WO2014048321A1 - 一种载波聚合场景下上行数据信道重传的方法和系统 - Google Patents

一种载波聚合场景下上行数据信道重传的方法和系统 Download PDF

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WO2014048321A1
WO2014048321A1 PCT/CN2013/084187 CN2013084187W WO2014048321A1 WO 2014048321 A1 WO2014048321 A1 WO 2014048321A1 CN 2013084187 W CN2013084187 W CN 2013084187W WO 2014048321 A1 WO2014048321 A1 WO 2014048321A1
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config
subframes
carrier
scheduled
data channel
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French (fr)
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韩璐
胡丽洁
沈晓冬
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China Mobile Communications Group Co Ltd
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China Mobile Communications Corp
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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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
    • 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 signalling, i.e. of overhead other than pilot signals
    • 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 signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/27—Evaluation or update of window size, e.g. using information derived from acknowledged [ACK] packets

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method and system for uplink data channel retransmission in a carrier aggregation scenario.
  • the primary carrier or the scheduled carrier (Peel 1 or Scheduling cell) and the secondary carrier or the scheduled carrier (Scell or scheduled cell) work in different TDD time slot ratios, and the subcarrier retransmission timing needs to be designed.
  • the scheme is to ensure that it normally performs Hybrid Automatic Repeat Request (HARQ).
  • Table 1 shows the different slot allocation tables of TDD. There are 7 formats, D indicates the downlink subframe, U indicates the uplink subframe, and S indicates the special subframe.
  • the HARQ timing mode of the scheduled carrier needs to be designed.
  • the scheduling carrier is mode 1 (config#1)
  • the scheduled carrier is mode 2 (config#2)
  • the uplink data channel HARQ timing (PUSCH HARQ timing) of the scheduled carrier adopts the scheduling mode of the scheduling carrier, that is, Use config#l.
  • Table 2
  • classification is performed according to the slot ratio of the scheduling carrier and the scheduled carrier, as follows: Table 3
  • the uplink time slot of the scheduled carrier is a subset of the uplink time slot of the scheduling carrier, and the Round-Through Time (RTT) period of the scheduled carrier is 10 ms.
  • RTT Round-Through Time
  • the UL slot of the scheduled cell is a superset of the scheduling cell UL slot, and the RTT period of the scheduling cell is 10 ms.
  • the UL slot of the scheduled cell is neither a subset nor a superset of the scheduling cell UL, and the RTT period of the scheduling cell is 10 ms.
  • the RTT period of the scheduling cell is not 10ms.
  • Table 4 shows the UL-grant scheduling time slot and the A/N feedback time slot (both DL time slots) corresponding to the UL time slot in different TDD time slot ratios (TDD configuration).
  • the blank space in the table indicates the DL time slot
  • the A/B indicates the UL time slot, where A indicates A/N feedback in the A DL time slot, and B indicates the B DL time slot in the previous subframe.
  • the UL-grant schedules the time slot.
  • Table 6 shows the transmission of the UL slot in sch eduled eel 1 when the PUSCH adopts scheduled cel l HARQ t iming, indicating that the A/N can be scheduled and fed back, and X indicates that the slot cannot be in the scheduled ing cel. l find the corresponding DL time slot is scheduled or feedback
  • the hybrid automatic repeat request of the uplink data channel PUSCH of the scheduled carrier scheduled cell cannot be completed.
  • the present invention provides a method and system for retransmitting an uplink data channel in a carrier aggregation scenario, which can ensure that when the round-trip delay (RTT) period of the scheduling carrier scheduling cell is not 10 milliseconds, the scheduled carrier
  • the uplink data channel PUSCH of the scheduled cell has at least one subframe capable of working normally.
  • An aspect of the present invention provides a method for retransmitting an uplink data channel in a carrier aggregation scenario.
