WO2004068876A1 - Dispositif de relais de communication, procede de communication et systeme de communication mobile - Google Patents
Dispositif de relais de communication, procede de communication et systeme de communication mobile Download PDFInfo
- Publication number
- WO2004068876A1 WO2004068876A1 PCT/CN2004/000084 CN2004000084W WO2004068876A1 WO 2004068876 A1 WO2004068876 A1 WO 2004068876A1 CN 2004000084 W CN2004000084 W CN 2004000084W WO 2004068876 A1 WO2004068876 A1 WO 2004068876A1
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- WO
- WIPO (PCT)
- Prior art keywords
- communication device
- terminal
- relay communication
- base station
- relay
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
Definitions
- the invention relates to a relay communication technology of a mobile communication system, in particular to a relay communication device for a mobile communication system and a relay communication method thereof, and a mobile communication system using the relay communication device, belonging to time division duplex or frequency division duplex Industrial mobile communication systems.
- typical devices include core networks, base station controllers (or wireless network managers), wireless base stations, and user terminals.
- base station controllers or wireless network managers
- wireless base stations or wireless base stations
- user terminals In time division duplex (such as
- a device that has both the function of a user terminal and the function of a wireless base station is called a relay device.
- the relay equipment has a particularly important use in the following environments: Areas where it is difficult to set up optical cables or wires with the base station controller; Due to natural disasters such as war, earthquake, floods, etc., the base stations have been erected or the optical cables or wires connecting them Damaged when the wireless mobile communication system in this area is paralyzed; On trains and coaches, when the compartments are closed, it is difficult for mobile communication users to communicate with the external mobile communication system; In large buildings, because the radio wave penetration ability cannot reach Areas with many users and difficult to communicate.
- repeater In current mobile communication systems, repeater (repea ter) is used to improve coverage in areas with poor system coverage; in trains and other compartments, special terminal equipment (such as vehicle-mounted and dedicated terminals) is mainly used. And other methods to solve some problems; in large urban buildings, they are all new methods such as adding base stations or installing leaky antennas.
- special terminal equipment will limit the use of user's private terminal, and the use of repeaters or newly added base stations, and the installation of leaky antennas requires the installation of cables, optical cables or microwave links, which is not flexible enough to implement. Summary of the invention
- the purpose of the present invention is to overcome the shortcomings in the prior art, and provide a relay communication device, a communication method thereof, and a mobile communication system using the device and method.
- the relay communication device can communicate with a terminal like a base station, and at the same time, it can One terminal communicates with the base station in the system, and does not need to set up cables or optical cables to achieve connection with the system. It has the characteristics of fast and flexible deployment.
- the relay device of the present invention mainly includes: a terminal access function unit composed of an independent antenna and a feeder, a radio frequency transceiver, and a physical layer signal processing device, and an independent antenna and a feeder and a radio frequency.
- the base station functional unit formed by the connection between the transceiver and the physical layer signal processing equipment includes a general control unit of the digital signal processor, a control bus and a high-speed data bus connecting the terminal access functional unit and the general control unit, and the base station functional unit and the general bus.
- Signal Office After processing, the device outputs digital signals to the general control unit.
- the base station functional unit completes the transmission and reception of wireless signals between the relay communication device and the mobile terminal.
- the base station functional unit sends data from the general control unit to the mobile terminal, which in turn passes through the physical layer.
- the signal processing equipment, RF transceiver, feeder and antenna are processed into wireless signals and sent to the air.
- the wireless signals sent by the mobile terminal to the base station functional unit are processed by the antenna and feeder, RF transceiver, and physical layer signal processing equipment in order. It is then output to the main control unit as a digital signal.
- the terminal access function unit includes: independent antenna and feeder, one or more radio frequency transceivers, one or more physical layer signal processing equipment, radio frequency transceiver and independent antenna and feeder
- the physical layer signal processing equipment is connected to the radio frequency transceiver.
- the radio frequency transceiver can work on at least one carrier and multiple time slots at the same time.
- the physical layer signal processing equipment is composed of a dedicated chip ASIC and a programmable device. Physical layer signal processing in base station communication.
