WO2014169868A1 - Équipement utilisateur, équipement de nœud et procédé de détermination de relation de synchronisation de liaison montante - Google Patents

Équipement utilisateur, équipement de nœud et procédé de détermination de relation de synchronisation de liaison montante Download PDF

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Publication number
WO2014169868A1
WO2014169868A1 PCT/CN2014/077011 CN2014077011W WO2014169868A1 WO 2014169868 A1 WO2014169868 A1 WO 2014169868A1 CN 2014077011 W CN2014077011 W CN 2014077011W WO 2014169868 A1 WO2014169868 A1 WO 2014169868A1
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WIPO (PCT)
Prior art keywords
pusch
uplink harq
harq timing
uplink
serving cell
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PCT/CN2014/077011
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English (en)
Chinese (zh)
Inventor
杨维维
戴博
梁春丽
夏树强
方惠英
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中兴通讯股份有限公司
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Publication of WO2014169868A1 publication Critical patent/WO2014169868A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a user equipment, a node device, and a method for determining an uplink timing relationship. Background technique
  • Radio frame in LTE (Long Term Evolution) system and LTE-A (Advanced Long Term Research: LTE-Advanced) system includes FDD (Frequency Division Duplex) mode and TDD (Time Division Double) The frame structure of the Time Division Duplex mode.
  • FIG. 1 is a schematic diagram of a frame structure in a related LTE/LTE-A FDD system.
  • a 10 msec (ms) radio frame consists of twenty slots of length 0.5 ms, numbered 0 to 19. Composition, time slots 2i and 2i+1 form a subframe (frame) i of length 1 ms.
  • 2 is a schematic diagram of a frame structure in a related LTE/LTE-A TDD system.
  • a 10 ms radio frame is composed of two half frames of 5 ms length, and one field includes five subframes of length 1 ms.
  • Frame i is defined as two time slots 2i and 2i+1 that are 0.5 ms long.
  • one slot contains seven symbols with a length of 66.7 microseconds (us), wherein the CP of the first symbol has a length of 5.21us, and the remaining six The CP length of the symbol is 4.69 us; for the extended cyclic prefix (Extended Cyclic Prefix), one slot contains 6 symbols, and the CP length of all symbols is 16.67 us.
  • Table 1 The supported uplink and downlink configurations are shown in Table 1:
  • Table 1 shows the uplink and downlink configuration table.
  • D denotes a subframe dedicated to downlink transmission
  • U denotes a subframe dedicated for uplink transmission
  • S denotes a special subframe, which contains DwPTS (Downlink Pilot Time Slot), GP (Guard Period) and UpPTS (Uplink Pilot Time Slot) are three parts.
  • the HARQ process refers to:
  • the transmitting end has data to transmit
  • the receiving end allocates information required for transmission, such as frequency domain resources and group information, to the transmitting end through downlink signaling.
  • the sender sends data according to the information, and saves the data in its own buffer for retransmission.
  • the receiver receives the data, it detects it. If the data is received correctly, it sends an ACK (acknowledgment: Acknowledged) to send. End, after receiving the ACK, the sender clears the buffer memory used for this transmission and ends the transmission.
  • ACK acknowledges the buffer memory used for this transmission and ends the transmission.
  • a NACK Non-acknowledged
  • the packet that was not correctly received is stored in the buffer of the receiver, and the packet is sent from the receiver after receiving the NACK message.
  • Data is presented in the flush memory and retransmitted using a particular packet format in the corresponding subframe and corresponding frequency domain locations.
  • the receiving end merges with the previously unreceived molecules, performs detection again, and then repeats the above process until the data is correctly received or the number of transmissions exceeds the maximum transmission number threshold.
  • the scheduling timing of the uplink PUSCH is as follows: For normal HARQ operations, The UE detects, on the subframe n, a PDCCH/EPDCCH (Downlink Control Channel/Enhanced Physical Downlink Control Channel) carrying the uplink DCI (Downlink Control Information: Downlink Control Information) or PHICH (Physical The HARQ indicator channel: Physical HARQ Indicator Channel), the UE adjusts the PUSCH transmission on the subframe n+4 according to the PDCCH/EPDCCH and the PHICH information. For the subframe binding operation, the UE detects the PDCCH carrying the uplink DCI information on the subframe n. /EPDCCH or detecting the PHICH on the subframe n-5, the UE adjusts the first PUSCH transmission in the binding in the subframe n+4 according to the PDCCH/EPDCCH and the PHICH information.
  • PDCCH/EPDCCH Downlink Control Channel/Enhanced Physical Downlink Control Channel
  • PHICH Physical HARQ Indic
  • the UE transmits on PUSCH according to PDCCH / EPDCCH PHICH and information adjustment subframe n + k and n + 7, wherein k values shown in Table 2:
  • Table 2 shows the value table of k in different uplink and downlink configurations.
