WO2003090490A1 - Type de procede de controle a distance et appareil de station d'amplification directe - Google Patents

Type de procede de controle a distance et appareil de station d'amplification directe Download PDF

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Publication number
WO2003090490A1
WO2003090490A1 PCT/CN2003/000080 CN0300080W WO03090490A1 WO 2003090490 A1 WO2003090490 A1 WO 2003090490A1 CN 0300080 W CN0300080 W CN 0300080W WO 03090490 A1 WO03090490 A1 WO 03090490A1
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WO
WIPO (PCT)
Prior art keywords
repeater
maintenance
module
network
downlink
Prior art date
Application number
PCT/CN2003/000080
Other languages
English (en)
Chinese (zh)
Inventor
Weiming Duan
Yi Feng
Original Assignee
Huawei Technologies Co. Ltd.
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co. Ltd. filed Critical Huawei Technologies Co. Ltd.
Priority to DE10392556T priority Critical patent/DE10392556T5/de
Priority to AU2003211821A priority patent/AU2003211821A1/en
Publication of WO2003090490A1 publication Critical patent/WO2003090490A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to a method and a device for remote maintenance of communication equipment in a mobile communication system, and in particular to a method and a device for maintaining a repeater in a mobile communication system.
  • the repeater belongs to the same frequency amplification equipment, similar to a repeater, and is a wireless transmission relay device that enhances the signal during the wireless communication transmission process. It is mainly used for blind area coverage and suburban coverage of the system.
  • the repeater In the existing mobile communication system, in order to solve the coverage problem, the repeater is widely used.
  • the donor antenna picks up signals from the existing coverage area, filters out signals outside the signal band through a band-pass filter, and amplifies the filtered signal to the area to be covered after being amplified by the power amplifier.
  • the upstream direction it covers The signals of the mobile stations in the area are transmitted to the corresponding base stations after similar processing, thereby realizing the signal transmission between the base stations and the mobile stations.
  • the network urgently needs to perform remote operation and maintenance on many repeaters, and timely process the fault alarm and other information of the repeater. Adjust the working parameters of the repeater as needed.
  • the existing repeater does not have the capability of remote maintenance, maintenance can only be performed on site, which inevitably results in high maintenance costs and low efficiency.
  • the object of the present invention is to provide a remote maintenance method and device for a repeater with lower cost, reliability and good environmental adaptability.
  • the remote maintenance method of the repeater provided by the present invention includes:
  • a repeater is provided with a communication module for transmitting and receiving wireless signals through the repeater's uplink and downlink channels.
  • the module receives a radio frequency signal transmitted by a base station from the downlink of the repeater.
  • the uplink radio frequency signal generated by the module is transmitted from the repeater.
  • the uplink direction of the repeater is fed into the repeater and transmitted to the base station;
  • the network initiates paging through the base station to the built-in communication module of the repeater; (4) The communication module initiates an access process after receiving the paging information, and establishes a repeater control entity between the repeater and the repeater in the network.
  • the network transmits the operation and maintenance information for controlling the repeater to the repeater through the downlink communication link. After receiving, the repeater performs the corresponding maintenance operation, and reports the operation and maintenance result to the network through the uplink communication link.
  • the network assigns an identification number to the built-in communication module of the repeater connected to it, and the identification number is used to identify the repeater, and is used to establish a communication link between the network and the built-in communication module of the repeater, so as to achieve direct communication. Remote maintenance management of station.
  • the network After the network completes the maintenance control of the repeater, it releases the Chinese-oriented wireless communication link between the network and the repeater.
  • the repeater remote maintenance device includes: a downlink receiving channel module, an uplink transmitting channel module, a radio link control and a radio resource management module, wherein: the downlink receiving channel module is configured to receive from the downlink direction of the repeater.
  • Base station High-frequency signals to implement physical layer processing for receiving downlink signals, and to obtain the maintenance information of the control channel and service channel transmitted on the network;
  • the uplink transmission channel module is used to perform physical layer transmission processing on the uploaded control channel and service channel to carry the maintenance result feedback information of the repeater to generate an uplink radio frequency signal, which is fed into the repeater from the upstream direction of the repeater and transmitted to the repeater.
  • Base station
  • a radio link control and radio resource management module configured to implement media access control (MAC), radio link control (RLC), radio resource management, and an interface with an operation and maintenance module of a repeater; wherein, the media access control (MAC) Realize operations such as logical channel and transmission channel mapping, channel multiplexing and demultiplexing, and selecting a transmission format based on business traffic; Radio Link Control (RLC) implements data segmentation and reassembly, sequential transmission, error correction, and repeated detection , Flow control and other operations; wireless resource management to achieve the establishment and release of wireless links, the establishment and release of wireless bearers, the allocation, reconfiguration and release of wireless resources; the interface with the repeater's operation and maintenance module to achieve the repeater The operation and maintenance module sends remote maintenance data for the network and receives response data for the operation and maintenance of the repeater.
  • MAC media access control
  • RLC radio link control
  • RLC Radio Link Control
  • the downlink receiving channel module includes a down-conversion and analog-to-digital conversion (D) unit and a baseband reception processing unit, where:
  • a down-conversion and analog-to-digital conversion (A / D) unit configured to receive a radio frequency signal from the downlink of the repeater, and perform down-conversion and analog-to-digital conversion (D) processing on the signal to form a digital baseband signal;
  • a baseband reception processing unit is configured to perform reception matching filtering, demodulation, and channel decoding processing on a digital baseband signal to obtain the information of a control channel and a service channel, and send the data to the radio link control and radio resource management. unit.
