access (TDMA) -based network, a code division multiple access (CDMA) -based network, an orthogonal frequency division multiple access (OFDMA) -based network, an LTE network, a 3GPP-based network, a 3GPP 5G network, a satellite communications network, a high altitude platform network, and/or other communications networks.
  • TDMA time division multiple access
  • CDMA code division multiple access
  • OFDMA orthogonal frequency division multiple access
  • the wireless communication system 100 is compatible with 5G NR of the 3GPP protocol.
  • BS 102 may transmit data using an orthogonal frequency division multiple (OFDM) modulation scheme on the DL and the UE (s) 101 may transmit data on the UL using a discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) or cyclic prefix-OFDM (CP-OFDM) scheme.
  • DFT-S-OFDM discrete Fourier transform-spread-orthogonal frequency division multiplexing
  • CP-OFDM cyclic prefix-OFDM
  • the wireless communication system 100 may implement some other open or proprietary communication protocols, for example, WiMAX, among other protocols.
  • the BS 102 and UE (s) 101 may communicate using other communication protocols, such as the IEEE 802.11 family of wireless communication protocols. Further, in some embodiments of the present disclosure, the BS 102 and UE (s) 101 may communicate over licensed spectrums, whereas in some other embodiments, the BS 102 and UE (s) 101 may communicate over unlicensed spectrums.
  • the present disclosure is not intended to be limited to the implementation of any particular wireless communication system architecture or protocol.
  • duplex may mean bidirectional communications between two devices, in which "full duplex” means that a transmission over a link in each direction takes place at the same time and "half duplex” means that a transmission over a link in each direction takes place at mutual exclusive time.
  • FIG. 2 illustrates exemplary duplex modes according to some embodiments of the present disclosure.
  • duplex modes may include, for example, a full duplex frequency division duplex (FD-FDD) mode, a TDD mode, and a half duplex frequency division duplex (HD-FDD) mode.
  • FD-FDD full duplex frequency division duplex
  • TDD TDD
  • HD-FDD half duplex frequency division duplex
  • a full duplex transceiver in a full duplex transceiver, different carrier frequencies (e.g., carrier A and carrier B) may be employed for transmissions in each link direction, for example, carrier A may be used for the uplink transmissions while carrier B may be used for the downlink transmissions.
  • carrier A may be used for the uplink transmissions while carrier B may be used for the downlink transmissions.
  • carrier B may be used for the downlink transmissions.
  • Such kind of full duplex may be referred to as the FD-FDD mode.
  • transmissions in each link direction may be separated by time domain resources.
  • the same carrier frequency is used for transmissions in each link direction, for example, carrier A is used for both the uplink and downlink transmissions, whereby such kind of half duplex may be referred to as the TDD mode.
  • different carrier frequencies may be used for transmissions in each link direction, for example, carrier A may be used for the uplink transmissions while carrier B may be used for the downlink transmissions, whereby such kind of half duplex may be referred to as the HD-FDD mode.
  • Embodiments of the present disclosure provide improvements on the duplex modes, for example, as illustrated in FIG. 2.
  • advanced full duplex modes which enable simultaneous transmission and reception by the same device on the same carrier are provided.
  • the advanced full duplex modes are advantageous.
  • the advanced full duplex modes may improve link throughput.
  • transmission latency in the advanced full duplex modes may also be reduced due to simultaneous bidirectional transmission.
  • simultaneous DL transmission and UL transmission in the same carrier may incur self-interference.
  • the DL transmission may contaminate UL reception
  • the UL transmission may contaminate DL reception.
  • one scenario for implementing a full duplex mode is to deploy a full duplex mode on the BS side only, while still deploying a half duplex mode on the UE side.
  • the BS in a time unit (e.g., in terms of slot, symbol, sub-slot, etc. ) with a full duplex mode, the BS may perform UL receptions from some UEs while performing DL transmissions to some other UEs.
  • Non-overlapped frequency resources in the time unit may be allocated for UL receptions (from some UEs) and DL transmissions (to some other UEs) to mitigate self-interference.
  • Such kind of full duplex mode may be referred to as a subband full duplex (SBFD) .
  • SBFD subband full duplex
  • the SBFD may be used in a TDD system to improve UL performance in the TDD system.
  • a UL subband (s) may be configured in some DL slots such that the UL transmission can be extended to be within such UL subband (s) in the DL slots while the DL transmission may be scheduled in the resources out of the UL subband (s) .
  • a subband corresponds to a set of frequency domain resources, e.g., a set of resource elements (REs) or resource blocks (RBs) , and may be applicable to a time duration that is configured by a BS.
  • REs resource elements
  • RBs resource blocks
  • FIG. 3 illustrates exemplary radio resources in a time division duplex (TDD) system according to some embodiments of the present disclosure.
  • DL transmissions and UL transmissions may be separated by time domain resources (e.g., slots) .
  • the DL transmissions may be performed in DL slots #n -#n+2 as shown in FIG. 3 while the UL transmissions may be performed in the UL slots #n+3 -#n+4 as shown in FIG. 3.
  • the SBFD on the BS side may be introduced to the TDD system.
  • the UL transmission may also be scheduled in a subband in the DL slots in the TDD system.
  • UL transmissions may occur in a subband in DL slots #n+1 and #n+2.
