WO2016119407A1 - Procédé et dispositif de traitement de communication - Google Patents

Procédé et dispositif de traitement de communication Download PDF

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Publication number
WO2016119407A1
WO2016119407A1 PCT/CN2015/083600 CN2015083600W WO2016119407A1 WO 2016119407 A1 WO2016119407 A1 WO 2016119407A1 CN 2015083600 W CN2015083600 W CN 2015083600W WO 2016119407 A1 WO2016119407 A1 WO 2016119407A1
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WO
WIPO (PCT)
Prior art keywords
base station
source base
user equipment
subframe
subframes
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Application number
PCT/CN2015/083600
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English (en)
Chinese (zh)
Inventor
邹伟
Original Assignee
中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2016119407A1 publication Critical patent/WO2016119407A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off

Definitions

  • the specific switch pattern may be uniformly allocated by the central node, or may be generated by each cell and its neighboring cells through negotiation according to the detected interference condition.
  • Each unit time period in which the cell switch is performed in the pattern may be from one 1 millisecond (ms) subframe to multiple 10 ms radio frames, and the control duration of the entire pattern (ie, the entire switch pattern period) depends on the actual switch pattern used.
  • the length can range from a few ms to tens, hundreds, thousands of ms, or even longer. In this way, the relevant control information between the cells
  • the interaction can be performed according to the actual delay condition of the backhaul link, and a non-periodic or periodic switch control pattern of corresponding length is generated.
  • the embodiments of the present invention provide a communication processing method and apparatus, so as to at least solve the problem that the overall service quality is reduced when performing base station handover in the related art.
  • a communication processing method including: a first source base station of a user equipment determines that the user equipment needs to switch the first source base station; and the first source base station determines to use for handover a target base station; the first source base station allocates, to the second source base station and the target base station, a subframe for communicating with the user equipment of the first source base station, where the second source base station For the source base station connected to the user equipment except the first source base station, the number of the second source base stations is one or more.
  • the first source base station allocates, by the first source base station, the subframe for communicating with the user equipment to the second source base station and the target base station: a source base station assigns a first predetermined number of the subframes to the second source base station; the first source base station removes a first of the remaining subframes after the first predetermined number of the subframes Two predetermined number of subframes are allocated to the target base station.
  • the first source base station allocates the first predetermined number of the subframes to the second source base station, and the first source base station sends the location indication information of the subframe to the first a second source base station; the first source base station receives a response message returned by the second source base station, where the response message includes a first predetermined number of positions of the subframes accepted by the second source base station information.
  • the method further includes: And the source base station notifies the user equipment of the allocated subframe configuration update information of the subframe of the source base station; and after receiving the subframe configuration update confirmation message returned by the user equipment, The user equipment sends a reconfiguration message for performing base station handover; or the source base station sends a reconfiguration message for performing base station handover to the user equipment, where the reconfiguration message carries the allocated The subframe configuration update information of the subframe of the source base station.
  • the receiving, by the second source base station, the subframe allocated by the first source base station includes: the second source base station receiving location indication information of the subframe sent by the first source base station;
  • the second source base station selects a first predetermined number of the subframes from the subframe;
  • the second source base station sends a response message to the first source base station,
  • the response message includes location indication information of the first predetermined number of the subframes selected by the second source base station.
  • the subframe configuration update information is carried in a reconfiguration message sent by the first source base station to the user equipment, where the reconfiguration message is used by the user equipment to perform base station handover.
  • the device further includes: a notification module, configured to notify, to the user equipment, subframe configuration update information of the subframe of the source base station that is allocated; the first sending module is configured to receive Sending a reconfiguration message for performing base station handover to the user equipment after the subframe configuration update confirmation message returned by the user equipment; or, the second sending module is configured to send the base station handover to the user equipment And a reconfiguration message, where the reconfiguration message carries subframe configuration update information of the allocated subframe of the source base station.
  • a notification module configured to notify, to the user equipment, subframe configuration update information of the subframe of the source base station that is allocated
  • the first sending module is configured to receive Sending a reconfiguration message for performing base station handover to the user equipment after the subframe configuration update confirmation message returned by the user equipment
  • the second sending module is configured to send the base station handover to the user equipment
  • a reconfiguration message where the reconfiguration message carries subframe configuration update information of the allocated subframe of the source base station.
  • the second receiving module includes: a second receiving unit, configured to receive location indication information of the subframe sent by the first source base station; and a second selecting unit, configured to be from the subframe Selecting a first predetermined number of the subframes; the second sending unit is configured to send a response message to the first source base station, where the response message includes the first predetermined number selected by the target base station The position indication information of the subframe.
  • FIG. 4 is a flowchart of a fourth communication processing method according to an embodiment of the present invention.
  • FIG. 17 is a schematic diagram of a pattern switch scene according to an embodiment of the present invention.
  • 21 is a schematic diagram of a second multi-connection handover procedure according to an embodiment of the present invention.
  • Step S104 the first source base station determines a target base station for handover
  • the subframe configuration update message may be separately sent to the user equipment, and after receiving the acknowledgement message of the user equipment, the reconfiguration message for performing the base station handover is sent, and the subframe configuration update message is also It can be carried in the reconfiguration message and sent to the user equipment.
  • Step S204 The second source base station communicates with the user equipment by using a subframe allocated by the first source base station.
