WO2007006213A1

WO2007006213A1 - Multi-mode base station radio system

Info

Publication number: WO2007006213A1
Application number: PCT/CN2006/001602
Authority: WO
Inventors: Ruobin Zheng
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2005-07-08
Filing date: 2006-07-07
Publication date: 2007-01-18
Also published as: CN1863346A; CN100442882C

Abstract

A multi-mode base station radio system, mainly includes: multi-mode radio forwarding base station, for accessing radio user with various modes, switching the radio user signal with various modes in the same cell, and transferring radio user signal or cell handoff data with backup form or load-equalization form between radio channel or wired line and multi-mode radio base station, and supporting direct handoff between multi-mode radio base station, that is, bypassing the handoff data sent from the source multi-mode radio base station through radio channel or wired line, and without the handoff process of multi-mode forwarding base station, transferring to destination multi-mode radio base station directly; multi-mode radio base station, for accessing radio user with various modes, switching the radio user signal with various modes in the same cell, and transferring radio user signal or cell handoff data with backup form or load-equalization form between radio channel or wired line and multi-mode radio forwarding base station. By employing the present invention, the multi-mode radio base station and multi-mode radio forwarding base station can form base station Mesh network, thereby improving the capacity of system, and performing fast cell handoff between base station, and reducing the delay of cell handoff.

Description

Multimode base station wireless system

Technical field

The present invention relates to the field of communications, and in particular, to a multimode base station wireless system.

Background of the invention

In the planning and deployment phase of large-scale wireless networks, 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. As the cost of electronic components declines, the cost of base station sites becomes a major cost of large-scale wireless networks.

Existing large-scale wireless networks are typically single-mode wireless systems. Its system structure is shown in Figure 1, which 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.

It is not difficult to see that the disadvantages of the single mode wireless system described in the prior art include:

1. 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.

2. When the wireless network evolves from the macro cell wireless or mobile network to the dense micro cell, it is necessary to carefully plan the micro cell site, and add a cable to each newly added micro cell base station for backhaul, and connect to the radio base station control. The processing is more complicated.

3. When a cell handover occurs, 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.

Summary of the invention

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 object of the invention is achieved by the following technical solutions:

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.

When the transmission processing unit is a multi-mode wireless base station processing unit, 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.

When the transmission processing unit is a wired transmission processing unit, 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 To the handover processing unit, 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:

When the transmission processing unit is a multi-mode wireless base station processing unit, 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 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 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;

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, and 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;

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:

A. The wireless user accesses the multimode wireless base station or the multimode wireless transit base station through the corresponding mode wireless access technology;

B. 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 step A described specifically includes:

Al, 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;

Or,

A2. 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;

Or,

A3. 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;

Or,

A4. 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.

Based on any of the foregoing steps A1 to A4, the step B specifically includes:

Bl, 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;

or, B2, 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;

Or,

B3. 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;

Or,

B4. 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 step A described specifically includes:

A5. 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;

Or,

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;

Or,

A7. 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;

Or,

A8. 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. ;

Or,

A9. 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. .

Based on any of the foregoing steps A5 to A9, the step B specifically includes:

B5. 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;

Or,

B6. 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;

,

B7. 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,

B8. 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;

Or,

B9. 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;

Or,

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. Purpose multimode wireless base station;

Or,

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;

Or,

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; or

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;

Or,

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;

Or,

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.

It can be seen from the technical solution provided by the above invention that the present invention has the following advantages compared with the prior art:

1. In the present invention, 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.

2. In the present invention, 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. Especially when the macro cell wireless or mobile network evolves to a dense micro cell, it is not necessary to add too much planning, and 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. The cost of deploying large-scale wireless networks.

3. In the present invention, 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. And 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.

In the present invention, 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.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic structural diagram of a single mode wireless system in the prior art;

2 is a schematic structural diagram of a multimode base station wireless system according to the present invention;

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;

6 is a schematic diagram of a plurality of wireless relay base stations connected in a mesh shape;

7 is a schematic structural diagram of a networking of the solution shown in FIG. 2 according to the present invention;

8 is a schematic diagram of a wired normal cell handover mode according to the present invention;

9 is a schematic diagram of a wired fast cell switching mode according to the present invention;

10 is a schematic diagram of a wireless normal cell handover mode according to the present invention;

11 is a schematic diagram of a wireless fast cell switching mode according to the present invention;

12 is a schematic diagram of a hybrid normal cell handover mode according to the present invention;

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;

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.