  • slot #n+1 and #n+2 are configured with a UL subband (s) .
  • a UE may receive configurations for one or more DL BWPs or one or more UL BWPs.
  • a configuration for a DL BWP or a UL BWP (e.g., BWP-Downlink for a DL BWP or BWP-Uplink for a UL BWP as specified in 3GPP standard documents) may at least include the following parameters for the DL BWP or the UL BWP:
  • ⁇ a parameter (e.g., subcarrierSpacing as specified in 3GPP standard documents) which configures SCS for the DL BWP or the UL BWP;
  • ⁇ a parameter (e.g., cyclicPrefix as specified in 3GPP standard documents) which configures a cyclic prefix for the DL BWP or the UL BWP;
  • a parameter e.g., cyclicPrefix as specified in 3GPP standard documents
  • ⁇ a resource indication value (RIV) (e.g., locationAndBandwidth as specified in 3GPP standard documents) which configures an offset (e.g., denoted as RB start ) and a length (e.g., a number of contiguous RBs, which is denoted as L RB ) of the the DL BWP or the UL BWP.
  • RV resource indication value
  • L RB may be equal to wherein is the network carrier size (e.g., ) .
  • a start RB (e.g., denoted as ) of the DL BWP or the UL BWP may be determined based on the equation: wherein O carrier may be provided by another parameter (e.g., offsetToCarrier as specified in 3GPP standard documents) for the SCS;
  • ⁇ a parameter (e.g., BWP-Id as specified in 3GPP standard documents) which indicates an index of the DL BWP or the UL BWP in a set of DL BWPs or UL BWPs or indicates an ID of the DL BWP or the UL BWP; and
  • ⁇ a set of parameters regarding the channels or signal transmissions in the DL BWP or in the UL BWP.
  • the SCS for the DL BWP and the SCS for the UL BWP may be configured separately.
  • the SCS of the DL BWP and the SCS of the UL BWP may be configured with the same value or different values.
  • the size for the DL BWP (e.g., the number of RBs included in the DL BWP) and the size for the UL BWP (e.g., the number of RBs included in the UL BWP) may be configured separately.
  • the size of the DL BWP and the size of the UL BWP may be configured with the same value or different values.
  • the active DL BWP and the active UL BWP may have the same BWP ID, and their center frequencies may be aligned.
  • two resource allocation types may be used for frequency domain resource allocation for DL transmission (e.g., PDSCH transmission) or UL transmission (e.g., PUSCH transmission) .
  • the two resource allocation types may be referred to as resource allocation type 0 (also referred to as type 0) and resource allocation type 1 (also referred to as type 1) .
  • Resource allocation type 0 is a bitmap-based resource allocation scheme, wherein each bit may indicate whether a corresponding resource block (RB) group (RBG) is used for a PDSCH transmission or a PUSCH transmission, wherein each RBG may include more than one RB.
  • RB resource block
  • RBG resource block group
  • Resource allocation type 1 uses a start position and a length of the RB allocation to indicate a resource allocation for a PDSCH transmission or a PUSCH transmission.
  • the resource allocation in resource allocation type 1 may be indicated by an RIV, which indicates a starting resource block (e.g., denoted as RB start ) and a length (e.g., a number of continuous resource blocks, which is denoted as L RBs ) of the resource allocation.
  • the RIV may be defined by the following equations.
  • FIG. 4 illustrates an exemplary resource allocation type 0 and an exemplary resource allocation type 1 according to some embodiments of the present disclosure.
  • a BWP includes 24 RBs.
  • each RBG may include two RBs.
  • a UE may receive a bitmap "010011100010" indicating a resource allocation in the BWP for a PDSCH transmission or a PUSCH transmission, wherein "0" indicates that the corresponding RBG is not used for the PDSCH transmission or the PUSCH transmission, whereas "1" indicates that the corresponding RBG is used for the PDSCH transmission or the PUSCH transmission.
  • a UE may receive information indicating a resource allocation in the BWP for a PDSCH transmission or a PUSCH transmission.
  • the information may be an RIV indicating a start position (e.g., the fifth RB in the BWP) of the resource allocation and a length (e.g., 10 RBs) of the resource allocation, for example,
  • a UE may support up to 4 DCI sizes. If a size of the DCI does not belong to the 4 DCI sizes, a padding bit (s) may be added to the DCI or a truncation to the DCI may be performed. Such operation may be referred to as DCI size alignment.
  • Embodiments of the present disclosure provide solutions for UL subband allocation in the frequency domain (e.g., allocating frequency resources for a UL subband) and resource allocation for UL transmission in the UL subband.
  • solutions for UL subband allocation in the frequency domain e.g., allocating frequency resources for a UL subband
  • resource allocation for UL transmission in the UL subband For example, the following three solutions may be used for UL subband allocation in the frequency domain.
  • ⁇ Solution 1 a set of physical resources (e.g., RBs) in a DL BWP may be allocated (or configured) for a UL subband;
  • ⁇ Solution 2 a set of physical resources (e.g., RBs) in a UL BWP may be allocated (or configured) for a UL subband; and
  • ⁇ Solution 3 a set of physical resources (e.g., RBs) in a network carrier may be allocated (or configured) for a UL subband.
  • RBs physical resources
  • the frequency resources for the UL subband may be configured by using resource allocation type 1 as stated above.