  • a round-trip delay (RTT) period of a scheduling carrier scheduling cell is not 10 milliseconds, the scheduled carrier s chedu led
  • the Hybrid Automatic Repeat Request (HQQ) of the uplink data channel PUSCH of the cell adopts the timing ratio of the slot ratio of config#1 defined by the 3GPP organization.
  • Another aspect of the present invention provides a method for retransmitting an uplink data channel in a carrier aggregation scenario.
  • the round-trip delay period of the scheduled carrier is not 10 milliseconds
  • the timing of the hybrid automatic repeat request of the uplink data channel of the scheduled carrier uses the 0th, 4th, 5th, and 9th subframes as downlink subframes
  • the 1st and 6th subframes are special bead subframes
  • the 2nd, 3rd, 7th, and 8th subframes are uplink subframes.
  • a further aspect of the present invention provides a carrier aggregation system.
  • the round-trip delay period of the scheduled carrier is not 10 milliseconds
  • the hybrid automatic repeat request of the uplink data channel of the scheduled carrier uses the config#l defined by the 3GPP organization.
  • the timing of the time slot ratio is not 10 milliseconds
  • the present invention also provides a carrier aggregation system, when the round-trip delay period of the scheduling carrier is not 10 milliseconds, and the slot ratio of the scheduling carrier and the slot ratio of the scheduled carrier are defined by the 3GPP organization (config# 6, config#2), (config#6, config#5), (config#0, config#2), (config#0, conf ig#4) or (config#0, conf ig#5), Scheduling carrier uplink data
  • the hybrid automatic repeat request of the channel adopts the timing ratio of the slot ratio of the conf ig#1 defined by the 3GPP organization.
  • the technical solution of the present invention ensures that at least one subframe of the uplink data channel PUSCH of the scheduled carrier scheduled cell can work normally due to the slot ratio of config#1 defined by the 3GPP organization, and the time slot of the scheduled carrier is allocated.
  • the ratio of time slots to the scheduled carriers is 3GPP organization defined (conf ig#6, conf ig#0) and (config#0, config#6).
  • the transmission efficiency is the highest.
  • FIG. 1 is a comparison diagram of subframes of an uplink data channel PUSCH hybrid automatic repeat request of a scheduled carrier scheduled cell in the first embodiment of the present invention. detailed description
  • RTT Round-Trip Time
  • the method for retransmitting the uplink data channel in the first carrier aggregation scenario when the round-trip delay (RTT) period of the scheduling carrier scheduling cell is not 10 milliseconds, that is, the scheduling carrier and the scheduled carrier are 3GPP organizations.
  • RTT round-trip delay
  • the slot ratio of the scheduled carrier is conf ig#0 or config#6 defined by the 3GPP organization
  • the slot ratio of the scheduled carrier is config#0 defined by the 3GPP organization. Config#6.
  • all the scenarios of the Hybrid Automatic Repeat Request (HQQ) of the uplink data channel PUSCH of the scheduled carrier scheduled eel 1 adopt the timing ratio of the slot ratio of config#1 defined by the 3GPP organization. Specifically, it is based on In the slot ratio of config#1, the 0th, 4th, 5th, and 9th subframes are downlink subframes, and the 1st and 6th subframes are special subframes, 2nd, 3rd, 7th, and The 8 subframes are uplink subframes.
  • HQQ Hybrid Automatic Repeat Request
  • FIG. 1 shows a subframe comparison situation of the uplink data channel PUSCH hybrid automatic repeat request HARQ of the scheduled carrier scheduled cell.
  • the timing mode of config #1 at least one UL subframe can be guaranteed to transmit normally.
  • Gap if the scheduled cell PUSCH HARQ timing mode is adopted, there are 3 UL slots that may be transmitted normally, that is, the UL transmission resource utilization rate is 75%; if the conf ig#l PUSCH HARQ timing mode is adopted, 75% of the resource utilization is also used. Rate; if the timing mode of conf ig#2 is adopted, no UL time slot can be transmitted; similarly, the timing mode of config#3 and the timing mode of conf ig #4, the transmission efficiency is 25%, and if config is adopted, In the case of #5 timing mode or scheduling ce 11, the UL time slot cannot be transmitted normally.
