WO2016000209A1 - Procédé et bs pour l'exécution d'une sps sur un ue, et procédé et ue pour la transmission d'une requête harq - Google Patents

Procédé et bs pour l'exécution d'une sps sur un ue, et procédé et ue pour la transmission d'une requête harq Download PDF

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Publication number
WO2016000209A1
WO2016000209A1 PCT/CN2014/081375 CN2014081375W WO2016000209A1 WO 2016000209 A1 WO2016000209 A1 WO 2016000209A1 CN 2014081375 W CN2014081375 W CN 2014081375W WO 2016000209 A1 WO2016000209 A1 WO 2016000209A1
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WO
WIPO (PCT)
Prior art keywords
control channel
uplink control
mce
downlink data
harq
Prior art date
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PCT/CN2014/081375
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English (en)
Inventor
Jun Wang
Yingde LIU
Xinyi QIN
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
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Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Priority to PCT/CN2014/081375 priority Critical patent/WO2016000209A1/fr
Publication of WO2016000209A1 publication Critical patent/WO2016000209A1/fr

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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
    • H04L1/1896—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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements

Definitions

  • the technology presented in this disclosure generally relates to radio
  • the present disclosure relates to a method used in a Base Station (BS) for Semi-Persistent Scheduling (SPS) scheduling a User Equipment (UE) and an associated BS, and to a method used in a SPS scheduled UE for transmitting Hybrid Automatic Repeat Request (HARQ) feedback of downlink data from a BS and an associated UE.
  • BS Base Station
  • SPS Semi-Persistent Scheduling
  • UE User Equipment
  • HARQ Hybrid Automatic Repeat Request
  • SPS Semi-Persistent Scheduling
  • a HARQ feedback (ACK/NACK) position for dynamical scheduling is derived according to Control Channel Element (CCE) index.
  • CCE Control Channel Element
  • DCI Downlink Control Information
  • HARQ feedback position of DownLink (DL) periodical data can't be derived from its CCE index like the dynamic scheduling does.
  • the 3GPP specifies that the eNB needs to statically allocate up to 4 candidate positions in a Radio Resource Control (RRC) message, from which a specific position may be chosen for the UE to carry the HARQ feedback position of DL periodical data and may be notified to UE through 2 bits Transmit Power Control (TPC) field in DL DCI at (re)activation. That is, SPS has statically allocated HARQ index for HARQ feedback position of DL periodical data.
  • RRC Radio Resource Control
  • the HARQ feedback position for SPS is usually multiplexed with that for dynamic scheduling on the same PUCCH1 a/1 b area.
  • the dynamic scheduling derives its HARQ feedback position based on the
  • the CCE index corresponding to the HARQ feedback position in dynamical scheduling and the HARQ index for HARQ feedback position in SPS might be multiplexed in the same Physical Uplink Control Channel (PUCCH) area, thereby resulting in potential collision between SPS and dynamic scheduling, as shown in Fig. 1 .
  • PUCCH Physical Uplink Control Channel
  • Radio Network Temporary Identity (RNTI)-SPS for indicating a new HARQ index for SPS when the collision really occurs.
  • RNTI Radio Network Temporary Identity
  • the eNB needs to find another idle position from the 4 reserved candidate positions and to notify it to the UE in another DCI masked by SPS-RNTI. Upon being aware of the new position, the UE starts to use it to return the HARQ feedback of DL SPS data transmission.
  • the existing solution needs to occupy the valuable PDCCH resources, thereby wasting PDCCH resource.
  • the eNB needs to schedule another DCI indicating the new PUCCH index even only two bits are used within the whole DCI, which wastes the valuable PDCCH resources.
  • PDCCH space is the main factor impacting UE number scheduled per sub-frame.
  • Introduction of an extra DCI for SPS HARQ position adjustment will further deteriorate PDCCH scarcity, especially at heavy cell load and high CCE aggregation level. To be worse, it may still result in the "avalanche" side-effect, since the new added SPS-DCI may also result in more collision with other SPS's HARQ position, which then need further introduce more SPS-DCIs until no collision occurs again.
  • the existing solution can't handle the collision at Block Error Ratio (BLER) case.
  • BLER Block Error Ratio
  • the eNB needs to automatically insert another DCI indicating a new SPS HARQ position into the scheduling list for CCE allocation. This not only complicates CCE allocation algorithm, but also prolongs its execution time, thereby greatly impacting time-critical 1 ms scheduling.