  • the uplink transmission channel module includes a digital-to-analog conversion (D / A), an up-conversion unit, and a baseband transmission processing unit, where:
  • a baseband transmission processing unit configured to perform channel coding, modulation, and shaping filtering on the uploaded control channel and service channel information
  • Digital-to-analog conversion (D / A) and up-conversion unit for performing digital-to-analog conversion (D / A) and frequency conversion on the modulation data of the baseband transmission processing unit to form an uplink radio frequency signal, and feeding the signal to the repeater's The uplink direction is sent to the base station.
  • the present invention sets a wireless communication module in the repeater, which transmits and receives wireless signals through the uplink and downlink channels of the repeater, and establishes a wireless communication chain with the repeater control entity of the network by using the communication protocol of the mobile station
  • the remote maintenance information of the network is delivered to the repeater through this link to realize the remote maintenance of the repeater.
  • the set wireless communication module is assigned a special identification number by the network, and the wireless link is established according to the standard protocol of the mobile station.
  • the communication module is greatly simplified compared to ordinary mobile stations:
  • the uplink and downlink channels of the repeater transmit and receive wireless signals, so no RF power amplifier and RF filtering are needed, which saves costs.
  • the RF signal transmission between the repeater and the base station is transmitted by directional wireless transmission or fiber optic transmission, signal propagation conditions Good, so it can simplify signal reception and reduce implementation complexity. Since the wireless communication module only maintains a communication link with the fixed cell of the base station during one communication process, complex operations such as soft handover and handover-related measurements can be eliminated; It is only used to transmit data information, so high-level service processing functions, such as voice processing, may not be required. In this way, it is possible to achieve reliable remote maintenance of the repeater at a lower cost.
  • FIG. 1 is a flowchart of a method for performing maintenance on a repeater according to the present invention
  • FIG. 2 is a block diagram of an embodiment of the device according to the present invention.
  • FIG. 3 is a block diagram of a repeater to which the embodiment described in FIG. 1 is applied.
  • the essence of the present invention is to set a wireless communication module in the repeater.
  • the module is similar in function to a simplified mobile station, but it does not need the mobile station's radio frequency power amplifier, radio frequency filtering and other units, and does not need high-level business functions such as voice.
  • the radio resource management functions of the communication module can be simplified to a certain extent.
  • the added communication module is simpler than a standard mobile station and the cost is relatively low. Since the wireless communication module integrated in the repeater needs to establish, maintain and release the wireless communication link according to the standard mobile station protocol, the network needs to assign a specific identification number to the repeater.
  • the wireless communication module receives downlink RF signals from the output terminal of the repeater, such as the output of a filter, and performs downlink reception processing. At the same time, the uplink RF signals generated from the input terminal of the repeater, such as low
  • the input of the noise amplifier is fed into the repeater and transmitted to the base station via the uplink direction of the repeater.
  • the wireless communication module can implement the physical layer function, the media access control (MAC) function, the radio link control (RLC) function, the radio resource management function, etc. of the radio interface of a specific mobile communication system, and provide operation with the repeater.
  • the interface of the maintenance unit transmits the operation and maintenance information of the repeater.
  • the functions of the physical layer functional entity implemented by the wireless communication module include a physical layer processing procedure for receiving downlink signals and a physical layer processing procedure for transmitting uplink signals.
  • the physical layer processing of receiving the downlink signal is the output from the repeater in the downlink direction.
  • Terminal for example, picking up the radio frequency signal issued by the base station at the output end of the filter, and performing frequency conversion processing, analog-to-digital conversion (A / D), receiving digital filtering, digital baseband demodulation, channel decoding and other processing on the radio frequency signal to obtain
  • the downlink service channel (bearing the maintenance information of the network) and control channel information;
  • the physical layer process of the uplink signal transmission is channel coding of the uplink service channel (bearing the maintenance feedback information of the repeater) and control channel information.
  • Digital baseband modulation Digital baseband modulation, transmit shaping filtering, digital-to-analog conversion (D / A), frequency conversion and other processing to form an uplink RF signal, and feed it through the uplink input from the repeater, such as the input of a low-noise amplifier Repeater and then send it to the base station.
  • D / A digital-to-analog conversion
  • the media access control (MAC) functional entity implemented by the wireless communication module conforms to the media access control (MAC) protocol standard of a specific mobile communication system, interfaces downward with the physical layer functional entity, and upwards with the wireless link control function
  • the physical interface implements functions such as mapping of logical channels and transmission channels, channel multiplexing / demultiplexing, and selecting a transmission format according to service traffic.
  • the radio link control (RLC) functional entity implemented by the radio management module conforms to a radio link control (RLC) protocol standard of a specific mobile communication system, interfaces downward with a media access control (MAC) entity, and upwards with
  • RLC radio link control
  • MAC media access control
  • the radio resource management function entity interface implements functions such as data segmentation / reassembly, sequential transmission, error correction, duplicate detection, and flow control.
  • the radio resource management function entity implemented by the radio management module conforms to the radio resource management protocol standard of a specific mobile communication system, interfaces downward with a radio link control (RLC) function entity, and operates and maintains with the repeater Functional entity interface to realize the functions of simplifying the establishment and release of the wireless link of the mobile station, the establishment and release of the wireless bearer, the allocation of the wireless resources, the reconfiguration and release, and the operation and maintenance of the repeater
  • the functional entity provides a data communication interface.
  • FIG. 1 is a flowchart of the method for performing maintenance on a repeater according to the present invention.
