WO2016065900A1 - Procédé et dispositif de transmission de signalisation de commande - Google Patents

Procédé et dispositif de transmission de signalisation de commande Download PDF

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Publication number
WO2016065900A1
WO2016065900A1 PCT/CN2015/080691 CN2015080691W WO2016065900A1 WO 2016065900 A1 WO2016065900 A1 WO 2016065900A1 CN 2015080691 W CN2015080691 W CN 2015080691W WO 2016065900 A1 WO2016065900 A1 WO 2016065900A1
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Prior art keywords
control signaling
mapping
service
transmission sequence
transmission
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PCT/CN2015/080691
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English (en)
Chinese (zh)
Inventor
魏继东
李萍
黄�俊
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中兴通讯股份有限公司
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Publication of WO2016065900A1 publication Critical patent/WO2016065900A1/fr

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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

Definitions

  • This document relates to the field of mobile communications, and in particular, to a multi-service control signaling transmission method and apparatus.
  • QoS Class Identifier (QCI) level is obtained to obtain the corresponding Quality of Service (QoS) guarantee.
  • the AM mode is generally configured to improve the accuracy of air interface transmission. The retransmission can ensure the packet error rate, but the packet delay is increased.
  • the invention provides a control signaling transmission method and device, which solves the problem that the efficiency and accuracy of the multi-service control transmission mode are poor in the related art.
  • a control signaling transmission method includes:
  • control signaling of the multiple services to be sent is encoded to obtain a transmission sequence including multiple information bits, including:
  • control signaling of the multiple services is mixed together and encoded to obtain a transmission sequence.
  • the transmission sequence is mapped to the PUSCH resource block of the multiple services and sent.
  • the transmission sequence is mapped to the PUSCH resource block of the multiple services and sent.
  • the transmission sequence is uniformly mapped to the resource block for transmission.
  • the transmitting the transmission sequence to the PUSCH resource block of the multiple services includes:
  • the transmission sequence is discretely mapped and transmitted in the entire resource block.
  • the transmitting the transmission sequence to the PUSCH resource block of the multiple services includes:
  • the information bits obtained by each service allocation are mapped to the resource blocks of the service and uniformly distributed.
  • control signaling of the multiple services to be sent is encoded to obtain a transmission sequence including multiple information bits, including:
  • control signaling is separately encoded according to the service classification, and the control signaling of each service corresponds to a transmission sequence.
  • the transmitting the transmission sequence to the PUSCH resource block of the multiple services includes:
  • the transmission sequence obtained by the control signaling encapsulation of each service is processed as follows:
  • the transmission sequence corresponding to the same service is mapped to the resource block of the service and sent.
  • the PUSCH resource block is a time domain resource block
  • mapping the transmission sequence to the PUSCH resource block includes:
  • mapping is performed by using a "top-down, row-by-row mapping" manner.
  • the PUSCH resource block is a frequency domain resource block
  • mapping the transmission sequence to the PUSCH resource includes:
  • the offset value when mapping the transmission sequence interval to the frequency domain resource block is determined according to the following expression:
  • N RB is the sum of RBs allocated to all services
  • O ACK is the sum of the number of encoded bits.
  • I the starting position of the map.
  • the method further includes: when mapping the transmission sequence to the PUSCH resource, adopt a modulation mode consistent with the PUSCH resource bearer data service.
  • the embodiment of the invention further provides a control signaling transmission device, including:
  • An encoding module configured to encode control signaling of multiple services to be sent, to obtain a transmission sequence including multiple information bits
  • the resource mapping module is configured to transmit the transmission sequence in a PUSCH resource block of the multiple services.
  • the encoding module includes:
  • the first coding unit is configured to mix control signaling of the multiple services together and perform coding to obtain a transmission sequence.
  • the resource mapping module includes:
  • a first resource statistics unit configured to collect all resource blocks of the multiple services
  • the first mapping unit is configured to uniformly map the transmission sequence to the resource block for transmission.
