WO2007006213A1 - Systeme radio de station de base multimode - Google Patents

Systeme radio de station de base multimode Download PDF

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Publication number
WO2007006213A1
WO2007006213A1 PCT/CN2006/001602 CN2006001602W WO2007006213A1 WO 2007006213 A1 WO2007006213 A1 WO 2007006213A1 CN 2006001602 W CN2006001602 W CN 2006001602W WO 2007006213 A1 WO2007006213 A1 WO 2007006213A1
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WO
WIPO (PCT)
Prior art keywords
base station
wireless
processing unit
mode
multimode
Prior art date
Application number
PCT/CN2006/001602
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English (en)
Chinese (zh)
Inventor
Ruobin Zheng
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.
Publication of WO2007006213A1 publication Critical patent/WO2007006213A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/142—Reselecting a network or an air interface over the same radio air interface technology
    • 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 communications, and in particular, to a multimode base station wireless system.
  • network costs mainly include network element costs and site costs of base stations.
  • the cost of the network element is mainly related to the cost of the electronic components;
  • the cost of the base station site is mainly related to the acquisition and operation of the site, such as the base station return cost, the station tower land lease cost, and the like.
  • the cost of electronic components declines, the cost of base station sites becomes a major cost of large-scale wireless networks.
  • FIG. 1 consists of a wireless base station and a wireless base station controller.
  • the wireless base station and the wireless base station controller are connected by a wired cable, and there is no interconnection between the wireless base stations.
  • the wireless base stations are concentrated and aggregated between the wireless base station controllers, causing the bandwidth of the wireless base station controller to become a bottleneck, thereby limiting the capacity of the entire communication system.
  • the switching data of the source base station must be forwarded by the wired transmission processing unit of the base station controller via the wired cable, and then processed by the handover processing unit and then forwarded to the destination multi-mode wireless base station, thereby causing the handover.
  • the time delay is large.
  • the object of the present invention is to provide a multi-mode base station wireless system, which can form a base station Mesh network between a multi-mode wireless base station and a multi-mode wireless relay base station, thereby improving system capacity and being fast between base stations. Cell handover, thereby shortening the cell handover delay.
  • the present invention provides a multimode wireless relay base station, including:
  • a transmission processing unit configured to transmit the handover data transmitted by the source multi-mode radio base station to the destination multi-mode radio base station or the handover processing unit;
  • Bypass switch matrix when the transmission processing unit is through, controlling to transmit cell handover data transmitted from the source multimode radio base station to the handover processing unit; when the transmission processing unit bypasses, controlling to transmit the source multimode radio base station The cell handover data is directly bypassed and transmitted to the destination multimode radio base station;
  • Switching processing unit The switching data used for transmitting the transmission processing unit is transferred to the destination multi-mode wireless base station after being switched.
  • the multi-mode wireless relay base station includes:
  • Multi-mode wireless base station processing unit for wireless users accessing each mode, transmitting wireless user signals in a master-slave manner or a load sharing manner between a wireless channel and a multi-mode wireless base station, and transmitting the source multi-mode wireless base station through a wireless channel
  • the incoming switching data is passed to the switching processing unit;
  • Multimode radio base station processing unit bypass switch matrix when the multimode radio base station processing unit is directly connected, the cell handover data transmitted by the source multimode radio base station through the radio channel is transmitted to the handover processing unit; and processed by the multimode radio base station When the unit is bypassed, the cell handover data transmitted by the source multimode radio base station through the wireless channel is directly bypassed and transmitted to the destination multimode radio base station;
  • the switching processing unit is configured to switch the wireless user signal between the processing units of the multi-mode wireless base stations or switch back to the processing units of the multi-mode wireless base stations, and perform the handover processing on the data transmitted by the multi-mode wireless base station processing unit. It is then passed to the destination multimode radio base station.
  • the multi-mode wireless relay base station includes:
  • Wired transmission processing unit used for transmitting wireless user signals between a cable device and a multi-mode wireless base station, a multi-mode wireless relay base station, and a switching data transmission by a source multi-mode wireless base station through a wired cable
  • the wired transmission processing unit may receive a wireless user signal that the handover processing unit switches from the multimode wireless base station processing unit or itself;
  • Wired transmission processing unit bypass switch matrix before the wired transmission processing unit, when it is through, the cell handover data transmitted by the source multimode wireless base station through the wired cable is transmitted to the handover processing unit; when it is bypassed Transmitting, by the source multi-mode radio base station, the cell handover data transmitted by the wired cable to the destination multi-mode radio base station;
  • Multi-mode wireless base station processing unit for wireless users accessing each mode, transmitting wireless user signals in a master-slave manner or a load-sharing manner between a wireless channel and a multi-mode wireless base station;
  • the switching processing unit is configured to switch the wireless user signal between the processing units of the multi-mode wireless base stations or switch back to the processing units of the multi-mode wireless base stations, and perform the switching process after the switching data transmitted by the processing unit of the multi-mode wireless base station is processed. Delivered to the destination multimode wireless base station.
  • the multimode relay base station further includes:
  • the multi-mode wireless subscriber station processing unit is configured to: transmit, by using a wireless channel and a multi-mode wireless base station, a wireless user signal in an active/standby manner or a load sharing manner, and transmit the handover data transmitted by the source multi-mode wireless base station through the wireless channel to the handover.
  • a processing unit the multi-mode wireless subscriber station processing unit may receive a wireless user signal that is switched by the handover processing unit from the multi-mode wireless base station processing unit, the wired transmission processing unit, or itself;
  • Multimode wireless subscriber station processing unit bypass switch matrix when the multimode wireless subscriber station is directly connected, the cell handover data transmitted by the source multimode radio base station through the wireless channel is transmitted to the handover processing unit; in the multimode wireless subscriber station When bypassing, the cell handover data transmitted by the source multimode radio base station through the wireless channel is directly bypassed to the destination multimode radio base station.
