WO2015154611A1 - 一种多业务控制信道发送的方法和装置 - Google Patents

一种多业务控制信道发送的方法和装置 Download PDF

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WO2015154611A1
WO2015154611A1 PCT/CN2015/074403 CN2015074403W WO2015154611A1 WO 2015154611 A1 WO2015154611 A1 WO 2015154611A1 CN 2015074403 W CN2015074403 W CN 2015074403W WO 2015154611 A1 WO2015154611 A1 WO 2015154611A1
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service
services
dci
attribute
carries
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French (fr)
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韩亚洁
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/06Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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  • the present invention relates to the field of wireless communications, and in particular, to a method and apparatus for transmitting a LTE PDCCH (Physical Downlink Control Channel) of a multi-service.
  • LTE PDCCH Physical Downlink Control Channel
  • the existing PDCCH channel is transmitted in multiple DCI (Downlink Control Information) format, and carries the scheduling and control information of the PDSCH (Physical Downlink Shared Channel) channel, such as transmission. Format, resource allocation, and upstream scheduling permissions.
  • DCI Downlink Control Information
  • PDSCH Physical Downlink Shared Channel
  • the transmission mode in which multiple services are controlled by multiple DCIs for control channel scheduling does not have optimal spectrum utilization.
  • the embodiment of the invention provides a method and a device for transmitting a multi-service control channel in a multi-service application of the same device UE, so as to improve spectrum utilization of the PDCCH channel, ensure DCI transmission performance, and reduce DCI blind detection complexity of the terminal UE. .
  • the embodiment of the present invention provides a method for transmitting a multi-service control channel, which is applied to a physical downlink control channel PDCCH, where the method includes:
  • the multi-service DCI includes a service attribute and a UE attribute, where the service attribute is a service attribute domain set of the N services, the service attribute domain includes service scheduling information, and the UE attribute is unique;
  • each service corresponds to one service attribute domain; when the service carried by the UE is greater than or equal to 2, the transmission manners of any two services are the same or different;
  • the UE attributes of each service carried by the UE are the same.
  • configuring a corresponding aggregation degree and a candidate level for the DCI when the UE carries N services includes:
  • the degree of aggregation s p and the candidate level m p are configured for the DCI when the UE carries N services, where 1 ⁇ p ⁇ k, 1 ⁇ N ⁇ W.
  • the configuring the aggregation degree set S and the candidate level set M according to the maximum number of the UE bearer services and the type of each of the multi-service DCIs includes:
  • the case where the UE carries i services and the user equipment carries i+j services is divided into one type, where 0 ⁇ j ⁇ 1, 1 ⁇ i ⁇ W;
  • the degree of aggregation s p and the configuration candidate level m p are configured.
  • the service scheduling information includes a modulation mode, a resource allocation, a HARQ retransmission, and a precoding.
  • the embodiment of the present invention further provides a device for transmitting a multi-service control channel, which is applied to a physical downlink control channel PDCCH, where the device includes:
  • a configuration module configured to: when the user equipment UE carries N services, configure multi-service downlink control information DCI, 1 ⁇ N; configure a corresponding aggregation degree and a candidate level for the DCI when the UE carries N services;
  • the multi-service DCI includes a service attribute and a UE attribute, where the service attribute is a service attribute domain set of the N services, the service attribute domain includes service scheduling information, and the UE attribute is unique;
  • a sending module configured to send the DCI configured by the configuration module on the PDCCH.
  • each service corresponds to one service attribute domain; when the service carried by the UE is greater than or equal to 2, the transmission manners of any two services are the same or different;
  • the UE attributes of each service carried by the UE are the same.
  • the configuration module is configured to configure a corresponding aggregation degree and a candidate level for the DCI when the UE carries N services:
  • the degree of aggregation s p and the candidate level m p are configured for the DCI when the UE carries N services, where 1 ⁇ p ⁇ k, 1 ⁇ N ⁇ W.
  • configuring the aggregation degree set S and the candidate level set M means:
  • the case where the UE carries i services and the UE carries i+j services is divided into one type, where 0 ⁇ j ⁇ 1, 1 ⁇ i ⁇ W;
  • the degree of aggregation s p and the configuration candidate level m p are configured.
