CN100421483C - Multimode Wireless System - Google Patents

Abstract

The present invention provides a multi-mode wireless system, the system mainly includes: the upper-level equipment of the multi-mode wireless base station: used to communicate with the multi-mode wireless base station in the active/standby mode or load sharing mode through the wireless channel or wired cable The wireless user signal is transmitted, and the switching data transmitted by the source multi-mode wireless base station through the wireless channel or wired cable is directly bypassed to the destination multi-mode wireless base station through the bypass switch or passed to the destination multi-mode wireless base station through the switching processing of the switching processing unit. Mode wireless base station; multi-mode wireless base station: used to access the wireless users of each mode, and perform local switching on the signals of each mode wireless user in the same cell, through the wireless channel or wired cable and the upper-level equipment of the multi-mode wireless base station (such as multi-mode wireless base station controllers) transfer wireless user signals or cell handover data in an active-standby or load-sharing manner. With the invention, fast cell switching can be performed between base stations, thereby shortening the cell switching time delay.

Description

Multimode Wireless System

technical field

The invention relates to the communication field, in particular to a multi-mode wireless system.

Background technique

Cell handover is a supporting technology for mobile cellular networks. When performing cell handover under the same base station controller, the handover data of the source base station must be connected to the base station controller through a wired cable, and forwarded to the destination base station after handover processing by the handover processing unit of the base station controller.

Existing large-scale wireless networks are usually single-mode wireless systems. Its system structure is shown in Fig. 1, it is made up of wireless base station and wireless base station controller. The wireless base station and the wireless base station controller are connected through wired cables, and there is no interconnection between the wireless base stations.

The disadvantages of the single-mode wireless system described above are:

1. The wireless base stations are concentrated in the wireless base station controllers, the bandwidth of the wireless base station controllers becomes a bottleneck, and the system capacity is limited.

2. If the wired connection between the wireless base station and the wireless base station controller fails, the wireless base station will be paralyzed;

3. When a cell handover occurs, the handover data of the source base station must be forwarded to the wired transmission processing unit of the base station controller through a wired cable, and then forwarded to the destination multi-mode wireless base station after being processed by the handover processing unit. Therefore, it will cause The switching delay is large.

Contents of the invention

In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a multi-mode wireless system that can perform fast cell switching between base stations, thereby shortening the cell switching delay.

The purpose of the present invention is achieved through the following technical solutions:

A multimode wireless base station, comprising:

Multi-mode wireless base station processing unit: including multiple different modes of wireless base station processing units, each mode of wireless base station processing unit accesses the wireless users of this mode, each mode of wireless base station processing unit and multi-mode wireless base station The first-level equipment transmits the wireless user signal through the wireless channel in the main-standby mode or the load sharing mode, and transmits the switching data of the multi-mode wireless base station to the upper-level equipment of the multi-mode wireless base station through the wireless channel;

Switching unit: for switching wireless user signals between or to each multi-mode wireless base station processing unit itself.

Wired transmission processing unit: used to transmit wireless user signals through wired cables in active/standby mode or load sharing mode with the upper-level equipment of multi-mode wireless base stations, and transfer the switching data of multi-mode wireless base stations to The upper-level equipment of the multi-mode wireless base station, the wired transmission processing unit receives the wireless user signal switched by the switching unit from the multi-mode wireless base station processing unit or itself.

An upper-level device of a multimode wireless base station, comprising:

Multi-mode wireless user station processing unit: used to transmit wireless user signals through wireless channels in active/standby mode or load sharing mode with multi-mode wireless base stations, and transfer handover data transmitted by multi-mode wireless base stations through wireless channels to handover processing The unit, the multi-mode wireless subscriber station processing unit includes a plurality of different modes of wireless subscriber station processing units;

Handover processing unit: used to switch the wireless user signal between the wireless user station processing units of each mode or switch back to the wireless user station processing unit itself of each mode, and pass the switching data delivered by the multi-mode wireless user station processing unit through After handover processing, it is passed to the multi-mode wireless base station.

include:

Multimode wireless subscriber station processing unit bypass switch matrix: composed of bypass switches inside the multimode wireless subscriber station processing unit. Handover processing unit; when it is bypassed, it directly bypasses the handover data transmitted from the source multi-mode wireless base station through the wireless channel to the destination multi-mode wireless base station.

include:

Wired transmission processing unit: used to transmit wireless user signals between the wired cable and the multi-mode wireless base station, and transfer the switching data transmitted by the source multi-mode wireless base station through the wired cable to the switching processing unit, and the wired transmission processing unit can receive The wireless user signal switched by the switching processing unit from the multi-mode wireless user station processing unit or itself;

Wired transmission processing unit bypass switch matrix: located in front of the wired transmission processing unit, when it is straight through, the switching data transmitted from the source multi-mode wireless base station through the wired cable is passed to the switching processing unit; when it is bypassed, The switching data transmitted from the source multi-mode wireless base station through the wired cable is directly bypassed and transmitted to the destination multi-mode wireless base station.

