WO2022257104A1 - Procédés, appareils et support lisible par ordinateur pour une retransmission autonome - Google Patents

Procédés, appareils et support lisible par ordinateur pour une retransmission autonome Download PDF

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Publication number
WO2022257104A1
WO2022257104A1 PCT/CN2021/099651 CN2021099651W WO2022257104A1 WO 2022257104 A1 WO2022257104 A1 WO 2022257104A1 CN 2021099651 W CN2021099651 W CN 2021099651W WO 2022257104 A1 WO2022257104 A1 WO 2022257104A1
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WIPO (PCT)
Prior art keywords
configured grant
value
retransmission
resources
channel characteristics
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/099651
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English (en)
Inventor
Ping-Heng Kuo
Roberto Maldonado
Zexian Li
Tao Tao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
Nokia Technologies Oy
Original Assignee
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
Nokia Technologies Oy
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Application filed by Nokia Shanghai Bell Co Ltd, Nokia Solutions and Networks Oy, Nokia Technologies Oy filed Critical Nokia Shanghai Bell Co Ltd
Priority to PCT/CN2021/099651 priority Critical patent/WO2022257104A1/fr
Priority to CN202180099226.XA priority patent/CN117501647A/zh
Publication of WO2022257104A1 publication Critical patent/WO2022257104A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • 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
    • H04L1/188—Time-out mechanisms

Definitions

  • Various embodiments relate to methods, apparatuses, and computer readable media for autonomous retransmission.
  • a user equipment When a user equipment (UE) performs a transmission of a transport block (TB) on a configured grant (CG) physical uplink shared channel (PUSCH) , the UE may start a CG retransmission timer (CGRT) .
  • DFI downlink feedback information
  • HARQ hybrid automatic repeat request
  • the UE may select another CG occasion and transmit the same TB autonomously again once the CGRT is expired.
  • This procedure may continue until a CG timer is also expired so the TB is flushed away from the HARQ buffer.
  • a delivery deadline is reached before the UE can try an autonomous retransmission e.g. for the second time, data in the TB may not be delivered on time if the autonomous retransmission for the first time fails.
  • the method may include performing an initial transmission of a transport block on an initial configured grant resource and starting a configured grant retransmission timer with a first value when performing the initial transmission, selecting a plurality of configured grant resources based on at least one criterion related to configured grant resource selection in a case of absence of downlink feedback information during the configured grant retransmission timer with the first value, and performing at least one retransmission of the transport block on the selected plurality of configured grant resources.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one criterion, the number of the configured grant resources, and/or the configured grant retransmission timer may be configured by a network apparatus.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the method may further include selecting the identical identifier of the hybrid automatic repeat request process for the selected plurality of configured grant resources.
  • the method may further include restarting the configured grant retransmission timer with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the method may further include restarting the configured grant retransmission timer with a third value after performing the at least one retransmission, and the third value may be smaller than the first value, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the selecting a plurality of configured grant resources may include selecting one configured grant resource based on the at least one criterion, and the at least one retransmission may be performed on the selected one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission.
  • the method may include configuring at least one criterion related to configured grant resource selection, the number of configured grant resources for at least one retransmission of a transport block, and/or a configured grant retransmission timer with at least one value, and transmitting a configuration of the at least one criterion, the configured number of the configured grant resources and/or a configuration of the configured grant retransmission timer.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one value may include a first value, and the configured grant retransmission timer with the first value may be started when an initial transmission of the transport block is performed on an initial configured grant resource.
  • the at least one retransmission may be performed on the plurality of configured grant resources selected based on the at least one criterion.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the at least one value may further include a second value
  • the configured grant retransmission timer with the second value may be restarted after the at least one retransmission is performed, and the second value may be equal to or smaller than the first value.
  • the at least one value may further include a third value, the third value may be smaller than the first value, and the configured grant retransmission timer with the third value may be restarted after the at least one retransmission is performed, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the at least one retransmission may be performed on one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission in the configured grant resource selection.
  • the apparatus may include at least one processor and at least one memory.
  • the at least one memory may include computer program code, and the at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus to perform performing an initial transmission of a transport block on an initial configured grant resource and starting a configured grant retransmission timer with a first value when performing the initial transmission, selecting a plurality of configured grant resources based on at least one criterion related to configured grant resource selection in a case of absence of downlink feedback information during the configured grant retransmission timer with the first value, and performing at least one retransmission of the transport block on the selected plurality of configured grant resources.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one criterion, the number of the configured grant resources, and/or the configured grant retransmission timer may be configured by a network apparatus.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the at least one memory and the computer program code may be further configured to, with the at least one processor, cause the apparatus to further perform selecting the identical identifier of the hybrid automatic repeat request process for the selected plurality of configured grant resources.
  • the at least one memory and the computer program code may be further configured to, with the at least one processor, cause the apparatus to further perform restarting the configured grant retransmission timer with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the at least one memory and the computer program code may be further configured to, with the at least one processor, cause the apparatus to further perform restarting the configured grant retransmission timer with a third value after performing the at least one retransmission, and the third value may be smaller than the first value, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the selecting a plurality of configured grant resources may include selecting one configured grant resource based on the at least one criterion, and the at least one retransmission may be performed on the selected one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission.
