WO2010099717A1 - 中继节点的入网方法及系统 - Google Patents
中继节点的入网方法及系统 Download PDFInfo
- Publication number
- WO2010099717A1 WO2010099717A1 PCT/CN2010/070709 CN2010070709W WO2010099717A1 WO 2010099717 A1 WO2010099717 A1 WO 2010099717A1 CN 2010070709 W CN2010070709 W CN 2010070709W WO 2010099717 A1 WO2010099717 A1 WO 2010099717A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- relay node
- message
- network
- base station
- access
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
Definitions
- the embodiment of the present invention provides a method and system for accessing a network of a relay node, a relay node, and a network access device of the relay node, so that when the relay node needs to access the network, the eNB can access the network through the eNB.
- the to-be-accessed relay node accesses the network.
- the RN is connected to the network by including an incoming message for identifying information of the relay node in the incoming message.
- the base station exchanges information with the core network entity and the relay node through the network access message received by the base station, which is used to identify the information of the relay node, so that when the relay node needs to access the network, the base station can directly access the network through the base station.
- FIG. 1a is a schematic diagram of a network architecture of an LTE according to an embodiment of the present invention
- Figure lb is a flowchart of a method for accessing a relay node according to an embodiment of the present invention.
- the relay layer 11 may include one or more relay nodes 110 coupled through air ports.
- the transport layer 12 may include one or more base stations 120 coupled to each other by optical fibers, and these base stations 120 may be optically coupled to the access gateway 14 described above.
- the base station 120 and the access gateway 14 can communicate with each other by optical, electrical or wireless methods.
- a plurality of signals may be transmitted through the optical path at the transport layer 12, and transmitted to the access gateway 14, the relay node 110 or other base stations via the base station 120, or transmitted to the user equipments 100A, 100B, and 100C through the air interface.
- the air interface is transmitted at the above-mentioned relay layer 11, and transmitted to the base station 120, the user equipment 100A, 100B, 100C or other relay nodes via the above-described relay node 110.
- the user equipments 100A, 100B, 100C may access the network through the base station 120 or through the relay node 110 and then through the base station 120, for example, through the same base station or relay node, or through different base stations or relays. Node access.
- the user equipments 100A, 100B and the relay node 110 can communicate through the interface, and the user equipment 100C can communicate directly with the base station 120 through the interface.
- the case where the user equipment 100C is directly connected to the base station 120 is called a single hop, and the link between each other is called a direct connection; when the user equipment 100A is connected to the base station 120 through a relay node, it is called Two hops; the case where the user equipment 100B is connected to the base station 120 through a plurality of (for example, three) relay nodes is called multi-hop.
- the relay nodes are connected through the ⁇ interface or other interfaces.
- the relay nodes are connected through the ⁇ interface or other interfaces.
- the network access message that is used to identify the information of the relay node may be a random access request message dedicated to the RN, or may be an initial signaling bearer connection establishment request message carrying the RN identification information.
- the RN adopts an RN-specific random access preamble sequence (Preamble) different from the UE, for example, the Preamble is divided into two subsets, one subset is used for allocation to the UE, and one subset is used for allocation to the RN.
- Preamble RN-specific random access preamble sequence
- the eNB After receiving the Preamble from the RN, the eNB returns a random access response message to the RN.
- the RN After receiving the security mode command, the RN confirms, and sends a security mode to the eNB.
- the eNB sends an initial data bearer connection establishment command to the RN to establish an initial data bearer.
- the eNB returns an RN attribute configuration completion message to the core network entity, and the RN capability reporting and configuration process is completed.
- a method for accessing a network of a relay node according to an embodiment of the present invention is described below as an example of a process in which at least two RNs access a network in a distributed access manner.
- the RN to be accessed monitors the PDCCH channel in one or several TTI window times to obtain the DL. Assigment indication.
- the RN to be accessed receives the random access response message on the PDSCH according to the DL assigment indication.
- the to-be-accessed RN synchronizes with the upper-level RN.
- the foregoing random access response message includes: a UL grant, an indication of sending an RRC connection setup request message, a TA, and a TC-RNTI
- the eNB may use the TC-RNTI of the RN to be accessed and the related information of the RN that is carried by the RN.
- the access RN establishes a routing entry, and returns an initial signaling bearer connection setup message to the next-level RN.
- the to-be-accessed RN upgrades the TC-RNTI to the C-RNTI, that is, the to-be-accessed RN confirms the TC-RNTI as a C-RNTI, and the upper-level RN cannot subdivide the TC-RNTI into other
- the RN to be accessed. 509-517 can refer to 307-315, and details are not described herein again.
- the RN incoming request acknowledgement message described above can be monitored by all RNs on the relay link, and each RN establishes a temporary route for the to-be-accessed RN according to the routing information of the RN to be accessed carried in the message. After the table, the messages are delivered in sequence, but the message is not modified.
- the RNs that forward the initial signaling bearer connection setup request message directly carry the initial signaling bearer.