  • the above scheme adopts the slot ratio of config#1 defined by the 3GPP organization to ensure the scheduled carrier.
  • the uplink data channel PUSCH of the SCHEDULED CELL has at least one subframe capable of working normally, and the slot ratio of the scheduled carrier and the slot ratio of the scheduled carrier are defined by the 3GPP organization (config#6, config#0) and ( Config#0, conf ig#6 ) In both cases, the transmission efficiency is the highest.
  • the method for retransmitting the uplink data channel in the second carrier aggregation scenario when the round-trip delay (RTT) period of the scheduling carrier scheduling cell is not 10 milliseconds, that is, the scheduling carrier and the scheduled carrier are 3GPP organizations.
  • RTT round-trip delay
  • the slot ratio of the scheduled carrier is conf ig#0 or conf ig#6 defined by the 3GPP organization
  • the slot ratio of the scheduled carrier is config#0 defined by the 3GPP organization. Go to config#6.
  • 3GPP organization defined (config#6, conf ig#2), (config#6, config#5), (config#0, conf ig#2), (config#0, conf ig#4), ( config# 0, config#5), Hybrid Automatic Repeat Request (HQQ) of the uplink data channel PUSCH of the scheduled carrier scheduled cell uses the slot of the conf ig#1 defined by the 3GPP organization.
  • HQQ Hybrid Automatic Repeat Request
  • the slot ratio of the scheduling carrier and the slot ratio of the scheduled carrier are defined by the 3GPP organization (config#6, config#2), (config#6, config#5), (config#0, config #2), ( config#0, config#4), ( conf ig#0, conf ig#5 ) These five scenarios are stripped, using config#l PUSCH HARQ timing mode, and still using the scheduled cell timing mode in other scenarios. .
  • the present invention also proposes two carrier aggregation systems, both of which can achieve the above object.
  • the first carrier aggregation system is that when the round-trip delay period of the scheduled carrier is not 10 milliseconds, the hybrid automatic repeat request of the uplink data channel of the scheduled carrier adopts the time slot ratio of the config#1 defined by the 3GPP organization. .
  • the 0th, 4th, 5th, and 9th subframes are downlink subframes, and the 1st and 6th subframes are special subframes, 2nd, 3rd, and 3rd 7 and the 8th subframe are uplink subframes.
  • the second carrier aggregation system is when the round-trip delay period of the scheduling carrier is not 10 milliseconds, and the slot ratio of the scheduling carrier and the slot ratio of the scheduled carrier are defined by the 3GPP organization (config#6, config#) 2), (conf ig#6, conf ig#5), (config#0, conf ig#2), (config#0, config#4) or (config#0, config#5), the carrier being scheduled
  • the hybrid automatic repeat request of the uplink data channel adopts the timing mode of the slot ratio of config#1 defined by the 3GPP organization.
  • the 0th, 4th, 5th, and 9th subframes are downlink subframes, and the 1st and 6th subframes are special subframes, 2nd, 3rd, and 7th.
  • the 8th subframe is an uplink subframe.