  • the apparatus may include at least one processor and at least one memory.
  • the at least one memory may include computer program code, and the at least one memory and the computer program code may be configured to, with the at least one processor, cause the apparatus to perform configuring at least one criterion related to configured grant resource selection, the number of configured grant resources for at least one retransmission of a transport block, and/or a configured grant retransmission timer with at least one value, and transmitting a configuration of the at least one criterion, the configured number of the configured grant resources and/or a configuration of the configured grant retransmission timer.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one value may include a first value, and the configured grant retransmission timer with the first value may be started when an initial transmission of the transport block is performed on an initial configured grant resource.
  • the at least one retransmission may be performed on the plurality of configured grant resources selected based on the at least one criterion.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the at least one value further may include a second value
  • the configured grant retransmission timer with the second value may be restarted after the at least one retransmission is performed, and the second value may be equal to or smaller than the first value.
  • the at least one value may further include a third value, the third value may be smaller than the first value, and the configured grant retransmission timer with the third value may be restarted after the at least one retransmission is performed, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the at least one retransmission may be performed on one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission in the configured grant resource selection.
  • the apparatus may include means for performing an initial transmission of a transport block on an initial configured grant resource and starting a configured grant retransmission timer with a first value when performing the initial transmission, means for selecting a plurality of configured grant resources based on at least one criterion related to configured grant resource selection in a case of absence of downlink feedback information during the configured grant retransmission timer with the first value, and means for performing at least one retransmission of the transport block on the selected plurality of configured grant resources.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one criterion, the number of the configured grant resources, and/or the configured grant retransmission timer may be configured by a network apparatus.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the apparatus may further include means for selecting the identical identifier of the hybrid automatic repeat request process for the selected plurality of configured grant resources.
  • the apparatus may further include means for restarting the configured grant retransmission timer with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the apparatus may further include means for restarting the configured grant retransmission timer with a third value after performing the at least one retransmission, and the third value may be smaller than the first value, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the means for selecting a plurality of configured grant resources may include means for selecting one configured grant resource based on the at least one criterion, and the at least one retransmission may be performed on the selected one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission.
  • the apparatus may include means for configuring at least one criterion related to configured grant resource selection, the number of configured grant resources for at least one retransmission of a transport block, and/or a configured grant retransmission timer with at least one value, and means for transmitting a configuration of the at least one criterion, the configured number of the configured grant resources and/or a configuration of the configured grant retransmission timer.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one value may include a first value, and the configured grant retransmission timer with the first value may be started when an initial transmission of the transport block is performed on an initial configured grant resource.
  • the at least one retransmission may be performed on the plurality of configured grant resources selected based on the at least one criterion.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the at least one value may further include a second value
  • the configured grant retransmission timer with the second value may be restarted after the at least one retransmission is performed, and the second value may be equal to or smaller than the first value.
  • the at least one value may further include a third value, the third value may be smaller than the first value, and the configured grant retransmission timer with the third value may be restarted after the at least one retransmission is performed, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the at least one retransmission may be performed on one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission in the configured grant resource selection.
  • a computer readable medium may include instructions stored thereon for causing an apparatus to perform performing an initial transmission of a transport block on an initial configured grant resource and starting a configured grant retransmission timer with a first value when performing the initial transmission, selecting a plurality of configured grant resources based on at least one criterion related to configured grant resource selection in a case of absence of downlink feedback information during the configured grant retransmission timer with the first value, and performing at least one retransmission of the transport block on the selected plurality of configured grant resources.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one criterion, the number of the configured grant resources, and/or the configured grant retransmission timer may be configured by a network apparatus.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the computer readable medium may further include instructions stored thereon for causing an apparatus to further perform selecting the identical identifier of the hybrid automatic repeat request process for the selected plurality of configured grant resources.
  • the computer readable medium may further include instructions stored thereon for causing an apparatus to further perform restarting the configured grant retransmission timer with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the computer readable medium may further include instructions stored thereon for causing an apparatus to further perform restarting the configured grant retransmission timer with a third value after performing the at least one retransmission, and the third value may be smaller than the first value, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the selecting a plurality of configured grant resources may include selecting one configured grant resource based on the at least one criterion, and the at least one retransmission may be performed on the selected one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission.
  • a computer readable medium may include instructions stored thereon for causing an apparatus to perform configuring at least one criterion related to configured grant resource selection, the number of configured grant resources for at least one retransmission of a transport block, and/or a configured grant retransmission timer with at least one value, and transmitting a configuration of the at least one criterion, the configured number of the configured grant resources and/or a configuration of the configured grant retransmission timer.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the at least one value may include a first value, and the configured grant retransmission timer with the first value may be started when an initial transmission of the transport block is performed on an initial configured grant resource.
  • the at least one retransmission may be performed on the plurality of configured grant resources selected based on the at least one criterion.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the at least one value may further include a second value
  • the configured grant retransmission timer with the second value may be restarted after the at least one retransmission is performed, and the second value may be equal to or smaller than the first value.