  • the resource mapping module further includes:
  • a second mapping unit configured to continuously and uniformly map the transmission sequence to the all resource blocks for transmission
  • the third mapping unit is configured to transmit the discrete sequence of the transmission sequence to the all resource blocks.
  • the resource mapping module includes:
  • the fourth resource statistics unit is configured to calculate the number of resource blocks occupied by each service
  • a fourth information distribution unit configured to allocate information bits in the transmission sequence to resource blocks of each service according to a quantity of resource blocks occupied by each service
  • the fourth mapping unit is configured to map the information bits obtained by each service allocation to the resource blocks of the service to be uniformly distributed and transmitted.
  • the encoding module further includes:
  • the second coding unit is configured to separately encode the control signaling for each service according to the service classification, and the control signaling of each of the codes corresponds to one transmission sequence.
  • the resource mapping module further includes:
  • the fifth mapping unit is configured to separately process the transmission sequence obtained by the control signaling of each service as follows:
  • the transmission sequence corresponding to the same service is mapped to the resource block of the service and sent.
  • the resource mapping module is configured to implement mapping the transmission sequence into the PUSCH resource block of the multiple services by:
  • mapping is performed by using a "bottom-up, row-by-row mapping" manner
  • mapping is performed by using a "top-down, row-by-row mapping" manner.
  • the resource mapping module is configured to implement the transmission sequence by: Mapping in the PUSCH resource block of the multiple services:
  • the PUSCH resource block is a frequency domain resource block, it is continuously mapped on a high frequency or intermediate frequency or low frequency frequency domain resource block, or the interval is mapped on the frequency domain resource block.
  • the resource mapping module is configured to determine an offset value when the transmission sequence interval is mapped to the frequency domain resource block according to the following expression:
  • N RB is the sum of RBs allocated to all services
  • O ACK is the sum of the number of encoded bits.
  • I the starting position of the map.
  • the resource mapping module is further configured to adopt a modulation mode consistent with the PUSCH resource bearer data service when the transmission sequence is mapped to the PUSCH resource.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • An embodiment of the present invention provides a control signaling transmission method and apparatus, which encodes control signaling of multiple services to be transmitted, obtains a transmission sequence including multiple information bits, and maps the transmission sequence to the multiple Transmitted in the PUSCH resource block of the service, the information bits in the transmission sequence are distributed in multiple PUSCH resource blocks, and the control signaling transmission with high efficiency and high accuracy is realized, and the multi-service control transmission in the related art is solved.
  • FIG. 1 is a flowchart of a method for transmitting control signaling according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of a mapping manner according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of still another mapping manner according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a control signaling transmission apparatus according to Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of an encoding module 501 of FIG. 5;
  • FIG. 7 is a schematic structural diagram of the resource mapping module 502 of FIG. 5.
  • the AM mode is generally configured to improve the accuracy of air interface transmission. The retransmission can ensure the packet error rate, but the packet delay is increased.
  • an embodiment of the present invention provides a control signaling transmission method and apparatus.
  • the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.
  • the embodiment of the present invention provides a control signaling transmission method, which solves the problem that the efficiency and accuracy of the multi-service control transmission mode are poor in the related art, and the multi-service condition is not defined in the LTE protocol in the prior art.
  • the provision of control signaling feedback on the physical uplink shared channel (PUSCH) also provides a processing solution for the multi-service signaling feedback on the PUSCH, and solves the problem on the PUSCH under the multi-service configuration condition.
  • the problem of signaling feedback is not defined in the LTE protocol in the prior art.
  • Step 101 Code control signaling of multiple services to be sent, to obtain a transmission sequence including multiple information bits.
  • the control signaling of the multiple services may be mixed together and encoded to obtain a transmission sequence, that is, the source bits of each downlink service that need to be fed back are originally coded for the original bits;
  • the control signaling is separately coded according to the service classification, and the control signaling of each service is corresponding to a transmission sequence, such as the source bits of different downlink services carried by each uplink service.