  • the invention also provides a multi-mode wireless base station, comprising:
  • Multi-mode wireless base station processing unit For wireless users accessing each mode, wireless user signals are transmitted between the wireless channel and the multi-mode wireless relay base station in active/standby mode or load sharing mode, which makes the switching of the source multi-mode wireless base station difficult. Passed to a multimode wireless relay base station via a wireless channel;
  • Switching unit For switching or exchanging wireless user signals between the various multimode radio base station processing units back to the respective multimode radio base station processing units themselves.
  • the multi-mode wireless base station further includes: a wired transmission processing unit: configured to transmit between the active/standby mode or the load sharing mode and the multi-mode wireless transit base station by using a wired cable Transmitting the wireless user signal, transmitting the switching data of the source multi-mode wireless base station to the multi-mode wireless relay base station through the wired cable, and the wired transmission processing unit may receive the wireless user signal that the switching unit switches from the multi-mode wireless base station processing unit or itself .
  • the multimode wireless base station further includes:
  • Multi-mode wireless subscriber station processing unit configured to transmit wireless subscriber signals in a master-slave manner or a load sharing manner between a wireless channel and a multi-mode wireless relay base station, and the multi-mode wireless subscriber station processing unit can receive the switching unit from the multi-mode wireless base station The processing unit, the wired transmission processing unit, or the wireless user signal exchanged by itself, transmits the handover data of the source multi-mode wireless base station to the multi-mode wireless relay base station through the wireless channel.
  • the present invention also provides a multi-mode base station radio system, including: a multi-mode wireless relay base station: a wireless user for accessing each mode, performing local exchange on each mode wireless user signal in the same cell, through a wireless channel or a cable
  • the wireless user signal is transmitted between the cable and the multi-mode wireless base station in the active/standby mode or the load sharing mode, and the switching data transmitted by the source multi-mode wireless base station through the wireless channel or the wired cable is directly bypassed by the bypass switch. Transferring the destination multi-mode wireless base station or the handover processing unit to the destination multi-mode wireless base station;
  • Multi-mode wireless base station The wireless user used to access each mode performs local exchange for each mode wireless user signal in the same cell, and performs active/standby mode or load between the wireless channel or the wired cable and the multi-mode wireless transit base station.
  • the wireless user signal or cell handover data is transmitted in a shared manner.
  • the multimode wireless transit base station includes:
  • At least two multimode wireless relay base stations are multi-mode wireless transit base station networks constructed in a star or ring or tree or mesh or any network topology.
  • the present invention also provides a method for accessing a wireless user based on the wireless system of the multi-mode base station described above, including:
  • the present invention provides a multi-mode wireless relay base station, including:
  • a transmission processing unit configured to transmit the handover data transmitted by the source multi-mode radio base station to the destination multi-mode radio base station or the handover processing unit;
  • Bypass switch matrix when the transmission processing unit is through, controlling to transmit cell handover data transmitted from the source multimode radio base station to the handover processing unit; when the transmission processing unit bypasses, controlling to transmit the source multimode radio base station The cell handover data is directly bypassed and transmitted to the destination multimode radio base station;
  • Switching processing unit The switching data used for transmitting the transmission processing unit is transferred to the destination multi-mode wireless base station after being switched.
  • the multi-mode wireless relay base station includes: a multi-mode wireless base station processing unit: a wireless user for accessing each mode, through a wireless channel and a multi-mode wireless base station The wireless user signal is transmitted between the active/standby mode and the load sharing mode, and the handover data transmitted by the source multimode wireless base station through the wireless channel is transmitted to the handover processing unit;
  • Multimode radio base station processing unit bypass switch matrix when the multimode radio base station processing unit is directly connected, the cell handover data transmitted by the source multimode radio base station through the radio channel is transmitted to the handover processing unit; and processed by the multimode radio base station When the unit is bypassed, the cell handover data transmitted by the source multimode radio base station through the wireless channel is directly bypassed and transmitted to the destination multimode radio base station;
  • Switching processing unit for switching wireless user signals between respective multi-mode wireless base station processing units or switching back to each
  • the multi-mode radio base station processing unit itself transmits the handover data transmitted by the multi-mode radio base station processing unit to the destination multi-mode radio base station after the handover process.
  • the multi-mode wireless relay base station includes:
  • Wired transmission processing unit used for transmitting wireless user signals between a cable device and a multi-mode wireless base station, a multi-mode wireless relay base station, and a switching data transmission by a source multi-mode wireless base station through a wired cable
  • the wired transmission processing unit may receive a wireless user signal that the handover processing unit switches from the multimode wireless base station processing unit or itself;
  • Wired transmission processing unit bypass switch matrix before the wired transmission processing unit, when it is through, the cell handover data transmitted by the source multimode wireless base station through the wired cable is transmitted to the handover processing unit; when it is bypassed Transmitting, by the source multi-mode radio base station, the cell handover data transmitted by the wired cable to the destination multi-mode radio base station;
  • Multi-mode wireless base station processing unit for wireless users accessing each mode, transmitting wireless user signals in a master-slave manner or a load-sharing manner between a wireless channel and a multi-mode wireless base station;
  • the switching processing unit is configured to switch the wireless user signal between the processing units of the multi-mode wireless base stations or switch back to the processing units of the multi-mode wireless base stations, and perform the switching process after the switching data transmitted by the processing unit of the multi-mode wireless base station is processed. Delivered to the destination multimode wireless base station.
  • the multimode wireless transit base station further includes:
  • the multi-mode wireless subscriber station processing unit is configured to: transmit, by using a wireless channel and a multi-mode wireless base station, a wireless user signal in an active/standby manner or a load sharing manner, and transmit the handover data transmitted by the source multi-mode wireless base station through the wireless channel to the handover.
  • a processing unit the multi-mode wireless subscriber station processing unit may receive a wireless user signal that is switched by the handover processing unit from the multi-mode wireless base station processing unit, the wired transmission processing unit, or itself;
  • Multimode wireless subscriber station processing unit bypass switch matrix when the multimode wireless subscriber station is directly connected, the cell handover data transmitted by the source multimode radio base station through the wireless channel is transmitted to the handover processing unit; in the multimode wireless subscriber station When bypassing, the cell handover data transmitted by the source multimode radio base station through the wireless channel is directly bypassed to the destination multimode radio base station.