  • the at least one value may further include a third value, the third value may be smaller than the first value, and the configured grant retransmission timer with the third value may be restarted after the at least one retransmission is performed, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the at least one retransmission may be performed on one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission in the configured grant resource selection.
  • FIG. 1 shows an exemplary sequence chart for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • Fig. 2 shows an exemplary schematic diagram for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 3 shows an exemplary flow 300 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • Fig. 4 shows an exemplary schematic diagram for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 5 shows a flow chart illustrating an example method 500 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 6 shows a flow chart illustrating an example method 600 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 7 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 8 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 9 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • FIG. 10 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • a shorter CGRT may be configured such that the retransmission can be attempted more rapidly and frequently, however, the shorter CGRT itself may result in unnecessary retransmissions that may lead to interference to other co-existing technologies such as Wi-Fi.
  • the probability where the TB can be successfully transmitted before the delivery deadline may be increased with less or no unnecessary interference according to the embodiments of the present disclosure.
  • FIG. 1 shows an exemplary sequence chart for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • a UE 110 may be the UE to transmit data in a TB
  • a network apparatus 120 may be an apparatus in a base station (BS) in radio access network (RAN) to receive the data in the TB.
  • the UE 110 is located in a cell the network apparatus 120 covers.
  • the network apparatus 120 may configure at least one criterion 135 related to CG resource selection, a number M of CG resources for at least one retransmission of a TB, and/or a CGRT 140 with at least one value. Then, the network apparatus 120 may transmit a configuration of the at least one criterion 135, the number M of CG resources and/or a configuration of the CGRT 140 to the UE 110.
  • the at least one criterion 135, the number M of the CG resources and/or the CGRT 140 may be preconfigured at the UE 110, and in this case the network apparatus 120 may not perform the operation 130 to make such a configuration and may not transmit the configuration to the UE 110.
  • part of the at least one criterion 135, the number M of the CG resources, and the CGRT 140 may be preconfigured at the UE 110.
  • the network apparatus 120 may configure the other part of the at least one criterion 135, the number M of the CG resources, and the CGRT 140, and then transmit the configured other part of the at least one criterion 135, the number M of the CG resources, and the CGRT 140 to the UE 110.
  • the UE 110 may perform an initial transmission of a TB and at least one retransmission of the TB according to the at least one criterion 135, the number M and the CGRT 140.
  • Fig. 2 shows an exemplary schematic diagram for an autonomous retransmission procedure according to an embodiment of the present disclosure. The embodiment will be illustrated in combination of the FIG. 1 and the FIG. 2.
  • a CG resource 1 and a CG resource M are shown as examples of the M CG resources selected for a first retransmission round, and it may be appreciated there can be other at least one CG resource numbered between 1 and M and not shown, if M>2.
  • the UE 110 may perform an initial transmission 220 of a TB on an initial CG resource and start a CGRT 140 with a first value when performing the initial transmission 220.
  • the initial CG resource may refer to the CG resource for the initial transmission 220 and may also be referred to as “afirst CG resource” .
  • the UE 110 may select a plurality of CG resources based on the at least one criterion 135 related to CG resource selection.
  • the at least one criterion 135 may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of CG configurations.
  • the selected plurality of CG resources may have decorrelated channel characteristics. For example, in a case where in the operation 150 the UE 110 may select M CG resources for the at least one retransmission for the first retransmission round, and M>1, the UE 110 may boost the successful probability of delivery the TB through a diversity gain of the M CG resources with decorrelated channel characteristics and selected based on the at least one criterion 135. In case the selected plurality of CG resources are not with fully decorrelated channel characteristics, the selected plurality of CG resources with reduced correlated channel characteristics can help.
  • the criterion 135 may relate to channel characteristics in time domain, and in this case the M CG resources may have a time gap larger than a first threshold, i.e. a minimum time gap, between each other.
  • a first threshold i.e. a minimum time gap
  • the PUSCHs of the selected M CG resources may have decorrelated channel characteristics in time domain.
  • the time gap between the PUSCH of the selected CG resource 1 and the PUSCH of the selected CG resource M is larger than the first threshold.
  • the criterion 135 may relate to channel characteristics in frequency domain, and in this case the M CG resources may have a frequency gap larger than a second threshold, i.e. a minimum frequency gap, between each other.
  • the M CG resources may in different serving cells or bandwidth parts (BWPs) or different carriers.
  • BWPs bandwidth parts
  • the PUSCHs of the selected M CG resources may have decorrelated channel characteristics in frequency domain.
  • the frequency gap between the PUSCH of the selected CG resource 1 and the PUSCH of the selected CG resource M is larger than the second threshold.
  • the criterion 135 may relate to channel characteristics in spatial domain, and in this case the M CG resources may be in different beams or beam sets, or towards different transmission/reception points (TRPs) or towards different antenna panels.
  • TRPs transmission/reception points
  • the PUSCHs of the selected M CG resources may have decorrelated channel characteristics in spatial domain.
  • the PUSCH of the selected CG resource 1 may be e.g. on a beam 1 and the PUSCH of the selected CG resource M may be e.g. on a beam M different from the beam 1.
  • the criterion 135 may relate to channel characteristics in code, and in this case the PUSCHs of the M CG resources may have different channel codes.
