WO2010057381A1 - Système et procédé de communication avec des abonnés à des terminaux et station radio de base - Google Patents

Système et procédé de communication avec des abonnés à des terminaux et station radio de base Download PDF

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Publication number
WO2010057381A1
WO2010057381A1 PCT/CN2009/072232 CN2009072232W WO2010057381A1 WO 2010057381 A1 WO2010057381 A1 WO 2010057381A1 CN 2009072232 W CN2009072232 W CN 2009072232W WO 2010057381 A1 WO2010057381 A1 WO 2010057381A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
radio frequency
downlink signal
frequency device
signal
Prior art date
Application number
PCT/CN2009/072232
Other languages
English (en)
Chinese (zh)
Inventor
周桃园
古江春
袁敏志
胡爱华
Original Assignee
华为技术有限公司
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2010057381A1 publication Critical patent/WO2010057381A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • 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 the field of communications technologies, and more particularly to a system and method for communicating with an end user and a wireless base station. Background technique
  • a communication book system capable of performing pilot sequence multiplexing generally uses a repeater to forward uplink and downlink signals.
  • a repeater receives a downlink radio frequency signal transmitted by a wireless base station through a donor antenna, and is filtered and transmitted. After the amplification process is sent by the retransmission antenna, the end user, such as a mobile phone, receives the downlink signal.
  • the repeater receives the uplink RF signal sent by the terminal user, and then sends it to the wireless base station through the donor antenna. Since the repeater only receives and forwards the uplink and downlink signals, it does not change the content of the signal. Therefore, the repeater coverage area and the radio base station coverage area use the same pseudo random noise sequence (PN, Persudu noise) as the pilot sequence.
  • PN pseudo random noise sequence
  • the repeaters used in the prior art have two types: a wireless repeater and a fiber optic repeater.
  • the wireless repeater needs to install the donor antenna at a place where the RF signal can be received, and the received signal strength cannot be too small, so the wireless repeater generally needs to be installed in the coverage of the base station. And extending in the direction covered by the base station.
  • a communication system using a fiber optic repeater is composed of a near-end machine and a remote unit.
  • the near-end machine receives the radio frequency signal of the base station through the donor antenna, and then transmits the optical signal to the remote unit through the optical fiber, and the remote unit restores the optical signal to the radio frequency signal, and transmits it through the retransmission antenna.
  • the remote machine receives the uplink signal sent by the mobile phone through the retransmission antenna, and then converts the optical signal into optical signal and transmits it to the near-end machine through the optical fiber.
  • the near-end machine restores the optical signal to a radio frequency signal and transmits it through the donor antenna.
  • the location of the remote unit shares the same pilot sequence as the location of the near-end machine.
  • the communication system using the repeater must have two sets of antenna feeder systems, the donor antenna and the retransmission antenna, and the construction cost is high; the donor antenna must be placed in a place where the signal of the wireless base station can be received, resulting in limited application scenarios.
  • the embodiment of the present invention provides a system for communicating with an end user, where the system includes:
  • a radio base station configured to broadcast a downlink signal to each base station radio frequency device through a physical link, and perform unified management on each of the base station radio frequency devices;
  • a base station radio device configured to receive, by using a physical link, a downlink signal sent by the radio base station, and send the downlink signal.
  • An embodiment of the present invention further provides a radio base station, where the radio base station includes:
  • a signal sending module configured to send the downlink signal to the baseband processing module
  • the baseband processing module is configured to receive the downlink signal sent by the signal sending module, and broadcast the downlink signal to each base station radio frequency device through a physical link.
  • An embodiment of the present invention provides a method for communicating with an end user, where the method includes:
  • the base station radio frequency device After receiving the downlink signal broadcast by the radio base station through the physical link, the base station radio frequency device transmits the downlink signal.
  • the embodiment of the present invention uses the base station radio frequency device to receive the downlink signal of the radio base station, and solves the problem that the communication system has high construction cost and limited application scenario; at the same time, the radio frequency device of each base station can be uniformly managed, and the controllability of the communication system is improved. Maintainability. DRAWINGS
  • FIG. 1 is a structural diagram of a system for communicating with an end user according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a method for communicating with an end user according to Embodiment 2 of the present invention