  • the invention also provides a multi-mode wireless base station, comprising:
  • Multi-mode wireless base station processing unit for wireless users accessing each mode, transmitting wireless user signals in a master-slave manner or a load sharing manner between a wireless channel and a multi-mode wireless relay base station, and switching data of the source multi-mode wireless base station Passing to the multimode wireless relay base station through the wireless channel;
  • Switching unit For switching or exchanging wireless user signals between the various multimode radio base station processing units back to the respective multimode radio base station processing units themselves.
  • the multimode wireless base station further includes:
  • the wired transmission processing unit is configured to: transmit a wireless user signal between the active/standby mode or the load sharing mode and the multimode wireless relay base station by using a wired cable, and transmit the switching data of the source multimode wireless base station to the multimode wireless through the wired cable.
  • the transfer base, the wired transmission processing unit can receive the wireless user signal that the switching unit switches from the multi-mode wireless base station processing unit or itself.
  • the multimode wireless base station further includes:
  • Multimode wireless subscriber station processing unit used for active/standby mode or load sharing between a wireless channel and a multimode wireless relay base station
  • the method transmits the wireless user signal
  • the multi-mode wireless subscriber station processing unit can receive the wireless user signal exchanged by the switching unit from the multi-mode wireless base station processing unit, the wired transmission processing unit or itself, and the switching data of the source multi-mode wireless base station is wirelessly
  • the channel is passed to the multimode wireless relay base station.
  • the invention also provides a multi-mode base station wireless system, comprising:
  • Multi-mode wireless transit base station For wireless users accessing each mode, local exchange of each mode wireless user signal in the same cell, through the wireless channel or wired cable and multi-mode wireless base station in active/standby mode or load The wireless user signal is transmitted in a shared manner, and the switching data transmitted by the source multi-mode wireless base station through the wireless channel or the wired cable is directly bypassed by the bypass switch to the destination multi-mode wireless base station or transmitted by the switching processing unit.
  • Purpose multimode wireless base station
  • Multi-mode wireless base station The wireless user used to access each mode performs local exchange for each mode wireless user signal in the same cell, and performs active/standby mode or load between the wireless channel or the wired cable and the multi-mode wireless transit base station.
  • the wireless user signal or cell handover data is transmitted in a shared manner.
  • the multimode wireless relay base station comprises: a multimode wireless transit base station network comprising at least two multimode wireless relay base stations in a star or ring or tree or mesh or any network topology.
  • the present invention also provides a method for accessing a wireless user based on the multimode base station wireless system described above, including:
  • the wireless user accesses the multimode wireless base station or the multimode wireless transit base station through the corresponding mode wireless access technology
  • the wireless user signals of the access modes are transmitted between the multi-mode wireless base station and the multi-mode wireless transit base station through a wireless channel or a wired cable, and are passed through a multi-mode wireless base station or a multi-mode wireless transit base station.
  • the modular radio base station processing unit communicates to the wireless users of each mode or the multimode wireless subscriber station processing unit in the multimode wireless base station or multimode wireless relay base station.
  • the wireless user accesses the corresponding mode multi-mode wireless base station processing unit in the multi-mode wireless base station by using the corresponding mode radio access technology, and the unit transmits the accessed wireless user signal to the switching unit;
  • the wired transmission processing unit of the multimode wireless relay base station transmits the wireless user signal to the wired transmission processing unit in the multimode wireless base station through a wired cable, and the unit transmits the received wireless user signal to the switching unit;
  • the multi-mode wireless subscriber station processing unit of the multi-mode wireless relay base station transmits the wireless user signal to the multi-mode wireless base station processing unit in the multi-mode wireless base station through the wireless channel, and the unit transmits the received wireless user signal to the switching unit;
  • the multimode wireless base station processing unit of the multimode wireless relay base station transmits the wireless user signal to the multimode wireless subscriber station processing unit in the multimode wireless base station through the wireless channel, and the unit transmits the received wireless subscriber signal to the switching unit.
  • step B specifically includes:
  • the switching unit exchanges the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit sends the wireless user signal to the wireless user in the corresponding mode by using a wireless channel;
  • the switching unit exchanges the received wireless user signal to the wired transmission processing unit, and the unit transmits the wireless user signal to the wired transmission processing unit in the multimode wireless relay base station by using a wired cable;
  • the switching unit exchanges the received wireless user signal to another mode multi-mode wireless subscriber station processing unit, and the unit transmits the wireless subscriber signal to another mode in the multi-mode wireless transit base station through a wireless channel.
  • Multimode wireless base station processing unit ;
  • the switching unit exchanges the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, where the unit transmits the wireless user signal to a multimode of a corresponding mode in the multimode wireless relay base station through a wireless channel.
  • Wireless subscriber station processing unit
  • the wireless user accesses a corresponding mode multi-mode wireless base station processing unit in the multi-mode wireless relay base station by using a corresponding mode radio access technology, and the unit transmits the accessed wireless user signal to the handover processing unit;
  • A6 The wireless user signal from the upper-level device of the multi-mode wireless transit base station is transmitted to the switching processing unit through the wired transmission processing unit;
  • the wired transmission processing unit of the multimode wireless base station transmits the wireless user signal to the wired transmission processing unit in the multimode wireless relay base station by using a wired cable, and the unit transmits the received wireless user signal to the handover processing unit;
  • the multi-mode wireless subscriber station processing unit of the multi-mode wireless base station transmits the wireless user signal to the multi-mode wireless base station processing unit in the multi-mode wireless relay base station through the wireless channel, and the unit transmits the received wireless user signal to the handover processing unit.
  • the multi-mode wireless base station processing unit of the multi-mode wireless base station transmits the wireless user signal to the multi-mode wireless subscriber station processing unit in the multi-mode wireless relay base station through the wireless channel, and the unit transmits the received wireless user signal to the handover processing unit. .