  • the service scheduling information includes a modulation mode, a resource allocation, a HARQ retransmission, and a precoding.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium stores a computer program, where the computer program includes program instructions, when the program instruction is executed by the base station device, so that the device can be the multi-service control channel The method of sending.
  • the aggregation degree S-candidate level M set definition of the foregoing solution is not unique, and various SM sets can be defined in the context of fully considering the multi-service number N of the UE, the transmission mode, the communication scenario, and the like, and the DCI adaptive scheduling and the DCI are performed.
  • the blind detection improves the spectrum utilization of the PDCCH channel transmission when the same UE is multi-service, and selects an appropriate aggregation degree set according to the multi-service type classification, ensures the transmission performance of the control channel, and reduces the number of DCI detections of the receiving side UE.
  • FIG. 1 is a flowchart of a method for transmitting a multi-service control channel according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a method for transmitting two uplink services DCI 12 of UE1 according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a method for transmitting three downlink services DCI 15 of UE2 according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic diagram of a method for transmitting four downlink services DCI 18 of UE3 according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic structural diagram of an apparatus for transmitting a multi-service control channel according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for transmitting a multi-service control channel according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method for transmitting a multi-service control channel, and selecting an appropriate DCI scheduling aggregation degree S-candidate level M set according to the actual situation of multiple services, thereby Achieve high spectrum utilization of multi-service control channels and reliably control channel transmission.
  • the following technical solutions are included:
  • a method for transmitting a multi-service control channel is applied to a physical downlink control channel PDCCH, where the method includes:
  • Step 1 When the user equipment UE carries N services, configure multi-service downlink control information DCI, 1 ⁇ N;
  • the multi-service DCI includes a service attribute and a UE attribute, where the service attribute is a service attribute domain set of the N services, the service attribute domain includes service scheduling information, and the UE attribute is unique.
  • Each service corresponds to one service attribute domain; when the service carried by the UE is greater than or equal to 2, the transmission modes of any two services are the same or different, and the UE attributes of each service carried by the UE The same; the service scheduling information includes a modulation mode, a resource allocation, a HARQ retransmission, and a precoding.
  • Step 2 Configure a corresponding aggregation degree and a candidate level for the DCI when the UE carries N services.
  • the case where the UE carries i services and the UE carries i+j services is divided into one type, where 0 ⁇ j ⁇ 1, 1 ⁇ i ⁇ W; when the UE bears the service When the maximum number is W, it is divided into k types;
  • the degree of aggregation s p and the candidate level m p are configured for the DCI when the UE carries N services, where 1 ⁇ p ⁇ k, 1 ⁇ N ⁇ W.
  • Step 3 Send the DCI on the PDCCH.
  • the following describes the aggregation degree S-candidate level M set partitioning rule by taking the maximum of three services carried by the UE as an example:
  • the first rule is to divide the service carried by the UE into one type according to the specific conditions of the three services, and divide the two services into one type, and divide the three services into one type.
  • the second rule divides the UE to carry one or two services into one type, and carries three services into one type.
  • the third rule divides the UE to carry one service into one type, and carries 2 or 3 services into one type.
  • the case where the UE carries i services may be separately classified into one type, or may be classified into one type when the UE carries i+1 or i-1 services.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • UE1 has two uplink services, and adopts the same transmission mode, that is, a single antenna port transmission mode.
  • UE2 has three downlink services, and adopts different transmission modes, that is, an 8-layer beamforming transmission mode using transmit diversity, large delay CDD, and port 7-14, respectively.
  • Three service attribute packets are sequentially cascaded with UE attached to the tail Attribute package, which constitutes the multi-service DCI15 of UE2.
  • UE3 has four downlink services, which adopt transmit diversity, transmit diversity, large delay CDD, and closed-loop spatial multiplexing transmission mode.
  • the three service attribute packets are sequentially cascaded with a UE attribute package attached to the tail to form a multi-service DCI 18 of UE3.