  • the existing solution may only adjust PUCCH index within the 4 reserved candidate positions.
  • the present disclosure proposes a more robust and efficient approach to support flexible HARQ position adjustment, thereby resolving or mitigating the HARQ position collision between SPS and dynamic scheduling.
  • a method used in a BS for SPS scheduling a UE includes: determining an uplink control channel position available for the UE transmitting HARQ feedback of downlink data from the BS; generating, in the downlink data, information regarding the determined uplink control channel position; and transmitting the downlink data to the UE.
  • a method used in a SPS scheduled UE for transmitting HARQ feedback of downlink data from a BS includes: receiving the downlink data from the BS, the downlink data comprising information regarding an uplink control channel position available for the UE transmitting the HAQR feedback; determining the uplink control channel position based on the received downlink data; and transmitting the HARQ feedback based on the determined uplink control channel position.
  • a BS for SPS scheduling a UE includes: a determining unit configured to determine an uplink control channel position available for the UE transmitting HARQ feedback of downlink data from the BS; a generating unit configured to generate, in the downlink data, information regarding the determined uplink control channel position; and a transmitting unit configured to transmit the downlink data to the UE.
  • a SPS scheduled UE for transmitting HARQ feedback of downlink data from a BS.
  • the UE includes: a receiving unit configured to receive the downlink data from the BS, the downlink data comprising information regarding an uplink control channel position available for the UE transmitting the HAQR feedback; a determining unit configured to determine the uplink control channel position based on the received downlink data; and a transmitting unit configured to transmit the HARQ feedback based on the determined uplink control channel position.
  • a computer program product storing instructions that when executed, cause one or more computing devices to perform the method according to any of the first to the fourth aspects of the present disclosure.
  • the determined uplink control channel position is a PUCCH position
  • the downlink data is Physical Downlink Sharing Channel (PDSCH) data
  • the information regarding the determined uplink control channel position is indicated by a Media Access Control (MAC) control element (MCE) of PDSCH.
  • MAC Media Access Control
  • the MCE is a Time Alignment (TA) MCE
  • the determined uplink control channel position is one of candidate PUCCH positions statically allocated by the BS other than currently used PUCCH position.
  • TA Time Alignment
  • the MCE indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • the present disclosure can save PDCCH resources. Moreover, this may alleviate collision between SPS and dynamic scheduling, so that the CCE allocation algorithm for the dynamical scheduling remains unchanged.
  • Fig. 1 illustrates how SPS's HARQ feedback position conflicts with that of dynamic scheduling.
  • Fig. 2 illustrates how SPS's HARQ feedback is moved to a new position through another DCI to avoid collision.
  • Fig. 3 shows a flowchart of a method 300 used in a BS for SPS scheduling a UE according to a first embodiment of the present disclosure.
  • Fig. 4 is a schematic diagram illustrating a format of a Time Alignment (TA)
  • FIG. 5 is a schematic diagram illustrating a format of a new MCE for carrying the information regarding the determined uplink control channel position
  • Fig. 6 shows a flowchart of a method 600 in a SPS scheduled UE for
  • Fig. 7 is a schematic block diagram of a BS 700 for SPS scheduling a UE according to a third embodiment of the present disclosure.
  • Fig. 8 is a schematic block diagram of a SPS scheduled UE 800 for
  • Fig. 9 schematically shows an embodiment of an arrangement 900 which may be used in the BS 700 or the UE 800.
  • the term UE may be referred to as a mobile terminal, a terminal, a user terminal (UT), a wireless terminal, a wireless communication device, a wireless transmit/receive unit (WTRU), a mobile phone, a cell phone, a PDA, a portal computer etc.
  • the term UE includes MTC (Machine Type Communication) devices, which do not necessarily involve human interaction.
  • the term "BS" as used herein may be referred to as a radio base station, a NodeB or an evolved NodeB (eNB), access point, relay node, etcetera.
  • the present disclosure proposes a solution applied in a case where the HARQ feedback position for SPS conflicts with that for dynamical scheduling.
  • the present disclosure proposes to transmit, in DL data, information regarding a new HARQ feedback position for replacing the currently used one.
  • Fig. 3 shows a flowchart of a method 300 used in a BS for SPS scheduling a UE according to a first embodiment of the present disclosure.