  • Embodiment 3 is a flow chart of a method for communicating with an end user according to Embodiment 2 of the present invention. detailed description
  • an embodiment of the present invention provides a system for communicating with an end user, which is used to reduce the construction cost of the communication system and solve the problem of limited application scenarios.
  • the system includes: the radio base station 101 and the base station radio frequency device 102.
  • the radio base station 101 is configured to broadcast a downlink signal to each base station radio frequency device through a physical link, or receive an uplink signal of each base station radio frequency device 102; and perform unified management on each base station radio frequency device 102;
  • the base station radio frequency device 102 is configured to receive, by using a physical link, a downlink signal sent by the radio base station 101, and perform digital-to-analog conversion on the downlink signal, and then send the uplink signal, or receive an uplink signal sent by the terminal user, and perform the uplink signal.
  • the number conversion converts the converted uplink signal to the radio base station 101.
  • the base station radio frequency device 102 sends the downlink signal, on the terminal user side, only the designated terminal user can receive the downlink signal through the matched mobile phone identification code, and other terminal users cannot receive the mobile phone identification code because they do not match.
  • the downlink signal after the base station radio frequency device 102 sends the downlink signal, on the terminal user side, only the designated terminal user can receive the downlink signal through the matched mobile phone identification code, and other terminal users cannot receive the mobile phone identification code because they do not match.
  • the downlink signal is Specifically, after the base station radio frequency device 102 sends the downlink signal, on the terminal user side, only the designated terminal user can receive the downlink signal through the matched mobile phone identification code, and other terminal users cannot receive the mobile phone identification code because they do not match. The downlink signal.
  • the radio base station 101 and the base station radio frequency device 102 communicate through a physical link, for example, through an optical fiber or a cable, and the base station radio frequency device can be installed at any place where the physical link is reachable, thereby increasing the communication distance.
  • the wireless base station 101 includes:
  • a signal sending/receiving module 101a configured to send a downlink signal or receive an uplink signal
  • the baseband processing module 101b is configured to receive the downlink signal sent by the signal transmitting/receiving module 101a, and broadcast the downlink signal to each base station radio frequency device 102; or receive an uplink signal of each base station radio frequency device 102, and send the uplink signal Giving a signal transmitting/receiving module 101a;
  • the radio base station 101 may further include:
  • the operation and maintenance module 101c is configured to perform unified management on each base station radio frequency device 102, and connect to the radio base station.
  • the 101 is managed and maintained with the fiber or cable of the base station radio frequency device 102.
  • the radio base station 101 sends the downlink signal to the designated terminal user
  • the downlink signal is sent to the baseband processing module 101 by the signal sending/receiving module, and the downlink signal is broadcasted by the baseband processing module to each base station radio frequency device; correspondingly, in the uplink In the direction, the baseband processing module also receives the uplink signal sent by each base station radio frequency device, and sends the uplink signal to the signal transmitting/receiving module 101a.
  • the communication system supports CDMA lx (Code division multiple access, Code division multiple access) and EVDO (Evolution data olny, one stage of CDMA lx evolution) are two types of end users.
  • the grading and summarization can be completed by each base station radio frequency device, or can be completed by setting special hardware, or can be completed by the baseband processing module.
  • the uplink and downlink signals are uniformly processed by the baseband processing module, so that the base station radio frequency device can share the pilot sequence flexibly according to different application scenarios, or only some base station radio frequency devices share the same guide.
  • the frequency sequence while other base station radios do not share the pilot sequence.
  • the pilot sequence resources are limited, and a plurality of base station radio frequency devices can share one pilot sequence.
  • pilot sequence resources are relatively abundant, and each base station radio frequency device is used. The pilot sequence may not be shared, thereby avoiding the disadvantage of low communication flexibility of the existing communication system.
  • each base station radio frequency device uses a subcarrier to carry a signal when transmitting a downlink signal to a CDMA lx user and an EVDO user, and the subcarrier power of the CDMA lx signal and the EVDO signal is constant, and therefore, the base station radio frequency device is At the same time, when communicating with CDMA lx users and EVDO users, it will not affect each other, and will not affect the effect of supporting CDMA lx users after supporting EVDO users.