  • the multi-service control channel design proposed in the embodiment of the present invention improves the control channel transmission spectrum utilization rate in the same UE multi-service situation, and selects a suitable DCI aggregation degree set to ensure the transmission performance of the control channel and reduces the number of blind detections. This completes efficient and reliable multi-service communication.
  • the present application further provides a device for transmitting a multi-service control channel, as shown in FIG. 5, applied to a physical downlink control channel PDCCH, where the device includes a processor, a program storage device, and a data storage device, and further includes:
  • the configuration module 11 is configured to configure multi-service downlink control information DCI, 1 ⁇ N when the user equipment UE carries N services, and is also applicable to DCI configuration when the UE carries N services. Degree of aggregation and candidate level;
  • the multi-service DCI includes a service attribute and a UE attribute, where the service attribute is a service attribute domain set of the N services, the service attribute domain includes service scheduling information, and the UE attribute is unique;
  • the sending module 12 is adapted to send the DCI configured by the configuration module on the PDCCH.
  • Each service corresponds to one service attribute domain; when the service carried by the UE is greater than or equal to 2, the transmission modes of any two services are the same or different;
  • the UE attributes of the services carried by the UE are the same.
  • the configuration module 11 is further configured to configure a corresponding aggregation degree for the DCI when the UE carries N services, and the candidate level refers to:
  • the degree of DCI aggregation s p and the candidate level m p when the UE carries N services where 1 ⁇ p ⁇ k, 1 ⁇ N ⁇ W.
  • the case where the UE carries i services and the UE carries i+j services is divided into one type, where 0 ⁇ j ⁇ 1, 1 ⁇ i ⁇ W;
  • the degree of aggregation s p and the configuration candidate level m p are configured.
  • the service scheduling information includes a modulation mode, a resource allocation, a HARQ retransmission, and a precoding.
  • multiple aggregation degrees S-candidate level M sets are defined according to multiple factors such as the number of multiple services N of the user UE, the transmission mode, the communication scenario, and the like, and the spectrum utilization of the PDCCH channel transmission when the same UE is multi-service can be improved.
  • the rate ensures the transmission performance of the control channel and reduces the number of DCI detections of the UE on the receiving side.

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Abstract