A multimode wireless system comprising:

The upper-level equipment of the multi-mode wireless base station: it is used to transmit wireless user signals between the wireless channel or wired cable and the multi-mode wireless base station in an active-standby or load-sharing manner, and transmit the source multi-mode wireless base station through the wireless channel or wired The switching data transmitted by the cable is directly bypassed to the target multi-mode wireless base station through the bypass switch or transmitted to the target multi-mode wireless base station through the switching processing of the switching processing unit;

Multi-mode wireless base station: used to access wireless users of various modes, and perform local exchange for the signals of wireless users of various modes in the same cell, and communicate with the upper-level equipment of the multi-mode wireless base station through wireless channels or wired cables. Transfer wireless user signals or switch data in standby mode or load sharing mode.

A method for cell handover of a base station based on the multimode wireless system according to claim 5, comprising:

A. The multi-mode wireless base station transmits the switching data to the upper-level equipment of the multi-mode wireless base station through the wireless channel or wired cable, and the upper-level equipment directly bypasses the received switching data to the multi-mode wireless base station through the bypass switch matrix unit. The multi-mode wireless base station receiving the switching data, or forward the received switching data to the multi-mode wireless base station receiving the switching data after switching processing by the switching processing unit.

The method specifically includes: at least one of A1, A2, A3, A4, A5 and A6, wherein,

A1. The switching data of the multi-mode wireless base station is transmitted to the wired transmission processing unit in the upper-level equipment of the multi-mode wireless base station through a wired cable;

The wired transmission processing unit in the upper-level equipment of the multi-mode wireless base station transmits the switching data to the switching processing unit in the upper-level equipment of the multi-mode wireless base station, and after the switching processing by the switching processing unit, the switching data passes through the multi-mode The wired transmission processing unit in the upper-level equipment of the multi-mode wireless base station forwards it to the multi-mode wireless base station receiving the handover data via a wired cable;

A2. The switching data of the multi-mode wireless base station is transmitted to the upper-level equipment of the multi-mode wireless base station through a wired cable;

The upper-level equipment of the multi-mode wireless base station directly forwards the switching data to the multi-mode wireless base station receiving the switching data through a wired cable through a bypass switch located in front of the wired transmission processing unit;

A3. The switching data of the multi-mode wireless base station is sent to the multi-mode wireless subscriber station processing unit in the upper-level equipment of the multi-mode wireless base station through the wireless channel;

The multimode wireless subscriber station processing unit in the upper-level equipment of the multimode wireless base station passes the switching data to the switching processing unit, and after the switching processing by the switching processing unit, the switching data passes through the upper level of the multimode wireless base station The multi-mode wireless subscriber station processing unit in the level equipment forwards to the multi-mode wireless base station receiving the switching data via the wireless channel;

A4. The switching data of the multi-mode wireless base station is sent to the multi-mode wireless subscriber station processing unit in the upper-level equipment of the multi-mode wireless base station through the wireless channel;

The multi-mode wireless subscriber station processing unit in the upper-level equipment of the multi-mode wireless base station directly forwards the switching data to the multi-mode wireless base station receiving the switching data through the wireless channel through its internal bypass switch;

A5. The handover data of the multimode wireless base station is sent to the multimode wireless subscriber station processing unit or the wired transmission processing unit in the upper level equipment of the multimode wireless base station through the wireless channel, and the multimode wireless subscriber station processing unit will receive The handover data is transmitted to the handover processing unit. After the handover processing unit is handover processed, the handover data is forwarded to the multimode wireless station receiving the handover data through the wired transmission processing unit in the upper-level equipment of the multimode wireless base station via a wired cable. Base station; the wired transmission processing unit passes the received switching data to the switching processing unit, and after switching processing by the switching processing unit, the switching data passes through the multi-mode wireless subscriber station processing unit in the upper-level equipment of the multi-mode wireless base station Forward it to the multimode wireless base station receiving the handover data via the wireless channel;

A6. The switching data of the multimode wireless base station is sent to the multimode wireless subscriber station processing unit or the wired transmission processing unit in the upper level equipment of the multimode wireless base station through the wireless channel, and the multimode wireless subscriber station processing unit passes through its internal The bypass bypass switch and the bypass bypass switch located before the wired transmission processing unit directly forward the switching data to the multimode wireless base station receiving the switching data through the wired cable; the wired transmission processing unit is located at The bypass switch before the wired transmission processing unit and the internal bypass switch of the multi-mode wireless subscriber station processing unit forward the switching data to the multi-mode wireless base station receiving the switching data through the wireless channel.

A method for accessing wireless users based on the multimode wireless system according to claim 5, comprising:

B. The wireless user signals of each mode are connected to the multi-mode wireless base station through the wireless channel;

C. The wireless user signals of each mode of the access are transmitted between the multi-mode wireless base station and the upper-level equipment of the multi-mode wireless base station through wireless channels or wired cables, and the wireless users of each mode in the multi-mode wireless base station The base station processing unit transmits the received wireless user signal of this mode to the wireless user station of this mode or the wireless user station processing unit of this mode in the upper-level equipment of the multi-mode wireless base station.