  • the maintenance of the repeater described in FIG. 1 is implemented based on the above wireless communication module.
  • the module performs synchronization of downlink reception through the module in step 1 and monitors broadcasts and paging on the network.
  • the network initiates paging for the module, and the module initiates the access process to establish a wireless communication link.
  • the network sends the maintenance data of the repeater; in step 4, the repeater receives the maintenance data through the module to implement the maintenance operation; in step 5, the repeater feeds the operation and maintenance results to the network through the module; in step 6. Release the wireless communication link.
  • FIG. 1 is a block diagram of an embodiment of the device according to the present invention.
  • the repeater maintenance device shown in FIG. 2 includes a downlink receiving channel module 1, an uplink transmitting channel module 2 and a radio link control and radio resource management module 3.
  • the device communicates with the network in accordance with the standard mobile station communication protocol, and is integrated with the repeater when in use, and picks up and processes RF signals from the repeater. For example, it can pick up RF from the output of a band-pass filter in the downstream direction.
  • the signal realizes the downlink signal reception of the base station, and at the same time, the radio frequency signal generated by the device is fed into the uplink direction of the repeater, for example, the low-noise amplifier in the uplink direction is processed by the repeater and sent to the base station.
  • the repeater for example, the low-noise amplifier in the uplink direction is processed by the repeater and sent to the base station.
  • a downlink receiving channel module configured to receive a radio frequency signal transmitted by a base station from a downlink direction of the repeater, to implement physical layer processing for receiving a downlink signal, and to obtain information of a control channel and a service channel (bearing network maintenance information) transmitted;
  • the uplink transmission channel module is configured to perform physical layer transmission processing on the uploaded control channel and service channel (bearing the maintenance feedback information of the repeater) to generate uplink radio frequency signals, and Enter the repeater's uplink direction and transmit to the base station;
  • Radio link control and radio resource management module for implementing media access control function (MAC), radio link control function (RLC), radio resource management function, and operation and maintenance module interface 0 with repeater; among them, media access Control (MAC) implements operations such as mapping logical channels and transmission channels, multiplexing and demultiplexing channels, and selecting transmission formats based on business traffic; Radio Link Control (RLC) implements data segmentation and reassembly, sequential transmission, and correction Operations such as error detection, duplicate detection, and flow control; radio resource management to implement radio link establishment and release, radio bearer establishment and release, radio resource allocation, reconfiguration, and release operations; interface implementation with the operation and maintenance module of the repeater Send the remote maintenance data of the network to the operation and maintenance module of the repeater, and receive the response data of the operation and maintenance of the repeater.
  • MAC media access Control
  • RLC radio link control
  • RLC Radio Link Control
  • the above-mentioned downlink receiving channel module 1 includes a down-conversion and analog-to-digital conversion (D) unit 11 and a baseband reception processing unit 12, wherein:
  • a down-conversion and analog-to-digital conversion / D) unit configured to receive a radio frequency signal from the downlink of the repeater, and perform down-conversion and analog-to-digital conversion (A / D) processing on the signal to form a digital baseband signal;
  • a baseband reception processing unit is configured to perform reception matching filtering, demodulation, and channel decoding processing on a digital baseband signal to obtain a downlink control channel and a service channel (bearing network maintenance information); and send the data to a wireless link Control and radio resource management unit.
  • the above uplink receiving channel module 2 includes a digital-to-analog conversion (D / A) and up-conversion unit 21, and a baseband transmission processing unit 22, where:
  • the baseband transmission processing unit is configured to perform channel coding, modulation, and shaping filtering on the uploaded control channel and service channel information; Digital-to-analog conversion (D / A) and up-conversion unit, for performing digital-to-analog conversion (D / A) and frequency conversion on the modulation data of the baseband transmission processing unit to form an uplink radio frequency signal, and feeding the signal to the repeater's The uplink direction is sent to the base station.
  • D / A Digital-to-analog conversion
  • up-conversion unit for performing digital-to-analog conversion (D / A) and frequency conversion on the modulation data of the baseband transmission processing unit to form an uplink radio frequency signal, and feeding the signal to the repeater's
  • the uplink direction is sent to the base station.
  • the repeater maintenance device shown in Fig. 2 needs to be embedded in the repeater for practical use. It connects the up and down directions of the repeater with the operation and maintenance unit of the repeater. Refer to Figure 3. In Figure 3, it is specifically connected to the output of the downstream filter and the input of the upstream low noise amplifier. During the specific maintenance operation, the donor antenna picks up the radio frequency signal from the base station from the existing coverage area, and transmits it through the duplexer through the low-noise amplifier, band selector, and filter in the forward direction to the direct-current device of the present invention.
  • Repeater maintenance device The repeater maintenance data is processed by the device, and the repeater operation and maintenance is realized through the interface with the repeater operation and maintenance unit.
  • the information transmitted also includes wireless communication signaling.
  • the radio resource management entity of the device processes it.
  • the device receives the operation and maintenance data that the repeater needs to upload, plus the signalling data attached to the device. These data become an uplink radio frequency signal through a series of processing.
  • the low-noise amplifier, band selector, filter, power amplifier, duplexer, and donor antenna are fed back to the base station.
  • the remote maintenance device of the repeater accesses different embedded positions of the repeater in the up-down direction, its module structure or function may change.
  • FIG. 3 when the downlink access point of the maintenance device is connected to the output of the frequency band selector, a filtering module needs to be added to the maintenance device; when the uplink access point of the maintenance device is connected to the frequency band selector When the input terminal is used, a low-noise amplifier module needs to be added to the maintenance device.