一种多业务控制信道发送的方法,应用于物理下行控制信道PDCCH,所述方法包括:当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;在所述PDCCH上发送所述DCI。本发明实施例根据用户UE的多业务个数N、传输方式、通信场景等等多种因素,定义多种聚合度S-候选级M集合,提高了同一UE多业务时PDCCH信道传输的频谱利用率,保证了控制信道的传输性能,减少了接收侧UE的DCI检测次数。

Description

一种多业务控制信道发送的方法和装置 技术领域
本发明涉及无线通信领域,具体涉及多业务的LTE PDCCH(Physical Downlink Control Channel,下行控制信道)发送的方法和装置。
背景技术
对于LTE无线通信系统,现有的PDCCH信道以多种DCI(Downlink Control Information,下行控制信息)格式发送,承载了PDSCH(Physical Downlink Shared Channel,物理下行共享信道)信道的调度以及控制信息,如传输格式、资源分配和上行调度许可等。
在同一用户设备UE的多业务通信应用时,即同一UE可以承载多个业务时,多个业务分别采用多个DCI进行控制信道调度的发送方式不具有最优的频谱利用率。
发明内容
本发明实施例提供一种针对同一设备UE多业务应用下的多业务控制信道发送的方法和装置,以提高PDCCH信道的频谱利用率,保证DCI传输性能,同时降低终端UE的DCI盲检测复杂度。
为了解决上述技术问题,本发明实施例提供了一种多业务控制信道发送的方法,应用于物理下行控制信道PDCCH,所述方法包括:
当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;
所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;
为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;
在所述PDCCH上发送所述DCI。
可选地,每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同;
所述UE承载的每个业务的UE属性相同。
可选地,为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级包括:
根据所述UE承载业务的最大个数W以及所述多业务DCI的的每一个业务的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
为所述UE承载N个业务时的DCI配置聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
可选地,根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个的类型,配置聚合度集合S和候选级集合M包括:
将所述UE承载i个业务和用户设备承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;
当所述UE承载业务的最大个数为W时,划分为k种类型;
同一类型的情况下配置聚合度sp以及配置候选级度mp
可选地,所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码。
本发明实施例还提供一种多业务控制信道发送的装置,应用于物理下行控制信道PDCCH,述装置包括:
配置模块,设置为当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;
其中,所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;
发送模块,设置为在所述PDCCH上发送所述配置模块配置的DCI。
可选地,每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同;
所述UE承载的每个业务的UE属性相同。
可选地,所述配置模块设置为为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级是指:
根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
为所述UE承载N个业务时的DCI配置聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
可选地,根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个的类型,配置聚合度集合S和候选级集合M是指:
将所述UE承载i个业务和UE承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;
当所述UE承载业务的最大个数为W时,划分为k种类型;
同一类型的情况下配置聚合度sp以及配置候选级度mp
可选地,所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码。
本发明实施例还提供一种计算机可读存储介质,所述存储介质存储有计算机程序,该计算机程序包括程序指令,当该程序指令被基站设备执行时,使得该设备可上述的多业务控制信道发送的方法。
上述方案的聚合度S-候选级M集合定义不唯一,可以在充分考虑UE的多业务个数N、传输方式、通信场景等因素的背景下,定义多种S-M集合,进行DCI自适应调度和盲检测,提高了同一UE多业务时PDCCH信道传输的频谱利用率,并根据多业务类型分类选择合适的聚合度集合,保证控制信道的传输性能,减少了接收侧UE的DCI检测次数。
附图概述
图1是本发明实施例的多业务控制信道发送的方法流程图;
图2是本发明实施例一中UE1的两个上行业务DCI12发送的方法示意图;
图3是本发明实施例一中UE2的三个下行业务DCI15发送的方法示意图;
图4是本发明实施例一中UE3的四个下行业务DCI18发送的方法示意图;
图5是本发明实施例的多业务控制信道发送的装置结构示意图。
本发明的较佳实施方式
下文中将结合附图对本申请的实施例进行详细说明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互任意组合。
图1是本发明实施例的多业务控制信道发送的方法流程图。如图1所示,为提高PDCCH信道的频谱利用率,本发明实施例提供一种多业务控制信道发送的方法,根据多业务实际情况选用合适的DCI调度聚合度S-候选级M集合,从而实现多业务控制信道的高频谱利用率以及可靠地控制信道传输。具体包括以下技术方案:
一种多业务控制信道发送的方法,应用于物理下行控制信道PDCCH,所述方法包括:
步骤一、当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;
所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一。
每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同,所述UE承载的各业务的UE属性 相同;所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码等。
步骤二、为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;
具体包括:
根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
在具体的操作过程,将所述UE承载i个业务和UE承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;当所述UE承载业务的最大个数为W时,划分为k种类型;
同一类型的情况下配置聚合度sp以及配置候选级度mp
为所述UE承载N个业务时的DCI配置聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
步骤三、在所述PDCCH上发送所述DCI。
需要说明的,sp和mp的取值可以根据实际情况做相应的设置,在此不做具体限定。
下面,以UE最多承载3个业务为例具体说明聚合度S-候选级M集合划分规则:
当UE最多承载3个业务时,可以有以下3种定义聚合度S-候选级M集合的规则:
第一种规则,根据3种业务具体情况,可以将UE承载1个业务划分为一种类型,承载2个业务划分为一种类型,承载3个业务划分为一种类型,在这种划分规则下,S={s1,s2,s3},M={m1,m2,m3};承载1个业务时取s1,m1,承载2个业务时取s2,m2,承载3个业务时取s3,m3
第二种规则,将UE承载1或2个业务划分为一种类型,承载3个业务 划分为一种类型,在这种划分规则下,S={s1,s2},M={m1,m2};承载1或2个业务时取s1,m1,承载3个业务时取s2,m2
第三种规则,将UE承载1个业务划分为一种类型,承载2或3个业务划分为一种类型,在这种划分规则下,S={s1,s2},M={m1,m2},承载1个业务时取s1,m1,承载2或3个业务时取s2,m2
当1<i<W时,UE承载i个业务的情况可以单独划分为一种类型,也可以和UE承载i+1或i-1个业务的情况划分为一类。
下面结合附图将对本发明实施例的技术方案作进一步的详细描述。
实施例一:
如图2所示,UE1有2个上行业务,采用相同的发射方式,即单天线端口发射模式。对应多业务DCI12,传输模式为TM12。由于只有2种业务,所以DCI12采用S1=[1、2、4、8]控制信道信元CCE聚合度,M1=[6、6、2、2]候选级进行调度和检测。
如图3所示,UE2有3个下行业务,采用不同的发射方式,即分别采用发射分集、大延迟CDD以及端口7-14的8层波束赋形发射模式。对应多业务DCI15,传输模式为TM15。由于有3种业务,所以DCI15采用S2=[2、4、8、16]CCE聚合度,M2=[2、2、2、2]候选级进行调度和检测。
本实施例中,DCI15的内容包括:1)第1#业务属性包,该业务采用资源分配类型0,占用0~3#资源块RB,MCS=4,RV=0,NDI=0等调度信息;2)第2#业务属性包,该业务采用资源分配类型0,占用8~35#RB,transport block1的MCS=16,RV=0,NDI=0,transport block2的MCS=16,RV=0,NDI=0等调度信息。3)第3#业务属性包,该业务采用资源分配类型0,占用40~79#RB,transport block1的MCS=20,RV=0,NDI=0,transport block2的MCS=25,RV=0,NDI=0,Antenna port(s),scrambling identity and number of layers=7等调度信息。在DCI的UE属性中定义Carrier indicator=0,SRS request=1等信息组成UE属性包。三个业务属性包顺序级联在尾部附加上UE  属性包,组成UE2的多业务DCI15。
如图4所示,UE3有4个下行业务,分别采用发射分集、发射分集、大延迟CDD以及闭环空间复用发射模式。对应多业务DCI18,传输模式为TM18。由于有4种业务,所以DCI18采用S3=[4、8、16、32]CCE聚合度,M3=[2、2、2、2]候选级进行调度和检测。
在UE3有4个下行业务的情况下,DCI18的内容包括:1)第1#业务属性包,该业务采用资源分配类型0,占用0~7#RB,MCS=9,RV=0,NDI=0等调度信息;2)第2#业务属性包,该业务采用资源分配类型0,占用8~19#RB,MCS=15,RV=0,NDI=0等调度信息;3)第3#业务属性包,该业务采用资源分配类型0,占用32~47#RB,transport block1的MCS=20,RV=0,NDI=0,transport block2的MCS=20,RV=0,NDI=0,Precoding information=2等调度信息。4)第4#业务属性包,该业务采用资源分配类型0,占用80~91#RB,transport block1的MCS=25,RV=0,NDI=0,transport block2的MCS=25,RV=0,NDI=0,Precoding information=2等调度信息。在DCI的UE属性中定义Carrier indicator=1,SRS request=1等信息组成UE属性包。三个业务属性包顺序级联在尾部附加上UE属性包,组成UE3的多业务DCI18。
本发明实施例提出的多业务控制信道设计提高了同一UE多业务情况时的控制信道传输频谱利用率,选用合适的DCI聚合度集合,保证了控制信道的传输性能,也降低了盲检测次数,从而完成了高效的、可靠的多业务通信。
同时,本申请还提供一种多业务控制信道发送的装置,如图5所示,应用于物理下行控制信道PDCCH,所述装置包括处理器、程序存储设备和数据存储设备,还包括:
配置模块11,适用于当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;还适用于为所述UE承载N个业务时的DCI配置相应 的聚合度以及候选级;
其中,所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;
发送模块12,适用于在所述PDCCH上发送所述配置模块配置的DCI。
较佳地,