  • the control signaling of the downlink service of the signaling is separately coded separately, and the coded bits of some services are cascaded and transmitted on the corresponding uplink service according to requirements.
  • Step 102 Mapping the transmission sequence to a PUSCH resource block of the multiple services, where
  • the transmission can be mapped as follows:
  • the information bits obtained by each service allocation are mapped to the resource blocks of the service and uniformly distributed.
  • the transmission sequence obtained by the control signaling encapsulation of each service is processed as follows:
  • the transmission sequence corresponding to the same service is mapped to the resource block of the service and sent.
  • mapping the transmission sequence to the PUSCH resource block includes:
  • mapping is performed by using a "bottom-up, row-by-row mapping" manner
  • mapping is performed by using a "top-down, row-by-row mapping" manner.
  • the PUSCH resource block is a frequency domain resource block (such as an RB)
  • the PUSCH resource is continuously mapped on a high frequency or intermediate frequency or low frequency frequency domain resource block, or the interval is mapped on a frequency domain resource block.
  • a modulation mode consistent with the PUSCH resource bearer data service is adopted.
  • the embodiments of the present invention mainly propose two schemes, one of which is to map the information bits encoded by the control signaling hybrid request response HARQ-ACK or the Rank Indication (RI) required to be fed back to the bearer PUSCH resource block (below)
  • RI Rank Indication
  • the resources that are carried include the resources occupied by each service that needs feedback control signaling. When mapping on the occupied symbols, it can be evenly distributed or “bottom-up, line-by-line mapping”.
  • the principle of the modulation mode may be the maximum modulation mode adopted by each data service, or the minimum mode or the modulation mode adopted according to the data mapped to each resource block; secondly, the resource mapping is performed by the service, that is, Each uplink service needs feedback information bits to be input to the resource mapping module, and the control signaling of each service is mapped on each corresponding uplink service resource block, and the mapping principle time domain adopts “bottom-up, line-by-line mapping”. Principle; when mapping in the frequency domain, you can choose to continuously map on high, medium or low frequency resources, or at equal intervals or not Map a bearer on the resource block. Mapping of control signaling is preferably performed in the time domain.
  • the modulation mode can select a modulation mode that is consistent with the service data, or a modulation method that is inconsistent with the data service. The specific scheme is described as follows:
  • Solution 1 The control signaling HARQ-ACK or RI that needs to be fed back is uniformly coded or the bit sequence after the downlink service coding of each feedback is cascaded and mapped to the resource block of the corresponding bearer, and the resource block includes one or A resource block (a resource block is used to carry control signaling services) that is shared by multiple services.
  • the symbols of the control signaling in the interleaver may be “bottom-up, row-by-row” (first defining the index ordering, starting from the lower left corner) The initial index value, and then define the starting value of the row and column as 0, then the row value is incremented upward, and the column value is increased to the right.
  • the principle is shown in Figure 2; it can also be evenly distributed in the frequency domain.
  • resource mapping is preferably performed on the time domain. If the control signaling feedback is carried on multiple services, the resource mapping method may be extended by the resource mapping principle of the single service, or the control signaling carried on each service may be balanced to satisfy the HARQ-ACK as much as possible. Or the principle that RI balances the impact of all businesses.
  • the control signaling carried on each service may be equalized.
  • the method may also adopt the size and modulation of the resource block in advance.
  • the method of assigning feedback bit lengths on each resource block in different manners, different data bit rates, or different error rates of QCIs corresponding to different uplink services may follow the principle that the occupied resource blocks are larger and the feedback is encoded. The longer the bit length is, or the more the QCI error rate is allocated, the less resources are allocated for transmission control signaling, or the priority of different uplink service bearer control signaling is selected according to the bit error rate of the QCI, so that priority is given. Level to select the uplink service carrying the transmission of control signaling, etc.
