WO2022000262A1 - Systèmes et procédés pour déterminer des informations de transmission - Google Patents

Systèmes et procédés pour déterminer des informations de transmission Download PDF

Info

Publication number
WO2022000262A1
WO2022000262A1 PCT/CN2020/099254 CN2020099254W WO2022000262A1 WO 2022000262 A1 WO2022000262 A1 WO 2022000262A1 CN 2020099254 W CN2020099254 W CN 2020099254W WO 2022000262 A1 WO2022000262 A1 WO 2022000262A1
Authority
WO
WIPO (PCT)
Prior art keywords
pusch
repetition
wireless communication
transmission
communication device
Prior art date
Application number
PCT/CN2020/099254
Other languages
English (en)
Inventor
Yu Pan
Chuangxin JIANG
Shujuan Zhang
Zhaohua Lu
Original Assignee
Zte Corporation
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 Zte Corporation filed Critical Zte Corporation
Priority to CN202080102595.5A priority Critical patent/CN115804187A/zh
Priority to PCT/CN2020/099254 priority patent/WO2022000262A1/fr
Publication of WO2022000262A1 publication Critical patent/WO2022000262A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/189—Transmission or retransmission of more than one copy of a message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements

Definitions

  • the present disclosure relates to the field of telecommunications, and in particular, uplink repetition.
  • 5G 5th Generation Mobile Communication Technology
  • example embodiments disclosed herein are directed to solving the issues relating to one or more of the problems presented in the prior art, as well as providing additional features that will become readily apparent by reference to the following detailed description when taken in conjunction with the accompany drawings.
  • example systems, methods, devices and computer program products are disclosed herein. It is understood, however, that these embodiments are presented by way of example and are not limiting, and it will be apparent to those of ordinary skill in the art who read the present disclosure that various modifications to the disclosed embodiments can be made while remaining within the scope of this disclosure.
  • a wireless communication device determines that a condition has been satisfied and, in response, performs uplink repetition based on repetition information.
  • a network transmits, to a wireless communication device, condition information and receives, from the wireless communication device, uplink repetition.
  • the uplink repetition is transmitted by the wireless communication device based on repetition information, which is determined based on the condition information.
  • FIG. 1 is a schematic diagram of a UE and base stations, in accordance with some embodiments of the present disclosure.
  • FIG. 2 is an SRI indication table for non-codebook-based PUSCH transmissions, in accordance with some embodiments of the present disclosure.
  • FIG. 3 is an SRI indication comparison table based on non-codebook-based PUSCH transmissions, in accordance with some embodiments of the present disclosure.
  • FIG. 4 is a schematic diagram illustrating a method for wireless communication, in accordance with some embodiments of the present disclosure.
  • FIG. 5 is a schematic diagram illustrating a method for wireless communication, in accordance with some embodiments of the present disclosure.
  • FIG. 6A illustrates a block diagram of an example base station, in accordance with some embodiments of the present disclosure.
  • FIG. 6B illustrates a block diagram of an example UE, in accordance with some embodiments of the present disclosure.
  • 5G wireless communication systems are directed to achieving higher data communication rate (e.g., in Gbps) , massive number of communication links (e.g., 1 M/Km 2 ) , ultra-low latency (e.g., under 1 ms) , higher reliability, and improved energy efficiency (e.g., at least 100 times more efficient than previous systems) .
  • higher data communication rate e.g., in Gbps
  • massive number of communication links e.g., 1 M/Km 2
  • ultra-low latency e.g., under 1 ms
  • improved energy efficiency e.g., at least 100 times more efficient than previous systems
  • Multi-TRP Joint transmission or reception of Multiple Transmission and Reception Point
  • Multi-TRP plays a significant role in increasing the throughput of wireless communication, and is supported by Long Term Evolution-Advanced (LTE-A) and New Radio Access Technology (NR) .
  • LTE-A Long Term Evolution-Advanced
  • NR New Radio Access Technology
  • Multi-Panel transmission has been introduced by NR.
  • Multi-Panel transmission refers to the installation of multiple antenna panels at the receiving and/or transmitting ends to improve the spectrum efficiency of the wireless communication system.
  • the multi-beam transmission or receiving of multi-TRP or multi-panel is an effective way of improving reliability and can improve the wireless communication system, especially the transmission reliability of Ultra-reliable and Low Latency Communications (URLLC) .
  • URLLC Ultra-reliable and Low Latency Communications
  • each Sounding Reference Signal (SRS) resource indicated by SRS Resource Indicator (SRI) corresponds to 1 PUSCH transmission layer. Therefore, the SRI indicates the transmission layers of PUSCH implicitly by indicating several SRS resources. However, when applying multi-TRP and multi-panel transmission with multiple beams, SRI index cannot indicate PUSCH transmission layers implicitly.
  • the gNB may transmit different Physical Downlink Control Channel (PDCCH) with downlink control information (DCI) format 0-0 or 0-1 through different TRPs.
  • PDCCH Physical Downlink Control Channel
  • DCI downlink control information
  • the two DCIs are associated with different CORESETPoolIndex in order for the User Equipment (UE) to distinguish from which TRP the DCIs came.
  • FIG. 1 shows an example UE 101 performing PUSCH repetition, which is illustrated by the plurality of beams 110/120.
  • the UE 101 is sending uplink transmissions over a plurality of beams 110, which includes beam 111, 112, 113, and 114, in communication with base station 102.
  • the UE 101 is also sending uplink transmissions over a plurality of beams 120, which includes beam 121, 122, 123, and 124, in communication with base station 103.
  • each of base station 102 and 103 can be a TRP.
  • the UE 101 being configured with a plurality of beams corresponds to the UE 101 using the plurality of beams to transmit and/or receive data, e.g., to perform uplink repetition (e.g., PUSCH repetition) .