  • the BS determines an uplink control channel position available for the UE transmitting HARQ feedback of downlink data from the BS.
  • the uplink control channel position may be chosen from several candidate positions reserved for the UE transmitting the HARQ feedback, other than the currently used position.
  • the BS generates, in the downlink data, information regarding the determined uplink control channel position.
  • the information may be HARQ index for the determined uplink control channel position.
  • the BS transmits the downlink data to the UE.
  • the uplink control channel position determined at step S310 is a PUCCH position, and the downlink data is PDSCH data.
  • the information regarding the determined uplink control channel position may be indicated by a MCE of PDSCH.
  • the present disclosure is not limited thereto, but may be applied to appropriate channels in other communication standards, such as High-Speed Downlink Packet Access (HSDPA).
  • HSDPA High-Speed Downlink Packet Access
  • the MCE is a TA MCE. Then, the determined uplink control channel position is one of candidate PUCCH positions statically allocated by the BS other than the currently used PUCCH position.
  • a feasible manner to implement step S320 is to generate, in a header of the TA MCE, an indication indicating whether the higher 2 bits of the TA field are used to carry the information regarding the determined uplink control channel position or not.
  • one bit in the header of the TA MCE may be used here. When the bit is 0, it indicates that the higher 2 bits of the TA field are not used to carry the information regarding the determined uplink control channel position, i.e., the higher 2 bits of the TA field still indicates the original TA format. When the bit is 1 , it indicates that the higher 2 bits of the TA field are used to carry the information regarding the determined uplink control channel position.
  • the MCE indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • Fig. 4 is a schematic diagram illustrating a format of a TA MCE for carrying the information regarding the determined uplink control channel position.
  • the 2bits HARQ index indicates a new HARQ feedback position for SPS, which is one of candidate PUCCH positions statically allocated by the BS other than currently used PUCCH position, when collision with dynamic scheduling occurs.
  • the ⁇ " bit in the MAC header may be used to indicate such a new TA format. For example, when ⁇ " bit is 0, LCID (11101 ) indicates the original TA format, that is the higher 2 bits are still reserved. When ⁇ " bit is 1 , LCID (11101 ) indicates the new TA format and the 2 higher bits are used to carry the HARQ index.
  • the present disclosure may save PDCCH resource without complicating CCE allocation algorithm.
  • Fig. 5 is a schematic diagram illustrating a format of a new MCE for carrying the information regarding the determined uplink control channel position.
  • HARQ index offset is defined to carry the information regarding the determined uplink control channel position.
  • the MCE indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • HARQ index of the determined uplink control channel position may be equal to HARQ index of the currently used HARQ position plus the HARQ index offset.
  • the new MCE has 8bits, indicating a [-128, 127] offset range based on current HARQ index. That is, the new MCE may indicate at most 256 new HARQ positions, thereby resolving the maximum 4 HARQ positions constraint. Of course, only part of the new MCE, such as 3bits, 4 bits, etc, may be used, depending on actual practices.
  • Table 1 illustrates values of LCID for DL-SCH. From the reserved LCID range in Table 1 , 11011 is allocated to indicate the new MCE, "HARQ index offset". Of course, it would be appreciated that 11011 is just an example for illustration, and any other reserved MCE may be applicable to the present disclosure.
  • Table 1 Values of LCID for DL-SCH
  • the eNB can always notify the UE to use it for HARQ feedback through the new MCE in SPS.
  • the new MCE can also reuse the buffer room for TA in periodic SPS data. So, such an optional improvement can resolve maximum 4 HARQ slots constraint without introducing any extra cost.
  • Fig. 6 shows a flowchart of a method 600 in a SPS scheduled UE for transmitting HARQ feedback of downlink data from a BS according to a second embodiment of the present disclosure.
  • the UE receives the downlink data from the BS.
  • the downlink data includes information regarding an uplink control channel position available for the UE transmitting the HAQR feedback.
  • the information may be HARQ index for the uplink control channel position.
  • the UE determines the uplink control channel position based on the received downlink data.
  • the UE transmits the HARQ feedback based on the determined uplink control channel position.
  • the uplink control channel position determined at step S620 is a PUCCH position, and the downlink data is PDSCH data.
  • the information regarding the determined uplink control channel position may be indicated by a MCE of PDSCH.
  • the present disclosure is not limited thereto, but may be applied to appropriate channels in other communication standards, such as HSDPA.
  • the MCE is a TA MCE.