  • the step B specifically includes:
  • the handover processing unit switches the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit sends the wireless user signal to a wireless user in a corresponding mode via a wireless channel;
  • the switching processing unit switches the received wireless user signal to a wired transmission processing unit, and the unit transmits the charging line user signal to a wired transmission processing unit in the multimode wireless base station by using a wired cable;
  • the handover processing unit switches the received wireless user signal to another mode multi-mode wireless subscriber station processing unit, and the unit transmits the wireless subscriber signal to another mode in the multi-mode wireless base station through a wireless channel.
  • Multimode wireless base station processing unit or,
  • the handover processing unit switches the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, where the unit transmits the wireless user signal to a multimode of a corresponding mode in the multimode wireless base station by using a wireless channel.
  • Wireless subscriber station processing unit
  • the switching processing unit switches the received wireless user signal to a wired transmission processing unit, and the unit transmits the wireless user signal to the upper-level device of the multi-mode wireless relay base station by using a wired cable.
  • the present invention also provides a method for base station cell handover based on the multi-mode base station radio system described above, including: the source multi-mode radio base station transmits handover data to the multi-mode wireless relay base station through a wireless channel or a wired cable;
  • the multimode wireless relay base station directly bypasses the received handover data through the bypass switch matrix unit, transmits the data to the destination multimode wireless base station through the wireless channel or the wired cable, or receives the handover after the handover processing unit performs the handover processing.
  • the data is forwarded to the destination multimode radio base station.
  • the method specifically includes any of the following situations:
  • the switching data of the source multimode radio base station is transmitted to the wired transmission processing unit in the multimode wireless relay base station through a wired cable; the wired transmission processing unit in the multimode wireless relay base station transmits the handover data to the multimode wireless relay base station a switching processing unit, after the switching processing unit switching process, the switching data is forwarded to the destination multi-mode wireless base station via a wired cable through a wired transmission processing unit in the multi-mode wireless relay base station;
  • the switching data of the source multimode radio base station is transmitted to the multimode wireless relay base station through the wired cable; the multimode wireless relay base station directly forwards the switching data to the wired cable through the bypass bypass switch located in front of the wired transmission processing unit.
  • the handover data of the source multimode radio base station is sent to the multimode wireless subscriber station processing unit or the multimode radio base station processing unit in the multimode wireless relay base station through the wireless channel; the multimode wireless subscriber station in the multimode wireless transit base station
  • the processing unit or the multi-mode radio base station processing unit transmits the handover data to the handover processing unit, and after the handover processing unit handover processing, the handover data passes through the multi-mode radio base station processing unit or the multi-mode wireless user in the multi-mode wireless relay base station
  • the station processing unit forwards to the destination multi-mode radio base station via the wireless channel;
  • the handover data of the source multimode radio base station is transmitted to the multimode wireless subscriber station processing unit or the multimode radio base station processing unit in the multimode wireless relay base station through the wireless channel; the multimode wireless subscriber station in the multimode wireless relay base station The processing unit or the multi-mode wireless base station processing unit directly forwards the handover data to the destination multi-mode wireless base station via the wireless channel through its internal bypass bypass switch; or
  • the handover data of the source multimode radio base station is sent to the multimode radio base station processing unit or the multimode radio subscriber station processing unit in the multimode radio relay base station through the radio channel; the multimode radio base station processing unit in the multimode radio relay base station Or the multi-mode wireless subscriber station processing unit transmits the received handover data to the handover processing unit, and after the handover processing unit switches the processing, the handover data is
  • the wired transmission processing unit in the overmoduled wireless transit base station is forwarded to the destination multimode wireless base station via the wired cable;
  • the switching data of the source multimode radio base station is transmitted to the wired transmission processing unit in the same multimode wireless relay base station through a wired cable; the switching data received by the wired transmission processing unit in the multimode wireless relay base station Passed to the handover processing unit, after the handover processing unit handover processing, the handover data is forwarded to the destination multi-mode wireless base station via the wireless channel through the multi-mode wireless base station processing unit or the multi-mode wireless subscriber station processing unit in the multi-mode wireless relay base station;
  • the handover data of the source multimode radio base station is sent to the multimode radio base station processing unit in the multimode radio intermediate base station or the multimode radio base station processing unit in the multimode radio interlink base station in the multimode radio base station processing unit or
  • the multi-mode wireless subscriber station processing unit directly forwards the handover data to the destination multi-mode wireless base station via the wired cable through the bypass switch of the internal bypass and the bypass bypass switch located before the wired transmission processing unit;
  • the switching data of the source multi-mode radio base station is transmitted to the wired transmission processing unit in the same multi-mode wireless relay base station through a wired cable; the multi-mode wireless relay base station transmits the handover data transmitted through the wired cable.
  • a bypass bypass switch located in front of the wired transmission processing unit and an internal bypass bypass switch of the multimode wireless base station processing unit or the multimode wireless subscriber station processing unit, and the handover data is forwarded to the destination multimode wireless via the wireless channel Base station.
  • a multi-mode wireless base station and a multi-mode wireless relay base station form a base station Mesh (network) network, and then access a higher-level device (such as a wireless base station controller), thereby solving multiple wireless
  • the base station is concentrated in the upper-level device (such as the radio base station controller), which causes the bandwidth of the upper-level device (such as the radio base station controller) to become a bottleneck, thereby improving the system capacity.
  • the base station Mesh network technology formed by the introduction of the multimode wireless relay base station is an effective means for reducing the cost of the base station site.
  • the radio channel in the multimode base station radio system can be used as a backhaul for the newly added micro cell base station, thereby effectively reducing the backhaul.
  • multi-mode radio base stations are directly interconnected by a wired cable or a wireless channel, and fast cell switching can be performed between base stations, thereby shortening the handover delay.
  • the wired direct-connect cable between the multi-mode wireless base stations can utilize the wired cable resources between the original multi-mode wireless base station and the multi-mode wireless transit base station without re-laying.
  • the wired cable and the wireless channel between the multi-mode wireless base station and the multi-mode wireless transit base station can be backed up or load-balanced, thereby supporting multiple cell switching modes and supporting different application environments. , enhance transmission reliability and system capacity.
  • FIG. 1 is a schematic structural diagram of a single mode wireless system in the prior art
  • FIG. 2 is a schematic structural diagram of a multimode base station wireless system according to the present invention.