  • the PHICH for transmitting the HARQ-ACK response of the PUSCH in the uplink HARQ has the following timing rule, that is, the timing relationship of the uplink HARQ is as follows: For the uplink and downlink configuration 1-6, on the subframe i The PHICH channel receives the HARQ-ACK response of the PUSCH on the subframe ik; for the uplink and downlink configuration 0, the HARQ-ACK response of the PUSCH on the subframe ik is received on the PHICH resource index 0 on the subframe i; Row configuration 0, received on PHICH resource index 1 on subframe i is the HARQ-ACK response of PUSCH on subframe i-6; where k value is as shown in Table 3:
  • Table 3 shows the value table of k in different uplink and downlink configurations.
  • the LTE-A system introduces a carrier aggregation technique, that is, aggregates the bandwidth of the LTE system to obtain a larger bandwidth.
  • the carrier to be aggregated is called a component carrier (CC), which is also called a serving cell.
  • CC component carrier
  • PCC/PCell primary component carrier/cell
  • SCC/SCell secondary component carrier/cell
  • a cross-carrier scheduling that is, a PDCCH on a certain serving cell, may be used to schedule a PDSCH/PUSCH of a plurality of serving cells, where a serving cell in which the PDCCH is located is called a scheduling cell, and a serving cell in which a PDSCH/PUSCH is located is called a scheduled service.
  • a serving cell in which the PDCCH is located is called a scheduling cell
  • a serving cell in which a PDSCH/PUSCH is located is called a scheduled service.
  • the related carrier aggregation technology is only applied to the FDD serving cell or the TDD serving cell.
  • the FDD serving cell and the TDD serving cell are considered.
  • the FDD serving cell and the TDD serving cell are aggregated and support cross-carrier scheduling, how is the uplink timing relationship determined? It is one of the problems to be solved, otherwise the aggregation of the FDD serving cell and the TDD serving cell cannot be realized.
  • the present invention provides a method for determining a user equipment, a node device, and an uplink timing relationship, to solve the technical problem that the uplink timing relationship cannot be determined when the FDD serving cell and the TDD serving cell are aggregated and the cross-carrier scheduling is supported.
  • the present invention discloses a method for determining an uplink timing relationship, including: a frequency division duplex (FDD) serving cell and a time division duplex (TDD) serving cell aggregation and supporting cross-carrier scheduling, the device is scheduled according to The type of serving cell determines the uplink hybrid automatic repeat request (HARQ) timing relationship of the scheduled serving cell.
  • FDD frequency division duplex
  • TDD time division duplex
  • HARQ uplink hybrid automatic repeat request
  • the FDD serving cell is a scheduling serving cell and the TDD serving cell is a scheduled serving cell
  • determining an uplink HARQ timing relationship of the TDD serving cell according to the following manner:
  • the timing between the PDCCH/EPDCCH and the PUSCH or the PUSCH and the PHICH of the TDD serving cell uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing.
  • the timing between the PUSCH and the retransmitted PUSCH is configured by using a newly configured uplink HARQ timing relationship: the timing between the PUSCH and the retransmitted PUSCH is 10 ms. Upstream HARQ timing.
  • the UE determines an uplink HARQ timing relationship of the FDD serving cell according to the following manner:
  • the uplink HARQ timing relationship between the uplink subframe of the FDD serving cell and the uplink subframe of the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ. Timing; or,
  • the uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is a positive integer greater than or equal to 1; or
  • the uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration.
  • the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing:
  • the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies the timing between the PUSCH and the retransmission PUSCH of 10 ms; and the uplink and downlink around the downlink-uplink transition point is 10 ms. It is configured that the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies a timing of 20 ms between the PUSCH and the retransmission PUSCH.
  • the uplink HARQ timing of the timing between the PUSCH and the retransmission PUSCH is 10 ms:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+10, where the value of p is ⁇ 4, 5,6 ⁇ .
  • the uplink HARQ timing of the timing between the PUSCH and the retransmission PUSCH is 20 ms:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+q, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+20, where the value of q is ⁇ 9,10,11 ⁇ .
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ constitute a a set of subframes
  • an uplink HARQ timing relationship of all subframes in the subframe set uses an uplink HARQ timing relationship corresponding to TDD configuration 0; subframes ⁇ 0, 1, 5, 6 ⁇ constitute another subframe set, the subframe
  • the uplink HARQ timing relationship of all subframes in the set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration; Another subframe set, the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes a first subframe set, and an uplink HARQ timing relationship of all subframes in the subframe set uses an uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the remaining subframes in the ⁇ 2, 3, 4, 7 , 8 , 9 ⁇ except the uplink subframe corresponding to the TDD ratio constitute a second subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses TDD
  • the uplink HARQ timing relationship corresponding to 0 is configured; the subframes ⁇ 0, 1, 5, 6 ⁇ constitute a third subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing.