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

一种载波聚合场景下上行数据信道重传的方法和系统 本申请要求于 2012 年 9 月 26 日提交中国专利局、 申请号为 201210365107.7, 发明名称为 "一种载波聚合场景下上行数据信道重传的 方法和系统" 的中国专利申请的优先权， 其全部内容通过引用结合在本申 请中。 技术领域
本发明涉及无线通信技术领域， 尤其涉及一种载波聚合场景下上行数据 信道重传的方法和系统。 背景技术
在载波聚会场景下， 主载波或调度载波（Peel 1或 Scheduling cell)和辅 载波或被调度载波（ Scell或 scheduled cell ) 工作在不同的 TDD时隙配比， 需要为子载波的重传时序设计方案， 以保证其正常进行混合自动重传请求 ( Hybrid Automatic Repeat Request, HARQ )。
表 1是 TDD不同的时隙配比表， 共 7种格式， D表示下行子帧， U表示上 行子帧， S表示特殊子帧。
表 1
Figure imgf000003_0001
对于不同时隙配比的调度载波 ( scheduling cell ) 和被调度载波 ( scheduled cell ), 被调度载波的 HARQ时序方式， 需要进行设计。 比如按照 表 2, 调度载波是模式 1 (config#l), 被调度载波是模式 2 (config#2), 而 对于被调度载波的上行数据信道 HARQ时序 （PUSCH HARQ timing)采用调度载 波的时序方式， 即采用 config#l。 表 2
PDCCH cell
(config#1)
PUSCH cell
(config#2)
PDCCH cell
(config#1)
PUSCH cell
(config#1)
Figure imgf000004_0001
在现在的 3GPP定义中， 根据调度载波和被调度载波的时隙配比， 进行了 分类， 如下： 表 3
HA Q/scheduling timing of Scheduling cell SIB-1 UL-DL Configuration
PUSCH on Scheduled Cell
follows TDD UL-DL
Configuration # 0 1 2 3 4 5 6
0 B B B B B D
1 D B C B B D
2 D A C C B D
Scheduled cell SIB-1
3 D C C B B D UL-DL Configuration
4 D A C A B D
5 D A A A A D
6 D B B B B B
Notes: Case A CaseB CaseC CaseD 其中分类 1 (Case A)
被调度载波的上行时隙是调度载波的上行时隙的子集，且调度载波的往 返时延（Round- Trip Time, RTT)周期为 10ms
分类 1 (Case B)
scheduled cell 的 UL 时隙是 scheduling cell UL 时隙的超集， 且 scheduling cell的 RTT周期为 10ms
分类 3 (Case C )
scheduled cell的 UL时隙既不是 scheduling cell UL的子集也不是 超集， 且 scheduling cell的 RTT周期为 10ms
分类 4 (Case D )
scheduling cell的 RTT周期不为 10ms
现有的方案设计，对于 Case D的情况，建议采用 scheduled cell的 PUSCH HARQ timing。 但该方案的主要问题在于， 由于 scheduling cell的 RTT时间 不为 1 Oms， UL— grant的调度信息以及 A/N反馈信息都需要在 scheduling cell 上的 DL时隙发送， 因此， 如果采用 scheduled cell的 PUSCH HARQ timing, 会出现 scheduled cell没有一个 UL时隙可以正常工作。 表 4
Figure imgf000005_0001
表 4为不同 TDD时隙配比下（TDD configuration ),UL时隙对应的 UL— grant 调度时隙和 A/N反馈时隙 （均为 DL时隙）。 表中空白处表示 DL 时隙， 有 A/B 的表示 UL时隙， 其中， A表示在第 A个 DL时隙进行 A/N反馈， B表示在前子 帧的第 B个 DL时隙进行 UL- grant调度该时隙。
以 config 0中 subframe#2为例， 6/5表示， UL subf rame #2, 在 subf rame #6反馈其 A/N信息， UL_grant调度信息在 subframe #5进行传输。 表 5
Figure imgf000006_0001