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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 a trait à un type de procédé de contrôle à distance et un appareil de station d'amplification directe. Le procédé permet l'établissement d'une de station d'amplification directe, qui est destinée à la transmission/réception de signal sans fil via des canaux montant et descendant de station d'amplification directe. Le réseau distribue une identification, par des procédés de communication de stations mobiles simplex et des protocoles entre le réseau et la station d'amplification directe établit un trajet de liaison de communication sans fil. Le module de communication reçoit un signal radioélectrique à partir de la direction descendante de la station d'amplification directe, obtient des données de maintien de fonctionnement par traitement de réception, et va transmettre les données à une unité de contrôle de fonctionnement de la station d'amplification directe, afin de réaliser un contrôle de fonctionnement de la station d'amplification directe, qui doit rapporter au réseau auxiliaire la station d'amplification directe, ensuite par le traitement du module de communication, se transformant en un signal de radioélectrique montant, et transmettre vers la station de base. L'utilisation dudit procédé peut entraîner une réduction de coûts, de manière à réaliser un contrôle fiable de station d'amplification directe, et sans nécessiter d'environnements de contrôle de station d'amplification directe. La présente invention a trait également à un type d'appareil de contrôle de station d'amplification directe.
PCT/CN2003/000080 2002-04-19 2003-01-27 Type de procede de controle a distance et appareil de station d'amplification directe WO2003090490A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE10392556T DE10392556T5 (de) 2002-04-19 2003-01-27 Verfahren zur Fernwartung von Zwischenverstärkern bzw. Leistungsverstärkern und Gerät hierfür
AU2003211821A AU2003211821A1 (en) 2002-04-19 2003-01-27 A kind of remote maintain method and apparatus of direct amplifying station