The step C specifically includes at least one of C1, C2 and C3, wherein

C1. The wireless user accesses the multimode wireless base station processing unit of the corresponding mode in the multimode wireless base station through the corresponding mode wireless access technology, and the unit transmits the wireless user signal accessed to the switching unit in the multimode wireless base station;

C2. The wired transmission processing unit of the upper-level equipment of the multi-mode wireless base station transmits the wireless user signal of the corresponding mode to the wired transmission processing unit in the multi-mode wireless base station through a wired cable, and the unit transmits the received wireless user signal to the A switching unit in a multi-mode wireless base station;

C3, the multimode wireless user station processing unit of the upper level equipment of the multimode wireless base station transmits the wireless user signal of the corresponding mode to the multimode wireless base station processing unit of the corresponding mode in the multimode wireless base station through the wireless channel, and the unit will receive The received wireless user signal is transmitted to the switching unit in the multi-mode wireless base station.

The method also includes: at least one of D1, D2, D3, D4 and D5, wherein,

D1. The switching unit switches the received wireless user signal to the multi-mode wireless base station processing unit of the corresponding mode, and the unit sends the wireless user signal to the wireless user of the corresponding mode through a wireless channel;

D2. The switching unit switches the received wireless user signal to the multi-mode wireless base station processing unit of the corresponding mode, and this unit sends the wireless user signal to the corresponding corresponding in the upper-level equipment of the multi-mode wireless base station through a wireless channel mode multi-mode wireless subscriber station processing unit;

D3. The switching unit switches 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 upper-level equipment of the multimode wireless base station through a wired cable;

D4. The switching unit switches the received wireless user signals to a multi-mode wireless base station processing unit of another mode different from the corresponding mode, and this unit transmits the wireless user signals to the multi-mode wireless base station through a wireless channel A multimode wireless subscriber station processing unit of another mode different from the corresponding mode in the upper-level equipment;

D5. The switching unit switches the received wireless user signal to a multi-mode wireless base station processing unit of another mode different from the corresponding mode, and this unit transmits the wireless user signal to a multimode wireless base station processing unit different from the corresponding mode through a wireless channel mode for another mode of wireless users.

The step C specifically includes: at least one of C4 and C5, wherein,

C4. The wired transmission processing unit of the multi-mode wireless base station transmits the wireless user signal of the corresponding mode to the wired transmission processing unit in the upper-level equipment of the multi-mode wireless base station through a wired cable, and the unit transmits the received wireless user signal to A switching processing unit in the upper-level equipment of the multi-mode wireless base station;

C5, the multimode wireless base station processing unit of the multimode wireless base station transmits the wireless user signal of the corresponding mode to the multimode wireless user station processing unit of the corresponding mode in the upper level equipment of the multimode wireless base station through the wireless channel, and this unit will receive The received wireless user signals are transmitted to the switching processing unit in the upper-level equipment of the multi-mode wireless base station.

The method also includes: at least one of D6, D7 and D8, wherein,

D6. The switching processing unit switches 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 multi-mode wireless base station through a wired cable;

D7. The switching processing unit switches the received wireless user signal to the multi-mode wireless user station processing unit of the corresponding mode, and the unit transmits the wireless user signal to the corresponding mode in the multi-mode wireless base station through a wireless channel multi-mode wireless base station processing unit;

D8. The switching processing unit switches the received wireless user signal to a multi-mode wireless user station processing unit of another mode different from the corresponding mode, and this unit transmits the wireless user signal to the multi-mode wireless user station through a wireless channel A multi-mode radio base station processing unit of another mode different from the corresponding mode in the multi-mode radio base station.

As can be seen from the technical solution provided by the present invention, the present invention has the following advantages compared with the prior art:

1. In the present invention, multi-mode wireless base stations are directly interconnected with wired cables or wireless channels, and fast cell switching between base stations can be performed, thus shortening the switching delay. Moreover, the wired direct connection cables between the multi-mode wireless base stations can utilize the original wired cable resources between the multi-mode wireless base stations and the wireless base station controllers, without re-laying.

2. In the present invention, the wired cables and wireless channels between the multi-mode wireless base station and the upper-level equipment (such as the multi-mode wireless base station controller) of the multi-mode wireless base station can be mutually backed up, so that various cells can be supported Switch modes, support different application environments, and enhance transmission reliability.

3. The multi-mode wireless base station and the upper-level equipment of the multi-mode wireless base station share the load through wired and wireless channels, increase the bandwidth between the multi-mode wireless base station and the upper-level equipment of the multi-mode wireless base station, and solve the centralized aggregation of multiple wireless base stations The bottleneck problem of the wireless base station controller can be solved, so as to improve the system capacity.

Description of drawings

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 the multimode wireless system of the present invention;

FIG. 3 is a schematic diagram of a wired common cell switching mode according to the present invention;

Fig. 4 is a schematic diagram of the wired fast cell switching mode of the present invention;

FIG. 5 is a schematic diagram of a wireless common cell switching mode according to the present invention;

Fig. 6 is a schematic diagram of the wireless fast cell switching mode of the present invention;

FIG. 7 is a schematic diagram of a hybrid normal cell switching mode according to the present invention;

FIG. 8 is a schematic diagram of a hybrid fast cell switching mode according to the present invention;

Fig. 9 is a schematic diagram of an alternative solution described in the present invention;

Fig. 10 is a schematic diagram of an alternative solution described in the present invention;

Fig. 11 is a schematic diagram of an alternative solution described in the present invention;

Figure 12 is a schematic diagram of an alternative solution described in the present invention;

Figure 13 is a schematic diagram of an alternative solution according to the present invention.