  • the length of information that each service needs to feed back is The M RB indicates the number of resource blocks occupied by all uplink services carrying control signaling, M s-1 indicates the number of resource blocks occupied by the s-1 uplink service, and s indicates that the bearer needs feedback control signaling.
  • the total number of services, then the bit length of the last service feedback is Then, the control bit information resource mapping is performed on the corresponding service resource block, and the mapping principle follows “from bottom to top, row by row”. As shown in Figure 4.
  • Each service separately performs resource mapping on the control signaling bits that need to be fed back, that is, each service needs feedback information bits to be input to the resource mapping module, and the control signaling is mapped on each feedback service resource block, and mapping
  • the principle adopts the principle of “bottom-up, line-by-line mapping” in the time domain.
  • mapping in the frequency domain you can choose to continuously map on high, medium or low frequency resources, or map the resources in equal or unequal intervals.
  • the mapping of the control signaling is performed in the time domain.
  • the modulation mode may select a modulation mode that is consistent with the service data, or a modulation mode that is inconsistent with the data service, and preferably a modulation mode that is consistent with the service.
  • the scheme is relatively simple in the implementation process, and the original bits of the information fed back in each service may be the same or different, and the present invention is not limited thereto.
  • the embodiment of the present invention provides a control signaling transmission method, which is described by taking HARQ-ACK as an example. Specific steps are as follows:
  • Step 1 Control signaling bit coding.
  • the information bits that need to be fed back are encoded together, and then mapped on the PUSCH service resource block that needs to be fed back. If it is less than 3 bits, "simple block coding" is adopted, and then a sequence of length Q ACK is formed in a "block repetition”manner; if it is greater than or equal to 3 bits, RM coding is used, and then the length of the coded output is 32. The sequence is simply repeated to form a transmission sequence of length Q ACK .
  • the specific encoding process is not described in detail here, that is, the encoded control signaling bit is expressed as
  • the code rate of the encoded control information may be calculated relative to the code rate of one of the bearer services, or may be selected on the entire bearer code block.
  • the average code rate of the data may also be selected to consider the difference between the different code rates of each carried uplink service to select an appropriate control information coding rate.
  • Step 2 Control resource mapping of signaling bits.
  • the bearer of the HARQ-ACK control signaling bit is performed on all the uplink services, and the principle of the bearer is uniformly distributed on the resource blocks of each service. If the control signaling is carried over the multi-service, the control signaling carried on each service can be equalized.
  • the document proposes another mapping method. ,As shown in Figure 3. Where the method defines the row offset value And the starting position of the HARQ-ACK mapping which is
  • N RB is the sum of RBs allocated to all services
  • O ACK is the sum of the number of encoded bits
  • the corresponding position may be that the position corresponding to the first symbol of the last row of the corresponding resource block is the starting position, or the position corresponding to the first symbol of the first row of the corresponding resource block is The starting position is counted. The difference between the two starting positions is that if the starting position is calculated according to the symbol occupied by the first HARQ-ACK of the last line, the resource mapping is mapped from bottom to top; If the start position of the sign bit occupied by the first HARQ-ACK in the first row is calculated, the resource mapping is mapped from top to bottom.
  • the embodiment of the present invention provides a control signaling transmission method, which is described by taking HARQ-ACK as an example. Specific steps are as follows:
  • Step 1 Control signaling bit coding.
  • the information bits that need to be fed back are encoded together, and then mapped on the PUSCH service resource block that needs to be fed back. If it is less than 3 bits, "simple block coding" is adopted, and then a sequence of length Q ACK is formed in a "block repetition”manner; if it is greater than or equal to 3 bits, RM coding is used, and then the length of the coded output is 32. The sequence is simply repeated to form a transmission sequence of length Q ACK .
  • the specific encoding process is not described in detail here, that is, the encoded control signaling bit is expressed as
  • Step 2 Control resource mapping of signaling bits.