  • the uplink HARQ timing relationship according to the predefined TDD configuration determines an uplink HARQ timing relationship of the FDD serving cell, where the predefined TDD configuration includes at least one of the following:
  • the configuration of the TDD serving cell that schedules the FDD is the same;
  • the uplink HARQ timing includes one or more of the following:
  • the device is a user equipment or a node device.
  • the invention also discloses a user equipment, comprising: The first unit is configured to: when the frequency division duplex (FDD) serving cell and the time division duplex (TDD) serving cell are aggregated and support cross-carrier scheduling, determine an uplink hybrid automatic of the scheduled serving cell according to the type of the scheduled serving cell Retransmission request (HARQ) timing relationship;
  • FDD frequency division duplex
  • TDD time division duplex
  • HARQ HARQ
  • the second unit is configured to: send uplink data according to the determined uplink HARQ timing relationship of the scheduled serving cell.
  • the first unit is configured to: when the FDD serving cell is a scheduling serving cell and the TDD serving cell is a scheduled serving cell, determine an uplink HARQ timing relationship of the TDD serving cell according to the following manner:
  • the timing between the PDCCH/EPDCCH and the PUSCH or the PUSCH and the PHICH of the TDD serving cell uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing.
  • the timing between the PUSCH and the retransmission PUSCH is a newly configured uplink HARQ timing relationship, where the timing between the PUSCH and the retransmission PUSCH is 10 ms uplink HARQ timing.
  • the first unit is configured to: when the TDD serving cell is a scheduling serving cell, and the FDD serving cell is a scheduled serving cell, determine an uplink HARQ timing relationship of the FDD serving cell according to the following manner:
  • the uplink HARQ timing relationship between the uplink subframe of the FDD serving cell and the uplink subframe of the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ. Timing; or,
  • the uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is a positive integer greater than or equal to 1; or
  • the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing:
  • the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies the timing between the PUSCH and the retransmission PUSCH of 10 ms; and the uplink and downlink around the downlink-uplink transition point is 10 ms. It is configured that the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies a timing of 20 ms between the PUSCH and the retransmission PUSCH.
  • the uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmission PUSCH is:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+10, where the value of p is ⁇ 4, 5,6 ⁇ .
  • the uplink HARQ timing with a timing of 20 ms between the PUSCH and the retransmission PUSCH is:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+q, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+20, where the value of q is ⁇ 9,10,11 ⁇ .
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ form a subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set is
  • the uplink HARQ timing relationship corresponding to TDD configuration 0 is used; the subframes ⁇ 0, 1, 5, 6 ⁇ constitute another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ. Timing, or,
  • the same subframe as the scheduled TDD constitutes one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration; Another subframe set, the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes a first subframe set, and an uplink HARQ timing relationship of all subframes in the subframe set uses an uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the corresponding uplink of the TDD ratio is removed.
  • the remaining subframes after the frame constitute a second subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to TDD configuration 0; the subframe ⁇ 0, 1 , 5, 6 ⁇ constitutes the first subframe.
  • the three subframe sets, the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing.
  • the uplink HARQ timing relationship according to the predefined TDD configuration determines an uplink HARQ timing relationship of the FDD serving cell, where the predefined TDD configuration includes at least one of the following:
  • the configuration of the TDD serving cell that schedules the FDD is the same;
  • the uplink HARQ timing includes one or more of the following:
  • Timing of PDCCH/EPDCCH and PUSCH timing between PUSCH and PHICH, timing between PHICH and retransmission PUSCH, timing between PUSCH and retransmission PUSCH.
  • the invention also discloses a node device, comprising:
  • the first unit is configured to: when the frequency division duplex (FDD) serving cell and the time division duplex (TDD) serving cell are aggregated and support cross-carrier scheduling, the system determines the uplink mixing of the scheduled serving cell according to the type of the scheduled serving cell. Automatic repeat request (HARQ) timing relationship;
  • FDD frequency division duplex
  • TDD time division duplex
  • HARQ Automatic repeat request
  • the second unit is configured to: receive uplink data according to the determined uplink HARQ timing relationship of the scheduled serving cell.
  • the first unit is configured to: when the FDD serving cell is a scheduling serving cell, and the TDD serving cell is a scheduled serving cell, determine an uplink HARQ timing relationship of the TDD serving cell according to the following manner:
  • the timing between the PHICHs uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the uplink HARQ timing relationship corresponding to the aggregated TDD serving cell; or
  • the timing between the PDCCH/EPDCCH and the PUSCH or the PUSCH and the PHICH of the TDD serving cell uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing.