每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同;
所述UE承载的各业务的UE属性相同。
较佳地,
所述配置模块11还适用于为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级是指:
根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
为所述UE承载N个业务时的DCI聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
较佳地,
根据所述UE承载业务的最大个数W以及各多业务DCI的类型,配置聚合度集合S和候选级集合M是指:
将所述UE承载i个业务和UE承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;
当所述UE承载业务的最大个数为W时,划分为k种类型;
同一类型的情况下配置聚合度sp以及配置候选级度mp
较佳地,
所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码。
本发明还可有其它多种实施例。例如,LTE下行多业务DCI格式定义有多种,这里可以定义若干适用与实际的通信应用场景的典型格式。同时,考虑到承载业务个数的情况会导致DCI长度不同,所以灵活地定义合适的CCE聚合度集合可以保证DCI的传输检测性能。聚合度集合的合理分类,也减少了DCI检测次数。在不背离本发明精神及其实质的情况下,熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件完成,所述程序可以存储于计算机可读存储介质中,如只读存储器、磁盘或光盘等。可选地,上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现,相应地,上述实施例中的各模块/模块可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。本申请不限制于任何特定形式的硬件和软件的结合。
工业实用性
本发明实施例根据用户UE的多业务个数N、传输方式、通信场景等等多种因素,定义多种聚合度S-候选级M集合,可以提高同一UE多业务时PDCCH信道传输的频谱利用率,保证控制信道的传输性能,减少接收侧UE的DCI检测次数。

Claims (11)

  1. 一种多业务控制信道发送的方法,应用于物理下行控制信道PDCCH,所述方法包括:
    当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;
    所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;
    为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;
    在所述PDCCH上发送所述DCI。
  2. 如权利要求1所述的方法,其中:
    每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同;
    所述UE承载的每个业务的UE属性相同。
  3. 如权利要求2所述的方法,其中:
    为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级包括:
    根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
    为所述UE承载N个业务时的DCI配置聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
  4. 如权利要求3所述的方法,其中:
    根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M包括:
    将所述UE承载i个业务和用户设备承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;
    当所述UE承载业务的最大个数为W时,划分为k种类型;
    同一类型的情况下配置聚合度sp以及配置候选级度mp
  5. 如权利要求1-4任一所述的方法,其中:
    所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码。
  6. 一种多业务控制信道发送的装置,应用于物理下行控制信道PDCCH,所述装置包括:
    配置模块,设置为当用户设备UE承载N个业务时,配置多业务下行控制信息DCI,1≤N;为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级;
    其中,所述多业务DCI中包括业务属性和UE属性,所述业务属性为所述N个业务各自的业务属性域集合,所述业务属性域含有业务调度信息,所述UE属性唯一;
    发送模块,设置为在所述PDCCH上发送所述配置模块配置的DCI。
  7. 如权利要求6所述的装置,其中:
    每个业务对应一个业务属性域;当所述UE承载的业务大于等于2时,任意两个业务的传输方式相同或者不相同;
    所述UE承载的每个业务的UE属性相同。
  8. 如权利要求7所述的装置,其中:
    所述配置模块设置为为所述UE承载N个业务时的DCI配置相应的聚合度以及候选级是指:
    根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M,其中,S={s1,s2,…sk},M={m1,m2,…mk},1≤k≤W;
    为所述UE承载N个业务时的DCI配置聚合度sp以及候选级mp,其中,1≤p≤k,1≤N≤W。
  9. 如权利要求8所述的装置,其中:
    根据所述UE承载业务的最大个数W以及所述多业务DCI的每一个业务的类型,配置聚合度集合S和候选级集合M是指:
    将所述UE承载i个业务和UE承载i+j个业务的情况划分为一种类型,其中,0≤j≤1,1≤i≤W;
    当所述UE承载业务的最大个数为W时,划分为k种类型;
    同一类型的情况下配置聚合度sp以及配置候选级度mp
  10. 如权利要求6-9任一所述的装置,其中:
    所述业务调度信息包括调制方式、资源分配、HARQ重传和预编码。
  11. 一种计算机可读存储介质,所述存储介质存储有计算机程序,该计算机程序包括程序指令,当该程序指令被基站设备执行时,使得该设备可执行权利要求1-5任一项的方法。
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