  • the determined uplink control channel position is one of candidate PUCCH positions statically allocated by the BS other than the currently used PUCCH position.
  • the TA MCE as shown in Fig. 4 may be applied in this implementation.
  • step S620 is to determine, from a header of the TA MCE, an indication indicating whether the higher 2 bits of the TA MCE are used to carry the information regarding the determined uplink control channel position.
  • the indication may be carried in the ⁇ " bit as shown in Fig. 4.
  • the MCE indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • the MCE is a new type of MCE other than the TA MCE.
  • the MCE as shown in Fig. 5 may be applied here.
  • the HARQ feedback includes ACKnowledgement (ACK) or Discontinuous Transmission (DTX).
  • DTX is used to replace NACK.
  • ACK ACKnowledgement
  • NACK DTX
  • DTX DTX
  • NACK means that the UE has correctly detected DCI, but fails to decode data.
  • DTX refers to failure of decoding DCI itself.
  • SPS SPS
  • NACK and DTX actually refer to the same meaning that UE fails to decode SPS data from the eNB perspective. So, NACK is replaced here with DTX to indicate SPS data decoding failure.
  • the UE If the UE successfully decodes DL SPS data, then the UE must find the new HARQ index embedded in the DL SPS data, on which ACK is replied to the eNB.
  • the UE If the UE fails to decode DL SPS data, the UE then returns DTX instead of NACK to the eNB on the original HARQ position.
  • DTX is actually just NO power, which means nothing is sent on the original HAQR position. So, even if the original HARQ position has been occupied by other UE for dynamic scheduling, it won't cause any collision.
  • the eNB when the UE has no idea of the new HARQ position, the eNB must also receive DTX from the new position, based on which the eNB detects failure of reception of the DL SPS data at the UE side, then retransmission is scheduled.
  • Fig. 7 is a schematic block diagram of a BS 700 for SPS scheduling a UE according to a third embodiment of the present disclosure.
  • the part of BS 700 which is most affected by the adaptation to the herein described method, e.g., the method 300, is illustrated as an arrangement 701 , surrounded by a dashed line.
  • the BS 700 could be e.g. an eNB, or a NodeB, depending on in which type of communication system it is operable, e.g., Long Term Evolution (LTE)-type systems or Wideband Code Division Multiple Access (WCDMA)-type systems.
  • LTE Long Term Evolution
  • WCDMA Wideband Code Division Multiple Access
  • the BS 700 and arrangement 701 may be further configured to communicate with other entities via a communication unit 702 which may be regarded as part of the arrangement 701 .
  • the communication unit 702 comprises means for wireless communication, and may comprise means for, e.g., wired communication.
  • the arrangement 701 or BS 700 may further comprise other functional units 704, such as functional units providing regular BS functions, and may further comprise one or more storage units (memories) 703.
  • the arrangement 701 may be implemented, e.g., by one or more of: a processor or a micro processor and adequate software and memory for storing of the software, a Programmable Logic Device (PLD) or other electronic component(s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 3.
  • the arrangement part of the BS 700 may be
  • BS 700 includes a determining unit 710, a generating unit 720, and a transmitting unit 730.
  • the determining unit 710 is configured to determine an uplink control channel position available for the UE transmitting HARQ feedback of downlink data from the BS.
  • the generating unit 720 is configured to generate, in the downlink data, information regarding the determined uplink control channel position.
  • the transmitting unit 730 is configured to transmit the downlink data to the UE.
  • the determined uplink control channel position is a PUCCH position
  • the downlink data is PDSCH data
  • the information regarding the determined uplink control channel position is indicated by a MCE of PDSCH.
  • the MCE is a TA MCE
  • the determined uplink control channel position is one of candidate PUCCH positions statically allocated by the BS other than currently used PUCCH position.
  • the generating unit 720 may be further configured to generate, in a header of the TA MCE, an indication indicating whether the higher 2 bits of the TA field are used to carry the information regarding the determined uplink control channel position or not.
  • the MCE indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • determining unit 710 and the generating unit 720 may be combined as one single unit.
  • Fig. 8 is a schematic block diagram of a SPS scheduled UE 800 for transmitting HARQ feedback of downlink data from a BS according to a fourth embodiment of the present disclosure.
  • the part of UE800 which is most affected by the adaptation to the herein described method, e.g., the method 600, is illustrated as an arrangement 801 , surrounded by a dashed line.