  • uplink repetition e.g., PUSCH repetition
  • the UE can perform PUSCH repetition under some specific conditions. In one embodiment, if the UE receives two DCI format 0-0 or 0-1 that have the same Hybrid Automatic Repeat Request (HARQ) process Identity (ID) and the same New Data Indicator (NDI) but are associated with different CORESETPoolIndex, the UE is expected to transmit PUSCH repetitions to the gNB. In another embodiment, if the UE receives two DCI format 0-0 or 0-1 that have the same HARQ ID but are associated with different CORESETPoolIndex, the UE is expected to transmit PUSCH repetitions.
  • HARQ Hybrid Automatic Repeat Request
  • ID Hybrid Automatic Repeat Request
  • NDI New Data Indicator
  • the UE if the UE receives a beam indication indicating multiple beams corresponding to a single PUSCH transmission layer in the uplink repetition, the UE is expected to transmit PUSCH repetitions. In another embodiment, if the UE is configured with a number of repetitions and then receives a beam indication, the UE is expected to transmit PUSCH repetitions.
  • the UE also determines repetition information, which includes at least one of the beam indication, the transmission pre-coding matrix, power control information, SRS port, PUSCH port, or SRI field size.
  • the UE determines the beam indication using at least one of SRI, the largest rank supported by the UE, the number of beams corresponding to a single PUSCH transmission layer, or the beam diversity indicator.
  • the UE determines the SRI field size according to the largest rank UE can support and the number of beams corresponding to a single layer.
  • the UE determines the transmission precoding matrix based on at least one of the largest rank UE can support, the number of beam indications corresponding to a single layer, the PUSCH transmission time and frequency domain resources, or the number of PUSCH CDM groups.
  • the UE determines the SRS port and PUSCH port based on at least one of the largest rank UE can support, the number of beams corresponding to a single PUSCH transmission layer, the PUSCH transmission time and frequency domain resources, or the number of PUSCH CDM groups.
  • PUSCH repetition refers to the process in which the UE transmits the same data information several times with multiple beams, via at least one of different time domain resources, different frequency domain resources, different CDM groups, or different transmission layers.
  • the beams correspond to one or more of different time domain resources, frequency domain resources, CDM groups, or transmission layers.
  • the UE determines the transmit power as the largest calculated UE transmit power, the lowest calculated UE transmit power, or the average value of all calculated transmit power.
  • the beam used above refers to a spatial domain transmission filter that can be determined by at least one of Transmission Configuration Indicator (TCI) state, a SRI, a Quasi Co-Location (QCL) assumption, an SRS index, a Channel State Information (CSI) Reference Signal (RS) index, or a Synchronization Signal Block (SSB) index.
  • TCI Transmission Configuration Indicator
  • SRI SRI
  • QCL Quasi Co-Location
  • SRS index a Channel State Information (CSI) Reference Signal (RS) index
  • SSB Synchronization Signal Block
  • a DCI can indicate multiple PUSCH beams corresponding to a same layer.
  • the UE can determine that PUSCH repetition is indicated by the DCI. If the transmission layer is configured explicitly, in order to determine (distinguish) the multiple PUSCH beams in the same layer for non-codebook-based uplink transmission, the UE determines whether to transmit PUSCH repetition with multiple beams according to whether the number of SRSs indicated by the SRI is greater than the number of layers.
  • the UE determines whether to transmit PUSCH repetition with multiple beams according to whether the beam diversity command is “on” . In another embodiment, in order to determine (distinguish) the multiple PUSCH beams in the same layer for non-codebook-based uplink transmission, the UE determines whether to transmit PUSCH repetition with multiple beams according to the number of the indicated TCI states, or the number of SRS resources in 1 TCI codepoint.
  • the UE determines whether to transmit PUSCH repetition with multiple beams according to whether different Transmitted Precoding Matrix Indicators (TPMIs) are indicated in a single DCI.
  • TPMIs Transmitted Precoding Matrix Indicators
  • the UE determines whether to transmit PUSCH repetition with multiple beams according to whether the beam diversity command is “on.
  • the UE determines whether to transmit PUSCH repetition with multiple beams according to whether the SRI indicates multiple SRS resources, with the number of SRS resources being larger than the indicated transmission layer. In another embodiment, in order to determine (distinguish) the multiple PUSCH beams in the same layer for codebook-based uplink transmission, the UE determines whether to transmit PUSCH repetition with multiple beams according to whether the UE is configured with multiple TCI states, with the number of TCI states being larger than the indicated transmission layer. The UE uses different beams to correspond to a different PUSCH repetition occasion, each PUSCH repetition occasion associates with different time domain resources and/or frequency domain resources,
  • gNB can configure, for PUSCH transmission explicitly, the transmission layer indicator, beam diversity indicator, or the number of beams corresponding to a single layer. If the beam diversity indicator is configured as ‘on’ or ‘open, ’ the UE assumes that the different PUSCH repetition occasions associate with different sending beams. If the beam diversity indicator is otherwise, the UE assumes that the PUSCH repetition occasions associate with the same indicated sending beam.
  • the number of beams corresponding to a single layer means that several SRS resources may correspond to a single Demodulation Reference Signal (DMRS) port, or several SRS resources with one port each may correspond to a single PUSCH transmission layer.
  • DMRS Demodulation Reference Signal
  • PUSCH repetition with different indicated beams refers to the UE transmitting the same data information several times with multiple sending beams to the gNB, with each indicated beam associated either to a non-overlapping frequency and/or time domain resource allocation, or to an overlapping frequency and time domain resource allocation.