  • the UE may receive an RIV indicating a starting RB and a length of RBs in the DL BWP for the UL subband.
  • the SCS of the allocated RBs for the UL subband is the same as the SCS of the DL BWP, and may be different from the SCS configured for the UL BWP.
  • the SCS of a UL transmission (e.g., PUSCH transmission) in the UL subband and a UL transmission (e.g., PUSCH transmission) in the UL BWP may be different, and thus the UE may need to perform SCS switching between the UL transmission in the UL subband and the UL transmission in the UL BWP.
  • This may increase the complexity of the operations performed on the UE side (e.g., the UE may perform more complex fast Fourier transform (FFT) ) , and also cause the PUSCH scheduling to be more complex on the BS side.
  • FFT complex fast Fourier transform
  • the frequency resources for the UL subband may be configured by using resource allocation type 1 as stated above.
  • the UE may receive an RIV indicating a starting RB and a length of RBs in the UL BWP for the UL subband.
  • the SCS of the allocated RBs for the UL subband is the same as the SCS of the UL BWP, and may be different from the SCS configured for the DL BWP.
  • the resources of the UL subband may be mapped to the resources in the DL BWP. Otherwise, when a DL transmission (e.g., PDSCH transmission) is scheduled in the DL BWP and includes the resources of the UL subband, the UE cannot perform a rate matching around the resources of the UL subband for the DL transmission.
  • a DL transmission e.g., PDSCH transmission
  • the UL subband is configured in a network carrier.
  • the frequency resources for the UL subband may be configured in a network carrier.
  • the SCS of the UL subband may be configured, preconfigured, or predefined to be a value which is the same as the SCS of the UL BWP or the DL BWP or different from the SCS of the UL BWP or the DL BWP (for example, the SCS of the UL subband may be configured, preconfigured, or predefined to be a value which is the same as the DL BWP) .
  • solution 3 may involve a similar problem as in solution 1.
  • solution 3 may involve a similar problem as in solution 2.
  • Embodiments of the present disclosure further provide enhanced solutions for resource allocation within the UL subband for UL transmission in a full duplex system.
  • the enhanced solutions in the embodiments of the present disclosure can at least solve the above technical problems. More details on embodiments of the present disclosure will be described in the following text in combination with the appended drawings.
  • FIG. 5 is a flow chart illustrating an exemplary method for a UL subband in a full duplex system according to some embodiments of the present disclosure.
  • the method in FIG. 5 may be implemented by a UE (e.g., UE 101 as shown in FIG. 1) .
  • a UE may receive, from a BS (e.g., BS 102 as shown in FIG. 1) , configuration information which configures a first set of physical resources (e.g., RBs or resource elements (REs) ) for a UL subband.
  • the UE may determine a second set of physical resources in the UL subband for a UL transmission (e.g., PUSCH transmission) based on the configuration information.
  • a BS e.g., BS 102 as shown in FIG. 1
  • configuration information which configures a first set of physical resources (e.g., RBs or resource elements (REs) ) for a UL subband.
  • the UE may determine a second set of physical resources in the UL subband for a UL transmission (e.g., PUSCH transmission) based on the configuration information.
  • a UL transmission e.g., PUSCH transmission
  • the first set of physical resources may be configured in a DL BWP (e.g., the resource allocation for the UL subband may use solution 1 as stated above) .
  • the resource allocation for the UL subband may use solution 1 as stated above.
  • solution 1 when the SCS of the DL BWP is different from the SCS of a UL BWP, the UE needs to perform SCS switching when transmitting a UL transmission in the UL subband and in the UL BWP.
  • the UE may scale the first set of physical resources based on the SCS of the DL BWP and the SCS of a UL BWP.
  • the scaling may be performed based on the requirement that the SCS of the UL subband is the same as the SCS of the UL BWP, such that the UE does not need to perform SCS switching when transmitting a UL transmission in the UL subband and in the UL BWP.
  • the scaling operation may be omitted.
  • the SCS of the DL BWP may be larger than the SCS of the UL BWP, then the size of the first set of physical resources (e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources) may be scaled up.
  • the size of the first set of physical resources e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources
  • the SCS of the DL BWP may be smaller than the SCS of the UL BWP, then the size of the first set of physical resources (e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources) may be scaled down.
  • the size of the first set of physical resources e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources
  • the UE may perform the scaling based on the following equation:
  • L RB is the number of RBs included in the UL subband after scaling
  • L′ RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the DL BWP
  • SCS of the DL BWP is the SCS of the UL BWP.
  • FIGS. 6 (a) and 6 (b) illustrate exemplary scaling methods according to some embodiments of the present disclosure.
  • the configuration information in step 501 configures L′ RB RBs in a DL BWP for a UL subband.
  • the SCS of the DL BWP is twice the SCS of the UL BWP.
  • the SCS of the DL BWP is half the SCS of the UL BWP.
  • the first set of physical resources may be configured in a network carrier (e.g., the resource allocation for the UL subband may use solution 3 as stated above) .
  • SCS for the UL subband may be configured or pre-configured for the UE or predefined.
  • the UE needs to perform SCS switching when transmitting a UL transmission in the UL subband and in the UL BWP.
  • the UE may scale the first set of physical resources based on the configured, pre-configured, or pre-defined SCS for the UL subband and the SCS of a UL BWP.
