WO2014000489A1 - Procédé pour l'établissement d'une liaison de communication entre un rru multimode et un bbu, et rru multimode et bbu correspondants - Google Patents

Procédé pour l'établissement d'une liaison de communication entre un rru multimode et un bbu, et rru multimode et bbu correspondants Download PDF

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Publication number
WO2014000489A1
WO2014000489A1 PCT/CN2013/073587 CN2013073587W WO2014000489A1 WO 2014000489 A1 WO2014000489 A1 WO 2014000489A1 CN 2013073587 W CN2013073587 W CN 2013073587W WO 2014000489 A1 WO2014000489 A1 WO 2014000489A1
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Prior art keywords
address
rec
recs
broadcast message
communication link
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PCT/CN2013/073587
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English (en)
Chinese (zh)
Inventor
白丘
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华为技术有限公司
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Publication of WO2014000489A1 publication Critical patent/WO2014000489A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method and apparatus for establishing a communication link between multi-mode distributed base stations, that is, establishing a multi-mode radio remote unit (in English, it may be a Remote Radio Unit, and the abbreviation may be an RRU)
  • a multi-mode radio remote unit in English, it may be a Remote Radio Unit, and the abbreviation may be an RRU
  • a method of communicating links with a baseband unit which may be a Baseband Unit in English, which may be a BBU
  • a multimode RRU and a BBU.
  • Wireless distributed base stations usually refer to BBUs and RRUs, and BBUs and RRUs are generally connected by optical fibers.
  • the proposed link establishment scheme between the single mode BBU and the single mode RRU can support the interconnection between the heterogeneous single mode BBU and the single mode RRU.
  • multi-mode base stations such as multi-mode BBUs or multi-mode RRUs
  • multi-mode base stations such as multi-mode BBUs or multi-mode RRUs
  • a standard unit is required to forward messages of other standards, thereby increasing the coupling between the systems.
  • the embodiment of the invention provides a method for establishing a communication link between a multi-mode RRU and a BBU, a multi-mode RRU and a BBU, and aims to solve the problem that it is difficult to establish a communication link between the multi-mode RRU and the BBU.
  • a method for establishing a communication link between a multimode RRU and a BBU is proposed, the multimode RRU A multi-mode wireless device (RE, Radio Equipment) is configured, the BBU includes one or more RECs, and each of the RECs supports a system, and the method includes: the RE from the one or more RECs Obtaining one or more address information for establishing a communication link; the RE sending a connection request to the one or more RECs according to the one or more address information, and establishing a communication link with the one or more RECs, Thereby the multimode RRU establishes a communication link with the BBU.
  • the multimode RRU establishes a communication link with the BBU.
  • the multimode RRU is configured with a multimode RE
  • the BBU includes one or more RECs, and each of the RECs supports A system, the method comprising: each of the RECs providing address information for establishing a communication link to the RE; each of the RECs receiving a connection request sent by the RE according to the address information, and the RE A communication link is established such that the multimode RRU establishes a communication link with the BBU.
  • a multi-mode RRU is proposed, the multi-mode RRU establishing a communication link with the BBU, the multi-mode RRU being configured with a multi-mode RE, the BBU including one or more RECs, each of the The REC supports a system
  • the multi-mode RE includes: an obtaining unit, configured to acquire one or more address information for establishing a communication link from the one or more RECs; a first establishing unit, configured to use, according to the address Information sends a connection request to the one or more RECs to establish a communication link with the one or more RECs such that the multimode RRU establishes a communication link with the BBU.
  • a BBU establishing a communication link with a multimode RRU, the multimode RRU being configured with a multimode RE, the BBU including one or more RECs, each of the RECs supporting a system, each of the RECs includes: a providing unit, configured to provide address information for establishing a communication link to the RE, and a second establishing unit, configured to receive a connection request sent by the RE according to the address information, Establishing a communication link with the RE, such that the multimode RRU establishes a communication link with the BBU.