  • the UE is configured for a number of PUSCH repetitions, the UE is expected to transmit PUSCH repetitions with different indicated beams in several situations. In one situation, the UE transmits PUSCH repetitions with different indicated beams if the UE receives a transmission layers indicator and a SRI indicating multiple SRS resources, with the number of indicated SRS resources being greater than the indicated transmission layers.
  • the UE transmits PUSCH repetitions with different indicated beams if the UE receives a transmission layer indicator and beam diversity indicator. In another situation, the UE transmits PUSCH repetitions with different indicated beams if the UE receives a transmission layer indicator and is configured with multiple TCI states, with the number of TCI states being greater than the transmission layers. In another situation, the UE transmits PUSCH repetitions with different indicated beams if the UE receives a transmission layer indicator and one TCI state codepoint associated with several SRS resources, with the number of SRS resources being greater than the transmission layers. In these situations, the UE determines the beam indication of PUSCH based on at least one of the SRI, the largest rank the UE can support, the beam indication corresponding to a single layer, or the beam diversity indicator.
  • the beams referred to above are configured by TCI state, SRI, QCL assumption, SRS index, CSI-RS index, SSB index, spatialrelationinfo, and spatial domain transmission filter.
  • gNB can configure multiple TPMIs to the UE through a single DCI or beam diversity indicator via higher layer signaling.
  • the UE is expected to transmit PUSCH repetitions with different indicated beams in the following situations. In one situation, the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE receives different TPMIs in one TPMI codepoint in the scheduling DCI. In another situation, the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE receives the first TPMI in the scheduling DCI and UE is configured the relationship between the first TPMI and the second TPMI.
  • the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE receives different TPMIs in two TPMI fields in the scheduling DCI. In another situation, the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE receives a beam diversity indicator. In another situation, the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE receives the SRI indicating multiple SRS resources, with the number of SRS resources being greater than the indicated transmission layer. In another situation, the UE is expected to transmit PUSCH repetitions with different indicated beams if the UE is configured with multiple TCI states, with the number of TCI states being greater than the indicated transmission layer.
  • the DCI indicates the Modulation and Coding Scheme (MCS) of the first PUSCH transmission occasion, and the UE determines the MCS and Transport Block Size (TBsize) of the second PUSCH transmission according to the first PUSCH transmission occasion.
  • MCS Modulation and Coding Scheme
  • TBsize Transport Block Size
  • the second PUSCH transmission occasion can have the same MCS and TBsize as the first PUSCH transmission occasion.
  • the first PUSCH transmission occasion is the PUSCH repetition associated with one transport block
  • the second PUSCH transmission occasion is the PUSCH repetition associated with another transport block.
  • the first PUSCH transmission occasion is the PUSCH repetition associated with the first indicated beam
  • the second PUSCH transmission occasion is the PUSCH repetition associated with the second indicated beam.
  • the beam used above refers to a spatial domain transmission filter that can be determined by at least one of the TCI states, spatialrelationinfo, SRI, QCL, SRS index, CSI RS index, or SSB index.
  • the rest two parameters can be determined accordingly.
  • the above SRI index indicates one or multiple SRS resources.
  • the number of layers and the SRI index can be used to determine the number of beams corresponding to a layer.
  • the number of beams corresponding to a layer and the SRI index can be used to determine the number of layers.
  • the beam diversity and the SRI index can be used to determine that, for example, a layer corresponds to two beams, and the number of layers can be determined based on the SRI index and the number of beams corresponding to a layer.
  • the network can transmit a SRI index to the UE to indicate the number of layers used to transmit PUSCHs, whether to use beam diversity, and so on. Accordingly, the network (e.g., a base station, plurality of base stations) can indicate different SRI indexes to allow the UE to flexibly switch to different layers and/or beam diversity settings.
  • the SRI index can also be a SRI codepoint.
  • a number of beams corresponding to a layer (a number of SRS resources) , or configuration of beam diversity commands can be preconfigured.
  • L max 2
  • N SRS 4
  • SRI indicates the codepoint including ‘0, 1’ , ‘0, 2’ , ‘0, 3’ , ‘1, 2’ , ‘1, 3’ , and ‘2, 3’ .
  • the UE determines that the PUSCH transmission is a single-layer transmission, and that different PUSCH repetition occasions correspond to different indicated beams.
  • the UE determines that the number of transmission layers of the PUSCH is 2, that each layer corresponds to a beam, and that the beams of all PUSCH repetition occasions are the same.
  • gNB configures at least one of the following explicitly: the transmission layer indicator L such that 1 ⁇ L ⁇ 4, the beam diversity indicator q with the value 0 or 1, or the number of beams s corresponding to a single layer, such that s ⁇ 1.
  • the above parameters can be configured through Radio Resource Control (RRC) , MAC-CE, or DCI.
  • RRC Radio Resource Control
  • FIG. 2 is a SRI indication table for non-codebook-based PUSCH transmissions, according to an example embodiment.
  • the size of the SRI field in DCI format 0-1 can be changed, for example, as the following equation:
  • L max refers to the maximum number of transmission layers
  • s refers to the number of beams corresponding to a single layer
  • N SRS refers to the number of SRS resources indicated by the SRI index.
  • the beam used above refers to the spatial domain transmission filter that can be determined by at least one of TCI states, SRI, QCL assumption, spatialrelationinfo, SRS index, CSI-RS index, or SSB index.