  • FIG. 3 is a schematic diagram of a plurality of wireless relay base stations connected in a star shape
  • 4 is a schematic diagram of a plurality of wireless relay base stations connected in a ring shape
  • 5 is a schematic diagram of a plurality of wireless relay base stations connected in a tree shape
  • FIG. 6 is a schematic diagram of a plurality of wireless relay base stations connected in a mesh shape
  • FIG. 7 is a schematic structural diagram of a networking of the solution shown in FIG. 2 according to the present invention.
  • FIG. 8 is a schematic diagram of a wired normal cell handover mode according to the present invention.
  • FIG. 9 is a schematic diagram of a wired fast cell switching mode according to the present invention.
  • FIG. 10 is a schematic diagram of a wireless normal cell handover mode according to the present invention.
  • FIG. 11 is a schematic diagram of a wireless fast cell switching mode according to the present invention.
  • FIG. 12 is a schematic diagram of a hybrid normal cell handover mode according to the present invention.
  • FIG. 13 is a schematic diagram of a hybrid fast cell switching mode according to the present invention.
  • Figure 14 is a schematic illustration of an alternative to the present invention.
  • FIG. 15 is a schematic structural diagram of a networking of the alternative shown in FIG. 14 according to the present invention.
  • Figure 16 is a schematic illustration of an alternative to the present invention.
  • Figure 17 is a schematic illustration of an alternative to the present invention.
  • Figure 18 is a schematic illustration of an alternative to the present invention.
  • FIG. 19 is a schematic structural diagram of a networking of the alternative shown in FIG. 18;
  • Figure 20 is a schematic illustration of an alternative to the present invention.
  • Figure 21 is a schematic diagram showing the structure of the networking of the alternative shown in Figure 20 of the present invention.
  • the present invention provides a multi-mode base station wireless system.
  • the core of the present invention is: Introducing a multi-mode wireless relay base station, and a multi-mode wireless base station and a multi-mode wireless transit base station form a base station Mesh network, which can access multi-mode wireless users. Supports fast cell handover between multimode radio base stations. .
  • FIG. 2 is a schematic diagram showing the structure of a multimode base station radio system according to the present invention, which mainly includes a multimode radio base station and a multimode radio transit base station, and their functions are respectively described as follows:
  • Multi-mode wireless transit base station For wireless users accessing each mode, local exchange of each mode wireless user signal in the same cell, through the wireless channel or wired cable and multi-mode wireless base station in active/standby mode or load The wireless user signal is transmitted in a shared manner, and the switching data transmitted by the source multi-mode wireless base station through the wireless channel or the wired cable is directly bypassed by the bypass switch to the destination multi-mode wireless base station or transmitted by the switching processing unit.
  • Purpose Multimode wireless base station The multimode wireless relay base station includes a multimode wireless base station processing unit, a wired transmission processing unit, a bypass switch matrix, a handover processing unit, and a multimode wireless subscriber station processing unit.
  • the multi-mode wireless base station processing unit the wireless user used to access each mode, transmits the wireless user signal in the active/standby mode or the load sharing manner between the wireless channel and the multi-mode wireless base station, and passes the source multi-mode wireless base station through the wireless
  • the switching data transmitted by the channel is transmitted to the handover processing unit, and the multi-mode wireless base station processing unit is further connected with the bypass switch matrix;
  • the multi-mode wireless subscriber station processing unit is configured to: transmit, by using a wireless channel and a multi-mode wireless base station, a wireless user signal in an active/standby manner or a load sharing manner, and transmit the handover data transmitted by the source multi-mode wireless base station through the wireless channel.
  • the multimode wireless subscriber station processing unit is also connected to be provided with a bypass switch matrix.
  • the wired transmission processing unit is configured to: transmit a wireless user signal between a wired device and a multi-mode wireless base station, and a multi-mode wireless relay base station, and transfer the source multi-mode wireless base station through a wired cable. Data is passed to the switching processing unit;
  • the bypass switch matrix is composed of a bypass switch and a multi-mode wireless base station processing unit located in front of the wired transmission processing unit in the multi-mode wireless relay base station, and a bypass switch inside or outside the processing unit of the multi-mode wireless subscriber station, in which In the case of direct communication, the cell handover data transmitted by the source multimode radio base station through the wired cable or the wireless channel is transmitted to the handover processing unit; when bypassing, the source multimode radio base station is transmitted through the wired cable or the wireless channel.
  • the incoming cell handover data is directly bypassed to the destination multi-mode wireless base station; wherein, the handover processing unit is configured to: use the wireless user signal between the multi-mode wireless base station processing unit, the multi-mode wireless subscriber station processing unit, and the wired transmission processing unit Switching or switching back to the multimode wireless base station processing unit, the multimode wireless subscriber station processing unit, the wired transmission processing unit itself, and the handover of the multimode wireless base station processing unit, the multimode wireless subscriber station processing unit, and the wired transmission processing unit The data is transferred to the destination multimode wireless base station after the handover process.
  • Multi-mode wireless base station The wireless user used to access each mode performs local exchange for each mode wireless user signal in the same cell, and performs active/standby mode or load between the wireless channel or the wired cable and the multi-mode wireless transit base station.
  • the wireless user signal or cell handover data is transmitted in a shared manner.
  • the multimode wireless base station includes: a multimode wireless base station processing unit, a multimode wireless subscriber station processing unit, a wired transmission processing unit, and an exchange unit. ,
  • the multi-mode wireless base station processing unit the wireless user used to access each mode, transmits the wireless user signal in the active/standby mode or the load sharing manner between the wireless channel and the multi-mode wireless relay base station, and the source multi-mode wireless base station The switching data is transmitted to the multimode wireless relay base station through the wireless channel;
  • the multi-mode wireless subscriber station processing unit is configured to: transmit, by using a wireless channel and a multi-mode wireless transit base station, a wireless user signal in an active/standby mode or a load sharing manner, and transmit the handover data of the source multi-mode wireless base station to the wireless channel to the wireless channel.