Detailed ways

The invention provides a multi-mode wireless system. The core of the invention is: the multi-mode wireless base stations are directly interconnected with wired cables or wireless channels, and support fast cell switching between the multi-mode wireless base stations.

The present invention will be described in detail below in conjunction with the accompanying drawings. The structural representation of the multimode wireless system of the present invention is shown in Figure 2, which mainly includes two parts: a multimode wireless base station and a multimode wireless base station controller, wherein the multimode wireless base station controls The device is the upper-level device representing the multi-mode wireless base station, and its functions are introduced as follows:

Multi-mode wireless base station controller: used to transmit wireless user signals between the wireless channel or wired cable and the multi-mode wireless base station in active/standby mode or load sharing mode, and transmit the source multi-mode wireless base station through wireless channels or wired cables The incoming switching data is directly bypassed to the target multi-mode wireless base station through the bypass switch or transmitted to the target multi-mode wireless base station through the switching processing of the switching processing unit. The multi-mode wireless base station controller includes a wired transmission processing unit, a bypass switch matrix, a switching processing unit and a multi-mode wireless subscriber station processing unit.

Among them, the multi-mode wireless user station processing unit: used to transfer the wireless user signal through the wireless channel and the multi-mode wireless base station in a master-backup mode load sharing manner, and transfer the handover data transmitted by the source multi-mode wireless base station through the wireless channel For the handover processing unit, the multimode wireless subscriber station processing unit consists of a bypass switch matrix and more than one processing unit.

Among them, the wired transmission processing unit: used to transmit wireless user signals between the wired cable and the multi-mode wireless base station, and transmit the switching data transmitted by the source multi-mode wireless base station through the wired cable to the switching processing unit;

Among them, the bypass switch matrix: it is composed of the bypass switch located before the wired transmission processing unit in the multimode wireless base station controller and the bypass switch inside the multimode wireless user station processing unit. The cell switching data transmitted by the base station through the wired cable or wireless channel is transmitted to the switching processing unit; when it is bypassed, the cell switching data transmitted by the source multi-mode wireless base station through the wired cable or wireless channel is directly bypassed Pass to the destination multimode wireless base station;

Among them, the switching processing unit: used to switch the wireless user signal between the multi-mode wireless user station processing unit and the wired transmission processing unit or switch back to the multi-mode wireless user station processing unit and the wired transmission processing unit itself, and switch the multi-mode wireless The handover data delivered by the user station processing unit and the wired transmission processing unit is handed over to the destination multi-mode wireless base station after handover processing.

Multi-mode wireless base station: used to access wireless users of various modes, and perform local switching on the signals of wireless users of various modes in the same cell, and communicate with the multi-mode wireless base station controller through wireless channels or wired cables in active/standby mode or The load sharing mode transmits wireless user signals or cell switching data. The multi-mode wireless base station includes: a multi-mode wireless base station processing unit, a wired transmission processing unit and a switching unit.

Among them, the multi-mode wireless base station processing unit: used to access the wireless users of each mode, transfer the wireless user signals between the wireless communication and the multi-mode wireless base station controller in a master-backup mode or load sharing mode, and transfer the source multi-mode wireless The switching data of the base station is transmitted to the multi-mode wireless base station controller through the wireless channel;

Among them, the wired transmission processing unit: used to transmit wireless user signals between the multi-mode wireless base station controller in the active/standby mode or load sharing mode through the wired cable, and transfer the switching data of the source multi-mode wireless base station to the Multimode wireless base station controller;

Wherein, the switching unit: used to switch the wireless user signals between the multi-mode wireless base station processing unit and the wired transmission processing unit or back to the multi-mode wireless base station processing unit and the wired transmission processing unit itself.

There may be only wired connections, only wireless connections, or both wired and wireless connections between the multi-mode wireless base station controllers and between the multi-mode wireless base station controllers and the multi-mode wireless base stations mentioned above. In Fig. 2, only the wireless processing units of two modes (A mode and B mode) are drawn, in reality, there may be wireless processing units of various modes, for example, it may be 802.16-2004, 802.16e, WCDMA (wideband code 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. A wireless processing unit of the same mode may be composed of multiple physical unit arrays. The wireless processing units of different modes can also be integrated physically, but are separated logically. In FIG. 2, the upper-level device of the multi-mode wireless base station may be a wireless base station controller, but is not limited to the wireless base station controller. For example, in a WiMAX (Worldwide Interoperable Microwave Access) system, the upper-level equipment of the multi-mode wireless base station may be a WiMAX Access Service Gateway (ASN GW).

Both the multi-mode wireless base station and the multi-mode wireless base station controller in the above-mentioned multi-mode wireless system support multiple methods for receiving wireless user signals, which are specifically described as follows:

The multi-mode wireless base station includes the following three situations for receiving wireless user signals:

1. The wireless user accesses the multimode wireless base station processing unit of the corresponding mode in the multimode wireless base station through the corresponding mode wireless access technology (for example, 802.16-2004 broadband fixed wireless access technology, referred to as 16d), and the unit will The incoming wireless subscriber signal is passed to the switching unit.