  • the scaling may be performed based on the requirement that the SCS of the UL subband is the same as the SCS of the UL BWP, such that the UE does not need to perform SCS switching when transmitting a UL transmission in the UL subband and in the UL BWP.
  • the scaling operation may be omitted.
  • the configured, pre-configured, or pre-defined SCS for the UL subband may be larger than the SCS of the UL BWP, then the size of the first set of physical resources (e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources) may be scaled up.
  • the size of the first set of physical resources e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources
  • the configured, pre-configured, or pre-defined SCS for the UL subband may be smaller than the SCS of the UL BWP, then the size of the first set of physical resources (e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources) may be scaled down.
  • the size of the first set of physical resources e.g., the number of physical resources (e.g., RBs or REs) included in the first set of physical resources
  • the UE may perform the scaling based on the following equation:
  • L RB is the number of RBs included in the UL subband after scaling
  • L′ RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the DL BWP
  • a set of physical resources in the UL subband may be determined.
  • the resource allocation for a UL transmission in the UL subband may be based on the set of physical resources.
  • the following embodiments provide methods for resource allocation for a UL transmission in the UL subband.
  • the UE may receive DCI including an indication indicating a third set of resources in the UL BWP for the UL transmission in the UL subband.
  • the size of a frequency domain resource allocation field in the DCI may be the same as the size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP. Accordingly, no operation is needed to align the sizes of the two DCIs from a resource indication point of view.
  • the UE may determine the second set of physical resources in the UL subband based on the third set of resources. For example, the UE may perform a resource mapping such that based on the third set of resources in the UL BWP, the UE may determine the corresponding second set of physical resources in the UL subband for UL transmission.
  • the third set of resources and the second set of physical resources may have the same absolute positions in a frequency domain.
  • the third set of resources in the UL BWP may map to the second set of physical resources in the UL subband such that they are in the same absolute positions in the frequency domain.
  • the third set of resources and the second set of physical resources have different absolute positions in the frequency domain.
  • the third set of resources in the UL BWP may map to the second set of physical resources in the UL subband such that they are in different absolute positions in the frequency domain.
  • FIGS. 7 (a) and 7 (b) illustrate exemplary mapping methods according to some embodiments of the present disclosure.
  • the UL BWP is configured with K RBs indexed from #0 to #K-1, and the DCI indicates L RB RBs (e.g., RB #K-L RB to RB #K-1) in the UL BWP for a UL transmission in the UL subband.
  • L RB RBs e.g., RB #K-L RB to RB #K-1
  • RB #K-L RB to RB #K-1 in the UL BWP may be mapped to L RB RBs of the UL subband and they have the same absolute positions in the frequency domain.
  • RB #K-L RB to RB #K-1 in the UL BWP may be one-to-one mapped to the L RB RBs of the UL subband, e.g., the UE may map RB #K-L RB in the UL BWP to RB #0 in the UL subband, map RB #K-L RB +1 in the UL BWP to RB #1 in the UL subband, ..., map RB #K-1 in the UL BWP to RB #L RB -1 in the UL subband.
  • the UL BWP is configured with K RBs indexed from #0 to #K-1, and the DCI indicates L RB RBs (e.g., RB #0 to RB #L RB -1) for a UL transmission in the UL BWP.
  • L RB RBs e.g., RB #0 to RB #L RB -1
  • RB #0 to RB #L RB -1 in the UL BWP may be mapped to L RB RBs of the UL subband and they have different absolute positions in the frequency domain.
  • RB #0 to RB #L RB -1 in the UL BWP may be one-to-one mapped to the L RB RBs of the UL subband, for example, the UE may map RB #0 in the UL BWP to RB #0 in the UL subband, map RB #1 in the UL BWP to RB #1 in the UL subband, ..., map RB #K-1 in the UL BWP to RB #K-1 in the UL subband.
  • a DCI may schedule a part of the UL subband for a UL transmission, which may include consecutive or inconsecutive physical resources in the UL subband in some other embodiments of the present disclosure.
  • determining the second set of physical resources in the UL subband based on the third set of resources may further include determining the second set of physical resources in the UL subband based on the third set of resources and a mapping relationship between a set of resources (e.g., RB or RBGs) in the UL BWP and a set of resources (e.g., RB or RBGs) in the UL subband.
  • a set of resources e.g., RB or RBGs
  • the mapping relationship may refer to that the set of resources (e.g., RB or RBGs) in the UL subband are one-to-one mapped to the set of resources (e.g., RB or RBGs) in the UL BWP or vice versa.
  • the mapping relationship may refer to that all the resources in the UL subband are one-to-one mapped to a set of resources in the UL BWP.
  • the mapping relationship may refer to that the set of resources (e.g., RB or RBGs) in the UL subband and the set of resources (e.g., RB or RBGs) in the UL BWP have the same positions in the frequency domain.
  • the set of resources e.g., RB or RBGs
  • the set of resources e.g., RB or RBGs
  • the mapping relationship may be determined or defined by an offset (e.g., an RB offset or an RBG offset) .
  • the offset may be configured or pre-configured for the UE or predefined (e.g., equal to 0) .
  • the mapping relationship may refer to that RB #0 –RB #k-1 in the UL subband are mapped to RB #m –RB#m+k-1 in the UL BWP.