  • the PUSCHs of the selected M CG resources may have decorrelated channel characteristics with respect to the different channel codes.
  • the code of PUSCH of the selected CG resource 1 may be different from the code of the PUSCH of the selected CG resource M.
  • the criterion 135 may relate to indexes of CG configurations, and in this case the M CG resources may belong to different CG configurations. It is possible that the PUSCHs of the selected M CG resources may have decorrelated channel characteristics due to belonging to the different CG configurations. For example, in the FIG. 2, the selected CG resource 1 may belong to CG configuration 1 and the selected CG resource M may belong to CG configuration M.
  • At least one of the selected plurality of CG resources and the initial CG resource may have decorrelated channel characteristics.
  • at least one of the selected M CG resources may have decorrelated channel characteristic with respect to the channel characteristic of the initial CG resource, and some one of the selected M CG resources may have the same channel characteristic as the initial CG resource.
  • the selected CG resource M may have the same channel characteristic in frequency domain as the initial CG resource
  • the selected CG resource 1 may have the channel characteristic in frequency domain decorrelated from the initial CG resource.
  • the FIG. 1 for example, for example, in the FIG.
  • the selected CG resource M may be on the same beam direction as the initial CG resource, and the selected CG resource 1 may on another beam direction different from the initial CG resource.
  • the selected CG resources and the initial CG resource are not with fully decorrelated channel characteristics, the selected CG resources and the initial CG resource with reduced correlated channel characteristics can help.
  • the selected plurality of CG resources are associated with an identical identifier of a HARQ process. This may contribute to achieve the diversity gain of the selected M CG resources.
  • the UE 110 may select the identical identifier of the HARQ process for the selected plurality of CG resources. For example, in the FIG. 2, the selected CG resource 1 and the selected CG resource M, as well as other selected CG resources numbered between 1 and M and not shown may be associated with the same HARQ process identifier, which may be selected by the UE 110.
  • the UE 110 may perform the at least one retransmission of the TB on the selected plurality of CG resources. For example, as is shown in the FIG. 2, the UE 110 may perform a retransmission 230 of the TB on the CG resource 1 and a retransmission 240 of the TB on the CG resource M. It may be appreciated that although not shown, the UE 110 may perform other retransmission (s) of the TB on other CG resource (s) numbered between 1 and M if M>2.
  • the likelihood of LBT failure or decoding failure on the plurality of CG resources may be significantly decreased and thus it may be highly possible that the TB may be successfully retransmitted to the network apparatus 120 and the UE 110 may receive a corresponding DFI from the network apparatus 120 in the first retransmission round. Even if the delivery deadline for the TB is reached before the end of the first retransmission round e.g. before the expiration of the restarted CGRT 140 shown in the FIG. 2, it is highly possible that the TB may still be successfully retransmitted to the network side.
  • N (N ⁇ M) CG resources may be selected by the UE 110 to retransmit the TB, and in some embodiment, in the operation 150, one CG resource can be selected by the UE 110 to retransmit the TB, which will be described later with FIG. 3 and FIG. 4.
  • the UE 110 may restart the CGRT 140 with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the UE 110 may restart the CGRT 140 with the second value when the retransmission 240 on the CG resource M is performed. In other words, when the at least one retransmission for the first retransmission round has been performed, the UE 110 may restart the CGRT 140 with the second value.
  • the UE 110 may repeat the retransmission round e.g. at least one of the operation 150, the operation 155, the operation 160, or the operation 165 in the next retransmission round (not shown) , until a CG timer 210 expires, unless the delivery deadline is reached.
  • the outcomes of the respective operations in the repeated retransmission round may be or may not be identical to those of the first retransmission round.
  • the M CG resources selected in the operation 160 for the next retransmission round may be the same or may be different from the M CG resources selected in the operation 160 for the first retransmission round.
  • the second value for the first retransmission round may be equal to or smaller than the first value, e.g., half of the first value.
  • the second value may be unchanged.
  • the second value may be reduced with the retransmission rounds going.
  • the second value may be reduced by half in the consecutive retransmission rounds. With the reduced duration of the CGRT 140, the retransmission round can be repeated more rapidly and frequently, so that the probability for the successful retransmission of the TB before the delivery deadline may be further increased.
  • the UE 110 may not restart the CGRT 140 after performing the at least one retransmission in the operation 160, so that the UE 110 may perform the operation 150 to select the M CG resources again for the at least one retransmission of the TB without waiting for the duration of the CGRT 140.
  • not to restart the CGRT 140 may enable the UE 110 to select the CG resources and retransmit the TB more quickly, so that the probability for the successful retransmission of the TB before the delivery deadline may be further increased.
  • FIG. 3 shows an exemplary flow 300 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the exemplary flow 300 may be performed by the UE 110.
  • the flow 300 may be described with reference to the FIG. 1 and the FIG. 2.
  • the UE 110 Before the flow 300, the UE 110 has been preconfigured or has received from the network apparatus 120 the at least one criterion 135 related to CG resource selection, the number M of the CG resources and a configuration of the CGRT 140 with at least value.