2. The wired transmission processing unit of the multi-mode wireless base station controller transmits wireless user signals to the wired transmission processing unit in the multi-mode wireless base station through wired cables, and the unit transmits the received wireless user signals to the switching unit.

3. The multi-mode wireless user station processing unit of the multi-mode wireless base station controller 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 switching unit of the multi-mode wireless base station has the following processing procedures for the received wireless user signals:

1. The switching unit switches the received wireless user signal back to the multi-mode wireless base station processing unit of the corresponding mode, and the unit sends the wireless user signal to the wireless user of the corresponding mode through a wireless channel;

2. The switching unit switches the received wireless user signal back to the multi-mode wireless base station processing unit of the corresponding mode, and the unit sends the wireless user signal to the corresponding mode of the multi-mode wireless base station controller through the wireless channel. Modular wireless subscriber station processing unit;

3. The switching unit switches 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 multi-mode wireless base station controller through a wired cable;

4. The switching unit switches the received wireless user signals to the multi-mode wireless base station processing unit of the other mode, and this unit transmits the wireless user signals to the corresponding mode in the multi-mode wireless base station controller through the wireless channel A multi-mode wireless subscriber station processing unit;

5. The switching unit switches the received wireless user signals to the multi-mode wireless base station processing unit of another mode, and the unit transmits the wireless user signals to another wireless user of another mode through a wireless channel.

The multi-mode wireless base station controller includes the following two situations for receiving wireless user signals:

1. The wired transmission processing unit of the multi-mode wireless base station transmits the wireless user signal to the wired transmission processing unit in the multi-mode wireless base station controller through a wired cable, and the unit transmits the received wireless user signal to the switching processing unit.

2. 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 user station processing unit in the multi-mode wireless base station controller through the wireless channel, and the unit passes the received wireless user signal to the switching process unit.

The switching processing unit of the multi-mode wireless base station controller has the following three processing procedures for the received wireless user signals:

1. The switching processing unit switches 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 multi-mode wireless base station through a wired cable;

2. The switching processing unit switches the received wireless user signal back to the multi-mode wireless user station processing unit of the corresponding mode, and this unit transmits the wireless user signal to the corresponding mode of the multi-mode wireless base station through the wireless channel. Modular wireless base station processing unit.

3. The switching processing unit switches the received wireless user signal to another mode of multi-mode wireless user station processing unit, and this unit transmits the wireless user signal to the corresponding mode of multi-mode wireless base station through the wireless channel. Modular wireless base station processing unit.

In the multi-mode wireless system shown in FIG. 2 , the switching processing unit is interconnected with the wired transmission processing unit, the A-mode wireless processing unit, and the B-mode wireless processing unit, respectively. Before the wired transmission processing unit in the multi-mode wireless base station controller, that is, at the entrance of the wired port connecting each multi-mode wireless base station, a bypass switch is arranged; the A-mode wireless user in the multi-mode wireless base station controller The station processing unit and the B-mode wireless subscriber station processing unit also have bypass switches inside; these bypass switches form a bypass switch matrix. A mode of wireless processing unit can be made up of a series of processing modules and bypass switches, as shown in Figure 6, the B-mode wireless subscriber station processing unit consists of B-mode processing module 1 (for example, it can be a B-mode physical layer processing module) , a B-mode processing module 2 (for example, a protocol processing module above the B-mode physical layer) and a bypass switch.

The multi-mode wireless system shown in Figure 2 supports six cell switching modes, namely wired normal cell switching mode, wired fast cell switching mode, wireless normal cell switching mode, wireless fast cell switching mode, hybrid normal cell switching mode and hybrid fast cell switching mode. Cell switching mode.

The six cell switching modes described below are introduced respectively.

Wired ordinary cell switching mode: its schematic diagram is shown in Figure 3. When the cell is switched, the bypass switch is directly connected, and the switching data of the source multi-mode wireless base station is transmitted to the wired transmission processing unit in the multi-mode wireless base station controller through a wired cable, and then Passed to the switching processing unit in the multi-mode wireless base station controller, after the switching processing unit switching processing, the switching data is forwarded to the destination multi-mode wireless base station by the wired transmission processing unit in the multi-mode wireless base station controller via wired cables.

Wired fast cell switching mode: its schematic diagram is shown in Figure 4. When the cell is switched, the bypass switch is bypassed, and the switching data of the source multi-mode wireless base station is transmitted to the multi-mode wireless base station controller through a wired cable, and the multi-mode wireless base station controller The switching data is directly forwarded to the destination multi-mode wireless base station through the wired cable through the bypass switch located before the wired transmission processing unit.

Wireless ordinary cell switching mode: its schematic diagram is shown in Figure 5. When the cell is switched, the bypass switch is directly connected, and the switching data of the source multi-mode wireless base station is sent to the multi-mode wireless user station in the multi-mode wireless base station controller for processing through the wireless channel. unit, the multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller transmits the switching data to the switching processing unit, and after the switching processing of the switching processing unit, the switching data passes through the multi-mode wireless base station controller in the multi-mode wireless base station controller The wireless user station processing unit forwards the information to the destination multimode wireless base station through the wireless channel. .