Mode for carrying out the 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. .

The present invention will be described in detail below with reference to the accompanying drawings. 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. To the handover processing unit, 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.

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.

Between the multi-mode wireless transit base stations, 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. In Figure 2, only the wireless processing units of the two modes (A mode and B mode) are shown. In practice, 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. For example, in a WiMAX (Global Interoperable Microwave Access) system, the upper level device of the multimode wireless transit base station may be a WiMAX Access Service Gateway (ASN GW), as shown in FIG. For another example, 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. 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:

1. 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.

2. 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.

3. 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.

4. 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:

1. 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;

2. 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;

3. 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;

4. 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:

1. 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.

2. 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.

3. 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.

4. 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. A multimode wireless base station processing unit in the base station, the unit transmitting the received wireless user signal to the handover processing unit.

5. 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:

1. 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;

2. 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;

3. 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;

4. 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;

5. 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.

In the multimode base station radio system shown in FIG. 2, 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. 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, a bypass switch is provided; 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. 10, 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 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.

The six cell switching modes described above are respectively described below.

Wired common cell switching mode: The schematic diagram is shown in Figure 8. When the cell is switched, 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. After 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.

Wireless fast cell switching mode: The schematic diagram is shown in Figure 11. When the cell is switched, 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. When the cell is switched, 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. 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.

Or,

Still as shown in FIG. 12, handover data of a source multimode radio base station (source base station 2) 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. When the cell switches, 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.

Or '

Still as shown in FIG. 13, a handover data of a source multimode radio base station (source base station 2) 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.

In the multimode base station radio system shown in FIG. 2, in practical applications, 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) mode. That is, most of the B-mode wireless channel bandwidth is allocated to the B-mode wireless user access, and only a small portion of the B-mode wireless channel bandwidth can be allocated as the backup channel of the wireless base station backhaul for emergency use; and the A-mode wireless channel bandwidth is mainly allocated for wireless. For base station backhaul, only a small portion of the A-mode wireless channel bandwidth can be allocated for A-mode wireless user access. '

The comparison of the six cell switching modes described above is shown in Table 1. The wired channel in the table refers to the wired connection between the base station and the multimode wireless relay base station. Table 1: Comparison table of cell switching modes

In practical applications, the multi-mode base station wireless system shown in FIG. 2 can be simplified as needed to form various alternatives. For example, a schematic diagram of an alternative is shown in FIG.

In this alternative, 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.

A schematic of another alternative of the invention is shown in FIG. In this alternative, 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.

A schematic of another alternative of the invention is shown in FIG. In this alternative, 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.

A schematic of another alternative of the invention is shown in FIG. In this alternative, 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.

A schematic of another alternative of the invention is shown in FIG. In this alternative, 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. A schematic diagram of its networking structure is shown in FIG. 21.

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or within the technical scope disclosed by the present invention. Alternatives are intended to be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

Rights request

A multimode wireless relay base station, characterized in that it comprises:

The multi-mode wireless relay base station according to claim 1, wherein the multi-mode wireless relay base station comprises:

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;

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 processing on the switching data transmitted by the processing unit of the multi-mode wireless base station. Delivered to the destination multimode wireless base station.

The multimode wireless relay base station according to claim 1, wherein when the transmission processing unit is a wired transmission processing unit, the multimode wireless relay base station comprises: a wired transmission processing unit: The wireless user signal is transmitted between the wired cable and the multi-mode wireless base station and the upper-level device of the multi-mode wireless relay base station, and the switching data transmitted by the source multi-mode wireless base station through the wired cable is transmitted to the switching processing unit, and the wired transmission processing is performed. The unit may receive a wireless user signal that the handover processing unit switches from the multi-mode wireless base station processing unit or itself;

The multi-mode wireless relay base station according to claim 1, 2 or 3, wherein the multi-mode wireless relay base station further comprises: 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;

A multi-mode wireless base station, comprising: a multi-mode wireless base station processing unit: a wireless user for accessing each mode, in a master-slave manner or a load between a wireless channel and a multi-mode wireless relay base station The wireless user signal is transmitted in a shared manner, and the switching data of the source multi-mode wireless base station is transmitted to the multi-mode wireless relay base station through the wireless channel;

The multi-mode radio base station according to claim 5, further comprising:

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 relay base station, 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 multi-mode wireless base station according to claim 5 or 6, further comprising:

8. A multi-mode base station radio system, comprising:

The multimode base station radio system according to claim 8, wherein the multimode wireless relay base station comprises: at least two multimode wireless relay base stations in a star or ring shape or a tree shape or a mesh shape or an arbitrary A multimode wireless transit base station network composed of network topologies.