- the functional units of the base station include: independent antennas and feeders, one or more radio frequency transceivers, and one or more physical layer signal processing equipment.
- the radio frequency transceivers are connected to the independent antennas and feeders to complete the relay equipment and the subnet (base station functions Terminals in the area covered by the unit) Air interface physical layer signal processing between mobile user terminals.
- the physical layer signal processing equipment is connected to the radio frequency transceiver.
- the radio frequency transceiver can work on at least one carrier and multiple time slots at the same time.
- the physical layer signal processing equipment is composed of an application specific chip (ASIC) and a programmable device, and completes the physical layer signal processing in communication with the mobile user terminal in the subnet.
- ASIC application specific chip
- the main control unit includes: multiple digital signal processors, control bus, high-speed data bus, terminal voice and data interface, and local monitoring terminal LMT interface.
- the main control unit processes the high-level signaling of the terminal and the base station. According to the instructions issued by the mobile communication system, the main control unit realizes the configuration of the device and the management of the wireless resources in the subnet, and monitors and controls the operation of the entire device.
- the main control unit has a control bus between the terminal access unit and the base station functional unit; the main control unit provides a high-speed data bus between the terminal access unit and the base station functional unit; the main control unit provides a signal exchange function to enable this subnet
- the internal communication service can be connected to the mobile communication system without accessing the functional unit through the terminal, and the internal service can be completed to increase the capacity of the subnet.
- the relay communication system communicates with the real terminal through the base station functional unit. Communication, and forward it to the mobile communication system through the terminal functional unit, and then return to the mobile communication system to complete the business communication in this subnet).
- Physical layer signal processing equipment in terminal access functional unit and objects in base station functional unit Physical layer signal processing equipment can be implemented separately or combined together.
- the base station functional unit supports terminal access of different wireless interface specifications.
- the main control unit includes terminal voice and data interfaces, so that the equipment has the full functions of the terminal.
- the main control unit includes interfaces to monitor and manage the local monitoring terminal LMT.
- the digital signal processor is an MCU, DSP, or ASIC.
- the communication method of the relay communication device of the present invention is specifically as follows:
- the terminal access unit of the relay communication device searches for the base station, initiates an access request to the base station, the mobile communication network sends configuration information to the terminal access unit through the downlink channel of the base station, and the relay communication device Configure itself;
- Relay communication equipment subnet provides services: After the relay communication equipment completes initialization, its terminal access unit maintains monitoring of the base station broadcast channel, and its base station functional unit uses the subnet broadcast channel and other necessary downlinks. A common channel that provides services to terminals in its coverage area;
- the configuration information sent by the network to the terminal access unit through the downlink channel of the base station includes a carrier frequency, a maximum transmission power, a service capacity, and a time slot or code channel for transmitting a service to a neighboring base station.
- the terminal searches for a downlink common channel of the subnet, and a signal of the downlink common channel comes from the relay communication device.
- the terminal establishes, maintains, or releases a wireless connection with the relay communication device by using the wireless resources provided by the base station functional element of the relay communication device within the coverage area of the relay communication device. If the communication destination of the terminal is another terminal, and both terminals of the communication are in the same subnet, the relay communication device completes the signal exchange between the two terminals, which is related to the charging.
- the information is transmitted to the base station through the terminal access unit of the relay communication device.
- the relay communication device receives a signal of the terminal through a base station function base unit, reprocesses control information and service data therein, and accesses through the terminal.
- the unit sends information to the base station, and simultaneously receives the information sent by the base station to the terminal through the terminal access unit, reprocesses the control information and service data therein, and sends the control information and service data to the terminal through the base station functional unit.
- the mobile communication system using the relay communication device of the present invention includes at least one terminal, at least one base station, and also includes at least one relay communication device.
- the relay communication device includes at least one terminal access unit and one base station functional unit, and covers a certain geographical area. Area, the terminal transmits and receives wireless signals with the base station functional unit of the relay communication device within the geographic area covered by the relay communication device, the base station can cover a certain geographic area, and the relay communication device communicates with all
- the base stations transmit and receive wireless signals to each other, the terminals establish, maintain, or release wireless connections with the relay communication equipment within the geographic area covered by the relay communication equipment, and the relay communication devices establish, maintain, or release wireless connections with the base station within the geographic area covered by the base station.