  • the UE 800 could be, e.g., a mobile terminal, depending on in which type of communication system it is operable, e.g., LTE-type systems or WCDMA-type systems.
  • the UE 800 and arrangement 801 may be further configured to communicate with other entities via a communication unit 802 which may be regarded as part of the arrangement 801 .
  • the communication unit 802 comprises means for wireless communication.
  • the arrangement 801 or UE 800 may further comprise other functional units 804, such as functional units providing regular UE functions, and may further comprise one or more storage units (memories) 803.
  • the arrangement 801 could be implemented, e.g., by one or more of: a processor or a micro processor and adequate software and memory for storing of the software, a Programmable Logic Device (PLD) or other electronic component(s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 6.
  • PLD Programmable Logic Device
  • the arrangement part of the UE 800 may be
  • UE 800 includes a receiving unit 810, a determining unit 820, and a transmitting unit 830.
  • the receiving unit 810 is configured to receive the downlink data from the BS.
  • the downlink data includes information regarding an uplink control channel position available for the UE transmitting the HAQR feedback.
  • the determining unit 820 is configured to determine the uplink control channel position based on the received downlink data.
  • the transmitting unit 830 is configured to transmit the HARQ feedback based on the determined uplink control channel position.
  • the determined uplink control channel position is a PUCCH position
  • the downlink data is PDSCH data
  • the information regarding the uplink control channel position is indicated by a MCE of PDSCH.
  • the MCE is a TA MCE
  • the determined uplink control channel position is one of candidate PUCCH positions statically allocated by the BS other than currently used PUCCH position.
  • the higher 2 bits of the TA MCE may be used to carry the information regarding the determined uplink control channel position.
  • the determining unit 820 may be further configured to determine, from a header of the TA MCE, an indication indicating whether the higher 2 bits of the TA MCE are used to carry the information regarding the determined uplink control channel position or not.
  • the MCE indicates a HARQ position offset indicating an offset relative to currently used PUCCH position. That is, the MCE is a newly defined MCE and indicates a HARQ position offset defining an offset relative to currently used PUCCH position.
  • the MCE has 8 bits and can indicate a [-128, 127] offset range.
  • HARQ index of the determined uplink control channel position may be equal to HARQ index of the currently used HARQ position plus the HARQ index offset.
  • the HARQ feedback includes ACK or DTX, and DTX is used to replace NACK. It should be noted that two or more different units in this disclosure may be logically or physically combined. For example, the receiving unit 810 and the transmitting unit 830 may be combined as one single unit.
  • Fig. 9 schematically shows an embodiment of an arrangement 900 which may be used in the BS 700 or the UE 800.
  • a processing unit 906 e.g., with a Digital Signal Processor (DSP).
  • the processing unit 906 may be a single unit or a plurality of units to perform different actions of procedures described herein.
  • the arrangement 900 may also comprise an input unit 902 for receiving signals from other entities, and an output unit 904 for providing signal(s) to other entities.
  • the input unit and the output unit may be arranged as an integrated entity or as illustrated in the example of Fig. 7 or Fig. 8.
  • the arrangement 900 may comprise at least one computer program product 908 in the form of a non-volatile or volatile memory, e.g., an Electrically Erasable Programmable Read-Only Memory (EEPROM), a flash memory and a hard drive.
  • the computer program product 908 comprises a computer program 910, which comprises code/computer readable instructions, which when executed by the processing unit 906 in the arrangement 900 causes the arrangement 900 and/or the BS or the UE in which it is comprised to perform the actions, e.g., of the procedure described earlier in conjunction with Fig. 3 or Fig. 6.
  • the computer program 910 may be configured as a computer program code structured in computer program modules 91 OA - 910D or 910E - 91 OH.
  • the code in the computer program of the arrangement 900 includes a determining module 91 OA, for determining an uplink control channel position available for the UE transmitting HARQ feedback of downlink data from the BS.
  • the code in the computer program 910 further includes a generating module 910B, for generating, in the downlink data, information regarding the determined uplink control channel position.
  • the code in the computer program 910 further includes a transmitting module 910C, for transmitting the downlink data to the UE.
  • the code in the computer program 910 may comprise further modules, illustrated as module 910D, e.g. for controlling and performing other related procedures associated with BS's operations.