  • the multi-mode RE can establish a communication link with each REC by obtaining address information from each REC of one or more RECs, it is not necessary to formulate a complicated application between the multi-mode RRU and the BBU.
  • Layer message specification which can realize REC of multi-mode BBU or multi-mode BBU with multi-mode RRU communication.
  • 1 is a flow chart of a method of establishing a communication link between a multimode RRU and a BBU, in accordance with an embodiment of the present invention.
  • 2 is a flow chart of a method of establishing a communication link between a multimode RRU and a BBU, in accordance with an embodiment of the present invention.
  • 3 is a schematic structural view of a multimode RE according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an acquisition unit in a multimode RE according to an embodiment of the present invention.
  • Fig. 5 is a schematic view showing another structure of a multimode RE according to an embodiment of the present invention.
  • Fig. 6 is a schematic structural view of a REC according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a providing unit in an REC according to an embodiment of the present invention.
  • Figure 8 is a block diagram showing another structure of an REC according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram showing the structure of an apparatus for establishing a communication link between a multimode RRU and a BBU according to another embodiment of the present invention. detailed description
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • a user equipment may also be referred to as a mobile terminal (Mobile Terminal), a mobile user equipment, or the like, and may communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network).
  • the user equipment can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, a portable, pocket, handheld, computer built-in or in-vehicle mobile device that is wireless with The access network exchanges languages and/or data.
  • the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (Node B) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.
  • BTS Base Transceiver Station
  • Node B base station
  • eNB evolved base station
  • e-NodeB evolutional Node B
  • the RRU refers to a multi-mode RRU;
  • the BBU may be a multi-mode BBU, or may be a plurality of single-mode BBUs interconnected and connected to the multi-mode RRU through one of the single-mode BBUs, or may be multiple single-mode BBUs directly with the RRU Connected.
  • the control module for each RRU in the BBU is called the REC of the standard.
  • Multiple RECs can be configured in one multimode BBU, or can be configured in multiple single mode BBUs of different standards. That is, the BBU includes one or more RECs, each of which supports a standard. If the BBU includes a REC, the BBU is a single mode BBU; if the BBU includes multiple RECs, the BBU is a multimode BBU.
  • a multimode RE is configured in the multimode RRU.
  • a multimode RE and one or more RECs together form an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the RE in the multimode RRU needs to know the address of the REC with which the communication link needs to be established in order to successfully establish a path with the REC.
  • a method of establishing a communication link between a multimode RRU and a BBU according to an embodiment of the present invention implemented by the BBU side will be described below with reference to FIG.
  • the method for establishing a communication link between a multimode RRU and a BBU includes the following steps.
  • the multi-mode RE acquires address information for establishing a communication link from the REC.
  • the multi-mode RE sends a connection request to the REC according to the address information, and establishes a communication link with the REC, so that the multi-mode RRU establishes a communication link with the BBU.
  • the multimode RE can adopt the following method.
  • the multi-mode RE sends a broadcast message of the address request, where the broadcast message requested by the address carries the identification information of the multi-mode RE. Then, the multi-mode RE receives a broadcast message of an address response sent by each REC in response to the broadcast message of the address request, where the broadcast message of the address response carries the address of the REC and the REC is the The address of the RE assigned by the multimode RE.
  • both the address of the REC and the address of the RE may be in the form of an IP address.
  • the multi-mode RE is a broadcast message for transmitting an address request to all RECs
  • the multi-mode RE can be assigned an address and its own address and The address assigned to the RE is fed back to the RE along with the broadcast message of the address response.
  • the multi-mode RE may receive corresponding REC addresses from different RECs and different addresses allocated by the respective RECs, and the multi-mode RE only needs to select one of the addresses of these different REs as its own address. , you can use the address of the RE Establish communication links with different RECs.