  • the UE 110 may perform an initial transmission 220 of a TB to the network apparatus 120 on an initial CG resource and start a CGRT 140 with a first value when performing the initial transmission 220.
  • the operation 310 may be similar to the operation 145. Details of the operation 310 may refer to the above descriptions with respect to at least the operation 145, and repetitive descriptions thereof are omitted here.
  • the UE 110 may in an operation 330 not perform the autonomous retransmission.
  • the UE 110 may in the operation 330 stop the autonomous retransmission.
  • the UE 110 may in the operation 330 stop the autonomous retransmission.
  • the UE 110 may in the operation 330 stop the autonomous retransmission.
  • the UE 110 does not restart the CGRT 140, e.g.
  • the UE 110 does not perform an operation 370 or an operation 390 which will be described later, if in the operation 320 the UE 110 receives the DFI corresponding to a retransmission of the TB, before the expiration of the CG timer 210 or the delivery deadline ( “YES” prong of the operation 320) , the UE 110 may also in the operation 330 stop the autonomous retransmission.
  • the network apparatus 120 may indicate an acknowledgement (ACK) in the DFI for the corresponding HARQ process, and the UE 110 may stop or not perform the autonomous transmission.
  • ACK acknowledgement
  • the network apparatus 120 may indicate a non-acknowledgement (NACK) in the DFI for the corresponding HARQ process, and the UE 110 may rely on re-transmission grant from the network apparatus 120 to handle the TB, and hence the UE 110 may stop or not perform the autonomous transmission.
  • NACK non-acknowledgement
  • the UE 110 may in an operation 340 select a plurality of CG resources based on the at least one criterion 135 related to CG resource selection. And thus a round of autonomous retransmission attempt is started.
  • the UE 110 may perform the operation 340 after transmitting or retransmitting the TB, e.g.
  • the operation 340 may be similar to the operation 150. Details of the operation 340 may refer to the above descriptions with respect to at least the operation 150, and repetitive descriptions thereof are omitted here.
  • the UE 110 may perform the at least one retransmission of the TB on the selected M CG resources.
  • the operation 360 may be similar to the operation 160. Details of the operation 360 may refer to the above descriptions with respect to at least the operation 160, and repetitive descriptions thereof are omitted here.
  • the UE 110 may restart the CGRT 140 with the second value, and the second value may be smaller than or equal to the first value.
  • the operation 370 may be similar to the operation 165. Details of the operation 370 may refer to the above descriptions with respect to at least the operation 165, and repetitive descriptions thereof are omitted here. Then the UE 110 may repeat the flow from the operation 320.
  • the UE 110 may perform the at least one retransmission of the TB on the selected N CG resources.
  • the operation 380 may be similar to the operation 160. Details of the operation 380 may refer to the above descriptions with respect to at least the operation 160, and repetitive descriptions thereof are omitted here.
  • the UE 110 may restart the CGRT 140 with a third value, and the third value is smaller than the first value. So the retransmission can be attempted more rapidly and frequently although the CG resources which are selected for retransmitting the TB are reduced from M to N. Then the UE 110 may repeat the flow from the operation 320.
  • Fig. 4 shows an exemplary schematic diagram for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the UE 110 performs an initial transmission 420 of a TB on an initial CG resource, e.g. beam 1, and start the CGRT 140 with the first value in the operation 145.
  • the UE 110 may select one CG resource based on the at least one criterion 135.
  • the selected one CG resource and the initial CG resource may have a frequency gap larger than the second threshold, i.e. a minimum frequency gap.
  • the selected one CG resource may in a serving cell or BWP different from the initial CG resource.
  • the PUSCH of the selected one CG resource may have decorrelated channel characteristic in frequency domain with respect to the initial CG resource.
  • the selected one CG resource and the initial CG resource may be in different beams or beam sets, or towards different TRPs or towards to different antenna panels.
  • the PUSCHs of the selected one CG resource may have decorrelated channel characteristic in spatial domain with respect to the initial CG resource. For example, in the FIG. 4, if the PUSCH of the initial CG resource is e.g. on the beam 1, the PUSCH of the selected one CG resource may be e.g. on a beam 2 different from the beam 1.
  • the UE 110 may perform the at least one retransmission, e.g. the retransmission 430 on the selected one CG resource, e.g. the beam 2.
  • the selected one CG resource may have decorrelated channel characteristic with respect to the initial CG resource so that the likelihood of LBT failure or decoding failure on the selected one CG resources may be different from the initial CG resource, and it is possible that the probability for the successful retransmission of the TB before the delivery deadline may be higher than the autonomous retransmission without the CG resource selection.
  • the UE 110 may optionally restart the CGRT 140 with the second value in the operation 165.
  • the UE 110 may repeat the retransmission round e.g. at least one of the operation 150, the operation 155, the operation 160, or the operation 165 in the next retransmission round (not shown) , until a CG timer 210 expires, unless the delivery deadline is reached.
  • FIG. 5 shows a flow chart illustrating an example method 500 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the example method 500 may be performed for example at a UE such as the UE 110.