  • the offset may be determined based on the principle that the RBs or the RBGs of the UL subband have the same absolute frequency domain positions as the corresponding set of RBs or RBGs in the UL BWP.
  • the UL subband includes k RBs (e.g., denoted as RB #0 –RB #k-1) and they are mapped to RB #m –RB #m+k-1 of the UL BWP, wherein RB #0 –RB #k-1 of the UL subband have the same absolute frequency positions as RB #m –RB #m+k-1 of the UL BWP, and the RB offset is "m" in this example.
  • resource allocation type 0 may be used for the resource allocation in the UL BWP.
  • the UE may determine a set of RBGs in the UL subband for the UL transmission based on the mapping relationship.
  • the UE may first determine a set of RBs in the UL BWP for the UL transmission from the set of RBGs in the UL BWP, and then determine a set of RBs in the UL subband for the UL transmission based on the set of RBs in the UL BWP and the mapping relationship.
  • the mapping relationship may indicate an RBG offset "m" between resources in the UL subband and resources in the UL BWP, and the UE receives the DCI indicating RBGs [#n1, #n2, #n3] in the UL BWP which are used for the UL transmission in the UL subband.
  • the UE may determine RBGs [#n1-m, #n2-m, #n3-m] in the UL subband are used for the UL transmission.
  • resource allocation type 1 may be used for the resource allocation in the UL BWP.
  • the UE may determine a set of RBs in the UL subband for the UL transmission based on the set of RBs in the UL BWP and the mapping relationship.
  • the mapping relationship may indicate that an RB offset "m" between resources in the UL subband and resources in the UL BWP, and the UE receives an RIV indicating RB #n –RB #n+L in the UL BWP which are used for the UL transmission in the UL subband.
  • the UE may determine RB #n-m –RB #n+L-m in the UL subband are used for the UL transmission.
  • the UE may receive DCI including an indication indicating the second set of physical resources in the UL subband for the UL transmission.
  • the size of a frequency domain resource allocation field in the DCI may be different from the size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit may be added to one of a first frequency domain resource allocation field and a second frequency domain resource allocation field which has the smaller size, wherein the first frequency domain resource allocation field is included in the DCI and the second frequency domain resource allocation field is included in the another DCI for scheduling a UL transmission in the UL BWP, such that the sizes of the first frequency domain resource allocation field and the second frequency domain resource allocation field are the same.
  • the UL subband may be within the UL BWP in the frequency domain or may be not within the UL BWP in the frequency domain.
  • the first set of physical resources may be configured in a UL BWP (e.g., the resource allocation for the UL subband may use solution 2 as stated above) .
  • the first set of physical resources may be mapped to a set of physical resources in the DL BWP, such that the UE may determine the resources in the DL BWP for a PDSCH rate matching, e.g., the UE may avoid receiving a DL transmission (e.g., PDSCH transmission) in the RBs if they are allocated for the UL subband.
  • the UE may scale the first set of physical resources based on the SCS of the UL BWP and the SCS of the DL BWP.
  • the scaling may be performed based on the requirement that the SCS of the scaled first set of physical resources is the same as the SCS of the DL BWP.
  • the SCS of the UL BWP may be larger than the SCS of the DL BWP, then the size of the first set of physical resources (e.g., the number of physical resources included in the first set of physical resources) may be scaled up.
  • the SCS of the UL BWP may be smaller than the SCS of the DL BWP, then the size of the first set of physical resources (e.g., the number of physical resources included in the first set of physical resources) may be scaled down.
  • the UE may perform the scaling based on the following equation:
  • L′ RB is the number of RBs included in the scaled first set of physical resources
  • L RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the UL BWP
  • SCS of the DL BWP is the SCS of the UL BWP.
  • the UE may map the scaled first set of physical resources to a third set of physical resources in the DL BWP.
  • the scaled first set of physical resources and the third set of physical resources in the DL BWP have the same absolute positions in a frequency domain.
  • FIGS. 8 (a) and 8 (b) illustrate exemplary resource mapping methods according to some embodiments of the present disclosure.
  • the configuration information in step 501 may configure L RB RBs in a UL BWP for a UL subband.
  • the SCS of the DL BWP is twice the SCS of the UL BWP.
  • the UE may map the L RB RBs to L′ RB RBs in the DL BWP such that they have the same absolute positions in a frequency domain.
  • the SCS of the DL BWP is half the SCS of the UL BWP.
  • the UE may map the L RB RBs to L′ RB RBs in the DL BWP such that they have the same absolute positions in a frequency domain.
  • the UL subband includes the first set of physical resources.
  • the resource allocation for a UL transmission in the UL subband may be based on the first set of physical resources.
  • the following embodiments may provide methods for resource allocation for a UL transmission in the UL subband.
  • the UE may receive DCI including an indication indicating a fourth set of physical resources in the UL BWP for the UL transmission.
  • the size of a frequency domain resource allocation field in the DCI may be the same as the size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP. Accordingly, no operation is needed to align the sizes of the two DCIs from a resource indication point of view.
  • the UE may determine the second set of physical resources in the UL subband based on the fourth set of physical resources.
  • determining the second set of physical resources in the UL subband for UL transmission may include mapping the fourth set of physical resources to the second set of physical resources in the UL subband, wherein the fourth set of physical resources and the second set of physical resources have the same absolute positions in a frequency domain.