  • a timing between the PUSCH and the retransmission PUSCH is a newly configured uplink HARQ timing relationship, where the timing between the PUSCH and the retransmission PUSCH is 1 Oms uplink HARQ timing.
  • the first unit is configured to: when the TDD serving cell is a scheduling serving cell, and the FDD serving cell is a scheduled serving cell, determine an uplink HARQ timing relationship of the FDD serving cell according to the following manner:
  • the uplink HARQ timing relationship between the uplink subframe of the FDD serving cell and the uplink subframe of the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ. Timing; or,
  • the uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is a positive integer greater than or equal to 1; or
  • the uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration.
  • the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing:
  • the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies the timing between the PUSCH and the retransmission PUSCH of 10 ms; and the uplink and downlink around the downlink-uplink transition point is 10 ms. It is configured that the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies a timing of 20 ms between the PUSCH and the retransmission PUSCH.
  • the uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmission PUSCH is:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+10, where the value of p is ⁇ 4, 5,6 ⁇ .
  • a timing between the PUSCH and the retransmitted PUSCH is 20 ms.
  • the uplink HARQ timing refers to:
  • Detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n transmitting a PUSCH on the subframe n+q, and detecting a PDCCH/EPDDCCH or a PHICH corresponding to the PUSCH on the subframe n+20, where the value of q is ⁇ 9,10,11 ⁇ .
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ constitute a subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set is The uplink HARQ timing relationship corresponding to TDD configuration 0 is used; the subframes ⁇ 0, 1, 5, 6 ⁇ constitute another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ Timing, or,
  • the same subframe as the scheduled TDD constitutes one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration; Another subframe set, the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes a first subframe set, and an uplink HARQ timing relationship of all subframes in the subframe set uses an uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the remaining subframes after the uplink subframe corresponding to the TDD ratio constitute a second subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses TDD
  • the uplink HARQ timing relationship corresponding to 0 is configured; the subframes ⁇ 0, 1, 5, 6 ⁇ constitute a third subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing.
  • the uplink HARQ timing relationship according to the predefined TDD configuration determines an uplink HARQ timing relationship of the FDD serving cell, where the predefined TDD configuration includes at least one of the following:
  • the configuration of the TDD serving cell that schedules the FDD is the same;
  • the uplink HARQ timing includes one or more of the following: Timing between PDCCH/EPDCCH and PUSCH, timing between PUSCH and PHICH, timing between PHICH and retransmission PUSCH, timing between PUSCH and retransmission PUSCH.
  • FIG. 1 is a schematic diagram of a frame structure in a related art FDD system
  • FIG. 2 is a schematic diagram of a frame structure in a related art TDD system
  • Figure 3 (a) shows an uplink HARQ timing relationship diagram corresponding to the configuration of the uplink and downlink configuration of the TDD serving cell in the present embodiment.
  • FIG. 3(b) is a timing between a PDCCH/EPDCCH and a PUSCH on a TDD serving cell, a timing between a PUSCH and a PHICH, and between a PUSCH and a retransmitted PUSCH, when the TDD serving cell is a scheduled cell in this embodiment.
  • FIG. 3(c) shows the timing between the PDCCH/EPDCCH and the PUSCH on the TDD serving cell, the timing between the PUSCH and the PHICH, and the PUSCH when the timing between the newly defined PUSCH and the retransmitted PUSCH is 10 ms in this embodiment.
  • FIG. 3 (d) is the aggregation of the serving cell of the FDD serving cell and the TDD uplink and downlink configuration configured as #0 in the present embodiment, and the FDD serving cell is the scheduled cell and has FDD at the same time.
  • the uplink HARQ timing relationship between the uplink subframe of the serving cell and the subframe of the uplink subframe of the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing relationship diagram. ;
  • Figure 3 (e) is a schematic diagram of the uplink HARQ timing relationship of the FDD serving cell and the TDD uplink and downlink configured as the configuration #0 in the uplink and downlink, and the FDD serving cell as the scheduled cell;
  • Figure 4 is a UE according to an embodiment of the present invention; schematic diagram.
  • This embodiment provides a method for determining an uplink timing relationship, including the following operations:
  • the device determines an uplink HARQ timing relationship of the scheduled serving cell according to the type of the scheduled serving cell;
  • the UE when determining an uplink HARQ timing relationship of the scheduled serving cell according to the type of the scheduled serving cell: if the FDD serving cell is a scheduled serving cell and the TDD serving cell is the scheduled serving cell, the UE may determine at least one of the following manners: Uplink HARQ timing relationship of the TDD serving cell:
  • Mode 1 The timing between the PDCCH/EPDCCH and the PUSCH on the TDD serving cell, or the timing between the PUSCH and the PHICH uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the aggregated TDD The uplink HARQ timing relationship corresponding to the serving cell;
  • Manner 2 The timing between the PDCCH/EPDCCH or the PHICH and the PUSCH of the TDD serving cell is the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmission PUSCH is configured with the newly configured uplink HARQ timing;
  • the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing to refer to: an uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmitted PUSCH; the device is scheduled according to the type of the scheduled serving cell.