  • FIG. 3 is a SRI indication comparison table based on non-codebook-based PUSCH transmissions. As shown in FIG. 3, if 1 SRI codepoint indicates 2 SRS resources, the UE assumes the PUSCH transmission is 1 layer, and if RRC or DCI indicates the number of PUSCH repetitions, the 2 SRS beams are associated with different PUSCH transmission occasions.
  • 1 SRI codepoint indicates 4 SRS resources
  • the UE assumes the PUSCH transmission is 2 layers, and if RRC or DCI indicates the number of PUSCH repetitions, the 4 SRS beams are grouped and associated with different PUSCH transmission occasions, respectively.
  • N SRS 4
  • the UE assumes single layer PUSCH transmission with 2 SRS beams corresponding to different PUSCH transmission occasions.
  • the UE receives SRI between 6 and 8
  • the UE assumes 2 layer PUSCH transmission with 4 SRS beams, with the first 2 beams and the second 2 beams corresponding to different PUSCH transmission occasions.
  • the UE will transmit PUSCH using the same antenna port (s) as the SRS port (s) in the SRS resource (s) indicated by SRI (s) given by the DCI format 0-1 or by a configured grant, where the SRS port in the SRS resource set is the same for a single layer or DMRS port.
  • CDM Code Division Multiplexing
  • the SRS ports of the PUSCH transmissions that correspond to a single layer have a same port index. In another embodiment, the PUSCH ports of the PUSCH transmissions that correspond to a single layer have a same port index.
  • the precoding matrix of PUSCH transmissions is equal to the identity matrix.
  • the layer is indicated with 2 beams, such that the layer corresponds to 2 SRS resources with the same SRS port index, or 1 DMRS port corresponds to 2 SRS resources with the same SRS port index. If the PUSCH transmission is 2 layers, each layer is indicated with 2 beams, such that each layer corresponds to 2 SRS resources with the same SRS port index, with a different layer corresponding to different SRS port indexes.
  • layer 1 may correspond to SRS0 and SRS1 with SRS port index 1000
  • layer 2 may correspond to SRS2 and SRS3 with SRS port index 1001.
  • the first PUSCH transmission occasion has 2 layers, with sending beams of SRS0 and SRS2 and SRS port index 1000 and 1001, respectively.
  • the second PUSCH transmission occasion has 2 layers, with sending beams of SRS1 and SRS3, SRS port index 1000 and 1001.
  • Different PUSCH transmission occasions correspond to non-overlapping time and/or frequency domain resources.
  • the UE decides the precoding matrix for PUSCH transmission according to rank information and beam indication.
  • the PUSCH repetitions are configured with multiple beams corresponding to a single layer or DMRS port
  • the PUSCH DMRS port (s) is indicated within one CDM group in the DCI field “Antenna Port (s) , ” if PUSCH repetition occasions have non-overlapping time and/or frequency domain resources, or in in response to determining that PUSCH repetition occasions have overlapping time and frequency domain resources, the precoding matrix W is no longer the identity matrix and is to be expanded.
  • the number of rows in W is equal to a product of the number of beam indications per layer and the number of transmission layers, and the number of columns is equal to the number of transmission layers.
  • the precoding matrix can be given as If the PUSCH transmission is 2 layers and the number of beams per layer is 2, the precoding matrix can be given as:
  • the different transmitting power of different beams towards 2 TRPs is determined as 1 transmitting power for the PUSCH transmitting to 2 TRPs using the same time and frequency resources as the same DMRS port (s) .
  • the UE determines the transmit power of the PUSCH transmitting to 2 TRPs using the same time and frequency resources and the same DMRS port (s) according to different sets of power control parameters.
  • These power control parameters include pathloss reference RS id, p0, and a closed-loop power control parameter.
  • each beam is associated with a set of power control parameters, and the final transmit power can be determined by at least one of the largest calculated UE transmit power, the lowest calculated UE transmit power, or the average value of all calculated transmit power.
  • the calculated UE transmit power can be determined by the set of power control parameters mentioned above.
  • the final sending slot of SRS resources or Channel State Information Reference Signal is determined as a sum of the configured triggering offset and the slot offset.
  • the triggering offset between the slot containing the DCI that triggers a set of aperiodic non-zero-power (NZP) CSI-RS and the slot in which the CSI-RS resource set is transmitted, is defined as aperiodicTriggeringOffset or aperiodicTriggeringOffsetExt-r16 in NZP-CSI-RS-ResourceSet.
  • slotOffset in SRS-ResourceSet defines the triggering offset as the number of slots between the triggering DCI and the actual transmission of the SRS-ResourceSet.
  • the slot offset which can also be associated with CORESETPoolIndex, is determined by DCI using high-level parameters and is adjusted to ensure the same reference signal triggering time when multiple DCIs are configured.
  • the slot offset can be configured directly in DCI command, or the slot offset can be configured directly in a higher layer parameter.
  • the higher layer parameter can configure a slot offset pool indicating multiple slot offset values, and the DCI chooses one of these slot offset values for the scheduling reference signal.
  • These higher layer parameters can be RRC parameters such as ControlResourceSet, SearchSpace, NZP-CSI-RS-Resource, SRS-Resource, NZP-CSI-RS-ResourceSet, or SRS-ResourceSet.
  • FIG. 4 is a schematic diagram illustrating a method 400 for wireless communication, in accordance with some embodiments.
  • the method 400A is performed by a UE, which corresponds to UE 101 of FIG. 1.
  • the UE determines that a condition has been satisfied. These conditions are evaluated at 412, 414, 416, and 418.
  • the UE receives DCIs from the network that have different CORESETPoolIndex values but the same HARQ ID and the same NDI.
  • the UE receives DCIS from the network that have different CORESETPoolIndex values but the same HARQ ID.
  • the UE receives a beam indication indicating multiple beams corresponding to a single PUSCH transmission layer used in uplink repetition.
  • the UE receives a beam indication comprising parameters that define multiple beams.