  • resource allocation type 0 may be used for the resource allocation in the UL BWP.
  • the UE may determine a set of RBGs in the UL subband for the UL transmission, wherein the set of RBGs in the UL subband may have the same absolute positions in the frequency domain with the set of RBGs in the UL BWP.
  • resource allocation type 1 may be used for the resource allocation in the UL BWP.
  • the UE may determine a set of RBs in the UL subband for the UL transmission, wherein the set of RBs in the UL subband may have the same absolute positions in the frequency domain with the set of RBs in the UL BWP.
  • the UE may receive DCI including an indication indicating a set of physical resources in the UL subband for the UL transmission.
  • the second set of physical resources in the UL subband for a UL transmission in step 503 may be the set of physical resources indicated by the DCI.
  • the size of a frequency domain resource allocation field in the DCI may be smaller than the size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit (s) may be added to a frequency domain resource allocation field in the DCI such that a size of the frequency domain resource allocation field is the same as a size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • the size of the DCI for scheduling a UL transmission in a UL subband should be the same as the size of the DCI for scheduling a UL transmission in a UL BWP. If the two DCIs have different sizes, a padding bit (s) may be added to one of the DCI scheduling the UL transmission in the UL subband and the DCI scheduling the UL transmission in the UL BWP which has the smaller size, such that the sizes of the two DCIs may be aligned (e.g., equal to each other) .
  • FIG. 9 is a flow chart illustrating an exemplary method for a UL subband in a full duplex system according to some other embodiments of the present disclosure.
  • the method in FIG. 9 may be implemented by a BS (e.g., BS 102 as shown in FIG. 1) .
  • a BS may transmit, to a UE (e.g., UE 101 as shown in FIG. 1) , configuration information which configures a first set of physical resources (e.g., RBs or REs) for a UL subband.
  • the BS may determine a second set of physical resources in the UL subband for a UL transmission (e.g., PUSCH transmission) based on the configuration information.
  • the first set of physical resources may be configured in a DL BWP (e.g., the resource allocation for the UL subband may use solution 1 as stated above) .
  • the resource allocation for the UL subband may use solution 1 as stated above.
  • the BS may scale the first set of physical resources based on the SCS of the DL BWP and the SCS of a UL BWP.
  • the scaling may be performed based on the requirement that the SCS of the UL subband is the same as the SCS of the UL BWP such that the BS does not need to perform SCS switching when receiving a UL transmission in the UL subband and in the UL BWP.
  • the scaling operation may be omitted.
  • the BS may perform the scaling based on the following equation:
  • L RB is the number of RBs included in the UL subband after scaling
  • L′ RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the DL BWP
  • SCS of the DL BWP is the SCS of the UL BWP.
  • the examples for scaling may refer to FIGS. 6 (a) and 6 (b) .
  • the first set of physical resources may be configured in a network carrier (e.g., the resource allocation for the UL subband may use solution 3 as stated above) .
  • SCS for the UL subband may be configured or pre-configured for the UE or predefined. In such embodiments, all the operations performed by the UE in FIG. 5 may apply here.
  • the BS may scale the first set of physical resources based on the configured, pre-configured, or pre-defined SCS for the UL subband and the SCS of a UL BWP.
  • the scaling may be performed based on the requirement that the SCS of the UL subband is the same as the SCS of the UL BWP, such that the BS does not need to perform SCS switching when receiving a UL transmission in the UL subband and in the UL BWP.
  • the scaling operation may be omitted.
  • the BS may perform the scaling based on the following equation:
  • L RB is the number of RBs included in the UL subband after scaling
  • L′ RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the DL BWP
  • a set of physical resources in the UL subband may be determined.
  • the resource allocation for a UL transmission in the UL subband may be based on the set of physical resources.
  • the following embodiments provide methods for resource allocation for a UL transmission in the UL subband.
  • the BS may transmit DCI including an indication indicating a third set of resources in the UL BWP for the UL transmission in the UL subband.
  • the size of a frequency domain resource allocation field in the DCI may be the same as the size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP. Accordingly, no operation is needed for a BS to align the sizes of the two DCIs from a resource indication point of view.
  • the BS may determine the second set of physical resources in the UL subband based on the third set of resources. For example, the BS may perform a resource mapping such that based on the third set of resources in the UL BWP, the BS may determine the corresponding second set of resources in the UL subband for UL transmission.
  • the third set of resources and the second set of physical resources may have the same absolute positions in a frequency domain.
  • the third set of resources in the UL BWP may map to the second set of physical resources in the UL subband such that they are in the same absolute positions in the frequency domain.
  • the third set of resources and the second set of physical resources have different absolute positions in the frequency domain.
  • the third set of resources in the UL BWP may map to the second set of physical resources in the UL subband such that they are in different absolute positions in the frequency domain.
  • determining the second set of physical resources in the UL subband based on the third set of resources may further include determining the second set of physical resources in the UL subband based on the third set of resources and a mapping relationship between a set of resources (e.g., RB or RBGs) in the UL BWP and a set of resources (e.g., RB or RBGs) in the UL subband.
  • a mapping relationship between a set of resources (e.g., RB or RBGs) in the UL BWP and a set of resources (e.g., RB or RBGs) in the UL subband.