- the terminal searches for a signal sent by the relay communication device on a downlink common channel within a geographic area covered by the relay communication device, and considers the signal to be a signal sent by an ordinary base station.
- the terminal may establish, maintain, or release a wireless connection by using a method of establishing, maintaining, or releasing a wireless connection with a common base station.
- the relay communication device In the stage where the terminal and the relay communication device remain connected, the relay communication device is responsible for the communication between the two terminals according to the communication destination of the terminal, such as when the target terminal of the communication is in the subnet. Order, data processing and exchange; if the target terminal of the communication is not in the subnet, it is responsible for signaling, data processing and forwarding between the terminal and the base station information.
- a time division duplex mobile communication system is taken as an example to introduce the working mode of the present invention.
- the TD-SCDMA system of the third generation mobile communication has a multi-slot structure, and the uplink and downlink of each time slot can be set by the system.
- the subnet provided by this relay communication device can be regarded as a cell in the mobile communication network, and the user terminal works in this subnet in the same way as in the mobile communication network. After the relay communication equipment is installed, it searches for nearby base stations and applies for access. When starting work, its base station functional unit cannot transmit signals.
- the system will configure the relay communication equipment, configure its working carrier frequency, maximum transmit power level, service capacity, time slots or code channels for transmitting services to the base station, and other necessary parameters.
- the relay communication equipment After the relay communication equipment is configured, the subnet starts to work, and will receive the broadcast and paging channels (BCCH and PCH) transmitted from the base station in the network through its terminal access unit, and all or part of the information of this channel can be used in The base station functional unit forwards it on the broadcast channel, or generates its own broadcast information and sends it out through the broadcast channel.
- BCCH and PCH broadcast and paging channels
- this subnet (relay communication equipment) will be regarded as a common base station and communicate in exactly the same way.
- the working mode can be set as follows: Communication between terminals in the subnet (regardless of voice or data services) is exchanged within this relay communication device, and only the charging information is transmitted to the system without Transmit service data to increase system capacity.
- the relay communication device For communication between terminals in the subnet and terminals outside the subnet (regardless of voice or data services), the relay communication device only plays the role of forwarding.
- the slot (code channel) is forwarded to the neighboring base station and connected to the system through the neighboring base station, and its working mode is the same as that for ordinary services.
- the device of the invention can arrange the antenna feeder system of the functional part of the base station in an area not covered by the mobile communication network, so that ordinary user terminals can obtain mobile communication services in the area; Areas where mobile communication services are urgently needed are quickly provided. It can also greatly improve the coverage of the system, so that mobile communication users on trains and coaches can freely communicate during travel; users in large buildings can easily obtain services.
- FIG. 1 is a schematic diagram of setting up a relay communication device in a mobile communication network
- FIG. 2 is a structural block diagram of a relay communication device according to the present invention.
- Fig. 3 is a flowchart of the basic operation of the relay communication device of the present invention. Mode of Carrying Out the Invention
- the distribution position of the relay communication device of the present invention when applied in a mobile communication system is shown in FIG. 1.
- a part of conventional base stations 221, 222, 223, ..., 22 ⁇ in the system is connected to the base station controller 20 by wired or wireless means, and covers Certain area. Within these coverage areas, mobile communication services are realized. But in other areas, 231, 232,..., 23m, cannot be covered by conventional base stations.
- the relay communication devices 241, 242, ..., 24k of the present invention are used in these areas.
- the antennas of the terminal access units of these relay communication devices are erected in the area covered by the conventional base stations 222, 223, ..., 22 ⁇ ; and the relay communication
- the antenna of the base station functional unit of the device covers the area that cannot be covered by the conventional base station, thereby forming subnetworks.