  • the uplink HARQ timing relationship of the serving cell is: If the TDD serving cell is the scheduled serving cell and the FDD serving cell is the scheduled serving cell, the uplink HARQ timing relationship of the FDD serving cell may be determined according to at least one of the following manners:
  • Manner 1 The uplink HARQ timing relationship between the uplink subframe of the FDD serving cell and the uplink subframe of the TDD serving cell is the same as the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on other subframes is newly defined.
  • the uplink HARQ timing configured with the new configuration is: For the uplink and downlink configuration with the downlink-uplink transition point period of 5 ms, the newly configured uplink HARQ timing refers to the uplink HARQ that satisfies the timing between the PUSCH and the retransmitted PUSCH of 10 ms. Timing, or, for an uplink and downlink configuration of 10 ms around the downlink-uplink transition point, the newly configured uplink HARQ timing refers to satisfying the PUSCH. The timing between the retransmission of the PUSCH and the retransmission of the PUSCH is 20 ms of uplink HARQ timing.
  • the uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmission PUSCH refers to: detecting a PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, and transmitting the PUSCH on the subframe n+p, in the subframe n+10. Detecting a PDCCH/EPDDCCH or PHICH corresponding to the PUSCH; where the value of p is ⁇ 4, 5, 6 ⁇
  • the uplink HARQ timing with a timing of 20 ms between the PUSCH and the retransmission PUSCH means: detecting the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, transmitting the PUSCH on the subframe n+q, and detecting the subframe on the n+20 PDCCH/EPDDCCH or PHICH corresponding to the PUSCH; where q is taken as ⁇ 9, 10, 11 ⁇ .
  • Manner 2 The uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is a positive integer greater than or equal to 1;
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ constitute a subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ corresponding to TDD configuration 0. Timing relationship; subframes ⁇ 0, 1, 5, 6 ⁇ constitute another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing;
  • the same subframe as the scheduled TDD may be divided into one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration. And dividing another subframe into another subframe set, where an uplink HARQ timing relationship of all subframes in the subframe set uses a newly configured uplink HARQ timing;
  • the same subframe as the scheduled TDD may be divided into a first subframe set, and an uplink HARQ timing relationship of all subframes in the subframe set uses an uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ are divided into the second subframe set after the uplink subframe corresponding to the TDD matching, and the uplink HARQ timing of all the subframes in the subframe set.
  • the relationship uses the uplink HARQ timing relationship corresponding to the TDD configuration 0; the subframe ⁇ 0, 1, 5, 6 ⁇ is divided into the third subframe set, and the uplink HARQ timing relationship of all the subframes in the subframe set is newly configured.
  • Uplink HARQ timing is used to the uplink HARQ timing relationship corresponding to the TDD configuration 0; the subframe ⁇ 0, 1, 5, 6 ⁇ is divided into the third subframe set, and the uplink HARQ timing relationship of all the subframes in the subframe set is newly configured.
  • Manner 3 The uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration.
  • the FDD service is determined according to the uplink HARQ timing relationship of the predefined TDD configuration.
  • the predefined TDD configuration includes at least one of the following: the configuration of the TDD serving cell of the scheduling FDD is the same;
  • the uplink HARQ timing includes: a timing between a PDCCH/EPDCCH or a PHICH and a PUSCH, a timing between a PHICH and a retransmission PUSCH, and a timing between a PUSCH and a retransmission PUSCH.
  • timing between the PDCCH/EPDCCH and the PUSCH involved in the present application refers to the relationship between the downlink subframe in which the PDCCH/EPDCCH of the PUSCH is scheduled and the uplink subframe in the PUSCH.
  • the timing between the PUSCH and the PHICH is that the timing between the uplink subframe in which the PUSCH is transmitted and the PHICH and the retransmission PUSCH is the downlink subframe in which the PHICH corresponding to the NACK corresponding to the PUSCH is located, and the PUSCH is retransmitted accordingly. Relationship between uplink subframes where the PUSCH is located;
  • the timing between the PUSCH and the retransmission PUSCH refers to the relationship between the uplink subframe in which the PUSCH is transmitted and the uplink subframe in which the PUSCH corresponding retransmission PUSCH is located.