Wireless fast cell switching mode: its schematic diagram is shown in Figure 6. When the cell is switched, the bypass switch is bypassed, and the switching data of the source multi-mode wireless base station is sent to the multi-mode wireless subscriber station in the multi-mode wireless base station controller through the wireless channel Processing unit, the multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller directly forwards the switching data to the destination multi-mode wireless base station through the wireless channel through the bypass switch inside it

Mixed common cell switching mode: its schematic diagram is shown in Figure 7. When the cell is switched, the bypass switch is directly connected, and the switching data of a source multi-mode wireless base station (source base station 1) is sent to the multi-mode wireless base station controller through the wireless channel. The multi-mode wireless base station processing unit, the multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller transmits the received handover data to the handover processing unit, after the handover processing unit handover processing, the handover data passes through the multimode wireless The wired transmission processing unit in the base station controller forwards it to the destination multimode wireless base station through the wired cable.

or

The switching data of a source multimode wireless base station (source base station 3) is transmitted to the wired transmission processing unit in the same multimode wireless base station controller through a wired cable, and the wired transmission processing unit in the multimode wireless base station controller The transmission processing unit transfers the received handover data to the handover processing unit, and after the handover processing unit is handover processed, the handover data is forwarded to the destination multimode user station through the wireless channel by the multimode wireless subscriber station processing unit in the multimode wireless base station controller. wireless base station.

Hybrid fast cell switching mode: its schematic diagram is shown in Figure 8, when the cell is switched, the bypass switch is bypassed, and the switching data of a source multi-mode wireless base station (source base station 1) is sent to the multi-mode wireless base station controller through the wireless channel The multimode wireless subscriber station processing unit in the multimode wireless base station controller, the multimode wireless subscriber station processing unit in the multimode wireless base station controller, through its internal bypass bypass switch and the bypass bypass switch located before the wired transmission processing unit, The switching data is directly forwarded to the target multi-mode wireless base station via a wired cable.

or

The switching data of a kind of source multimode wireless base station (source base station 3) is transmitted to the wired transmission processing unit in the described same multimode wireless base station controller by wired cable, and multimode wireless base station controller will pass wired cable The handover data passed through the bypass switch located before the wired transmission processing unit and the internal bypass switch of the multimode wireless user station processing unit forward the handover data to the destination multimode wireless station through the wireless channel. base station.

In the multi-mode wireless system shown in Figure 2, in practical applications, the B mode can be mainly used as the wireless user access mode (for example, 802.16e broadband mobile wireless access mode), and the A mode can be used as the wireless base station backhaul (i.e. Wireless base station data transmission to multi-mode wireless base station controller) mode. That is, most of the B-mode wireless channel bandwidth is allocated to B-mode wireless user access, and only a small part of the B-mode wireless channel bandwidth can be allocated as a backup channel for the backhaul of the wireless base station for emergency use; while the A-mode wireless channel bandwidth is mainly allocated for wireless base stations For the backhaul, only a small part of the A-mode wireless channel bandwidth can be allocated for A-mode wireless user access.

Table 1 shows the comparison of the above six cell switching modes. The wired channel in the table refers to the wired connection between the base station and the multimode wireless base station controller.

Table 1: Comparison Table of Cell Switching Modes

switch mode cable channel A mode channel B mode channel Switching delay switch data Remark wired fast Direct connection between base stations base station backhaul wireless user access the smallest Large Flow When the A-mode channel fails, it can be switched to the wired normal mode through the switch matrix wired normal base station backhaul Base station backhaul backup or failure wireless user access Small Large Flow When the A-mode channel fault is eliminated, it can be switched to the wired fast mode through the switch matrix mix fast The wired backhaul failure of base station 1: the wired channel of base station 2 is used for communication between base stations base station backhaul Wireless user access, base station 2B mode channel for inter-base station intercommunication middle medium flow Before the wired backhaul failure of base station 1, the system was in wired fast mode mixed ordinary Base station 1 wired backhaul failure base station backhaul Wireless user access big medium flow Before the wired backhaul failure of base station 1, the system was in wired normal mode wireless fast Base station 1 and 2 wired backhaul failure base station backhaul Intercommunication between base stations, wireless user access bigger small flow Before the wired backhaul failure of base stations 1 and 2, the system was in wired fast mode wireless normal Base station 1 and 2 wired backhaul failure base station backhaul wireless user access maximum small flow Before the wired backhaul failure of base stations 1 and 2, the system was in wired normal mode

In practical applications, the multi-mode wireless system shown in FIG. 2 can be simplified as required to form various alternative solutions. For example, a schematic diagram of an alternative solution is shown in FIG. 9 .

In this alternative solution, the multi-mode wireless base stations are directly connected by wired cables, and the multi-mode wireless base stations and the multi-mode wireless base station controllers are not connected by wired cables, but are connected by A-mode and B-mode wireless channels. This solution supports wired fast switching mode, wireless fast switching mode, and wireless normal switching mode.