  • the example method 500 may include an operation 510 of performing an initial transmission of a transport block on an initial configured grant resource and starting a configured grant retransmission timer with a first value when performing the initial transmission, an operation 520 of selecting a plurality of configured grant resources based on at least one criterion related to configured grant resource selection in a case of absence of downlink feedback information during the configured grant retransmission timer with the first value, and an operation 530 of performing at least one retransmission of the transport block on the selected plurality of configured grant resources.
  • Details of the operation 510 may refer to the above descriptions with respect to at least the operation 145, the operation 310, the initial transmission 220, and the initial transmission 420, and repetitive descriptions thereof are omitted here.
  • the operation 520 may refer to the above descriptions with respect to at least the operation 150, the operation 320, the operation 340, and the criterion 135, and repetitive descriptions thereof are omitted here.
  • Details of the operation 530 may refer to the above descriptions with respect to at least the operation 160, the operation 360, the retransmission 230, and the retransmission 240, and repetitive descriptions thereof are omitted here.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the more details may refer to the above descriptions with respect to at least the criterion 135, and repetitive descriptions thereof are omitted here.
  • the at least one criterion, the number of the configured grant resources, and/or the configured grant retransmission timer may be configured by a network apparatus.
  • the more details may refer to the above descriptions with respect to at least the operation 130, and repetitive descriptions thereof are omitted here.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the more details may refer to the above descriptions with respect to at least the criterion 135 and the operation 150, and repetitive descriptions thereof are omitted here.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the more details may refer to the above descriptions with respect to at least the criterion 135 and the operation 150, and repetitive descriptions thereof are omitted here.
  • the selected plurality of configured grant resources may be associated with an identical identifier of a hybrid automatic repeat request process.
  • the more details may refer to the above descriptions with respect to at least the identifier of a HARQ process, and repetitive descriptions thereof are omitted here.
  • the example method 500 may further include an operation of selecting the identical identifier of the hybrid automatic repeat request process for the selected plurality of configured grant resources.
  • the more details may refer to the above descriptions with respect to at least the operation 155, and repetitive descriptions thereof are omitted here.
  • the example method 500 may further include an operation of restarting the configured grant retransmission timer with a second value after performing the at least one retransmission, and the second value may be equal to or smaller than the first value.
  • the example method 500 may further include an operation of restarting the configured grant retransmission timer with a third value after performing the at least one retransmission, and the third value may be smaller than the first value, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the operation of selecting a plurality of configured grant resources may include an operation of selecting one configured grant resource based on the at least one criterion, and the at least one retransmission may be performed on the selected one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission.
  • the more details may refer to the above descriptions with respect to at least the criterion 135, the operation 150, the operation 160, and the FIG. 4, and repetitive descriptions thereof are omitted here.
  • FIG. 6 shows a flow chart illustrating an example method 600 for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the example method 600 may be performed for example at a network apparatus in the RAN such as the network apparatus 120.
  • the example method 600 may include an operation 610 of configuring at least one criterion related to configured grant resource selection, the number of configured grant resources for at least one retransmission of a transport block, and/or a configured grant retransmission timer with at least one value, and transmitting a configuration of the at least one criterion, the configured number of the configured grant resources and/or a configuration of the configured grant retransmission timer.
  • Details of the operation 620 may refer to the above descriptions with respect to at least the criterion 135, the number M, and the CGRT 140, and repetitive descriptions thereof are omitted here.
  • the at least one criterion may be related to at least one of: channel characteristics in time domain, channel characteristics in frequency domain, channel characteristics in spatial domain, channel characteristics in code, or indexes of configured grant configurations.
  • the more details may refer to the above descriptions with respect to at least the criterion 135, and repetitive descriptions thereof are omitted here.
  • the at least one value may include a first value, and the configured grant retransmission timer with the first value may be started when an initial transmission of the transport block is performed on an initial configured grant resource.
  • the at least one retransmission may be performed on the plurality of configured grant resources selected based on the at least one criterion.
  • the more details may refer to the above descriptions with respect to at least the operation 160, the operation 360, the retransmission 230, and the retransmission 240, and repetitive descriptions thereof are omitted here.
  • At least one of the selected plurality of configured grant resources and the initial configured grant resource may have decorrelated channel characteristics.
  • the more details may refer to the above descriptions with respect to at least the criterion 135 and the operation 150, and repetitive descriptions thereof are omitted here.
  • the selected plurality of configured grant resources may have decorrelated channel characteristics.
  • the more details may refer to the above descriptions with respect to at least the criterion 135 and the operation 150, and repetitive descriptions thereof are omitted here.
  • the selected plurality of configured grant resources are associated with an identical identifier of a hybrid automatic repeat request process.
  • the more details may refer to the above descriptions with respect to at least the identifier of a HARQ process, and repetitive descriptions thereof are omitted here.
  • the at least one value may further include a second value, and the configured grant retransmission timer with the second value may be restarted after the at least one retransmission is performed, and the second value may be equal to or smaller than the first value.
  • the at least one value may further include a third value, the third value may be smaller than the first value, and the configured grant retransmission timer with the third value may be restarted after the at least one retransmission is performed, in a case where the number of the selected plurality of configured grant resources is less than the configured or preconfigured number of the configured grant resources.