  • the uplink HARQ timing corresponding to configuration 0 is as shown in FIG. 3( a ), and the subframe with the diamond check shadow represents the PDCCH/EPCCH or the PHICH where the process N is located.
  • a frame, a subframe with a rectangular grid shadow represents the subframe in which the PUSCH is located in process N.
  • the FDD serving cell and the TDD serving cell are aggregated and the FDD serving cell is a scheduling cell.
  • the TDD serving cell is a scheduled cell, and the timing between the PDCCH/EPDCCH and the PUSCH on the TDD serving cell and the timing between the PUSCH and the PHICH are the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH.
  • FIG 3 (b) where there is a diamond plaid shadow
  • the subframes represent subframes in which the PDCCH/EPCCH or PHICH corresponding to the process N in the FDD uplink HARQ timing relationship is located, and the subframes with rectangular grid shadows represent the PUSCH corresponding to the process N and the retransmission PUSCH according to the TDD uplink HARQ timing relationship.
  • the retransmission PUSCH is transmitted in the radio frame #n+1 subframe #3 according to the uplink HARQ timing relationship of the TDD configuration #0, and the retransmission is performed.
  • the PDCCH/EPDCCH or PHICH corresponding to the PUSCH is transmitted in the radio frame #n subframe #6 in accordance with the uplink HARQ timing relationship of the FDD.
  • the FDD serving cell and the TDD serving cell are aggregated, and the FDD serving cell is a scheduling cell, and the TDD serving cell is a scheduled cell, and between the PDCCH and the PUSCH on the TDD serving cell.
  • the timing between the PUSCH and the retransmitted PUSCH uses a new timing relationship, where the new timing relationship means: the timing between the PUSCH and the retransmitted PUSCH is 10 ms, as shown in Fig. 3 (c), there is a diamond check shadow.
  • the subframe represents a subframe in which the PDCCH/EPCCH or the PHICH corresponding to the process N in the FDD uplink HARQ timing relationship is located, and the subframe with the rectangular grid shadow represents the PUSCH corresponding to the process N in the new timing FDD uplink HARQ timing relationship. Retransmit the subframe where the PUSCH is located.
  • the FDD serving cell and the TDD uplink and downlink are configured as the serving cell aggregation of configuration #0, and the TDD serving cell is the scheduling cell, the FDD serving cell is the scheduled cell, and the uplink subframe of the FDD serving cell and the uplink of the TDD serving cell are simultaneously provided.
  • the uplink HARQ timing relationship on the subframe of the subframe uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing; since the downlink-uplink conversion period of configuration 0 is 5 ms, then
  • the defined uplink HARQ timing uses the RTT to be 10 ms uplink HARQ timing, and the RTT is 10 ms uplink HARQ timing is implemented as follows; the sub-frame n detects the PDCCH/EPDDCCH or PHICH corresponding to the PUSCHc, and the sub-frame n+5 transmits the PUSCH.
  • the subframe with the diamond check shadow represents the PDCCH corresponding to the process N in the original TDD uplink HARQ timing relationship.
  • the sub-frame in which the EPDCCH or the PHICH is located, the subframe with the vertical stripe shadow represents the subframe in which the PDCCH/EPCCH or the PHICH corresponding to the process N in the FDD uplink HARQ timing relationship is located.
  • the subframe with the rectangular grid shadow represents the subframe in which the PUSCH corresponding to the process N in the FDD uplink HARQ timing relationship is located, and the subframe with the horizontal stripe shadow represents the PDCCH/EPCCH corresponding to the process N in the newly defined uplink HARQ timing relationship.
  • the sub-frame in which the PHICH is located the sub-shaded sub-frame represents the sub-frame of the PUSCH corresponding to the process N in the newly defined uplink HARQ timing relationship.
  • the FDD serving cell and the TDD uplink and downlink are configured as the serving cell aggregation of configuration #0, and the TDD serving cell is the scheduling cell, and the FDD serving cell is the scheduled cell, and the subframe index is ⁇ 2, 3, 4, 7, 8,
  • the uplink HARQ timing relationship of 9 ⁇ uses the uplink HARQ timing relationship corresponding to TDD configuration 0; the uplink HARQ timing relationship with the subframe index of ⁇ 0, 1, 5, 6 ⁇ uses the newly defined uplink HARQ timing;
  • the downlink-uplink conversion period is 5 ms, then the defined uplink HARQ timing uses the uplink HARQ timing with the RTT of 10 ms, and the uplink HARQ timing with the RTT of 10 ms is implemented as follows; the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH is detected on the subframe n, The PUSCH is transmitted on the subframe n+5, and the PDCCH/EPDDCCH or PHICH corresponding to the
  • the FDD serving cell and the TDD uplink and downlink are configured as the serving cell aggregation of configuration #3, and the TDD serving cell is the scheduling cell, the FDD serving cell is the scheduled cell, and the uplink subframe of the FDD serving cell and the uplink subframe of the TDD serving cell are simultaneously provided.