A schematic diagram of another alternative of the present invention is shown in Figure 10. In this alternative solution, the B-mode wireless processing unit only accesses B-mode wireless users, and is not used as a backhaul of the wireless base station. Supports wired fast switching mode, wired normal switching mode, wireless normal switching mode and hybrid normal switching mode. If the cell switching data and the base station backhaul are time-division multiplexed, and the multi-mode wireless base station controller can know the time slot where the cell switching data is located in advance, then the wireless fast switching mode can also be supported.

A schematic diagram of another alternative of the present invention is shown in FIG. 11 . In this alternative solution, the multi-mode wireless base stations are directly connected through wired cables, and the multi-mode wireless base stations and the multi-mode wireless base station controllers are not connected with wired cables, but are connected through A-mode wireless channels. Only supports wired fast switching mode and wireless normal switching mode. If the cell switching data and the base station backhaul are time-division multiplexed, and the multi-mode wireless base station controller can know the time slot where the cell switching data is located in advance, then the wireless fast switching mode can also be supported.

A schematic diagram of another alternative of the present invention is shown in FIG. 12 . In this alternative solution, the multi-mode wireless base station and the multi-mode wireless base station controller are not connected with a wired cable, but are connected through an A-mode wireless channel as a backhaul of the base station. The solution supports wireless common switching mode. If the cell switching data and the base station backhaul are time-division multiplexed, and the multi-mode wireless base station controller can know the time slot in which the cell switching data is located in advance, the solution can also support the wireless fast switching mode.

A schematic diagram of another alternative of the present invention is shown in FIG. 13 . In this alternative solution, the multi-mode wireless base station and the multi-mode wireless base station controller are only connected through wired cables to serve as the backhaul of the base station. The A-mode wireless processing unit only accesses the A-mode wireless users, and the B-mode wireless processing unit only accesses the B-mode wireless users. The solution supports wired common switching mode. If the cell switching data and base station backhaul are time-division multiplexed, and the multi-mode wireless base station controller can know the time slot where the cell switching data is located in advance, the solution can also support wired fast switching mode.

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

Claims (12)

1. a multi-mode wireless base station is characterized in that, comprising:

Multi-mode wireless base station processing unit: the wireless base station processing unit that comprises a plurality of different modes, the wireless base station processing unit of each pattern inserts the wireless user of this pattern respectively, transmit wireless user's signal with active/standby mode or load sharing mode by wireless channel between the wireless base station processing unit of each pattern and the upper level equipment of multi-mode wireless base station, the switch data of multi-mode wireless base station is passed to the upper level equipment of multi-mode wireless base station by wireless channel;

Crosspoint: be used for wireless user's signal is exchanged or exchange to each multi-mode wireless base station processing unit itself between each multi-mode wireless base station processing unit.

The wire transmission processing unit: be used for and the upper level equipment of multi-mode wireless base station between with active/standby mode or load sharing mode by wired cable transmission wireless user signal, the switch data of multi-mode wireless base station is passed to the upper level equipment of multi-mode wireless base station by wired cable, and the wire transmission processing unit receives crosspoint and switches wireless user's signal of coming from multi-mode wireless base station processing unit or himself.

2. the upper level equipment of a multi-mode wireless base station is characterized in that, comprising:

Multi-mode wireless subscriber station processing unit: be used for and the multi-mode wireless base station between with active/standby mode or load sharing mode by wireless channel transmission wireless user signal, the multi-mode wireless base station is passed to switching treatmenting unit by the switch data that wireless channel passes over, and multi-mode wireless subscriber station processing unit comprises the wireless subscriber station processing unit of a plurality of different modes;

Switching treatmenting unit: be used for wireless user's signal is switched or switches back between the wireless subscriber station processing unit of each pattern the wireless subscriber station processing unit of each pattern itself, the switch data that multi-mode wireless subscriber station processing unit is passed over passes to the multi-mode wireless base station through after the hand-off process.

3. according to the upper level equipment of the described multi-mode wireless of claim 2 base station, it is characterized in that, comprising:

Multi-mode wireless subscriber station processing unit by-pass switch matrix: the by-pass switch by multi-mode wireless subscriber station processing unit inside is formed, and when it was straight-through, the switch data that multi-mode wireless base station, source is transmitted by wireless channel passed to described switching treatmenting unit; When its bypass, give purpose multi-mode wireless base station by the direct bypass transfer of switch data that wireless channel transmits with multi-mode wireless base station, source.

4. according to the upper level equipment of the described multi-mode wireless of claim 3 base station, it is characterized in that, comprising:

Wire transmission processing unit: be used for by transmitting wireless user's signal between wired cable and the multi-mode wireless base station, multi-mode wireless base station, source is passed to switching treatmenting unit by the switch data that wired cable passes over, and the wire transmission processing unit can receive switching treatmenting unit and switch wireless user's signal of coming from multi-mode wireless subscriber station processing unit or himself;

Wire transmission processing unit by-pass switch matrix: be positioned at before the wire transmission processing unit, when it was straight-through, the switch data that multi-mode wireless base station, source is transmitted by wired cable passed to described switching treatmenting unit; When its bypass, give purpose multi-mode wireless base station by the direct bypass transfer of switch data that wired cable transmits with multi-mode wireless base station, source.