  • the at least one retransmission may be performed on one configured grant resource in a case where the one configured grant resource is selected for the at least one retransmission in the configured grant resource selection.
  • FIG. 7 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the UE 110 in the above examples.
  • the example apparatus 700 may include at least one processor 710 and at least one memory 720 that may include computer program code 730.
  • the at least one memory 720 and the computer program code 730 may be configured to, with the at least one processor 710, cause the apparatus 700 at least to perform the example method 500 described above.
  • the at least one processor 710 in the example apparatus 700 may include, but not limited to, at least one hardware processor, including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) . Further, the at least one processor 710 may also include at least one other circuitry or element not shown in FIG. 7.
  • at least one hardware processor including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) .
  • FPGA Field Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • the at least one memory 720 in the example apparatus 700 may include at least one storage medium in various forms, such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a random-access memory (RAM) , a cache, and so on.
  • the non-volatile memory may include, but not limited to, for example, a read only memory (ROM) , a hard disk, a flash memory, and so on.
  • the at least memory 720 may include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the example apparatus 700 may also include at least one other circuitry, element, and interface, for example at least one I/O interface, at least one antenna element, and the like.
  • the circuitries, parts, elements, and interfaces in the example apparatus 700 may be coupled together via any suitable connections including, but not limited to, buses, crossbars, wiring and/or wireless lines, in any suitable ways, for example electrically, magnetically, optically, electromagnetically, and the like.
  • the structure of the apparatus on the side of the UE 110 is not limited to the above example apparatus 700.
  • FIG. 8 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the network apparatus 120 in the above examples.
  • the example apparatus 800 may include at least one processor 810 and at least one memory 820 that may include computer program code 830.
  • the at least one memory 820 and the computer program code 830 may be configured to, with the at least one processor 810, cause the apparatus 800 at least to perform at least one of the example method 600 described above.
  • the at least one processor 810 in the example apparatus 800 may include, but not limited to, at least one hardware processor, including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) . Further, the at least one processor 810 may also include at least one other circuitry or element not shown in FIG. 8.
  • at least one hardware processor including at least one microprocessor such as a central processing unit (CPU) , a portion of at least one hardware processor, and any other suitable dedicated processor such as those developed based on for example Field Programmable Gate Array (FPGA) and Application Specific Integrated Circuit (ASIC) .
  • FPGA Field Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • the at least one memory 820 in the example apparatus 800 may include at least one storage medium in various forms, such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a random-access memory (RAM) , a cache, and so on.
  • the non-volatile memory may include, but not limited to, for example, a read only memory (ROM) , a hard disk, a flash memory, and so on.
  • the at least memory 820 may include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the example apparatus 800 may also include at least one other circuitry, element, and interface, for example at least one I/O interface, at least one antenna element, and the like.
  • the circuitries, parts, elements, and interfaces in the example apparatus 800 may be coupled together via any suitable connections including, but not limited to, buses, crossbars, wiring and/or wireless lines, in any suitable ways, for example electrically, magnetically, optically, electromagnetically, and the like.
  • the structure of the apparatus on the side of the network apparatus 120 is not limited to the above example apparatus 800.
  • FIG. 9 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the UE 110 in the above examples.
  • the example apparatus 900 may include means 910 for performing the operation 510 of the example method 500, means 920 for performing the operation 520 of the example method 500, and means 930 for performing the operation 530 of the example method 500.
  • at least one I/O interface, at least one antenna element, and the like may also be included in the example apparatus 900.
  • examples of means in the example apparatus 900 may include circuitries.
  • an example of means 910 may include a circuitry configured to perform the operation 510 of the example method 500
  • an example of means 920 may include a circuitry configured to perform the operation 520 of the example method 500
  • an example of means 930 may include a circuitry configured to perform the operation 530 of the example method 500.
  • examples of means may also include software modules and any other suitable function entities.
  • FIG. 10 shows a block diagram illustrating an apparatus for an autonomous retransmission procedure according to an embodiment of the present disclosure.
  • the apparatus for example, may be at least part of the network apparatus 120 in the above examples.
  • the example apparatus 1000 may include means 1010 for performing the operation 610 of the example method 600, and means 1020 for performing the operation 620 of the example method 600.
  • at least one I/O interface, at least one antenna element, and the like may also be included in the example apparatus 1000.
  • examples of means in the example apparatus 1000 may include circuitries.
  • an example of means 1010 may include a circuitry configured to perform the operation 610 of the example method 600
  • an example of means 1020 may include a circuitry configured to perform the operation 620 of the example method 600.
  • examples of means may also include software modules and any other suitable function entities.
  • circuitry throughout this disclosure may refer to one or more or all of the following: (a) hardware-only circuit implementations (such as implementations in only analog and/or digital circuitry) ; (b) combinations of hardware circuits and software, such as (as applicable) (i) a combination of analog and/or digital hardware circuit (s) with software/firmware and (ii) any portions of hardware processor (s) with software (including digital signal processor (s) ) , software, and memory (ies) that work together to cause an apparatus, such as a mobile phone or server, to perform various functions) ; and (c) hardware circuit (s) and or processor (s) , such as a microprocessor (s) or a portion of a microprocessor (s) , that requires software (e.g., firmware) for operation, but the software may not be present when it is not needed for operation.