  • the uplink HARQ timing relationship on the subframe of the frame uses the uplink HARQ timing of TDD configuration #3, and the uplink HARQ timing relationship on other subframes uses the newly configured uplink HARQ timing; since the downlink-uplink conversion period of configuration 3 is 10 ms Then, the defined uplink HARQ timing uses the RTT to be 20 ms uplink HARQ timing, and the RTT is 20 ms uplink HARQ timing is implemented as follows; the sub-frame n detects the PUSCH corresponding PDCCH/EPDDCCH or PHICH, and the subframe n+10 transmits The PUSCH detects the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n+20; as shown in FIG.
  • the subframe with the diamond check shadow represents the PDCCH corresponding to the process N in the TDD uplink HARQ timing relationship.
  • Subframe in which the EPCCH or PHICH is located the subframe of the rectangular grid shadow is in accordance with the subframe in which the PUSCH corresponding to the process N in the TDD uplink HARQ timing relationship, and the subframe in which the vertical stripes are shaded represents the uplink H according to the new definition.
  • the subframe in which the PDCCH/EPCCH or PHICH corresponding to the process N is located the horizontally shaded subframe represents the newly defined uplink HARQ timing.
  • the subframe in which the PUSCH corresponding to the process N is located in the relationship.
  • the UE includes:
  • the UE determines an uplink HARQ timing relationship of the scheduled serving cell according to the type of the scheduled serving cell;
  • the second unit sends the uplink data according to the determined uplink HARQ timing relationship of the scheduled serving cell.
  • the first unit determines the uplink HARQ timing relationship of the TDD serving cell according to the following two modes: when the FDD serving cell is the scheduling serving cell and the TDD serving cell is the scheduled serving cell:
  • the PDCCH/EPDCCH of the TDD serving cell or the timing between the PHICH and the PUSCH uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing.
  • the timing between the PUSCH and the retransmission PUSCH in the above-described manner uses the newly configured uplink HARQ timing relationship to mean that the timing between the PUSCH and the retransmission PUSCH is 10 ms uplink HARQ timing.
  • the first unit determines the uplink HARQ timing relationship of the FDD service d and the area according to the following three ways: 1.
  • the uplink of the FDD serving cell The uplink HARQ timing relationship on the subframe of the uplink subframe of the subframe and the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing;
  • the uplink HARQ timing relationship on other subframes uses the newly configured uplink HARQ timing indicator:
  • the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies the timing between the PUSCH and the retransmission PUSCH of 10 ms; and the uplink and downlink around the downlink-uplink transition point is 10 ms. It is configured that the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies a timing of 20 ms between the PUSCH and the retransmission PUSCH.
  • the uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmission PUSCH refers to: detecting the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, transmitting the PUSCH on the subframe n+, and detecting the PUSCH on the subframe n+10.
  • the uplink HARQ timing with a timing of 20 ms between the PUSCH and the retransmission PUSCH refers to: detecting the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, transmitting the PUSCH on the subframe n+q, and detecting on the subframe n+20
  • the uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is a positive integer greater than or equal to 1;
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ constitute a subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set is corresponding to TDD configuration 0.
  • Uplink HARQ timing relationship; subframes ⁇ 0, 1, 5, 6 ⁇ constitute another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration; other subframes constitute another a set of subframes, an uplink HARQ timing relationship of all subframes in the subframe set, using a newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes a first subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration; subframe ⁇ 2 In the 3, 4, 7, 8, 9 ⁇ , after the uplink subframe corresponding to the TDD matching, the remaining subframes constitute a second subframe set, and the uplink HARQ timing relationship of all the subframes in the subframe set ⁇
  • the uplink HARQ timing relationship corresponding to 0 is configured by TDD; the subframe ⁇ 0, 1, 5, 6 ⁇ constitutes a third subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing .
  • the uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration, where the predefined TDD configuration includes at least one of the following: the configuration of the TDD serving cell of the scheduling FDD is the same;
  • uplink HARQ timing includes one or more of the following:
  • This embodiment provides a node device, which may be a base station, which includes at least two units.
  • the first unit when the frequency division duplex (FDD) serving cell and the time division duplex (TDD) serving cell are aggregated and support cross-carrier scheduling, the system determines the uplink hybrid automatic retransmission of the scheduled serving cell according to the type of the scheduled serving cell. Request (HARQ) timing relationship;
  • FDD frequency division duplex
  • TDD time division duplex
  • the second unit receives the uplink data according to the determined uplink HARQ timing relationship of the scheduled serving cell.