基于表 4和表 5， 分析采用 scheduled cel l的时序方式时， 各个 UL子帧 被调度的情况。
表 6所示的为 PUSCH采用 scheduled cel l HARQ t iming时， sch eduled eel 1中 UL时隙的传输情况， 表示可以正常被调度和反馈 A/N, 而 X表示该时隙无法在 schedul ing cel l上找到对应的 DL时隙被调度或反馈
A/N0 表 6
Figure imgf000006_0002
从表 6中可以看出， 如果釆用 scheduled cel l—共 5中载波聚合的组合 下， 无法保证至少一共 UL时隙正常工作， 即， ( scheduling cell, scheduled cell ) = ( config#6, config#2 )、 ( config#6, config#5 )、 ( config#0， config#2)、 ( conf ig#0, config#4 ) 或 （ conf ig#0， conf ig#5 )， 此时如果采 用 scheduled cell的 PUSCH HARQ timing传输， 则没有 UL时隙被传输。 发明内容
为了解决现有技术中当调度载波 scheduling cell 的往返时延 (Round-Trip Time, RTT)周期不为 10 毫秒时， 被调度载波 scheduled cell 的上行数据信道 PUSCH的混合自动重传请求无法完成的技术问题，本发明提出 一种载波聚合场景下上行数据信道重传的方法和系统， 能够保证当调度载波 scheduling cell 的往返时延（Round- Trip Time, RTT)周期不为 10 毫秒时， 被调度载波 scheduled cell的上行数据信道 PUSCH至少有一个子帧能够正常 工作。
本发明一方面提供了一种载波聚合场景下上行数据信道重传的方法，当调 度载波 scheduling cell的往返时延（Round- Trip Time, RTT)周期不为 10毫 秒时， 被调度载波 s chedu led cell的上行数据信道 PUSCH的混合自动重传请 求（ Hybrid Automatic Repeat Request, HARQ )采用 3GPP组织定义的 config#l 的时隙配比的时序方式。
本发明另一方面提供了一种载波聚合场景下上行数据信道重传的方法，当 调度载波的往返时延周期不为 10毫秒时， 被调度载波的上行数据信道的混合 自动重传请求的时序方式采用第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1 和第 6子帧为特珠子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
本发明的再一方面提供了一种载波聚合系统，当调度载波的往返时延周期 不为 10 毫秒时， 被调度载波的上行数据信道的混合自动重传请求釆用 3GPP 组织定义的 config#l的时隙配比的时序方式。
本发明还提供了一种载波聚合系统， 当调度载波的往返时延周期不为 10 毫秒时， 并且调度载波的时隙配比和被调度载波的时隙配比为 3GPP组织定义 的 (config#6, config#2 )、 (config#6, config#5)、 (config#0, config#2)、 ( config#0, conf ig#4 ) 或 （ config#0， conf ig#5 ), 被调度载波的上行数据 信道的混合自动重传请求采用 3GPP组织定义的 conf ig#l的时隙配比的时序方 式。
本发明的技术方案由于釆用 3GPP组织定义的 config#l的时隙配比，保证 了被调度载波 scheduled cell的上行数据信道 PUSCH至少有一个子帧能够正 常工作， 并且除了调度载波的时隙配比和被调度载波的时隙配比为 3GPP组织 定义的 ( conf ig#6, conf ig#0 )和 ( config#0, config#6 ) 两种情况下， 传输 效率最高。 附图说明
附图用来提供对本发明的进一步理解， 并且构成说明书的一部分， 与 本发明实施例一起用于解释本发明， 并不构成对本发明的限制。 在附图中： 图 1 是本发明实施例一中被调度载波 scheduled cell 的上行数据信 道 PUSCH混合自动重传请求的子帧对比图。 具体实施方式
下面结合附图， 具体描述本发明的具体实施方式：
为了解决现有技术中当调度载波 scheduling cell 的往返时延 (Round-Trip Time, RTT)周期不为 10毫秒时， 也即调度载波和被调度载波为 3GPP组织定义的分类 4 (CASE D) 的情况下， 被调度载波 scheduled cell的 上行数据信道 PUSCH的混合自动重传请求无法完成的技术问题，可以采取两种 解决办法。