  • Multimode wireless relay base station is configured to: transmit, by using a wireless channel and a multi-mode wireless transit base station, a wireless user signal in an active/standby mode or a load sharing manner, and transmit the handover data of the source multi-mode wireless base station to the wireless channel to the wireless channel.
  • Multimode wireless relay base station Multimode wireless relay base station.
  • the wired transmission processing unit is configured to: transmit, by using a wired cable, a wireless user signal between the active/standby mode or the load sharing mode and the multi-mode wireless transit base station, and transmit the switching data of the source multi-mode wireless base station to the cable through the wired cable.
  • a modulo wireless relay base station wherein: the switching unit is configured to exchange or exchange the wireless user signal between the multi-mode wireless base station processing unit, the multi-mode wireless subscriber station processing unit, and the wired transmission processing unit to the multi-mode wireless base station processing unit, Multimode wireless subscriber station processing unit, wired transmission processing unit itself.
  • the multi-mode wireless transit base station and the multi-mode wireless base station described above there may be only a line connection, a wireless connection only, or both a wired and a wireless connection.
  • Figure 2 only the wireless processing units of the two modes (A mode and B mode) are shown.
  • there may be multiple modes of wireless processing units for example, 802. 16-2004, 802.16e, WCDMA. (Wideband Code Division Multiple Access), CDMA2000 (a third generation wireless communication standard), TDSCDMA (a third generation wireless communication standard), GPRS (General Packet Radio Service), GSM (Global System for Mobile Communications) and other modes.
  • the same mode of wireless processing unit can be composed of multiple physical unit arrays.
  • the different types of 3 ⁇ 4 line processing units can also be physically integrated, but are logically separated.
  • the upper level device of the multimode wireless relay base station in FIG. 2 may be a wireless base station controller, but is not limited to a wireless base station controller.
  • the upper level device of the multimode wireless transit base station may be a WiMAX Access Service Gateway (ASN GW), as shown in FIG.
  • ASN GW WiMAX Access Service Gateway
  • the upper-level device of the multi-mode wireless transit base station may also be a multi-mode wireless transit base station.
  • a multi-mode wireless base station and a multi-mode wireless transit base station can form various base station Mesh networks.
  • FIG. 3 A schematic diagram of a plurality of multimode wireless relay base stations connected in a star shape is shown in FIG. 3; a schematic diagram connected in a ring shape is shown in FIG. 4; a schematic diagram connected in a tree shape is shown in FIG. 5; As shown in Figure 6.
  • the 16d BS is a multimode wireless relay base station, and the 16e/16d BS is a multimode wireless base station.
  • the multimode wireless base station and the multimode wireless transit base station in the multimode base station wireless system described above all support multiple wireless user access methods, and the details are as follows:
  • the multimode radio base station includes the following four types of receiving wireless user signals:
  • a wireless user accesses a corresponding mode multimode wireless base station processing unit in a multimode wireless base station through a corresponding mode wireless access technology (for example, 802.16-2004 broadband fixed wireless access technology, referred to as 16d), the unit The accessed wireless subscriber signal is transmitted to the switching unit.
  • a corresponding mode wireless access technology for example, 802.16-2004 broadband fixed wireless access technology, referred to as 16d
  • the wired transmission processing unit of the multimode wireless relay base station transmits the wireless user signal to the wired transmission processing unit in the multimode wireless base station through a wired cable, and the unit transmits the received wireless user signal to the switching unit.
  • the multimode wireless subscriber station processing unit of the multimode wireless relay base station transmits the wireless subscriber signal to the multimode wireless base station processing unit in the multimode wireless base station via the wireless channel, and the unit transmits the received wireless subscriber signal to the switching unit.
  • the multimode wireless base station processing unit of the multimode wireless relay base station transmits the wireless subscriber signal to the multimode wireless subscriber station processing unit in the multimode wireless base station via the wireless channel, and the unit transmits the received wireless subscriber signal to the switching unit.
  • the switching unit of the multi-mode wireless base station has the following processing procedures for the received wireless user signals:
  • the switching unit exchanges the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit transmits the wireless user signal to the wireless user of the corresponding mode through the wireless channel;
  • the switching unit exchanges the received wireless subscriber signal to a wired transmission processing unit, and the unit transmits the wireless subscriber signal to a wired transmission processing unit in the multimode wireless relay base station via a wired cable;
  • the switching unit exchanges the received wireless subscriber signal to another mode of the multimode wireless subscriber station processing unit, the unit transmitting the wireless subscriber signal to another mode in the multimode wireless relay base station via the wireless channel Multimode wireless base station processing unit;
  • the switching unit exchanges the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit transmits the wireless user signal to the multimode of the corresponding mode in the multimode wireless relay base station through the wireless channel.
  • Wireless subscriber station processing unit
  • the multimode wireless transit base station includes the following five types of receiving wireless user signals:
  • the wireless user accesses the corresponding mode multimode wireless base station processing unit in the multimode wireless relay base station through the corresponding mode wireless access technology (for example, 802.16-2004 broadband fixed wireless access technology, referred to as 16d),
  • the unit transmits the accessed wireless subscriber signal to the handover processing unit.
  • the wireless user signal from the upper level device of the multimode wireless relay base station is transmitted to the handover processing unit through the wired transmission processing unit.
  • the wired transmission processing unit of the multimode wireless base station transmits the wireless subscriber signal to the wired transmission processing unit in the multimode wireless relay base station via a wired cable, and the unit transmits the received wireless subscriber signal to the handover processing unit.
  • the multi-mode wireless subscriber station processing unit of the multi-mode wireless base station transmits the wireless user signal to the multi-mode wireless relay through the wireless channel.
  • the multi-mode wireless base station processing unit of the multi-mode wireless base station transmits the wireless user signal to the multi-mode wireless subscriber station processing unit in the multi-mode wireless relay base station through the wireless channel, and the unit transmits the received wireless user signal to the handover processing unit. .