  • the first unit determines the uplink HARQ timing relationship of the TDD serving cell according to the following two modes: when the FDD serving cell is the scheduling serving cell and the TDD serving cell is the scheduled serving cell:
  • Manner 1 The timing between the PDCCH/EPDCCH and the PUSCH on the TDD serving cell, or the timing between the PUSCH and the PHICH uses the uplink HARQ timing relationship corresponding to the FDD, The timing between the PUSCH and the retransmitted PUSCH uses the uplink HARQ timing relationship corresponding to the aggregated TDD serving cell.
  • the timing between the PDCCH/EPDCCH or the PHICH and the PUSCH of the TDD serving cell uses the uplink HARQ timing relationship corresponding to the FDD, and the timing between the PUSCH and the retransmitted PUSCH uses the newly configured uplink HARQ timing.
  • the timing between the PUSCH and the retransmission PUSCH is the uplink HARQ timing with the newly configured uplink HARQ timing: the timing between the PUSCH and the retransmission PUSCH is 10 ms.
  • the first unit determines the uplink HARQ timing relationship of the FDD serving cell according to the following three manners: In the first mode, there is an FDD serving cell at the same time.
  • the uplink HARQ timing relationship on the subframe of the uplink subframe and the uplink subframe of the TDD serving cell uses the uplink HARQ timing of the TDD, and the uplink HARQ timing relationship on the other subframes uses the newly configured uplink HARQ timing;
  • the uplink HARQ timing relationship on other subframes refers to the newly configured uplink HARQ timing:
  • the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies the timing between the PUSCH and the retransmission PUSCH of 10 ms; and the uplink and downlink around the downlink-uplink transition point is 10 ms. It is configured that the newly configured uplink HARQ timing is an uplink HARQ timing that satisfies a timing of 20 ms between the PUSCH and the retransmission PUSCH.
  • the uplink HARQ timing with a timing of 10 ms between the PUSCH and the retransmission PUSCH refers to: detecting the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, transmitting the PUSCH on the subframe n+, and detecting the PUSCH on the subframe n+10.
  • the uplink HARQ timing with a timing of 20 ms between the PUSCH and the retransmission PUSCH refers to: detecting the PDCCH/EPDDCCH or PHICH corresponding to the PUSCH on the subframe n, transmitting the PUSCH on the subframe n+q, and detecting on the subframe n+20
  • the uplink subframe of the FDD serving cell is divided into T subframe sets, and the different subframe sets correspond to the uplink HARQ timing relationship of different TDD configurations, where T is greater than or equal to 1 Positive integer
  • the subframes ⁇ 2, 3, 4, 7, 8, 9 ⁇ are formed into a subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set is used.
  • the uplink HARQ timing relationship corresponding to TDD configuration 0; the subframe ⁇ 0, 1, 5, 6 ⁇ constitutes another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing Or,
  • the same subframe as the scheduled TDD may be configured as one subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the frame constitutes another subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing, or
  • the same subframe as the scheduled TDD constitutes a first subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the uplink HARQ timing relationship corresponding to the scheduling TDD configuration;
  • the remaining subframes in the ⁇ 2, 3, 4, 7 , 8, 9 ⁇ except the TDD matching corresponding uplink sub-frame constitute a second subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set is configured by TDD 0 corresponding uplink HARQ timing relationship;
  • subframes ⁇ 0, 1, 5, 6 ⁇ constitute a third subframe set, and the uplink HARQ timing relationship of all subframes in the subframe set uses the newly configured uplink HARQ timing.
  • the uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration.
  • the uplink HARQ timing relationship of the FDD serving cell is determined according to the uplink HARQ timing relationship of the predefined TDD configuration, and the predefined TDD configuration includes at least one of the following: the configuration of the TDD serving cell of the scheduling FDD is the same;
  • uplink HARQ timing includes one or more of the following:
  • the determining scheme of the uplink timing relationship provided by the technical solution of the present application can solve the problem of determining the uplink timing relationship when the FDD serving cell and the TDD serving cell are aggregated.

Abstract

La présente invention concerne un procédé de détermination de synchronisation de liaison montante comprenant l'étape dans laquelle : lorsqu'une cellule de service de duplexage par répartition en fréquence (FDD) est agrégée avec une cellule de service de duplexage par répartition dans le temps (TDD) et la planification inter-porteuse est prise en charge, un dispositif détermine la relation de synchronisation de requête automatique de répétition hybride (HARQ) de liaison montante d'une cellule de service programmée en fonction du type de cellule de service programmée.
PCT/CN2014/077011 2013-09-18 2014-05-08 Équipement utilisateur, équipement de nœud et procédé de détermination de relation de synchronisation de liaison montante WO2014169868A1 (fr)

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