WO2017211276A1 - Procédé de gestion d'entité, entité mac, système, et support de stockage informatique - Google Patents

Procédé de gestion d'entité, entité mac, système, et support de stockage informatique Download PDF

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Publication number
WO2017211276A1
WO2017211276A1 PCT/CN2017/087344 CN2017087344W WO2017211276A1 WO 2017211276 A1 WO2017211276 A1 WO 2017211276A1 CN 2017087344 W CN2017087344 W CN 2017087344W WO 2017211276 A1 WO2017211276 A1 WO 2017211276A1
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WIPO (PCT)
Prior art keywords
mac entity
real
entity
control
mac
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PCT/CN2017/087344
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English (en)
Chinese (zh)
Inventor
孙军帅
王莹莹
黄学艳
陈卓
易芝玲
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201610403739.6A external-priority patent/CN107484250B/zh
Priority claimed from CN201610455026.4A external-priority patent/CN107528814B/zh
Priority claimed from CN201610587013.2A external-priority patent/CN107645743B/zh
Application filed by 中国移动通信有限公司研究院, 中国移动通信集团公司 filed Critical 中国移动通信有限公司研究院
Publication of WO2017211276A1 publication Critical patent/WO2017211276A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the RRC signaling includes, but is not limited to, air interface switching signaling and/or radio link reconfiguration signaling, and other signaling control for the physical link, such as a change of the air interface format and a change of the air interface physical channel.
  • the current RT-MAC entity has a large load, it is determined that the number of users that it can carry is small, and vice versa. Further, if the load of an RT-MAC entity is large, it can be allocated a service type for carrying a small load demand. Therefore, it is possible to select a reasonable number of users or user service types for each RT-MAC (to ensure the QoS requirements of the service).
  • the traffic control information for the RB is used to notify at least one of a PDCP entity, a DRC entity, and an RLC entity to control traffic of an RB mapped to at least one real-time MAC entity.
  • the fast control MAC entity performs at least one function adjustment on the PDCP entity
  • the DDR function module is mainly used for completing the distribution of data received from the PDCP to the RLCcenter/RLCremote, and receiving the reorganization from the RLCcenter/RLCremote, and then submitting the control to the PDCP and the RLCcenter/RLCremote in sequence;
  • the RLC entity may include the RLCcenter and the RLCremote functional entity, and the two functional entities are Mutually-exclusive RLC Entity, that is, when the RLCcenter exists, the RLCremote does not exist. Similarly, when the RLCremote exists, There is RLCcenter. RLCcenter/RLCremote.
  • the wireless quality management function of the small interval is used to manage the quality of the wireless air interface of each cell and provide parameter support for the cooperation between the cells.
  • the function module uses a correlation algorithm according to the channel quality of each UE in the cell to calculate the average air interface quality and related interference of each cell to determine the load capacity of the cell.
  • the MAC schedules a specific UE that each cell can support, it needs to make a decision according to the radio quality of the cell.
  • the PDU control function for the terminal device when the packets transmitted by the UE meet the size indicated by the MAC, it is ensured that the RLC does not have any influence, and the SN number of the RLC cannot be violently changed, and the RLC is removed from the traditional function. New features, etc.
  • the size of the SDU sent by the UE in the cell is determined.
  • the PDU Controller obtains the packet from the RLC, and the PDU Controller ensures the PDU sent by multiple cells according to the corresponding algorithm. Does not affect the RLC.
  • the generating the control signaling by using the fast control MAC entity set in the RCC further includes:
  • the fast control MAC entity selects an air interface bearer mode for the terminal device
  • the selected air interface bearer mode may use the OFDM+CDMA mode to carry user data and signaling, or use non-orthogonal physical layer technology to enable fast data transmission and reception of some users.
  • the air interface carrying mode of the terminal device is not exhaustive.
  • the fast control MAC entity set in the RCC Acquiring, by the fast control MAC entity set in the RCC, the uplink signaling uploaded by the at least one terminal device from the at least one real-time MAC entity, and parsing and processing the uplink signaling.
  • the Unicast Scheduling/Priority Handling and the Multiplexing UE complete the scheduling of the UE in the carrier, and the function is the same as the traditional MAC function, and completes the mapping of the physical channel carried by the carrier in the carrier channel of the UE in the cell.
  • Uplink CCCH function The UE can select the most suitable air interface channel to send to the network side according to the channel quality (measurement from the physical layer) on each cell. That is, the UE can be on different cells during the random access process.
  • the Msg1/Msg3 is sent separately, so the CCCH needs to be scheduled by the cell and the UE.
  • the application provides a fast control MAC entity, as shown in FIG. 7a, including:
  • the number of the terminal devices that determine the bearer of each real-time MAC entity and the type of the carried service may also be included, as follows:
  • the command generating unit is configured to select an air interface bearer mode for the terminal device, and generate a scheduling instruction for the target real-time MAC entity of the terminal device based on the air interface bearer mode selected by the terminal device.
  • the fast control MAC entity selects an air interface bearer mode for the terminal device,