  • the mapping relationship may refer to that the set of resources (e.g., RB or RBGs) in the UL subband are one-to-one mapped to the set of resources (e.g., RB or RBGs) in the UL BWP or vice versa.
  • the mapping relationship may refer to that all the resources in the UL subband are one-to-one mapped to a set of resources in the UL BWP.
  • the mapping relationship may refer to that the set of resources (e.g., RB or RBGs) in the UL subband and the set of resources (e.g., RB or RBGs) in the UL BWP have the same positions in the frequency domain.
  • the set of resources e.g., RB or RBGs
  • the set of resources e.g., RB or RBGs
  • the mapping relationship may be determined or defined by an offset (e.g., an RB offset or an RBG offset) .
  • the offset may be configured or pre-configured for the UE or predefined. For example, assuming that the UL subband includes k RBs (e.g., denoted as RB #0 –RB #k-1) and the offset is an RB offset "m, " then the mapping relationship may refer to that RB #0 –RB #k-1 in the UL subband are mapped to RB #m –RB#m+k-1 in the UL BWP.
  • the offset may be determined based on the principle that the RBs or the RBGs of the UL subband have the same absolute frequency domain positions as the corresponding set of RBs or RBGs in the UL BWP.
  • the UL subband includes k RBs (e.g., denoted as RB #0 –RB #k-1) and they are mapped to RB #m –RB #m+k-1 of the UL BWP, wherein RB #0 –RB #k-1 of the UL subband have the same absolute frequency positions as RB #m –RB #m+k-1 of the UL BWP, and the RB offset is "m" in this example.
  • resource allocation type 0 may be used for the resource allocation in the UL BWP.
  • the BS may transmit the DCI indicating a set of RBGs in the UL BWP for a UL transmission.
  • the BS may determine a set of RBGs in the UL subband for the UL transmission based on the mapping relationship.
  • the BS may first determine a set of RBs in the UL BWP for the UL transmission from the set of RBGs in the UL BWP, and then determine a set of RBs in the UL subband for the UL transmission based on the set of RBs in the UL BWP and the mapping relationship.
  • resource allocation type 1 may be used for the resource allocation in the UL BWP.
  • the BS may transmit the DCI including an RIV which indicates a set of RBs in the UL BWP for a UL transmission.
  • the BS may determine a set of RBs in the UL subband for the UL transmission based on the set of RBs in the UL BWP and the mapping relationship.
  • the BS may transmit DCI including an indication indicating the second set of physical resources in the UL subband for the UL transmission.
  • the BS may add a padding bit (s) to one of a first frequency domain resource allocation field and a second frequency domain resource allocation field which has the smaller size, wherein the first frequency domain resource allocation field is included in the DCI and the second frequency domain resource allocation field is included in the another DCI for scheduling a UL transmission in the UL BWP, such that the sizes of the first frequency domain resource allocation field and the second frequency domain resource allocation field are the same.
  • the UL subband may be within the UL BWP in the frequency domain or may be not within the UL BWP in the frequency domain.
  • the first set of physical resources may be configured in a UL BWP (e.g., the resource allocation for the UL subband may use solution 2 as stated above) .
  • the first set of physical resources may be mapped to a set of physical resources in the DL BWP, such that the BS may determine the resources in the DL BWP for a PDSCH rate matching.
  • the BS may scale the first set of physical resources based on the SCS of the UL BWP and the SCS of the DL BWP.
  • the scaling may be performed based on the requirement that the SCS of the scaled first set of physical resources is the same as the SCS of the DL BWP.
  • the BS may perform the scaling based on the following equation:
  • L′ RB is the number of RBs included in the scaled first set of physical resources
  • L RB is the number of RBs included in the first set of physical resources allocated for the UL subband in the UL BWP
  • SCS of the DL BWP is the SCS of the UL BWP.
  • the BS may map the scaled first set of physical resources to a third set of physical resources in the DL BWP.
  • the scaled first set of physical resources and the third set of physical resources in the DL BWP have the same absolute positions in a frequency domain.
  • the UL subband includes the first set of physical resources.
  • the resource allocation for a UL transmission in the UL subband may be based on the first set of physical resources.
  • the following embodiments may provide methods for resource allocation for a UL transmission in the UL subband.
  • the BS may transmit DCI including an indication indicating a fourth set of physical resources in the UL BWP for the UL transmission. In such embodiments, no operation is needed to align the sizes of the two DCIs from a resource indication point of view.
  • the BS may determine the second set of physical resources in the UL subband based on the fourth set of physical resources.
  • determining the second set of physical resources in the UL subband for UL transmission may include mapping the fourth set of physical resources to the second set of physical resources in the UL subband, wherein the fourth set of physical resources and the second set of physical resources have the same absolute positions in a frequency domain.
  • resource allocation type 0 may be used for the resource allocation in the UL BWP.
  • the BS may transmit the DCI indicating a set of RBGs in the UL BWP for a UL transmission.
  • the BS may determine a set of RBGs in the UL subband for the UL transmission, wherein the set of RBGs in the UL subband may have the same absolute positions in the frequency domain with the set of RBGs in the UL BWP.
  • resource allocation type 1 may be used for the resource allocation in the UL BWP.
  • the BS may transmit the DCI including an RIV which indicates a set of RBs in the UL BWP for a UL transmission.