第一种载波聚合场景下上行数据信道重传的方法， 当调度载波 scheduling cell 的往返时延（Round- Trip Time, RTT)周期不为 10 毫秒时， 也即调度载波和被调度载波为 3GPP组织定义的分类 4 (CASE D) 的情况下， 调度载波的时隙配比为 3GPP组织定义的 conf ig#0或者 config#6, 被调度载 波的时隙配比为 3GPP组织定义的 config#0到 config#6。
在上述前提下， 被调度载波 scheduled eel 1的上行数据信道 PUSCH的混 合自动重传请求 ( Hybrid Automatic Repeat Request, HARQ )全部场景都采 用 3GPP组织定义的 config#l 的时隙配比的时序方式。 具体地说， 就是根据 config#l的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
釆用上述技术方案， 具体效果可见图 1 所示， 图 1 示出了被调度载波 scheduled cell的上行数据信道 PUSCH混合自动重传请求 HARQ的子帧对比情 况。 采用 config #1的时序方式， 可以保证至少有一个 UL子帧正常传输。 图 1 中为 scheduled cell 采用不同 cofiguration 时的 UL 时隙传输效率。 以 (scheduling cell, scheduled cell) = (config#6, conf ig#l ) 为例, 被调 度载波 scheduled cell 的上行数据信道 PUSCH混合自动重传请求 HARQ采用 conf ig#l时序方式共有 4个 UL时隙， 若采用 scheduled cell PUSCH HARQ时 序方式， 则有 3个 UL时隙可能正常传输， 即 UL传输资源利用率为 75%; 若采 用 conf ig#l PUSCH HARQ时序方式， 也为 75%的资源利用率； 若采用 conf ig#2 的时序方式，则无 UL时隙可以传输；同理，采用 config#3的时序方式和 conf ig #4的时序方式，传输效率均为 25%，而若采用 config#5时序方式或 scheduling c e 11的话， 也是无法正常传输 UL时隙。
上述方案采用 3GPP组织定义的 config#l的时隙配比，保证了被调度载波
SCHEDULED CELL的上行数据信道 PUSCH至少有一个子帧能够正常工作， 并且 除了调度载波的时隙配比和被调度载波的时隙配比为 3GPP 组织定义的 ( config#6, config#0 ) 和 （config#0， conf ig#6 ) 两种情况下， 传输效率最 高。
第二种载波聚合场景下上行数据信道重传的方法， 当调度载波 scheduling cell 的往返时延（Round- Trip Time, RTT)周期不为 10 毫秒时， 也即调度载波和被调度载波为 3GPP组织定义的分类 4 (CASE D) 的情况下， 调度载波的时隙配比为 3GPP组织定义的 conf ig#0或者 conf ig#6, 被调度载 波的时隙配比为 3GPP组织定义的 config#0到 config#6。
在上述情况下， 并且调度载波的时隙配比和被调度载波的时隙配比为
3GPP组织定义的 ( config#6, conf ig#2 )、 ( config#6, config#5 )、 ( config#0, conf ig#2 ), ( config#0, conf ig#4 )、 ( config#0, config#5 ), 被调度载波 scheduled cell 的上行数据信道 PUSCH 的混合自动重传请求 （ Hybrid Automatic Repeat Request, HARQ ) 采用 3GPP组织定义的 conf ig#l的时隙配 比。 也就是将调度载波的时隙配比和被调度载波的时隙配比为 3GPP组织定义 的 (config#6, config#2 )、 (config#6, config#5)、 (config#0, config#2)、 ( config#0, config#4)、 ( conf ig#0, conf ig#5 ) 这 5个场景进行剥离， 采用 config#l PUSCH HARQ时序方式， 其他场景下仍然采用 scheduled cell 时序 方式。
这样也能保证被调度载波 scheduled cell的上行数据信道 PUSCH至少有 一个子帧能够正常工作。
本发明还提出了两种载波聚合系统， 都能够实现上述目的。
第一种载波聚合系统是当调度载波的往返时延周期不为 10毫秒时， 被调 度载波的上行数据信道的混合自动重传请求采用 3GPP 组织定义的 config#l 的时隙配比的时序方式。