  • the determining manner may be: the various measurement information of each terminal device reported by the RT-MAC and the physical layer (PHY), and the transmission resource requirements of each terminal device in the air interface are accurately perceived by the measurement information of the respective terminal devices; The content of the signaling to the RRC entity; the air interface bearer mode is selected for each terminal device in combination with the transmission resource requirements of the respective terminal devices in the air interface and the signaling content of the RRC entity.
  • the fast control MAC entity further includes:
  • the at least one entity may have at least one of the following functions:
  • Packets are sent in order and delivered in order; segmentation and concatenation of transmitted packets; reassembly of data packets, retransmission (ARQ process), re-segmentation (segment transmission of retransmission packets)
  • Re-establishment process data is delivered in an out-of-order manner, which can be implemented by RLC entities in the data link layer.
  • Dynamic scheduling control of PDCP/DDR/RLC functional entity functions According to the overall control of the RRC signaling (the RRC through the signaling configuration function optional set, the MAC selects a specific function for the PDCP/DDR/RLC in the function set), the PDCP/DDR/RLC function is dynamically fine-tuned.
  • the DDR function module is mainly used for completing the distribution of data received from the PDCP to the RLCcenter/RLCremote, and receiving the reorganization from the RLCcenter/RLCremote, and then submitting the control to the PDCP and the RLCcenter/RLCremote in sequence;
  • the function of the MAC can be seen in Figure 5a. It can be seen that in the LTE architecture, the functions of radio resource management, channel quality management, and PDU control are currently performed by the MAC, and further based on the foregoing management functions. The cell allocation of the terminal device is determined, and then each terminal device is scheduled.
  • the signaling generating unit is configured to allocate a radio bearer (RB) to the terminal device; and map the allocated RB to the target real-time MAC entity.
  • RB radio bearer
  • the unicast scheduling (Unicast Scheduling)/Priority Handling for UEs in cell and the function of Multiplexing UEi in CC in the component carrier are completed.
  • the user-to-carrier scheduling in the cell completes the mapping of the UE from the carrier to the transport channel carried by the carrier in the cell.
  • the signaling processing unit 78 is configured to acquire uplink signaling uploaded by the at least one terminal device from the at least one real-time MAC entity by using a fast control MAC entity that is set in the RCC, and parse and process the uplink signaling.
  • the present application provides an entity management system. As shown in FIG. 9, the system includes: a fast control MAC entity 91 and at least one real-time MAC entity 92;
  • a fast control MAC entity 91 for determining for the at least one real-time MAC entity Scheduling an instruction; transmitting the scheduling instruction to the at least one real-time MAC entity;
  • An RRC entity 93 configured to provide RRC signaling content for the fast control MAC entity
  • the system further includes: a PDCP entity 94, a DRC entity 95, and an RLC entity 96;
  • the function of the central control unit is to be able to perform big data operations, and after completing the big data operation, generate corresponding operation results, and send the generated operation results to the distribution unit;
  • the MAC function entity provides a unified radio resource interface for the user. Supporting the user with the amount of data that the user can send, and the form of the wireless resource is hidden from the user.
  • the two-level MAC is the cross-cell MAC (for example, it can be a specific implementation of the MAC entity).
  • Mode and intra-cell MAC (may be the foregoing embodiment
  • Real-time scheduling of a real-time MAC entity the radio resources in the scheduling cell and the scheduling cell do not have any impact on the user's service bearer (Serve Bearer), and can be selected in real time according to the channel quality of the user in the air interface.
  • the radio resource that satisfies the user's service quality requirements transmits and receives data, and realizes that the cell completely serves the user.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de gestion d'entité, une entité de commande d'accès au support (MAC) de commande rapide, un système et un support de stockage. Le procédé comprend les étapes suivantes : une entité MAC de commande rapide détermine une instruction de programmation destinée à au moins une entité MAC en temps réel ; et l'entité MAC de commande rapide envoie l'instruction de programmation à ladite entité MAC en temps réel.
PCT/CN2017/087344 2016-06-07 2017-06-06 Procédé de gestion d'entité, entité mac, système, et support de stockage informatique WO2017211276A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201610403739.6A CN107484250B (zh) 2016-06-07 2016-06-07 一种实体管理方法、快速控制媒介访问控制实体及系统
CN201610403739.6 2016-06-07
CN201610455026.4 2016-06-21
CN201610455026.4A CN107528814B (zh) 2016-06-21 2016-06-21 一种实体管理方法、快速控制媒介访问控制实体及系统
CN201610587013.2 2016-07-22
CN201610587013.2A CN107645743B (zh) 2016-07-22 2016-07-22 一种以用户为中心的业务提供方法及装置

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WO2017211276A1 true WO2017211276A1 (fr) 2017-12-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110321220A (zh) * 2019-06-18 2019-10-11 上海交通大学 一种针对drc的mac层内存池及其划分方法

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US20140056238A1 (en) * 2012-03-16 2014-02-27 Telefonaktiebolaget L M Ericsson (Publ) Method and base station for controlling transmission of data streams to user equipments in a wireless communication system
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CN102119501A (zh) * 2008-08-08 2011-07-06 交互数字专利控股公司 Mac重置和重新配置
CN101442399A (zh) * 2008-12-25 2009-05-27 北京星河亮点通信软件有限责任公司 高速下行分组接入协议栈的实现方法和基站
US20140056238A1 (en) * 2012-03-16 2014-02-27 Telefonaktiebolaget L M Ericsson (Publ) Method and base station for controlling transmission of data streams to user equipments in a wireless communication system
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110321220A (zh) * 2019-06-18 2019-10-11 上海交通大学 一种针对drc的mac层内存池及其划分方法
CN110321220B (zh) * 2019-06-18 2023-06-27 上海交通大学 一种针对drc的mac层内存池及其划分方法

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