  • the bearer of the HARQ-ACK control signaling bit is performed on all the uplink services, and the principle of the bearer is uniformly distributed on the resource blocks of each service. If the control signaling is carried on multiple services, the control signaling carried on each service may be equalized.
  • the method may also adopt the size and modulation of the resource block in advance. In the manner of different data rate and the like, the allocation of the feedback bit length on each resource block is basically followed by the principle that the larger the occupied resource block is, the longer the encoded bit length of the feedback is allocated, that is, the occupied resource is used.
  • M RB indicates the number of resource blocks occupied by all uplink services carrying control signaling
  • M s-1 indicates the number of resource blocks occupied by the s-1 uplink service
  • s indicates that the bearer needs feedback control signaling.
  • the total number of services, then the bit length of the last service feedback is Then, the control bit information resource mapping is performed on the corresponding service resource block, and the mapping principle follows “from bottom to top, row by row”. As shown in Figure 4.
  • the embodiment of the present invention provides a control signaling transmission method, which is described by taking HARQ-ACK as an example. Specific steps are as follows:
  • Step 1 Control signaling bit coding.
  • information bits fed back on each uplink service are separately encoded and then mapped on corresponding service resource blocks. If it is less than 3 bits, "simple block coding" is adopted, and then a sequence of length Q ACK is formed in a "block repetition”manner; if it is greater than or equal to 3 bits, RM coding is used, and then the length of the coded output is 32. The sequence is simply repeated to form a transmission sequence of length Q ACK .
  • the specific encoding process is not described in detail here, that is, the encoded control signaling bit is expressed as
  • Step 2 Control resource mapping of signaling bits.
  • Each service separately performs resource mapping on the control signaling bits that need to be fed back, that is, each service needs feedback information bits to be input to the resource mapping module, and control signaling is mapped on each feedback service resource block, and the mapping principle is adopted. From bottom to top, the principle of mapping line by line. This scheme is relatively simple in the implementation process. If the original bits of the information fed back on each service are the same, although the decoding performance of the control signaling is improved, at the same time, the transmitted service data is greatly affected and improved. The code rate of the service data has a certain influence on the demodulation performance of the data; if each service feeds back independent control signaling, that is, the control signaling of each uplink service feedback is irrelevant.
  • the transmission sequence of the control signaling when the transmission sequence of the control signaling is mapped to the resource block, the transmission sequence may adopt a modulation manner that is consistent or inconsistent with the data service.
  • the embodiment of the invention provides a control signaling transmission device, and its structure is as shown in FIG. 5, including:
  • the encoding module 501 is configured to encode control signaling of multiple services to be sent to obtain a transmission sequence including multiple information bits.
  • the resource mapping module 502 is configured to transmit the transmission sequence in a PUSCH resource block of the multiple services.
  • the resource mapping module is configured to implement mapping the transmission sequence into the PUSCH resource block of the multiple services by:
  • mapping is performed by using a "bottom-up, row-by-row mapping" manner
  • the mapping is "from top to bottom, line by line".
  • the resource mapping module is configured to implement mapping the transmission sequence into the PUSCH resource block of the multiple services by:
  • the PUSCH resource block is a frequency domain resource block, it is continuously mapped on a high frequency or intermediate frequency or low frequency frequency domain resource block, or the interval is mapped on the frequency domain resource block.
  • the resource mapping module is configured to determine an offset value when mapping the transmission sequence interval to a frequency domain resource block according to the following expression:
  • N RB is the sum of RBs allocated to all services
  • O ACK is the sum of the number of encoded bits.
  • I the starting position of the map.
  • the resource mapping module is further configured to adopt a modulation mode consistent with the PUSCH resource bearer data service when the transmission sequence is mapped to the PUSCH resource.
  • the structure of the encoding module 501 is as shown in FIG. 6, and includes:
  • the first coding unit 601 is configured to mix control signaling of the multiple services together and perform coding to obtain a transmission sequence.