  • the UE performs uplink repetition based on repetition information at step 420.
  • the uplink repetition at 420 corresponds to the plurality of beams 110 and 120 of FIG. 1.
  • the repetition information is given at 421 and includes beam information, transmission precoding matrix, transmission precoding matrix indicator (TPMI) , power control information, SRS port, PUSCH port, or SRI field size.
  • TPMI transmission precoding matrix indicator
  • FIG. 5 is a schematic diagram illustrating a method 500 for wireless communication, in accordance with some embodiments.
  • the method 500 is performed by a base station or TRP, which corresponds to base station 102 and 103 from FIG. 1.
  • the base station transmits condition information. This condition information is established at 512, 514, 516, and 518.
  • the base station transmits DCIs having different CORESETPoolIndex values but the same HARQ ID and the same NDI.
  • the base station transmits DCIs having different CORESETPoolIndex values but the same HARQ ID.
  • the base station transmits a beam indication indicating multiple beams corresponding to a single PUSCH transmission layer used in uplink repetition.
  • the base station transmits a beam indication indicating multiple beams used in the uplink repetition.
  • the base station receives uplink repetition from the UE at 520.
  • the uplink repetition at 520 corresponds to the plurality of beams 110 and 120 from FIG. 1.
  • the uplink repetition at 520 is based on repetition information, which is itself determined based on the condition information from 512, 514, 516, or 518.
  • FIG. 6A illustrates a block diagram of an example base station 602, in accordance with some embodiments of the present disclosure.
  • FIG. 6B illustrates a block diagram of an example UE 601, in accordance with some embodiments of the present disclosure.
  • the UE 601 e.g., a wireless communication device, a terminal, a mobile device, a mobile user, and so on
  • the base station 602 is an example implementation of the base station (s) described herein.
  • the base station 602 and the UE 601 can include components and elements configured to support known or conventional operating features that need not be described in detail herein.
  • the base station 602 and the UE 601 can be used to communicate (e.g., transmit and receive) data symbols in a wireless communication environment, as described above.
  • the base station 602 can be a base station (e.g., gNB, eNB, and so on) , a server, a node, or any suitable computing device used to implement various network functions.
  • the base station 602 includes a transceiver module 610, an antenna 612, a processor module 614, a memory module 616, and a network communication module 618.
  • the module 610, 612, 614, 616, and 618 are operatively coupled to and interconnected with one another via a data communication bus 620.
  • the UE 601 includes a UE transceiver module 630, a UE antenna 632, a UE memory module 634, and a UE processor module 636.
  • the modules 630, 632, 634, and 636 are operatively coupled to and interconnected with one another via a data communication bus 640.
  • the base station 602 communicates with the UE 601 or another base station via a communication channel, which can be any wireless channel or other medium suitable for transmission of data as described herein.
  • the base station 602 and the UE 601 can further include any number of modules other than the modules shown in FIGS. 6A and 6B.
  • the various illustrative blocks, modules, circuits, and processing logic described in connection with the embodiments disclosed herein can be implemented in hardware, computer-readable software, firmware, or any practical combination thereof.
  • various illustrative components, blocks, modules, circuits, and steps are described generally in terms of their functionality. Whether such functionality is implemented as hardware, firmware, or software can depend upon the particular application and design constraints imposed on the overall system.
  • the embodiments described herein can be implemented in a suitable manner for each particular application, but any implementation decisions should not be interpreted as limiting the scope of the present disclosure.
  • the UE transceiver 630 includes a radio frequency (RF) transmitter and a RF receiver each including circuitry that is coupled to the antenna 632.
  • a duplex switch (not shown) may alternatively couple the RF transmitter or receiver to the antenna in time duplex fashion.
  • the transceiver 610 includes an RF transmitter and a RF receiver each having circuity that is coupled to the antenna 612 or the antenna of another base station.
  • a duplex switch may alternatively couple the RF transmitter or receiver to the antenna 612 in time duplex fashion.
  • the operations of the two transceiver modules 610 and 630 can be coordinated in time such that the receiver circuitry is coupled to the antenna 632 for reception of transmissions over a wireless transmission link at the same time that the transmitter is coupled to the antenna 612. In some embodiments, there is close time synchronization with a minimal guard time between changes in duplex direction.
  • the UE transceiver 630 and the transceiver 610 are configured to communicate via the wireless data communication link, and cooperate with a suitably configured RF antenna arrangement 612/632 that can support a particular wireless communication protocol and modulation scheme.
  • the UE transceiver 610 and the transceiver 610 are configured to support industry standards such as the Long Term Evolution (LTE) and emerging 5G standards, and the like. It is understood, however, that the present disclosure is not necessarily limited in application to a particular standard and associated protocols. Rather, the UE transceiver 630 and the base station transceiver 610 may be configured to support alternate, or additional, wireless data communication protocols, including future standards or variations thereof.
  • the transceiver 610 and the transceiver of another base station are configured to communicate via a wireless data communication link, and cooperate with a suitably configured RF antenna arrangement that can support a particular wireless communication protocol and modulation scheme.