  • the second source base station connected to the user equipment receives the subframe allocated by the first source base station, and communicates with the user equipment by using the allocated subframe, thereby There may be more subframes for communication between the second source base station and the user equipment, which reduces the impact of the base station handover on the service, and solves the problem that the overall service quality is reduced when the base station handover occurs in the related art. Furthermore, the effect of completing the handover of the base station without affecting the quality of the service is achieved.
  • Step S404 the user equipment communicates with the second source base station and the target base station by using the subframe configuration update information.
  • a communication processing device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the first determining module 52 is configured to determine that the user equipment needs to switch the first source base station; the second determining module 54 is connected to the first determining module 52, and is configured to determine a target base station for handover; the distribution module 56 is connected to the foregoing The second determining module 54 is configured to allocate, to the second source base station and the target base station, the subframe used by the first source base station to communicate with the user equipment, where the second source base station is other than the first source base station A source base station connected to the user equipment, the number of the second source base stations being one or more.
  • a first allocating unit 62 configured to allocate a first predetermined number of subframes to the second source base station;
  • a second assigning unit 64 coupled to the first allocating unit 62, configured to remove the first predetermined number of subframes A second predetermined number of subframes in the remaining subframes are allocated to the target base station.
  • FIG. 9 is a structural block diagram of a third allocating unit 82 in the first communication processing apparatus according to an embodiment of the present invention. As shown in FIG. 9, the third allocating unit 82 includes a second transmitting subunit 92 and a second receiving subunit. 94. The third allocation unit 82 will be described below.
  • FIG. 10 is a block diagram showing a preferred structure of a communication processing apparatus according to an embodiment of the present invention.
  • the apparatus includes a notification module 102 and a first transmission module 104 in addition to all the modules shown in FIG. Or include the second transmitting module 106, which will be described below.
  • the notification module 102 is connected to the foregoing allocation module 56, and is configured to notify the user equipment of the subframe configuration update information of the subframe of the allocated source base station;
  • the first sending module 104 is connected to the notification module 102, and is configured to receive Sending a reconfiguration message for performing base station handover to the user equipment after the subframe configuration update confirmation message returned by the user equipment;
  • FIG. 11 is a structural block diagram of a second communication processing apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a second source base station of a user equipment.
  • the apparatus includes a first receiving module 112 and a first communication.
  • Module 114 the device will be described below.
  • the first receiving module 112 is configured to receive a subframe allocated by the first source base station of the user equipment after determining that the user equipment needs to switch the first source base station, where the second source base station is a user other than the first source base station a source base station to which the device is connected, the subframe is a subframe in which the first source base station communicates with the user equipment; the first communication module 114 is connected to the first receiving module 112, and is configured to use the subframe allocated by the first source base station and User equipment communicates.
  • FIG. 13 is a structural block diagram of a third communication processing apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a target base station, and includes a second receiving module 132 and a second communication module 134.
  • the apparatus will be described below.
  • the third receiving module 152 is configured to receive subframe configuration update information sent by the first source base station of the user equipment, where the subframe configuration update information is allocated by the first source base station after determining that the first source base station needs to be switched. Sub-frame configuration update information of the subframes of the two source base stations and the target base station, where the subframe is a subframe in which the first source base station and the user equipment communicate, and the second source base station is a user equipment other than the first source base station.
  • the connected source base station; the third communication module 154 is coupled to the third receiving module 152, and configured to communicate with the second source base station and the target base station by using the subframe configuration update information.
  • FIG. 17 is a schematic diagram of a pattern switch scenario in which a super-dense network (UDN) scenario in which a pattern switch mode of operation is applied is depicted in accordance with an embodiment of the present invention.
  • UDN super-dense network
  • the macro base station coverage can provide a wide range of radio link support, but the quality of the link is affected by the long transmission distance; each small base station provides a better wireless link for the terminal, and is used to enhance the network. capacity.
  • FIG. 18 is a schematic diagram of multi-connection communication according to an embodiment of the present invention, wherein a schematic diagram of a user performing multi-connection communication is described.
  • the pattern switching mode can effectively perform interference coordination in the case where the backhaul link is not ideal, it also limits the peak rate of the user to some extent. This is because each cell is in an OFF state in a part of the sub-frame segments, and the user cannot use this sub-frame for data transmission.
  • a multi-connection data transmission scheme can be adopted, that is, the user establishes multiple connections simultaneously with a plurality of adjacent cell base stations, and uses different connections for data transmission at different switch unit times.
  • Step S1906 The source base station sends a handover command (RRC Connection Reconfiguration Message) to initiate an actual user handover procedure, and simultaneously sends user related control information and data packets to the target base station.
  • a handover command RRC Connection Reconfiguration Message
  • Step S2006 the source base station and the other connected base stations of the multi-connection user perform multi-connection handover cooperative interaction: based on the switch pattern of each connected base station, the source base station allocates part of the ON subframes in the subframe configuration belonging to the to-be-switched connection to One or more other connections of the multi-connected user, so that other connections can be used after the start of the switch These subframes communicate with the multi-connected user.
  • the source base station also interacts with the handover target base station to notify the subframe configuration information that the new connection can be used after the handover starts.
  • the embodiment of the present invention further provides a computer storage medium, wherein a computer program is stored, and the computer program is used to execute the implementation method provided by the embodiment of the present invention.