  • the embodiment of the present invention uses the base station radio frequency device to receive and transmit the uplink/downlink signals, thereby improving the communication effect.
  • the baseband processing module By setting the baseband processing module to perform unified processing on the signals in the radio base station, it is possible to flexibly determine whether the base station radio frequency devices share the pilot sequence.
  • the unified management of each base station radio frequency device by setting an operation processing module in the radio base station improves the controllability and maintainability of the communication system.
  • An embodiment of the present invention provides a method for communicating with an end user, including:
  • the radio base station broadcasts a downlink signal to each base station radio frequency device through a physical link.
  • the signal sending/receiving module in the radio base station sends the downlink signal to the baseband processing module, and after receiving the downlink signal, the baseband processing unit broadcasts the downlink signal to each of the downlink signals.
  • the baseband processing unit broadcasts the downlink signal to each of the downlink signals.
  • Each base station radio frequency device receives the downlink signal sent by the radio base station, and performs digital-to-analog conversion on the downlink signal, and then sends the downlink signal.
  • the downlink signal sent by the radio base station is a digital signal. Therefore, after receiving the downlink signal, the base station radio frequency device needs to convert the digital signal into an analog signal and then send it out. On the terminal user side, only the designated terminal user can The downlink signal is received by the matched mobile phone identification code, and the other terminal users cannot receive the downlink signal because the mobile phone identification code does not match.
  • the base station radio frequency device receives the uplink signal sent by the terminal user, performs analog-to-digital conversion on the uplink signal, and sends the uplink signal to the wireless base station.
  • the radio base station receives an uplink signal sent by each base station radio frequency device.
  • the baseband processing module in the radio base station receives the uplink signal sent by each base station radio frequency device, and sends the uplink signal to the signal transmitting/receiving module of the radio base station.
  • the communication system supports end users of CDMA lx and EVDO. Therefore, the CDMA lx and EVDO uplink signals need to be hierarchically aggregated and then sent to the radio base station, and the uplink signals are hierarchically summarized and can be used by each base station radio frequency device. The grading is completed, and it can also be set by dedicated hardware. It can also be done by the baseband processing module.
  • the radio base station and the base station radio frequency device communicate through a physical link, for example, through an optical fiber or a cable, and communicate by using a physical link, thereby increasing the communication distance and reducing the hardware cost.
  • the radio base station and the base station radio frequency device use optical fibers or cables for communication, and there is a signal path between the two. Therefore, in the radio base station, the baseband processing module performs unified processing on the uplink and downlink signals, According to different application scenarios, whether the base station radio frequency device shares the pilot sequence is determined flexibly, or only some base station radio frequency devices share the same pilot sequence, and other base station radio frequency devices do not share the pilot sequence.
  • the operation and maintenance module may be further configured to uniformly manage each base station radio frequency device, and manage and maintain the optical fiber or cable connecting the radio base station and the base station radio frequency device.
  • the base station radio frequency device uses the subcarrier to carry the signal when transmitting the downlink signal to the CDMA lx user and the EVDO user at the same time, and the subcarrier power of the CDMA lx signal and the EVDO signal is constant, therefore, the base station radio frequency device is simultaneously with the CDMA lx user and When EVDO users communicate, they will not affect each other and will not affect the support of CDMA lx users after supporting EVDO users.
  • the embodiment of the present invention uses the base station radio frequency device to receive and transmit the uplink/downlink signals, thereby improving the communication effect.
  • By performing unified processing on the uplink signals sent by the radio stations of the base stations it is possible to flexibly determine whether the radio frequency devices of the base stations share the pilot sequence; At the same time, the radio frequency devices of each base station can be uniformly managed, which improves the controllability and maintainability of the communication system.
  • a person skilled in the art can understand that all or part of the steps of implementing the above embodiments can be completed by a program instructing related hardware, and the program can be stored in a computer readable storage medium, where the storage medium is A computer's floppy disk, hard disk, or CD.
  • the storage medium is A computer's floppy disk, hard disk, or CD.