  • the switching processing unit of the multimode wireless relay base station has the following processing procedures for the received wireless user signals:
  • the handover processing unit switches the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit transmits the wireless user signal to the wireless user of the corresponding mode via the wireless channel;
  • the switching processing unit switches the received wireless user signal to a wired transmission processing unit, and the unit transmits the wireless user signal to a wired transmission processing unit in the multimode wireless base station via a wired cable;
  • the handover processing unit switches the received wireless subscriber signal to another mode of the multimode wireless subscriber station processing unit, the unit transmitting the wireless subscriber signal to another mode in the multimode wireless base station over the wireless channel Multimode wireless base station processing unit;
  • the handover processing unit switches the received wireless user signal back to the multimode wireless base station processing unit of the corresponding mode, and the unit transmits the wireless user signal to the multimode of the corresponding mode in the multimode wireless base station through the wireless channel.
  • Wireless subscriber station processing unit
  • the switching processing unit switches the received wireless user signal to a wired transmission processing unit, and the unit transmits the wireless user signal to the upper level device of the multimode wireless relay base station via a wired cable.
  • the handover processing unit is separately interconnected with a wired transmission processing unit, an A-mode wireless processing unit, a B-mode wireless processing unit, and the like.
  • a bypass switch is provided before the wired transmission processing unit in the multi-mode wireless relay base station, that is, at the entrance of the wired port connecting each multi-mode wireless base station.
  • the A-mode wireless base station processing unit in the multi-mode wireless relay base station There are also bypass switches inside the B-mode wireless subscriber stations; these bypass switches form a bypass switch matrix.
  • a mode wireless processing unit may be composed of a physical layer processing module, a protocol processing module above the physical layer, and a bypass switch. As shown in FIG.
  • the B-mode wireless subscriber station processing unit is configured by the B-mode processing module 1 (for example, It is a B-mode physical layer processing module), a B-mode processing module 2 (for example, a protocol processing module that can be a layer above the B-mode physical layer), and a bypass switch.
  • the B-mode processing module 1 for example, It is a B-mode physical layer processing module
  • a B-mode processing module 2 for example, a protocol processing module that can be a layer above the B-mode physical layer
  • a bypass switch for example, a protocol processing module that can be a layer above the B-mode physical layer
  • the multimode base station radio system shown in FIG. 2 supports six cell handover modes, namely, a wired normal cell handover mode, a wired fast cell handover mode, a wireless normal cell handover mode, a wireless fast cell handover mode, a hybrid normal cell handover mode, and a hybrid.
  • Fast cell switching mode namely, a wired normal cell handover mode, a wired fast cell handover mode, a wireless normal cell handover mode, a wireless fast cell handover mode, a hybrid normal cell handover mode, and a hybrid.
  • Wired common cell switching mode The schematic diagram is shown in Figure 8.
  • the bypass switch is directly connected, and the switching data of the source multimode wireless base station is transmitted to the wired transmission processing unit in the multimode wireless relay base station through the wired cable, and then transmitted.
  • the switching processing unit switches the processing, the switching data is forwarded to the destination multi-mode wireless base station via the wired cable through the wired transmission processing unit in the multi-mode wireless relay base station.
  • Wired fast cell switching mode The schematic diagram is shown in Figure 9. When the cell is switched, the bypass switch is bypassed, and the switching data of the source multimode wireless base station is transmitted to the multimode wireless relay base station through the wired cable, and the multimode wireless transit base station is located.
  • the bypass bypass switch before the wired transmission processing unit directly forwards the switching data to the destination multi-mode wireless base station through the wired cable.
  • Wireless common cell switching mode The schematic diagram is shown in Figure 10.
  • the cell "fe is changed, the bypass switch is straight through, and the source multimode radio base station
  • the handover data is sent to the multimode wireless subscriber station processing unit or the multimode radio base station processing unit in the multimode wireless relay base station through the wireless channel, and the multimode wireless subscriber station processing unit or the multimode radio base station in the multimode wireless relay base station is processed.
  • the unit passes the handover data to the handover processing unit, and after the handover processing unit handover processing, the handover data is forwarded to the multi-mode wireless base station processing unit or the multi-mode wireless subscriber station processing unit in the multi-mode wireless relay base station via the wireless channel.
  • Purpose Multimode wireless base station The handover data is sent to the multimode wireless subscriber station processing unit or the multimode radio base station processing unit in the multimode wireless relay base station through the wireless channel, and the multimode wireless subscriber station processing unit or the multimode radio base station in the multimode wireless relay base station is processed.
  • Wireless fast cell switching mode The schematic diagram is shown in Figure 11.
  • the bypass switch is bypassed, and the switching data of the source multimode radio base station is sent to the multimode wireless subscriber station in the multimode wireless relay base station through the wireless channel.
  • the unit or multi-mode wireless base station processing unit, the multi-mode wireless subscriber station processing unit or the multi-mode wireless base station processing unit in the multi-mode wireless relay base station directly forwards the handover data to the wireless channel through its internal bypass bypass switch Purpose Multimode wireless base station.
  • Hybrid common cell switching mode The schematic diagram is shown in Figure 12.
  • the bypass switch is directly connected, and the switching data of a source multimode radio base station (source base station 1) is sent to the multimode wireless relay base station through the wireless channel.
  • source base station 1 source multimode radio base station 1
  • a multimode wireless base station processing unit or a multimode wireless subscriber station processing unit the multimode wireless base station processing unit or the multimode wireless subscriber station processing unit in the multimode wireless relay base station transmits the received handover data to the handover processing unit, and performs handover After the processing unit switching process, the switching data is forwarded to the destination multi-mode wireless base station via the wired cable through the wired transmission processing unit in the multi-mode wireless relay base station.
  • handover data of a source multimode radio base station is transmitted to a wired transmission processing unit in the same multimode wireless relay base station through a wired cable, the multimode wireless
  • the wired transmission processing unit in the relay base station transmits the received handover data to the handover processing unit, and after the handover processing unit handover processing, the handover data passes through the multimode wireless base station processing unit or the multimode wireless user in the multimode wireless relay base station.
  • the station processing unit forwards to the destination multimode radio base station via the wireless channel.
  • Hybrid fast cell switching mode The schematic diagram is shown in Figure 13.
  • the bypass switch bypasses, and the switching data of a source multimode radio base station (source base station 1) is sent to the multimode wireless transit base station through the wireless channel.