  • the code in the computer program of the arrangement 900 includes a receiving module 910E, for receiving the downlink data from the BS, the downlink data comprising information regarding an uplink control channel position available for the UE transmitting the HAQR feedback.
  • the code in the computer program further includes a determining module 91 OF, for determining the uplink control channel position based on the received downlink data.
  • the code in the computer program further includes a transmitting module 910G, for transmitting the HARQ feedback based on the determined uplink control channel position.
  • the code in the computer program 910 may comprise further modules, illustrated as module 91 OH, e.g. for controlling and performing other related procedures associated with UE's operations.
  • the computer program modules could essentially perform the actions of the flow illustrated in Fig. 3, to emulate the arrangement 701 in the BS 700, or the actions of the flow illustrated in Fig. 6, to emulate the arrangement 801 in the UE 800.
  • the different computer program modules when executed in the processing unit 906, they may correspond, e.g., to the units 710 - 730 of Fig. 7 or to the units 810-830 of Fig. 8.
  • code means in the embodiments disclosed above in conjunction with Fig. 9 are implemented as computer program modules which when executed in the processing unit causes the device to perform the actions described above in conjunction with the figures mentioned above, at least one of the code means may in alternative embodiments be implemented at least partly as hardware circuits.
  • the processor may be a single CPU (Central processing unit), but could also comprise two or more processing units.
  • the processor may include general purpose microprocessors; instruction set processors and/or related chips sets and/or special purpose microprocessors such as Application Specific
  • the processor may also comprise board memory for caching purposes.
  • the computer program may be carried by a computer program product connected to the processor.
  • the computer program product may comprise a computer readable medium on which the computer program is stored.
  • the computer program product may be a flash memory, a Random-access memory (RAM), a Read-Only Memory (ROM), or an EEPROM, and the computer program modules described above could in alternative embodiments be distributed on different computer program products in the form of memories within the UE.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé utilisé dans une BS pour exécuter une SPS sur un UE, et une BS correspondante. Le procédé consiste à : déterminer une position de canal de commande de liaison montante disponible pour la transmission d'une contre-réaction HARQ de données de liaison descendante de l'UE à partir de la BS; générer, dans les données de liaison descendante, des informations concernant la position de canal de commande de liaison montante déterminée; et transmettre les données de liaison descendante à l'UE. La présente invention concerne également un procédé utilisé dans un UE programmé pour une SPS, pour transmettre une contre-réaction HARQ de données de liaison descendante à partir d'une BS, et un UE correspondant.
PCT/CN2014/081375 2014-07-01 2014-07-01 Procédé et bs pour l'exécution d'une sps sur un ue, et procédé et ue pour la transmission d'une requête harq WO2016000209A1 (fr)

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CN109075922A (zh) * 2018-07-25 2018-12-21 北京小米移动软件有限公司 传输harq反馈信息的方法、终端及基站
WO2019028792A1 (fr) * 2017-08-10 2019-02-14 华为技术有限公司 Procédé et dispositif d'attribution de ressource
CN109417790A (zh) * 2016-03-16 2019-03-01 寰发股份有限公司 上行控制信息的调度方法及无线通讯装置
CN110830176A (zh) * 2018-08-10 2020-02-21 电信科学技术研究院有限公司 一种harq-ack发送方法、接收方法、终端及基站
CN111226406A (zh) * 2017-10-04 2020-06-02 高通股份有限公司 用于针对半持久调度(sps)的超可靠低延时混合自动重传请求(harq)重传的技术和装置
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WO2022121856A1 (fr) * 2020-12-11 2022-06-16 北京紫光展锐通信技术有限公司 Procédé et appareil pour la génération de livre de codes de canal partagé de liaison descendante physique d'ordonnancement semi-persistant

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CN111226406B (zh) * 2017-10-04 2023-05-26 高通股份有限公司 用于针对半持久调度(sps)的超可靠低延时混合自动重传请求(harq)重传的技术和装置
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CN110830176A (zh) * 2018-08-10 2020-02-21 电信科学技术研究院有限公司 一种harq-ack发送方法、接收方法、终端及基站
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CN112806066A (zh) * 2018-09-26 2021-05-14 华为技术有限公司 使用辅助上行进行通信的系统和方法
WO2022121856A1 (fr) * 2020-12-11 2022-06-16 北京紫光展锐通信技术有限公司 Procédé et appareil pour la génération de livre de codes de canal partagé de liaison descendante physique d'ordonnancement semi-persistant

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