A method for accessing a wireless user based on the wireless system of the multimode base station described above, comprising: A. A wireless user accessing a multimode wireless base station or a multimode wireless relay through a corresponding mode wireless access technology Base station

B. The wireless user signals of each mode of the access are transited by a multi-mode wireless base station and multi-mode wireless through a wireless channel or a wired cable. The base station transmits the multi-mode wireless subscriber station in the multi-mode wireless base station or the multi-mode wireless base station or the multi-mode wireless relay base station in the multi-mode wireless base station processing unit in the multi-mode wireless base station or the multi-mode wireless relay base station Processing unit.

The method for accessing a wireless user according to claim 10, wherein the step A specifically includes: Al, a wireless user accessing a corresponding mode in the multimode wireless base station by using a corresponding mode wireless access technology a multi-mode wireless base station processing unit, the unit transmits the accessed wireless user signal to the switching unit;

Or,

The method for accessing a wireless user according to claim 11, wherein the step B specifically includes:

Or,

B2. The switching unit exchanges 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 relay base station by using a wired cable;

Or,

The method for accessing a wireless user according to claim 10, wherein the step A specifically includes: A5. The wireless user accesses a corresponding mode in the multimode wireless relay base station by using a corresponding mode radio access technology. a multi-mode wireless base station processing unit, the unit transmits the accessed wireless user signal to the handover processing unit;

Or,

A6. The wireless user signal from the upper-level device of the multi-mode wireless transit base station is transmitted to the handover processing unit through the wired transmission processing unit;

Or,

A7. The wired transmission processing unit of the multimode wireless base station transmits the wireless user signal to the multimode wireless relay base station through the wired cable. a wired transmission processing unit that transmits the received wireless user signal to the handover processing unit; or

Or,

The method for accessing a wireless user according to claim 13, wherein the step B specifically includes: -B5, the switching processing unit switches the received wireless user signal back to the multimode wireless of the corresponding mode. a base station processing unit, the unit transmitting the wireless user signal to a wireless user in a corresponding mode via a wireless channel;

Or, -

B6. 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 multi-mode wireless base station by using a wired cable;

Or,

B7. 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,

A method for base station cell handover based on the multi-mode base station radio system described above, the method comprising: the source multi-mode radio base station transmitting the handover data to the multi-mode wireless relay base station by using a wireless channel or a wired cable;

The method for cell handover of a base station according to claim 15, wherein the method specifically includes: transmitting, by using a wired cable, handover data of the source multimode radio base station to a wired transmission processing unit in the multimode wireless relay base station; The wired transmission processing unit in the multimode wireless relay base station transmits the handover data to the handover processing unit in the multimode wireless relay base station, and after the handover processing unit switching processing, the handover data is transmitted through the wired transmission in the multimode wireless relay base station. The processing unit forwards the cable to the destination multi-mode wireless base station via the wired cable;

Or,

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 transit base station passes the bit The bypass switch of the bypass before the wired transmission processing unit directly forwards the switching data to the destination multi-mode wireless base station through the wired cable;

Or,

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; and the multimode wireless subscriber station processing in the multimode wireless relay base station The unit or multi-mode radio base station processing unit transfers 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 subscriber station in the multi-mode radio relay base station The processing unit forwards to the destination multi-mode wireless base station via the wireless channel;

Or,

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; and the multimode wireless subscriber station processing in the multimode wireless relay base station The unit or multi-mode radio base station processing unit directly forwards the handover data to the destination multi-mode radio 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 transfers the received handover data to the handover processing unit, and after the handover processing unit handover processing, the handover data is forwarded to the destination by the wired transmission processing unit in the multi-mode wireless relay base station via the wired cable. Multimode wireless base station;

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 user processing unit directly forwards the switching data to the destination multi-mode wireless base station via the wired cable through its internal bypass bypass switch and a bypass bypass switch located in front of the wired transmission processing unit;

Or, the handover 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 by using a wired cable; and the multi-mode wireless relay base station transmits the handover through the wired cable. Data, the switching data is forwarded to the destination via the wireless channel through a bypass bypass switch located in front of the wired transmission processing unit and a bypass switch of the multi-mode wireless base station processing unit or the internal bypass of the multi-mode wireless subscriber station processing unit Multimode wireless base station.