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

Abstract

La présente invention concerne un procédé et un dispositif de traitement de communication, le procédé comprenant les opérations suivantes : une première station de base source d'un équipement utilisateur détermine que l'équipement utilisateur a besoin de commuter vers une première station de base source; la première station de base source détermine une station de base cible vers laquelle commuter; la première station de base source affecte la sous-trame de la première station de base source pour communiquer avec l'équipement utilisateur à une seconde station de base source et à la station de base cible, la seconde station de base source étant une station de base source qui est connectée à l'équipement utilisateur à l'exception de la première station de base source, et le nombre de la seconde station de base source étant un ou plus. Par la présente invention, le problème existant dans l'état de la technique associé selon lequel la qualité de service entière serait réduite lors de la commutation d'une station de base, est résolu, et l'effet d'achèvement de la commutation de station de base sans affecter la qualité de service est obtenu.
PCT/CN2015/083600 2015-01-29 2015-07-08 Procédé et dispositif de traitement de communication WO2016119407A1 (fr)

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CN201510047398.9A CN105992284A (zh) 2015-01-29 2015-01-29 通信处理方法及装置
CN201510047398.9 2015-01-29

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MX2019005176A (es) 2016-11-04 2019-09-04 Ericsson Telefon Ab L M Señalizacion de medicion de cambio de nodo secundario en red de radio de proxima generacion.
CN108207010B (zh) * 2016-12-20 2022-07-26 中兴通讯股份有限公司 一种无线链路管理的方法及装置、系统
CN110099417B (zh) 2018-01-30 2021-07-23 中国移动通信有限公司研究院 切换方法、信息交互方法、设备及计算机可读存储介质

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