  • the encoding module 501 further includes:
  • the second coding unit 602 is configured to separately encode the control signaling of each service according to the service classification, and the control signaling of each of the codes corresponds to one transmission sequence.
  • the structure of the resource mapping module 502 is as shown in FIG. 7, and includes:
  • the first resource statistics unit 701 is configured to collect all resource blocks of the multiple services
  • the first mapping unit 702 is configured to uniformly map the transmission sequence to the resource block for transmission.
  • the resource mapping module 502 further includes:
  • a second mapping unit 703, configured to continuously and uniformly map the transmission sequence to the whole Sent in the resource block;
  • the third mapping unit 704 is configured to transmit the discrete sequence of the transmission sequence in the total resource block.
  • the resource mapping module 502 further includes:
  • the fourth resource statistics unit 705 is configured to calculate the number of resource blocks occupied by each service
  • the fourth information distribution unit 706 is configured to allocate information bits in the transmission sequence to the resource blocks of each service according to the number of resource blocks occupied by each service;
  • the fourth mapping unit 707 is configured to map the information bits obtained by each service allocation to the resource blocks of the service to be uniformly distributed and transmitted.
  • the resource mapping module 502 further includes:
  • the fifth mapping unit 708 is configured to separately process the transmission sequence encapsulated by the control signaling of each service as follows:
  • the transmission sequence corresponding to the same service is mapped to the resource block of the service and sent.
  • the above control signaling transmission device can be integrated in the network side device, and the device performs the corresponding function.
  • An embodiment of the present invention provides a control signaling transmission method and apparatus, which encodes control signaling of multiple services to be transmitted, obtains a transmission sequence including multiple information bits, and maps the transmission sequence to the multiple Transmitted in the PUSCH resource block of the service, the information bits in the transmission sequence are distributed in multiple PUSCH resource blocks, and the control signaling transmission with high efficiency and high accuracy is realized, and the multi-service control transmission in the related art is solved.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the invention is not limited to any specific combination of hardware and software.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • each device/function module/functional unit in the above embodiment When each device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the above technical solution realizes high-efficiency and high-accuracy control signaling transmission, and solves the problem that the efficiency and accuracy of the multi-service control transmission mode are poor in the related art.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un dispositif et un procédé de transmission de signalisation de commande, qui sont liés au domaine des communications mobiles et résolvent le problème dans l'état de la technique de faibles efficacité et précision d'un mode de transmission de commande à services multiples. Le procédé comprend les étapes suivantes : le codage d'une signalisation de commande à envoyer de multiples services, afin d'obtenir une séquence de transmission contenant de multiples bits d'informations ; et mise en correspondance de la séquence de transmission dans des blocs de ressources PUSCH des multiples services puis envoi des blocs de ressources PUSCH. La solution technique est appropriée pour la LTE et obtient une transmission de signalisation de commande ayant une efficacité et une précision élevées.
PCT/CN2015/080691 2014-10-27 2015-06-03 Procédé et dispositif de transmission de signalisation de commande WO2016065900A1 (fr)

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CN101039160A (zh) * 2006-03-17 2007-09-19 华为技术有限公司 共享控制信道资源的复用***、方法及其接收设备
CN103326763A (zh) * 2012-03-19 2013-09-25 上海贝尔股份有限公司 上行链路控制信息的传输方法
CN103973397A (zh) * 2013-01-29 2014-08-06 中兴通讯股份有限公司 Ack/nack信息的发送及接收方法、基站及终端

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Publication number Priority date Publication date Assignee Title
CN101039160A (zh) * 2006-03-17 2007-09-19 华为技术有限公司 共享控制信道资源的复用***、方法及其接收设备
CN103326763A (zh) * 2012-03-19 2013-09-25 上海贝尔股份有限公司 上行链路控制信息的传输方法
CN103973397A (zh) * 2013-01-29 2014-08-06 中兴通讯股份有限公司 Ack/nack信息的发送及接收方法、基站及终端

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