  • the IP address of the multimode RE needs to remain unchanged during subsequent operations to prevent IP address conflicts in abnormal situations. For example, in the case of REC reset, the IP address of the first RE is recovered, and the reclaimed IP address is assigned to the second RE, and the first RE continues to use the reclaimed IP address, so that an IP address conflict occurs. .
  • the multimode RE may send a connection request to the REC according to the address of the REC and the address of the RE, and establish a communication chain with the corresponding REC.
  • the multi-mode RRU establishes a communication link with the BBU.
  • the broadcast message of the address response carries the first information indicating the format of the REC.
  • the broadcast message of the address response may be a User Datagram Protocol (UDP) broadcast message.
  • UDP User Datagram Protocol
  • the third layer information indicating the REC can be carried by the transmitted application layer message.
  • the third information may refer to the form of the first information.
  • the first information and the third information, and the second information described below are all used by the REC to notify the RE of the established communication link, so that the RE and the REC establish the correct communication system.
  • each REC sends a REC address broadcast message to the multi-mode RE after the start, where the REC address broadcast message carries The address of the REC.
  • the multimode RE receives the REC address broadcast message, if it finds that the communication link between itself and the REC has been established, that is, the multimode RE has obtained the address of the REC, the multimode RE will ignore the REC. Address broadcast message.
  • the communication link with the REC may be established through the above process (ie, obtaining the address of the RE from the REC and the address of the REC), so that subsequent messages are on the communication link. transmission.
  • the REC address broadcast message may also be a UDP broadcast message, and carries the second information indicating the format of the REC.
  • the REC can periodically broadcast a REC address broadcast message.
  • the multimode RE can also take the following simplified manner by acquiring the address information of the communication link from the REC and then establishing a communication link with the REC.
  • the multi-mode RE does not need to obtain the address of the RE from the REC, but establishes a communication link with the REC by using the address of the REC only on the basis of the address of the REC.
  • the multi-mode RE acquires a REC address broadcast message sent by the REC, where the REC address broadcasts The message carries the address of the REC, and then the multi-mode RE establishes a communication link with the REC according to the address of the REC.
  • the multi-mode RE can establish a communication link with each REC by obtaining address information from each REC of one or more RECs, it is not necessary to establish a relationship between the multi-mode RRU and the BBU.
  • the complex application layer message specification can realize REC and multi-mode RRU communication of different standards of multiple single-mode BBU RECs or multi-mode BBUs.
  • the method for establishing a communication link between a multimode RRU and a BBU includes the following steps.
  • the REC provides the multi-mode RE with address information for establishing a communication link.
  • the REC receives the connection request sent by the multimode RE according to the address information, and establishes a communication link with the RE, so that the multimode RRU establishes a communication link with the BBU.
  • the REC receives the broadcast message of the address request sent by the multimode RE, and the broadcast message of the address request carries the identification information of the multimode RE. Then, the REC assigns the address of the RE to the RE based on the identification information of the multi-mode RE. Then, the REC sends a broadcast message of the address response to the multimode RE, where the broadcast message of the address response carries the address of the RE and the address of the REC. Finally, the REC receives the address of the RE according to the RE and the The connection request sent by the address of the REC establishes a communication link with the multi-mode RE, so that the multi-mode RRU establishes a communication link with the BBU.
  • the broadcast message of the address response carries first information indicating a format of the REC.
  • the broadcast message of the address response may be a UDP broadcast message.
  • the REC and the RE may transmit an application layer message by using the communication link, where the application layer message carries an indication of the REC.
  • the third information of the system is the third information of the system.
  • the REC may send a REC address broadcast message, where the REC address broadcast message carries the address of the REC.
  • the REC address broadcast message may be a UDP broadcast message carrying the second information indicating the format of the REC.
  • the REC provides a REC address broadcast message, and the REC address broadcast message carries the address of the REC. Then, the REC receives a connection request sent by the multi-mode RE according to the address of the REC, and establishes a communication link with the multi-mode RE.