- the user terminal works exactly the same in the coverage area of the subnet as in the coverage area of the conventional base station. It can be seen that the relay communication equipment has expanded and improved the coverage of the mobile communication network. Since the relay communication equipment can be installed on a moving body, such as on a train or a long-distance bus, a subnet is formed inside its closed compartment, which further increases the function of the mobile communication network.
- 21 is a base station controller
- 10 is a system network side.
- the principle block diagram of the device of the present invention is shown in FIG. 2 and mainly includes: a terminal access functional unit 1, an independent antenna and a feeder 2, a radio frequency transceiver 3, a physical layer signal processing device 4, a base station functional unit 5, an independent antenna and a feeder 6.
- RF transceiver 7.
- Physical layer signal processing equipment 8.
- General control unit 9.
- the total control unit 9 communicates with the terminal through the high-speed data bus 12 and control bus 11.
- the access function unit 1 is connected, and is connected to the base station function unit 5 through a high-speed data bus 12 and a control bus 11.
- the terminal access function unit 1 completes the transmission and reception of wireless signals between the relay communication device and the mobile communication network.
- the terminal access function unit 1 sends data from the overall control unit 9 to the mobile communication network, and in turn passes through the physical layer signal processing device 4,
- the radio frequency transceiver 3, the antenna and the feeder 2 are processed into wireless signals and sent to the air.
- the radio signals sent by the mobile communication network to the terminal access function unit 1 pass through the antenna and the feeder 2, the radio frequency transceiver 3, and the physical layer in order.
- the signal processing device 4 outputs the digital signal to the overall control unit 9 after processing.
- the base station functional unit 5 completes the wireless signal transmission and reception between the relay communication device and the mobile terminal.
- the base station functional unit 5 sends data from the overall control unit 9 to the mobile terminal, and passes through the physical layer signal processing device 8, the radio frequency transceiver 7, and
- the antenna and feeder 6 are processed into wireless signals and sent to the air.
- the wireless signals sent by the mobile terminal to the base station functional unit 5 are processed by the antenna and feeder 6, RF transceiver 7, physical layer signal processing equipment 8 and processed as digital signals.
- the form is output to the total control unit 9.
- the terminal access function unit 1 includes: an independent antenna and a feeder line 2, one or more radio frequency transceivers 3, one or more physical layer signal processing devices 4, the radio frequency transceiver 3 is connected to the independent antenna and the feeder line 2, and a physical layer
- the signal processing device 4 is connected to the radio frequency transceiver 3, and the radio frequency transceiver 3 can work on at least one carrier at the same time and work in multiple time slots.
- the physical layer signal processing device 4 is composed of a dedicated chip AS IC and a programmable device to complete and mobile communication. Physical layer signal processing in conventional base station communication in the network.
- the base station functional unit 5 includes: an independent antenna and a feeder line 6, one or more radio frequency transceivers 7, one or more physical layer signal processing devices 8, and the radio frequency transceiver 7 is connected to the independent antenna line and the feeder line 6 to complete the relay.
- the physical layer signal processing device 8 is connected to the independent radio frequency transceiver 7, and the radio frequency transceiver 7 can work on at least one carrier and multiple time slots at the same time.
- the physical layer signal processing device 8 is composed of a dedicated chip ASIC and a programmable device, and completes the physical layer signal processing in communication with the mobile user terminal in the subnet.
- the total control unit 9 includes: multiple digital signal processors 10, control bus 1 1, high-speed data bus 12, terminal voice and data interface 1 3, 14, and local monitoring terminal LMT interface 15.
- the general control unit 9 handles the high-level signaling of the terminal and the base station. According to the instructions issued by the mobile communication system, the general control unit 9 implements the configuration of the device and the management of the wireless resources in the subnet, and monitors and controls the operation of the entire device.
- a control bus 11 between the access unit 1 and the base station functional unit 5.
- the main control unit 9 provides a high-speed data bus 12 between the terminal access unit 1 and the base station functional unit 5.
- the main control unit 9 provides a signal exchange function, so that the communication services in the subnet can be connected to the mobile communication system without the terminal access function unit, and the service communication in the subnet can be completed to increase the capacity of the subnet. That is, after the service information sent from the base station functional unit reaches the total control unit 9, it is returned to the target terminal directly through the base station functional unit through signal exchange, and the communication service between the terminal access functional unit and the mobile communication system is omitted.