  • hardware-only circuit implementations such as implementations in only analog and/or digital circuitry
  • combinations of hardware circuits and software such as (as applicable) (i) a
  • circuitry also covers an implementation of merely a hardware circuit or processor (or multiple processors) or portion of a hardware circuit or processor and its (or their) accompanying software and/or firmware.
  • circuitry also covers, for example and if applicable to the claim element, a baseband integrated circuit or processor integrated circuit for a mobile device or a similar integrated circuit in server, a cellular network device, or other computing or network device.
  • Another example embodiment may relate to computer program codes or instructions which may cause an apparatus to perform at least respective methods described above.
  • Another example embodiment may be related to a computer readable medium having such computer program codes or instructions stored thereon.
  • a computer readable medium may include at least one storage medium in various forms such as a volatile memory and/or a non-volatile memory.
  • the volatile memory may include, but not limited to, for example, a RAM, a cache, and so on.
  • the non-volatile memory may include, but not limited to, a ROM, a hard disk, a flash memory, and so on.
  • the non-volatile memory may also include, but are not limited to, an electric, a magnetic, an optical, an electromagnetic, an infrared, or a semiconductor system, apparatus, or device or any combination of the above.
  • the words “comprise, ” “comprising, ” and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense; that is to say, in the sense of “including, but not limited to. ”
  • the word “coupled” refers to two or more elements that may be either directly connected, or connected by way of one or more intermediate elements.
  • the word “connected” refers to two or more elements that may be either directly connected, or connected by way of one or more intermediate elements.
  • conditional language used herein such as, among others, “can, ” “could, ” “might, ” “may, ” “e.g., ” “for example, ” “such as” and the like, unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain embodiments include, while other embodiments do not include, certain features, elements and/or states.
  • conditional language is not generally intended to imply that features, elements and/or states are in any way required for one or more embodiments or that one or more embodiments necessarily include logic for deciding, with or without author input or prompting, whether these features, elements and/or states are included or are to be performed in any particular embodiment.
  • the term "determine/determining” can include, not least: calculating, computing, processing, deriving, measuring, investigating, looking up (for example, looking up in a table, a database or another data structure) , ascertaining and the like. Also, “determining” can include receiving (for example, receiving information) , accessing (for example, accessing data in a memory) , obtaining and the like. Also, “determine/determining” can include resolving, selecting, choosing, establishing, and the like.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Sont divulgués des procédés pour une procédure de retransmission autonome. Un procédé donné à titre d'exemple peut consister à réaliser une transmission initiale d'un bloc de transport sur une ressource d'octroi configuré initiale et à démarrer un temporisateur de retransmission d'octroi configuré avec une première valeur lors de la réalisation de la transmission initiale, à sélectionner une pluralité de ressources d'octroi configuré sur la base d'au moins un critère relatif à une sélection de ressource d'octroi configuré en cas d'absence d'informations de rétroaction de liaison descendante pendant le temporisateur de retransmission d'octroi configuré avec la première valeur, et à réaliser au moins une retransmission du bloc de transport sur la pluralité sélectionnée de ressources d'octroi configuré. Des appareils et des supports lisibles par ordinateur associés sont également divulgués.
PCT/CN2021/099651 2021-06-11 2021-06-11 Procédés, appareils et support lisible par ordinateur pour une retransmission autonome Ceased WO2022257104A1 (fr)

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CN202180099226.XA CN117501647A (zh) 2021-06-11 2021-06-11 用于自主重传的方法、装置和计算机可读介质

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Citations (5)

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CN101611585A (zh) * 2006-10-02 2009-12-23 Lg电子株式会社 多载波系统中重传数据的方法
CN101999241A (zh) * 2007-12-29 2011-03-30 上海贝尔股份有限公司 基于时间和频率资源的统计复用的半永久调度方法和设备
CN107682930A (zh) * 2016-08-02 2018-02-09 大唐电信科技产业控股有限公司 一种资源选择方法及装置
CN111742511A (zh) * 2019-04-30 2020-10-02 上海诺基亚贝尔股份有限公司 配置的授权操作
US20200367268A1 (en) * 2019-05-14 2020-11-19 Samsung Electronics Co., Ltd. Resource selection for ultra-reliable low-latency communication (urllc) uplink

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Publication number Priority date Publication date Assignee Title
CN101611585A (zh) * 2006-10-02 2009-12-23 Lg电子株式会社 多载波系统中重传数据的方法
CN101999241A (zh) * 2007-12-29 2011-03-30 上海贝尔股份有限公司 基于时间和频率资源的统计复用的半永久调度方法和设备
CN107682930A (zh) * 2016-08-02 2018-02-09 大唐电信科技产业控股有限公司 一种资源选择方法及装置
CN111742511A (zh) * 2019-04-30 2020-10-02 上海诺基亚贝尔股份有限公司 配置的授权操作
US20200367268A1 (en) * 2019-05-14 2020-11-19 Samsung Electronics Co., Ltd. Resource selection for ultra-reliable low-latency communication (urllc) uplink

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