  • the multi-mode RE can establish a communication link with each REC by obtaining address information from each REC of one or more RECs, it is not necessary to establish a relationship between the multi-mode RRU and the BBU.
  • the complex application layer message specification can realize REC and multi-mode RRU communication of different standards of multiple single-mode BBU RECs or multi-mode BBUs.
  • the BBU includes one or more, respectively, in conjunction with FIG. 3 to FIG. RECs, each of which supports a standard.
  • the RE 30 includes: an obtaining unit 31 and a first establishing unit 32.
  • the obtaining unit 31 is configured to acquire address information of establishing a communication link from the REC.
  • the first establishing unit 32 is configured to establish a communication link with the REC according to the address information, so that the multimode RRU establishes a communication link with the BBU.
  • the obtaining unit 31 is configured to obtain a REC address broadcast message sent by the REC, where the REC address broadcast message carries an address of the REC.
  • the first establishing unit 32 is configured to establish a communication link with the REC according to the address of the REC.
  • the obtaining unit 31 may further include a sending module 311 and a receiving module 312.
  • the sending module 311 is configured to send a broadcast message of the address request, where the broadcast message of the address request carries the
  • the receiving module 312 is configured to receive a broadcast message of the address response sent by the REC in response to the broadcast message of the address request, where the broadcast message of the address response carries the address of the REC and the REC is the The address of the RE assigned by the RE.
  • the first establishing unit 32 is configured to establish a communication link with the REC according to the address of the REC and the address of the RE.
  • the receiving module 312 is further configured to receive, by the sending module, a REC address broadcast message sent by the REC, before the sending module sends the broadcast message of the address request, where the REC address broadcast message carries the address of the REC.
  • the broadcast message of the address response may be a UDP broadcast message
  • the broadcast message of the REC address may be a UDP broadcast message
  • the broadcast message of the address response carries the first information indicating the format of the REC
  • the REC address broadcast message carries the indication of the REC.
  • the second information of the standard may be a UDP broadcast message
  • the RE 30 may further include a first transmission unit 33 for transmitting an application layer message with the REC over the communication link, wherein the application layer message carries third information indicating a format of the REC. As shown in Figure 5.
  • the multi-mode RE can establish a communication link with each REC by obtaining address information from each REC of one or more RECs, it is not necessary to establish a relationship between the multi-mode RRU and the BBU.
  • Complex application layer message specification which can realize REC of multi-mode BBU or multi-mode BBU with different modes of REC and multi-mode RRU communication.
  • the BBU establishes a communication link with the multimode RRU, the multimode RRU is configured with a multimode RE, the BBU includes one or more RECs, and each of the RECs supports a standard.
  • each REC 60 includes a providing unit 61 and a second establishing unit 62.
  • the providing unit 61 is configured to provide the RE with address information for establishing a communication link.
  • the second establishing unit 62 is configured to receive a connection request sent by the RE according to the address information, establish a communication link with the RE, so that the multi-mode RRU establishes a communication link with the BBU.
  • the providing unit 61 is configured to provide a REC address broadcast message, where the REC address broadcast message carries an address of the REC.
  • the second establishing unit 62 is configured to receive a connection request sent by the RE according to the address of the REC, and establish a communication link with the RE.
  • the providing unit 61 may further include a receiving module 611, an allocating module 612, and a sending module 613.
  • the receiving module 611 is configured to receive a broadcast message of the address request sent by the RE, where the broadcast message of the address request carries the identifier information of the RE.
  • the allocation module 612 is configured to address the RE assigned to the RE based on the identification information of the RE.
  • the sending module 613 is configured to send a broadcast message of an address response to the RE, where the broadcast message of the address response carries an address of the RE and an address of the REC.
  • the second establishing unit 62 is configured to receive a connection request sent by the RE according to the address of the RE and the address of the REC, and establish a communication link with the RE.
  • the sending module 613 is further configured to send a REC address broadcast message, where the REC address broadcast message carries the address of the REC, before the REC receives the broadcast message of the address request sent by the RE.