  • the transceiver 610 and the transceiver of another base station are configured to support industry standards such as the LTE and emerging 5G standards, and the like. It is understood, however, that the present disclosure is not necessarily limited in application to a particular standard and associated protocols. Rather, the transceiver 610 and the transceiver of another base station may be configured to support alternate, or additional, wireless data communication protocols, including future standards or variations thereof.
  • the base station 602 may be a base station such as but not limited to, an eNB, a serving eNB, a target eNB, a femto station, or a pico station, for example.
  • the base station 602 can be an RN, a regular, a DeNB, or a gNB.
  • the UE 601 may be embodied in various types of user devices such as a mobile phone, a smart phone, a personal digital assistant (PDA) , tablet, laptop computer, wearable computing device, etc.
  • PDA personal digital assistant
  • the processor modules 614 and 636 may be implemented, or realized, with a general purpose processor, a content addressable memory, a digital signal processor, an application specific integrated circuit, a field programmable gate array, any suitable programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, designed to perform the functions described herein.
  • a processor may be realized as a microprocessor, a controller, a microcontroller, a state machine, or the like.
  • a processor may also be implemented as a combination of computing devices, e.g., a combination of a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other such configuration.
  • the method or algorithm disclosed herein can be embodied directly in hardware, in firmware, in a software module executed by processor modules 614 and 636, respectively, or in any practical combination thereof.
  • the memory modules 616 and 634 may be realized as 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.
  • memory modules 616 and 634 may be coupled to the processor modules 614 and 636, respectively, such that the processors modules 614 and 636 can read information from, and write information to, memory modules 616 and 634, respectively.
  • the memory modules 616 and 634 may also be integrated into their respective processor modules 614 and 636.
  • the memory modules 616 and 634 may each include a cache memory for storing temporary variables or other intermediate information during execution of instructions to be executed by processor modules 614 and 636, respectively.
  • Memory modules 616 and 634 may also each include non-volatile memory for storing instructions to be executed by the processor modules 614 and 636, respectively.
  • the network communication module 618 generally represents the hardware, software, firmware, processing logic, and/or other components of the base station 602 that enable bi-directional communication between the transceiver 610 and other network components and communication nodes in communication with the base station 602.
  • the network communication module 618 may be configured to support internet or WiMAX traffic.
  • the network communication module 618 provides an 802.3 Ethernet interface such that the transceiver 610 can communicate with a conventional Ethernet based computer network.
  • the network communication module 618 may include a physical interface for connection to the computer network (e.g., Mobile Switching Center (MSC) ) .
  • the network communication module 618 includes a fiber transport connection configured to connect the base station 602 to a core network.
  • any reference to an element herein using a designation such as “first, “ “second, “ and so forth does not generally limit the quantity or order of those elements. Rather, these designations can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements can be employed, or that the first element must precede the second element in some manner.
  • any of the various illustrative logical blocks, modules, processors, means, circuits, methods and functions described in connection with the aspects disclosed herein can be implemented by electronic hardware (e.g., a digital implementation, an analog implementation, or a combination of the two) , firmware, various forms of program or design code incorporating instructions (which can be referred to herein, for convenience, as "software” or a "software module) , or any combination of these techniques.
  • firmware e.g., a digital implementation, an analog implementation, or a combination of the two
  • firmware various forms of program or design code incorporating instructions
  • software or a “software module”
  • IC integrated circuit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the logical blocks, modules, and circuits can further include antennas and/or transceivers to communicate with various components within the network or within the device.
  • a general purpose processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, or state machine.
  • a processor can also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other suitable configuration to perform the functions described herein.
  • Computer-readable media includes both computer storage media and communication media including any medium that can be enabled to transfer a computer program or code from one place to another.
  • a storage media can be any available media that can be accessed by a computer.
  • such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • module refers to software, firmware, hardware, and any combination of these elements for performing the associated functions described herein. Additionally, for purpose of discussion, the various modules are described as discrete modules; however, as would be apparent to one of ordinary skill in the art, two or more modules may be combined to form a single module that performs the associated functions according embodiments of the present solution.
  • memory or other storage may be employed in embodiments of the present solution.
  • memory or other storage may be employed in embodiments of the present solution.
  • any suitable distribution of functionality between different functional units, processing logic elements or domains may be used without detracting from the present solution.
  • functionality illustrated to be performed by separate processing logic elements, or controllers may be performed by the same processing logic element, or controller.
  • references to specific functional units are only references to a suitable means for providing the described functionality, rather than indicative of a strict logical or physical structure or organization.