- the connection establishment request message is forwarded to the upper-level relay node, and the related information of the RN is not added, and the RN passing through the relay link message does not establish a routing entry for the UE.
- the message receiving unit 801 is configured to receive an incoming network message sent by the relay node to be accessed, where the message includes information used to identify the relay node.
- the message sending unit 802 is configured to send the network access message including information for identifying the relay node to the base station.
- the temporary routing table establishing sub-unit is configured to receive a network access request acknowledgement message sent by the base station, and establish a temporary routing table according to the network access request acknowledgement message.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10748307A EP2405696B1 (en) | 2009-03-03 | 2010-02-23 | Method and system for relay node accessing network |
BRPI1009295-1A BRPI1009295B1 (pt) | 2009-03-03 | 2010-02-23 | método e sistema de comunicação para um nó de retransmissão acessar uma rede |
US13/225,072 US8625480B2 (en) | 2009-03-03 | 2011-09-02 | Method and system for a relay node to access a network |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101191113A CN101827451B (zh) | 2009-03-03 | 2009-03-03 | 中继节点的入网方法及装置 |
CN200910119111.3 | 2009-03-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/225,072 Continuation US8625480B2 (en) | 2009-03-03 | 2011-09-02 | Method and system for a relay node to access a network |
Publications (1)
Publication Number | Publication Date |
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WO2010099717A1 true WO2010099717A1 (zh) | 2010-09-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/070709 WO2010099717A1 (zh) | 2009-03-03 | 2010-02-23 | 中继节点的入网方法及系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8625480B2 (zh) |
EP (2) | EP2405696B1 (zh) |
CN (1) | CN101827451B (zh) |
BR (1) | BRPI1009295B1 (zh) |
WO (1) | WO2010099717A1 (zh) |
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CN101873668B (zh) * | 2009-04-24 | 2012-08-29 | 电信科学技术研究院 | 一种发起随机接入的方法、系统和装置 |
CN101877907A (zh) * | 2009-04-28 | 2010-11-03 | 大唐移动通信设备有限公司 | 基站识别中继节点的方法和系统、一种基站及中继节点 |
CN102404717B (zh) * | 2010-09-14 | 2015-08-12 | 中兴通讯股份有限公司 | 中继节点获取配置信息的方法及系统 |
CN102448186B (zh) * | 2010-10-14 | 2016-02-10 | 中兴通讯股份有限公司 | 一种中继节点启动的方法及其实现系统 |
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CN102761862B (zh) * | 2011-04-29 | 2017-05-24 | 中兴通讯股份有限公司 | 一种能力信息发送方法及系统 |
CN102833875B (zh) * | 2011-06-16 | 2016-05-25 | 华为技术有限公司 | 中继节点入网方法及相关装置 |
US9642058B2 (en) | 2011-09-30 | 2017-05-02 | Kyocera Corporation | Systems and methods for small cell uplink interference mitigation |
WO2013125227A1 (en) * | 2012-02-24 | 2013-08-29 | Nec Corporation | Radio communication system and communication method |
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EP2863701B1 (en) * | 2012-06-19 | 2019-12-18 | Huawei Technologies Co., Ltd. | Communication network, user equipment and signalling transmission method |
KR20140050764A (ko) * | 2012-10-19 | 2014-04-30 | 한국전자통신연구원 | 무선 중계 방법 및 이를 이용하는 중계 장치 |
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EP3451742B1 (en) * | 2016-05-26 | 2023-09-20 | Huawei Technologies Co., Ltd. | Transmission method for system message, and related device and communication system |
CN108632909B (zh) * | 2017-03-24 | 2019-08-23 | 电信科学技术研究院 | 一种QoS处理方法和装置 |
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CN110536474A (zh) * | 2019-09-30 | 2019-12-03 | 中兴通讯股份有限公司 | 随机接入方法、装置、第一通信节点和第二通信节点 |
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- 2009-03-03 CN CN2009101191113A patent/CN101827451B/zh active Active
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2010
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- 2010-02-23 EP EP10748307A patent/EP2405696B1/en active Active
- 2010-02-23 EP EP12188971.1A patent/EP2549826B1/en active Active
- 2010-02-23 BR BRPI1009295-1A patent/BRPI1009295B1/pt active IP Right Grant
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2011
- 2011-09-02 US US13/225,072 patent/US8625480B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP2549826A1 (en) | 2013-01-23 |
EP2405696A4 (en) | 2012-03-21 |
EP2405696B1 (en) | 2012-12-19 |
US20110317617A1 (en) | 2011-12-29 |
CN101827451A (zh) | 2010-09-08 |
BRPI1009295A2 (pt) | 2016-03-08 |
BRPI1009295B1 (pt) | 2021-02-23 |
EP2549826B1 (en) | 2016-11-02 |
US8625480B2 (en) | 2014-01-07 |
EP2405696A1 (en) | 2012-01-11 |
CN101827451B (zh) | 2012-12-12 |
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