- the data loopback process saves this part of the wireless resources.
- Provide terminal voice and data interfaces 1 3 and 14 so that the device has the full functions of the terminal, and provide an interface 15 for monitoring and managing the local monitoring terminal LMT.
- the communication method using the relay communication device of the present invention is as follows:
- the terminal access unit 1 of the relay communication device searches for a base station, and initiates an access request to the base station.
- the network sends configuration information to the terminal access unit 1 of the relay communication device through the downlink channel of the base station, and the configuration information includes a carrier frequency, a maximum transmission power, and the like.
- Relay The communication device configures itself with the configuration information.
- Relay communication equipment provides subnet services. After the initialization is completed, the relay communication device maintains monitoring of the broadcast channel of the base station through the terminal access unit 1, and the base station function unit 5 uses the broadcast channel of the subnet and other necessary downlink common channels to cover its coverage area. Terminal provides services.
- the terminal can search the downlink common channel of the subnet, and considers that the signal of the downlink common channel comes from a base station, that is, for the terminal, the relay communication device is An ordinary base station.
- the terminal may use the wireless resources provided by the base station functional unit 5 of the relay communication device within the coverage area of the relay communication device to establish, maintain or release a wireless connection with the relay communication device.
- the relay device has two working modes:
- the communication destination of the terminal is an end user (destination terminal) in the subnet, that is, the destination terminal is also in the coverage area of the relay communication device and is communicating with the relay communication device.
- the wireless connection is maintained, that is, the two communication terminals are in the subnet, then the relay communication device completes the signal exchange between the two terminals.
- the information related to the billing can be communicated through the relay.
- the base station functional unit 5 of the device is transmitted to a base station (a base station adjacent to the relay communication device) in the mobile communication system, but the service information may not be transmitted to the base station in the mobile communication system.
- the relay communication device receives the signal of the source terminal through the base station function unit 5 and controls the signal from the source terminal. After the information and service data are reprocessed, the information is sent to the base station (the base station adjacent to the relay communication device) in the mobile communication system through the terminal access unit 1; at the same time, the terminal access unit 1 receives the base station and sends it to the destination terminal After reprocessing the control information and service data therein, the information is sent to the destination terminal through the base station function unit 5.
- C. Relay equipment service ends. When the relay communication device no longer needs to cover its subnet area, the relay communication device sends information to the base station through the terminal access unit 1 to start the resource release process, the service ends, and the subnet is deleted.
- the mobile communication system using the relay communication device of the present invention includes at least one terminal, at least one conventional base station, and also includes at least one relay communication device.
- the relay communication device includes at least one terminal access unit and one base station functional unit, and covers a certain geographical area. region.
- the terminal transmits and receives wireless signals to and from the base station functional unit 5 of the relay communication device within the geographic area covered by the relay communication device.
- a conventional base station can cover a certain geographic area, and the relay communication device transmits and receives wireless signals to and from the conventional base station through the terminal access unit 1 within the geographic area covered by the conventional base station, and the terminal communicates with the relay communication device within the geographic area covered by the relay communication device.
- To establish, maintain, or release a wireless connection the relay communication device establishes, maintains, or releases a wireless connection with a conventional base station within a geographic area covered by the conventional base station.
- the terminal searches for a signal sent by the relay communication device on a downlink common channel within a geographic area covered by the relay communication device, and considers the signal to be a signal sent by an ordinary base station.
- the terminal may establish, maintain, or release a wireless connection with a relay communication device by using a method of establishing, maintaining, or releasing a wireless connection with a common base station.
- the relay communication device is different according to the communication destination of the terminal.
- the target terminal of the communication is in the subnet, it is responsible for signaling, data processing, and communication between the two terminals. Exchange; and when the communication target terminal is not in the subnet, it is responsible for signaling, data processing, and exchange of information between the terminal and the base station.
- the working mode of the relay communication device of the present invention is shown in FIG. 3.