  • the BS may determine a set of RBs in the UL subband for the UL transmission, wherein the set of RBs in the UL subband may have the same absolute positions in the frequency domain with the set of RBs in the UL BWP.
  • the BS may transmit DCI including an indication indicating a set of physical resources in the UL subband for the UL transmission.
  • the second set of physical resources in the UL subband for a UL transmission in step 503 may be the set of physical resources indicated by the DCI.
  • the BS may add a padding bit (s) to a frequency domain resource allocation field in the DCI such that a size of the frequency domain resource allocation field is the same as a size of a frequency domain resource allocation field in another DCI for scheduling a UL transmission in the UL BWP.
  • a padding bit s
  • the size of the DCI for scheduling a UL transmission in a UL subband should be the same as the size of the DCI for scheduling a UL transmission in a UL BWP. If the two DCIs have different sizes, the BS may add a padding bit (s) to one of the DCI scheduling the UL transmission in the UL subband and the DCI scheduling the UL transmission in the UL BWP which has the smaller size, such that the sizes of the two DCIs may be aligned (e.g., equal to each other) .
  • FIG. 10 illustrates a simplified block diagram of an exemplary apparatus for a UL subband in a full duplex system according to some embodiments of the present disclosure.
  • the apparatus 1000 may include at least one processor 1006 and at least one transceiver 1002 coupled to the processor 1006.
  • the apparatus 1000 may be a UE or a BS.
  • the transceiver 1002 may be divided into two devices, such as a receiving circuitry and a transmitting circuitry.
  • the apparatus 1000 may further include an input device, a memory, and/or other components.
  • the apparatus 1000 may be a UE.
  • the transceiver 1002 and the processor 1006 may interact with each other so as to perform the operations with respect to the UE described in FIGS. 1-9.
  • the apparatus 1000 may be a BS.
  • the transceiver 1002 and the processor 1006 may interact with each other so as to perform the operations with respect to the BS described in FIGS. 1-9.
  • the apparatus 1000 may further include at least one non-transitory computer-readable medium.
  • the non-transitory computer-readable medium may have stored thereon computer-executable instructions to cause the processor 1006 to implement the method with respect to the UE as described above.
  • the computer-executable instructions when executed, cause the processor 1006 interacting with transceiver 1002 to perform the operations with respect to the UE described in FIGS. 1-9.
  • the non-transitory computer-readable medium may have stored thereon computer-executable instructions to cause the processor 1006 to implement the method with respect to the BS as described above.
  • the computer-executable instructions when executed, cause the processor 1006 interacting with transceiver 1002 to perform the operations with respect to the BS described in FIGS. 1-9.
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • the operations or steps of a method may reside as one or any combination or set of codes and/or instructions on a non-transitory computer-readable medium, which may be incorporated into a computer program product.
  • the terms “includes, “ “including, “ or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
  • An element proceeded by “a, “ “an, “ or the like does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.
  • the term “another” is defined as at least a second or more.
  • the term “having” and the like, as used herein, are defined as "including.
  • Expressions such as “A and/or B” or “at least one of A and B” may include any and all combinations of words enumerated along with the expression.
  • the expression “A and/or B” or “at least one of A and B” may include A, B, or both A and B.
  • the wording "the first, " “the second” or the like is only used to clearly illustrate the embodiments of the present disclosure, but is not used to limit the substance of the present disclosure.

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

Abstract

Des modes de réalisation de la présente divulgation concernent des procédés et des appareils destinés à une sous-bande de transmission en liaison montante (UL) dans un système de duplex intégral. Selon certains modes de réalisation de la présente divulgation, un équipement utilisateur (UE) peut comprendre : un émetteur-récepteur conçu pour recevoir des informations de configuration qui configurent un premier ensemble de ressources physiques pour une sous-bande UL ; et un processeur couplé à l'émetteur-récepteur et conçu pour déterminer un second ensemble de ressources physiques dans la sous-bande UL pour une transmission UL sur la base des informations de configuration.
PCT/CN2022/111759 2022-08-11 2022-08-11 Procédés et appareils destinés à une sous-bande de transmission en liaison montante dans un système de duplex intégral WO2024031534A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107872844A (zh) * 2016-09-26 2018-04-03 中兴通讯股份有限公司 一种无线传输方法及装置
CN109039556A (zh) * 2017-06-09 2018-12-18 华为技术有限公司 一种信号传输方法、相关设备及系统
CN114846886A (zh) * 2022-03-29 2022-08-02 北京小米移动软件有限公司 确定传输方向的方法、装置、通信设备及存储介质

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107872844A (zh) * 2016-09-26 2018-04-03 中兴通讯股份有限公司 一种无线传输方法及装置
CN109039556A (zh) * 2017-06-09 2018-12-18 华为技术有限公司 一种信号传输方法、相关设备及系统
CN114846886A (zh) * 2022-03-29 2022-08-02 北京小米移动软件有限公司 确定传输方向的方法、装置、通信设备及存储介质

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NTT DOCOMO, INC.: "Scheduling and HARQ for URLLC low latency", 3GPP DRAFT; R1-1705752, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Spokane, USA; 20170403 - 20170407, 2 April 2017 (2017-04-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051243867 *
ZTE: "Discussion of subband non-overlapping full duplex", 3GPP DRAFT; R1-2203204, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20220509 - 20220520, 29 April 2022 (2022-04-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052152865 *

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