Landscapes

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

Abstract

L'invention concerne des systèmes et des procédés de communications sans fil. Un dispositif de communication sans fil détermine si une condition a été satisfaite. En réponse à la détermination selon laquelle la condition a été satisfaite, le dispositif de communication sans fil effectue une répétition de liaison montante telle qu'une répétition de canal partagé de liaison montante physique (PUSCH).
PCT/CN2020/099254 2020-06-30 2020-06-30 Systèmes et procédés pour déterminer des informations de transmission WO2022000262A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080102595.5A CN115804187A (zh) 2020-06-30 2020-06-30 传输信息的确定系统和方法
PCT/CN2020/099254 WO2022000262A1 (fr) 2020-06-30 2020-06-30 Systèmes et procédés pour déterminer des informations de transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/099254 WO2022000262A1 (fr) 2020-06-30 2020-06-30 Systèmes et procédés pour déterminer des informations de transmission

Publications (1)

Publication Number Publication Date
WO2022000262A1 true WO2022000262A1 (fr) 2022-01-06

Family

ID=79317694

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/099254 WO2022000262A1 (fr) 2020-06-30 2020-06-30 Systèmes et procédés pour déterminer des informations de transmission

Country Status (2)

Country Link
CN (1) CN115804187A (fr)
WO (1) WO2022000262A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023173378A1 (fr) * 2022-03-17 2023-09-21 Nec Corporation Procédé, dispositif et support lisible par ordinateur relatifs aux communications
WO2023202717A1 (fr) * 2022-04-22 2023-10-26 大唐移动通信设备有限公司 Procédé de transmission de données de liaison montante et dispositif terminal
WO2023201666A1 (fr) * 2022-04-21 2023-10-26 Zte Corporation Transmissions de signal de référence de sondage pour des émetteurs de liaison montante massifs
WO2023201700A1 (fr) * 2022-04-22 2023-10-26 Lenovo (Beijing) Limited Commande de puissance pour transmission simultanée de canaux pusch dans une cellule
WO2024000227A1 (fr) * 2022-06-29 2024-01-04 Qualcomm Incorporated Capacité d'équipement utilisateur sur un nombre maximal de couches prises en charge pour des transmissions de liaison montante simultanées
WO2024008151A1 (fr) * 2022-07-08 2024-01-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Appareil et procédés de transmission en liaison montante avec de multiples états de tci
WO2024016979A1 (fr) * 2022-07-22 2024-01-25 华为技术有限公司 Procédé et appareil de communication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013191433A1 (fr) * 2012-06-19 2013-12-27 Samsung Electronics Co., Ltd. Procédé et dispositif pour la transmission de données sur la liaison montante (ul) dans un système tdd, avec prise en charge de la direction de duplexage d'une sous-trame modifiée de façon souple
CN110178337A (zh) * 2019-04-09 2019-08-27 北京小米移动软件有限公司 数据反馈、传输方法及装置、基站和用户设备
CN110798286A (zh) * 2018-08-03 2020-02-14 电信科学技术研究院有限公司 一种数据重传方法、装置及终端
CN111279774A (zh) * 2017-08-10 2020-06-12 夏普株式会社 用于不具有授权的上行链路传输的过程、基站和用户设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013191433A1 (fr) * 2012-06-19 2013-12-27 Samsung Electronics Co., Ltd. Procédé et dispositif pour la transmission de données sur la liaison montante (ul) dans un système tdd, avec prise en charge de la direction de duplexage d'une sous-trame modifiée de façon souple
CN111279774A (zh) * 2017-08-10 2020-06-12 夏普株式会社 用于不具有授权的上行链路传输的过程、基站和用户设备
CN110798286A (zh) * 2018-08-03 2020-02-14 电信科学技术研究院有限公司 一种数据重传方法、装置及终端
CN110178337A (zh) * 2019-04-09 2019-08-27 北京小米移动软件有限公司 数据反馈、传输方法及装置、基站和用户设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
VIVO: "PUSCH enhancements for URLLC", 3GPP DRAFT; R1-1812314, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 16 November 2018 (2018-11-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , pages 1 - 4, XP051478503 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023173378A1 (fr) * 2022-03-17 2023-09-21 Nec Corporation Procédé, dispositif et support lisible par ordinateur relatifs aux communications