- the present invention uses a time division duplex mobile communication system as an example to introduce its working mode.
- TD-SCDMA time division duplex mobile communication
- the subnet provided by the relay communication device can be regarded as a cell in the mobile communication network, and the user terminal works in this subnet in the same way as in the mobile communication network.
- Step 41 After the relay communication equipment is installed, it searches for a neighboring base station and applies for access. When starting work, its base station functional unit cannot transmit signals. First, its terminal access unit should search for neighboring base stations, apply for access like an ordinary terminal, and submit an application for the relay communication equipment when applying for access.
- Step 42 After the access application is accepted by the system, the system will configure the relay communication device, configure its working carrier frequency, maximum transmit power level, service capacity, time slot or code channel for transmitting services with neighboring base stations, etc. And other required parameters.
- Step 43 After the relay communication device obtains the configuration, the subnet starts to work, and will receive, through its terminal access unit, signals sent by neighboring base stations in the network through the broadcast and paging channels (BCCH and PCH), and may corresponding channels. All or part of the information on the broadcast channel is forwarded on the broadcast channel through its own base station functional unit, or its own broadcast information is generated and sent through the broadcast channel.
- BCCH and PCH broadcast and paging channels
- Step 44 The terminals in the coverage area of this subnet regard this subnet (relay communication equipment) as an ordinary base station and communicate in exactly the same manner. There may be two cases here: Step 45.
- a relay communication device with a switching function its working mode can be set as follows: Communication (no sound or data) between terminals in the same subnet are exchanged in this relay communication device. Only the charging information is transmitted to the system without transmitting service data to increase the system capacity.
- Step 46 For communication between the terminals in the subnet and the terminals outside the subnet (not "i" or "data"), the relay communication device It only plays the role of forwarding. It forwards to the neighboring base station through the service time slot (code channel) with the neighboring base station, and connects to the system through the neighboring base station. Its working mode is the same as that of ordinary services.
- Step 47 After one communication is over, the system or the relay communication device will release resources for use by other users.
- the present invention describes a technical feature related to a relay communication device in combination with a time division duplex mobile communication system and taking TD-SCDMA, one of the third generation mobile communication standards, as an example.
- the technical features can also be applied to systems of other time division duplex or frequency division duplex mobile communication standards.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005518618A JP2006516840A (ja) | 2003-01-28 | 2004-01-29 | リレー通信装置、通信方法、および、該装置および方法によるモバイル通信システム |
EP04706118A EP1589772A4 (en) | 2003-01-28 | 2004-01-29 | COMMUNICATION RELAY DEVICE, COMMUNICATION METHOD, AND MOBILE COMMUNICATION SYSTEM |
US11/192,678 US20060003760A1 (en) | 2003-01-28 | 2005-07-28 | Relay communication equipment, communication method and mobile communication system thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN03115211.2 | 2003-01-28 | ||
CNB031152112A CN1182739C (zh) | 2003-01-28 | 2003-01-28 | 移动通信系统的接力通信设备及其通信方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/192,678 Continuation US20060003760A1 (en) | 2003-01-28 | 2005-07-28 | Relay communication equipment, communication method and mobile communication system thereof |
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WO2004068876A1 true WO2004068876A1 (fr) | 2004-08-12 |
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PCT/CN2004/000084 WO2004068876A1 (fr) | 2003-01-28 | 2004-01-29 | Dispositif de relais de communication, procede de communication et systeme de communication mobile |
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US (1) | US20060003760A1 (zh) |
EP (1) | EP1589772A4 (zh) |
JP (1) | JP2006516840A (zh) |
CN (1) | CN1182739C (zh) |
WO (1) | WO2004068876A1 (zh) |
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Also Published As
Publication number | Publication date |
---|---|
US20060003760A1 (en) | 2006-01-05 |
CN1182739C (zh) | 2004-12-29 |
CN1431841A (zh) | 2003-07-23 |
JP2006516840A (ja) | 2006-07-06 |
EP1589772A1 (en) | 2005-10-26 |
EP1589772A4 (en) | 2011-01-26 |
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