  • the broadcast message of the address response may be a UDP broadcast message
  • the broadcast message of the REC address may be a UDP broadcast message
  • the broadcast message of the address response carries the first information indicating the format of the REC
  • the REC address broadcast message carries the indication of the REC.
  • the second information of the standard may be a UDP broadcast message
  • the REC 60 may further include a second transmission unit 63 for transmitting an application layer message with the RE through the communication link, wherein the application layer message carries third information indicating a format of the REC. As shown in Figure 8.
  • the multi-mode RE can establish a communication link with each REC by obtaining address information from each REC of one or more RECs, it is not necessary to establish a relationship between the multi-mode RRU and the BBU.
  • the complex application layer message specification can realize REC and multi-mode RRU communication of different standards of multiple single-mode BBU RECs or multi-mode BBUs.
  • the foregoing apparatus (RE) 30 for establishing a communication link between the multimode RRU and the BBU is generally configured in the RRU, and the method for establishing a communication link between the multimode RRU and the BBU as shown in FIG. 1 is implemented;
  • a device (REC) 60 for communication links between the multimode RRU and the BBU is typically configured in the BBU to implement a method of establishing a communication link between the multimode RRU and the BBU as shown in FIG.
  • an embodiment of the present invention further provides an apparatus (multi-mode RE or REC) 90 for establishing a communication link between a multi-mode RRU and a BBU, the apparatus comprising a memory 91 and a processor 92.
  • the memory 91 is configured to store code for implementing the steps in the foregoing method embodiments, and the processor 92 is configured to process the code stored in the memory.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as the unit may or may not be physical units, i.e., may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention is essentially or The portion that contributes to the prior art or the portion of the technical solution may be embodied in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be an individual) A computer, server, or network device, etc.) performs all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read only memory (ROM), a random access memory (RAM, a random access memory), a magnetic disk, or an optical disk, and the like. .

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

Abstract

Dans ses modes de réalisation, la présente invention se rapporte à un procédé adapté pour établir une liaison de communication entre un RRU multimode et un BBU. L'invention se rapporte d'autre part à un RRU multimode et à un BBU correspondants. Le procédé adapté pour établir une liaison de communication entre un RRU multimode et un BBU, selon l'invention, est caractérisé en ce que : le RRU multimode est configuré avec une RE multimode; le BBU comprend un ou plusieurs REC; et chaque REC prend en charge une technologie d'accès radio. Le procédé selon l'invention comprend les étapes suivantes : une RE obtient, d'un ou plusieurs REC, des données d'adresse qui seront utilisées pour établir une liaison de communication; et la RE transmet une demande de connexion au ou aux REC, sur la base des données d'adresse, de sorte à établir une liaison de communication avec le ou les REC. Dans le mode de réalisation de la présente invention, comme la RE multimode peut établir une liaison de communication avec chaque REC en obtenant des données d'adresse auprès de chaque REC qui appartiennent au ou aux REC, la transmission entre une pluralité de REC d'un BBU monomode, ou une pluralité de REC qui prennent en charge différentes technologies d'accès radio d'un BBU multimode, et le RRU multimode, peut être exécutée sans formuler une spécification de message de couche application complexe entre le RRU multimode et le BBU.
PCT/CN2013/073587 2012-06-29 2013-04-01 Procédé pour l'établissement d'une liaison de communication entre un rru multimode et un bbu, et rru multimode et bbu correspondants WO2014000489A1 (fr)

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CN102740284B (zh) * 2012-06-29 2015-03-25 华为技术有限公司 建立多模rru与bbu之间通信链路的方法、多模rru和bbu
CN103118380B (zh) * 2013-02-25 2015-12-02 京信通信系统（中国）有限公司 通信链路管理方法和系统
CN114143825B (zh) * 2021-12-13 2023-09-12 中信科移动通信技术股份有限公司 基于多模基站的rru管理方法及系统

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