WO2023201666A1 (fr) * 2022-04-21 2023-10-26 Zte Corporation Transmissions de signal de référence de sondage pour des émetteurs de liaison montante massifs
WO2023202717A1 (fr) * 2022-04-22 2023-10-26 大唐移动通信设备有限公司 Procédé de transmission de données de liaison montante et dispositif terminal
WO2023201700A1 (fr) * 2022-04-22 2023-10-26 Lenovo (Beijing) Limited Commande de puissance pour transmission simultanée de canaux pusch dans une cellule
WO2024000227A1 (fr) * 2022-06-29 2024-01-04 Qualcomm Incorporated Capacité d'équipement utilisateur sur un nombre maximal de couches prises en charge pour des transmissions de liaison montante simultanées
WO2024008151A1 (fr) * 2022-07-08 2024-01-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Appareil et procédés de transmission en liaison montante avec de multiples états de tci
WO2024016979A1 (fr) * 2022-07-22 2024-01-25 华为技术有限公司 Procédé et appareil de communication

Also Published As

Publication number Publication date
CN115804187A (zh) 2023-03-14

Similar Documents

Publication Publication Date Title
WO2022000262A1 (fr) Systèmes et procédés pour déterminer des informations de transmission
CN108260217B (zh) 一种信息传输的方法、装置和通信节点
US20230371042A1 (en) Systems and methods for indication of phase tracking reference signal-demodulation reference signal association
WO2021253452A1 (fr) Procédé de transmission d'informations de commande
US20230012515A1 (en) Multiple transmission reception point signaling
US20230046553A1 (en) Systems and methods for uplink transmission switching
WO2022147755A1 (fr) Indicateurs de configuration de transmission unifiés dans des environnements à multiples points de transmission et de réception
WO2023000132A1 (fr) Systèmes et procédés pour activer un état de faisceau dans des systèmes de communication sans fil
CN117614594A (zh) 用于多trp操作中的基于单个cg的上行传输的方法和系统
WO2023010520A1 (fr) Systèmes et procédés de transmission en liaison montante dans de multipes points de transmission-réception et scénarios à panneaux multiples
CN115004602A (zh) 用于确定下行链路控制信息的系统和方法
WO2024103529A1 (fr) Systèmes et procédés de détermination d'informations de contrôle de liaison descendante
WO2024098576A1 (fr) Systèmes et procédés de rapport de capacité d'équipement utilisateur
US20230300833A1 (en) Systems and methods of pusch transmission in single dci based multi-trp operation
WO2023039704A1 (fr) Systèmes et procédés de transmission non basée sur un livre de codes
WO2022133929A9 (fr) Système et procédé de commande de puissance dans des transmissions de liaison montante
WO2023077407A1 (fr) Gestion de communications par faisceaux entre cellules
WO2022082695A1 (fr) Procédés de mise à jour d'état de faisceau pour transmission sur liaison montante
WO2023130250A1 (fr) Systèmes, procédés et supports non transitoires lisibles par processeur pour une commutation de mode dans des réseaux de communication sans fil
WO2024026691A1 (fr) Systèmes, procédés et supports lisibles par ordinateur non transitoires pour une commutation de mode de transmission
US20240048346A1 (en) Systems and methods for uplink transmission scheme in multi-trp operation
WO2022205302A1 (fr) Procédé et appareil de transmission pusch avec répétitions
US20220321302A1 (en) Method for reference signal configuration
US20230017176A1 (en) System and method for determining transmission information
CN116762392A (zh) 用于基于参考信号确定准共址信息的系统和方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20943002

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 17/05/2023)

122 Ep: pct application non-entry in european phase

Ref document number: 20943002

Country of ref document: EP

Kind code of ref document: A1