  • the multimode wireless base station processing unit or the multimode wireless subscriber station processing unit, the multimode wireless base station processing unit or the multimode wireless subscriber station processing unit in the multimode wireless relay base station, through its internal bypass bypass switch and located The bypass bypass switch before the wired transmission processing unit directly forwards the switching data to the destination multi-mode wireless base station via the wired cable.
  • a handover data of a source multimode radio base station is transmitted to a wired transmission processing unit in the same multimode wireless relay base station through a wired cable, and a multimode wireless relay base station
  • the switching data transmitted through the wired cable will pass through the bypass switch located in front of the wired transmission processing unit and the bypass switch of the internal bypass of the multi-mode wireless base station processing unit or the multi-mode wireless subscriber station processing unit.
  • the handover data is forwarded over the wireless channel to the destination multimode radio base station.
  • the B mode can be mainly used as a wireless user access mode (for example, 802.16e broadband mobile radio access mode, etc.), and the A mode is used as a radio base station.
  • Backhaul ie, wireless base station data transmission to wireless transit base station
  • the B-mode wireless channel bandwidth is mainly allocated for wireless.
  • base station backhaul only a small portion of the A-mode wireless channel bandwidth can be allocated for A-mode wireless user access.
  • Table 1 Comparison table of cell switching modes
  • the multi-mode base station wireless system shown in FIG. 2 can be simplified as needed to form various alternatives.
  • a schematic diagram of an alternative is shown in FIG.
  • the multimode wireless base stations are directly connected by a wired cable, and the multimode wireless base station and the multimode wireless relay base station are connected without a wired cable, and are connected by an A mode and a B mode wireless channel.
  • This solution supports wired fast switching mode, wireless fast switching mode, wireless normal switching mode, and mixed normal switching mode.
  • the schematic diagram of its networking structure is shown in Figure 15.
  • FIG. 7 A schematic of another alternative of the invention is shown in FIG.
  • the B-mode radio processing unit only accesses the B-mode wireless subscriber and is not used as a backhaul for the radio base station. Supports wired fast switching mode, wired normal switching mode, wireless normal switching mode, and mixed normal switching mode. If the cell handover data and the base station backhaul are time-multiplexed, and the wireless relay base station can know the time slot in which the cell handover data is located in advance, the wireless fast handover mode can also be supported.
  • the schematic diagram of its networking structure is shown in Figure 7.
  • FIG. 15 A schematic of another alternative of the invention is shown in FIG.
  • the multimode wireless base stations are directly connected by a wired cable, and the multimode wireless base station and the wireless intermediate base station are connected without a wired cable, and are connected by an A mode wireless channel. Only wired fast switching mode and wireless normal switching mode are supported. If the cell handover data and the base station backhaul are time-multiplexed, and the wireless relay base station can know in advance the time slot in which the cell handover data is located, the wireless fast handover mode can also be supported.
  • the schematic diagram of its networking structure is shown in Figure 15.
  • FIG. 19 A schematic of another alternative of the invention is shown in FIG.
  • the multimode wireless base station and the multimode wireless relay base station are not connected by a wired cable, but are connected by the A mode wireless channel for base station backhaul.
  • This solution supports the wireless normal switching mode. If the cell handover data and the base station backhaul are time-multiplexed, and the wireless relay base station can know in advance the time slot in which the cell handover data is located, the scheme can also support the wireless fast handover mode.
  • the schematic diagram of its networking structure is shown in Figure 19.
  • FIG. 21 A schematic of another alternative of the invention is shown in FIG.
  • multimode wireless base stations and multimode wireless The base stations are connected only by wired cables for base station backhaul.
  • the B-mode wireless processing unit only accesses the B-mode wireless subscriber.
  • This scheme supports wired normal switching mode. If the cell handover data and the base station backhaul are time-multiplexed, and the wireless relay base station can know in advance the time slot in which the cell handover data is located, the scheme can also support the wired fast handover mode.
  • FIG. 21 A schematic diagram of its networking structure is shown in FIG. 21.

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

Abstract

Ce système radio de station de base multimode comprend essentiellement: une station de base de transmission radio multimode permettant l'accès sans fil à un utilisateur pour chaque mode de manière à assurer l'échange de signaux utilisateur sans fil compris dans la même cellule, à transmettre les signaux radios utilisateurs ou les données de transfert intercellulaire en mode radio ou câblé ou en mode à égalisation de charge entre stations, et à prendre en charge le transfert direct intercellulaire de station mobile radio multimode, notamment en transmettant les données de transfert intercellulaire envoyées depuis la station de base multimode à travers le canal radio ou câblé sans, pour autant, transférer la station de base multimode, et à transmettre directement l'information à la station de base sans fil multimode destinataire. La station de base de transmisstion radio multimode permettant l'accès sans fil à un utilisateur pour chaque mode de manière à assurer l'échange de signaux utilisateur sans fil compris dans la même cellule, à transmettre les signaux radios utilisateurs ou les données de transfert intercellulaire en mode radio ou câblé ou en mode à égalisation de charge entre stations. Ainsi, on peut obtenir un réseau maillé et améliorer la capacité du système, avec pour effet d'accélérer le transfert intercellulaire entre les stations mobiles et réduire, de ce fait, le délai de transfert intercellulaire.
PCT/CN2006/001602 2005-07-08 2006-07-07 Systeme radio de station de base multimode WO2007006213A1 (fr)

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CN101193351B (zh) * 2006-11-20 2011-02-16 华为技术有限公司 多制式基站及其信息处理方法和无线通信系统
CN101193395B (zh) * 2006-11-24 2011-03-02 中兴通讯股份有限公司 一种无线通信系统中多模基站告警上报方法
CN101202975B (zh) * 2007-12-10 2011-03-30 华为技术有限公司 一种多模无线通信基站控制系统
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KR101457851B1 (ko) 2011-09-21 2014-11-12 후아웨이 테크놀러지 컴퍼니 리미티드 다중-모드 기지국 경보 방법, 다중-모드 기지국 및 통신 시스템
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