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02117428.8 2002-04-19
CN 02117428 CN1199486C (zh) 2002-04-19 2002-04-19 一种直放站的远程维护方法及装置

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Publication Number Publication Date
WO2003090490A1 true WO2003090490A1 (fr) 2003-10-30

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PCT/CN2003/000080 WO2003090490A1 (fr) 2002-04-19 2003-01-27 Type de procede de controle a distance et appareil de station d'amplification directe

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CN (1) CN1199486C (fr)
AU (1) AU2003211821A1 (fr)
DE (1) DE10392556T5 (fr)
WO (1) WO2003090490A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN102083104A (zh) * 2009-11-30 2011-06-01 中国移动通信集团广东有限公司 直放站监控的方法、系统及综合分析服务器
CN103945424A (zh) * 2013-01-23 2014-07-23 中国移动通信集团公司 一种无线直放站的时序控制方法以及一种无线直放站
CN105827302A (zh) * 2016-05-19 2016-08-03 桂林市思奇通信设备有限公司 一种远程监测的地面数字电视直放站
CN110139401A (zh) * 2019-06-06 2019-08-16 超讯通信股份有限公司 一种自带nb无线通信远程维护的小基站

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CN1324911C (zh) * 2004-01-14 2007-07-04 中兴通讯股份有限公司 无线同频直放站天线隔离度测试装置和测试方法
CN100455091C (zh) * 2005-03-11 2009-01-21 华为技术有限公司 进行基站远程维护的方法
CN100433663C (zh) * 2005-06-20 2008-11-12 中兴通讯股份有限公司 用无线方式对网络设备远程实时监测并预警的方法和系统
CN100461925C (zh) * 2005-12-02 2009-02-11 大唐移动通信设备有限公司 移动通信系统中中继器的操作维护方法与系统
CN100420326C (zh) * 2006-02-21 2008-09-17 华为技术有限公司 移动通信网络维护系统及其方法
CN101299631B (zh) * 2008-06-24 2012-05-23 芯通科技（成都）有限公司 一种实现td-scdma直放站稳定同步的方法及系统
CN101370229B (zh) * 2008-09-12 2012-11-14 中国移动通信集团江苏有限公司 一种gsm直放站频点自动修正的方法
CN102832982B (zh) * 2012-08-08 2015-01-07 华为技术有限公司 带有mimo加速器的基站及其控制方法
CN106162815B (zh) * 2015-03-30 2019-07-12 展讯通信（上海）有限公司 无线蜂窝网络及其通信方法
CA3052456A1 (fr) * 2017-02-02 2018-08-09 Wilson Electronics, Llc Amplificateur de signaux avec bandes spectralement adjacentes
CN113114326B (zh) * 2021-03-19 2022-09-27 中国联合网络通信集团有限公司 一种通信方法及装置
CN115426669B (zh) * 2022-08-05 2024-04-19 四川天邑康和通信股份有限公司 一种直放站的远程维护方法

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN102083104A (zh) * 2009-11-30 2011-06-01 中国移动通信集团广东有限公司 直放站监控的方法、系统及综合分析服务器
CN103945424A (zh) * 2013-01-23 2014-07-23 中国移动通信集团公司 一种无线直放站的时序控制方法以及一种无线直放站
CN103945424B (zh) * 2013-01-23 2018-02-23 中国移动通信集团公司 一种无线直放站的时序控制方法以及一种无线直放站
CN105827302A (zh) * 2016-05-19 2016-08-03 桂林市思奇通信设备有限公司 一种远程监测的地面数字电视直放站
CN110139401A (zh) * 2019-06-06 2019-08-16 超讯通信股份有限公司 一种自带nb无线通信远程维护的小基站

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CN1199486C (zh) 2005-04-27
DE10392556T5 (de) 2006-04-06
AU2003211821A1 (en) 2003-11-03
CN1452421A (zh) 2003-10-29

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