其中 conf ig#l的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
第二种载波聚合系统是当调度载波的往返时延周期不为 10毫秒时， 并且 调度载波的时隙配比和被调度载波的时隙配比为 3GPP组织定义的（ config#6， config#2 )、 ( conf ig#6, conf ig#5 )、 ( config#0, conf ig#2 )、 ( config#0， config#4 ) 或 （config#0, config#5 ), 被调度载波的上行数据信道的混合自 动重传请求采用 3GPP组织定义的 config#l的时隙配比的时序方式。
其中 conf ig#l的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
应说明的是： 以上实施例仅用以说明本发明而非限制， 本发明也并不仅限 于上述举例，一切不脱离本发明的精神和范围的技术方案及其改进， 其均应涵 盖在本发明的权利要求范围中。

Claims

权 利 要 求
1、 一种载波聚合场景下上行数据信道重传的方法， 其特征在于， 当调度载波的往返时延周期不为 10毫秒时， 被调度载波的上行数据信道 的混合自动重传请求采用 3GPP组织定义的 config#l的时隙配比的时序方式。
2、根据权利要求 1所述的一种载波聚合场景下上行数据信道重传的方法， 其特征在于， 当调度载波的往返时延周期不为 10毫秒时， 调度载波和被调度 载波为 3GPP组织定义的分类 4。
3、根据权利要求 2所述的一种载波聚合场景下上行数据信道重传的方法， 其特征在于， 当调度载波的往返时延周期不为 10毫秒时， 调度载波的时隙配 比为 3GPP組织定义的 config#0或者 config#6,被调度载波的时隙配比为 3GPP 组织定义的 config#0到 config#6。
4、根据权利要求 1所述的一种载波聚合场景下上行数据信道重传的方法， 其特征在于， 当调度载波的往返时延周期不为 10毫秒时， 并且调度载波的时 隙配比和被调度载波的时隙配比为 3GPP 组织定义的 （config#6， config#2 )、 ( config#6, config#5 )、 ( config#0, config#2 )、 ( config#0, config#4 )或 ( config#0, config#5 ),被调度载波的上行数据信道的混合自动重传请求采用 3GPP组织定 义的 config#l的时隙配比的时序方式。
5、 根据权利要求 1-4 中任一权利要求所述的一种载波聚合场景下上行数 据信道重传的方法， 其特征在于， 所述 config#l的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为特殊子帧， 第 2、 第 3、 第 7 和第 8子帧为上行子帧。
6、 一种载波聚合场景下上行数据信道重传的方法， 其特征在于， 当调度 载波的往返时延周期不为 10毫秒时， 被调度载波的上行数据信道的混合自动 重传请求的时序方式采用第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
7、 一种载波聚合系统， 其特征在于， 当调度载波的往返时延周期不为 10 毫秒时，被调度载波的上行数据信道的混合自动重传请求采用 3GPP组织定义 的 config#l的时隙配比的时序方式。
8、根据权利要求 7所述的一种载波聚合系统，其特征在于，所述 config#l 的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为 特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
9、 一种载波聚合系统， 其特征在于， 当调度载波的往返时延周期不为 10 毫秒时， 并且调度载波的时隙配比和被调度载波的时隙配比为 3GPP组织定义 的 ( config#6, config#2 )、 ( config#6, config#5 )、 ( config#0, config#2 )、 ( config#0, config#4 )或 （ config#0, config#5 ), 被调度载波的上行数据信道的混合自动重 传请求采用 3GPP组织定义的 config#l的时隙配比的时序方式。
10、根据权利要求 9所述的一种载波聚合系统，其特征在于，所述 config#l 的时隙配比中， 第 0、 第 4、 第 5和第 9子帧为下行子帧， 第 1和第 6子帧为 特殊子帧， 第 2、 第 3、 第 7和第 8子帧为上行子帧。
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