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

Abstract

Cette invention s’intéresse aux  domaines techniques des communications. Elle concerne un système et un procédé permettant de communiquer avec des abonnées à des terminaux ainsi qu’une station radio de base. Le système se compose d’une station radio de base et d’un dispositif de radio fréquence pour station radio de base. Selon le procédé de l’invention, le dispositif de radiofréquence de la station de base transmet le signal en liaison descendante après réception de ce signal émis par la station radio de base via la liaison physique. La station radio de base comprend un module de transmission de signal et un module de traitement de bande de base (101b). Avec cette invention, il est possible de résoudre les problèmes posés par des coûts de fabrication élevés et des champs d’application limités d’un système de communication au moyen du dispositif de radiofréquence pour station de base qui reçoit le signal en liaison descendante de cette station. Dans ces modes de réalisation, cette invention permet de mettre en œuvre une gestion uniforme pour chaque dispositif de radiofréquence pour station de base et améliore la maîtrise et la facilité d’entretien d’un système de communication.
PCT/CN2009/072232 2008-11-18 2009-06-11 Système et procédé de communication avec des abonnés à des terminaux et station radio de base WO2010057381A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810226842.3 2008-11-18
CNA2008102268423A CN101415198A (zh) 2008-11-18 2008-11-18 用于和终端用户通信的系统和方法

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WO2010057381A1 true WO2010057381A1 (fr) 2010-05-27

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2024103202A1 (fr) * 2022-11-14 2024-05-23 深圳市达驰通信有限公司 Répéteur et système de communication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101415198A (zh) * 2008-11-18 2009-04-22 华为技术有限公司 用于和终端用户通信的系统和方法
WO2011071337A2 (fr) * 2009-12-10 2011-06-16 엘지전자 주식회사 Appareil répéteur permettant d'émettre et de recevoir de façon simultanée des signaux dans un système de communication sans fil et procédé associé

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KR20080031551A (ko) * 2006-10-04 2008-04-10 삼성전자주식회사 셀 기반의 시스템에서 중계국을 이용한 핸드오버 장치 및방법
CN101257339A (zh) * 2007-03-01 2008-09-03 华为技术有限公司 广播网络、基站及广播网络盲区定位方法
WO2008136534A1 (fr) * 2007-05-02 2008-11-13 Nec Corporation Procédé de transmission d'informations de contrôle
CN101415198A (zh) * 2008-11-18 2009-04-22 华为技术有限公司 用于和终端用户通信的系统和方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1774094A (zh) * 2004-11-08 2006-05-17 华为技术有限公司 一种无线基站系统及其发射和接收信息的方法
CN101090298A (zh) * 2006-06-14 2007-12-19 大唐移动通信设备有限公司 一种射频拉远基站o&m通道的建立方法及o&m包结构
KR20080031551A (ko) * 2006-10-04 2008-04-10 삼성전자주식회사 셀 기반의 시스템에서 중계국을 이용한 핸드오버 장치 및방법
CN101257339A (zh) * 2007-03-01 2008-09-03 华为技术有限公司 广播网络、基站及广播网络盲区定位方法
WO2008136534A1 (fr) * 2007-05-02 2008-11-13 Nec Corporation Procédé de transmission d'informations de contrôle
CN101415198A (zh) * 2008-11-18 2009-04-22 华为技术有限公司 用于和终端用户通信的系统和方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024103202A1 (fr) * 2022-11-14 2024-05-23 深圳市达驰通信有限公司 Répéteur et système de communication

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