5. a multi-mode wireless system is characterized in that, comprising:

The upper level equipment of multi-mode wireless base station: be used for by transmitting wireless user's signal with active/standby mode or load sharing mode between wireless channel or wired cable and the multi-mode wireless base station, with the switch data that multi-mode wireless base station, source passes over by wireless channel or wired cable, pass to purpose multi-mode wireless base station for the hand-off process of purpose multi-mode wireless base station or process switching treatmenting unit by the direct bypass transfer of by-pass switch;

Multi-mode wireless base station: the wireless user who is used to insert each pattern, each mode wireless subscriber signal in the same sub-district is done local exchange, transmit wireless user's signal or switch data with active/standby mode or load sharing mode between the upper level equipment by wireless channel or wired cable and multi-mode wireless base station.

6. a method of switching based on the base station cell of the described multi-mode wireless system of claim 5 is characterized in that, comprising:

A, multi-mode wireless base station pass to switch data by wireless channel or wired cable the upper level equipment of multi-mode wireless base station, this upper level equipment is given the multi-mode wireless base station that receives described switch data by the by-pass switch matrix unit with the direct bypass transfer of the switch data that receives, or by after the switching treatmenting unit process hand-off process switch data that receives being transmitted to the multi-mode wireless base station that receives described switch data.

7. according to the method for the described base station cell switching of claim 6, it is characterized in that described method specifically comprises: at least one item among A1, A2, A3, A4, A5 and the A6, wherein,

The switch data of A1, multi-mode wireless base station is by the wire transmission processing unit of wired cable transmission to the upper level equipment of multimode wireless base station;

Wire transmission processing unit in the upper level equipment of multi-mode wireless base station passes to described switch data the switching treatmenting unit in the upper level equipment of multi-mode wireless base station, after the switching treatmenting unit hand-off process, this switch data is transmitted to the multi-mode wireless base station that receives this switch data by the wire transmission processing unit in the upper level equipment of multi-mode wireless base station through wired cable;

The switch data of A2, multi-mode wireless base station is by the upper level equipment of wired cable transmission to the multimode wireless base station;

The upper level equipment of multi-mode wireless base station directly is transmitted to the multi-mode wireless base station that receives this switch data with this switch data by being positioned at the by-pass switch of wire transmission processing unit bypass before by wired cable;

The switch data of A3, multi-mode wireless base station sends to the multi-mode wireless subscriber station processing unit in the upper level equipment of multi-mode wireless base station by wireless channel;

Multi-mode wireless subscriber station processing unit in the upper level equipment of described multi-mode wireless base station passes to switching treatmenting unit with described switch data, after the switching treatmenting unit hand-off process, this switch data is transmitted to the multi-mode wireless base station that receives this switch data by the multi-mode wireless subscriber station processing unit in the upper level equipment of multi-mode wireless base station through wireless channel;

The switch data of A4, multi-mode wireless base station sends to the multi-mode wireless subscriber station processing unit in the upper level equipment of multi-mode wireless base station by wireless channel;

Multi-mode wireless subscriber station processing unit in the upper level equipment of described multi-mode wireless base station directly is transmitted to the multi-mode wireless base station that receives this switch data with this switch data by the by-pass switch of its internal bypass through wireless channel;

The switch data of A5, multi-mode wireless base station sends to multi-mode wireless subscriber station processing unit or the wire transmission processing unit in the upper level equipment of multi-mode wireless base station by wireless channel, described multi-mode wireless subscriber station processing unit passes to switching treatmenting unit with the switch data that receives, after the switching treatmenting unit hand-off process, this switch data is transmitted to the multi-mode wireless base station that receives this switch data by the wire transmission processing unit in the upper level equipment of multi-mode wireless base station through wired cable; Described wire transmission processing unit passes to switching treatmenting unit with the switch data that receives, after the switching treatmenting unit hand-off process, this switch data is transmitted to the multi-mode wireless base station that receives this switch data by the multi-mode wireless subscriber station processing unit in the upper level equipment of multi-mode wireless base station through wireless channel;

The switch data of A6, multi-mode wireless base station sends to multi-mode wireless subscriber station processing unit or the wire transmission processing unit in the upper level equipment of multi-mode wireless base station by wireless channel, described multi-mode wireless subscriber station processing unit directly is transmitted to the multi-mode wireless base station that receives this switch data with this switch data by the by-pass switch and the by-pass switch that is positioned at wire transmission processing unit bypass before of its internal bypass through wired cable; The by-pass switch of described wire transmission processing unit by being positioned at the bypass before the wire transmission processing unit and the by-pass switch of the internal bypass of multi-mode wireless subscriber station processing unit are transmitted to the multi-mode wireless base station that receives this switch data with this switch data through wireless channel.

8. the cut-in method based on the wireless user of the described multi-mode wireless system of claim 5 is characterized in that, comprising:

Wireless user's signal of B, each pattern is linked into the multi-mode wireless base station by wireless channel;

Wireless user's signal of each pattern of C, described access transmits between the upper level equipment of multi-mode wireless base station and multi-mode wireless base station by wireless channel or wired cable, wireless user's signal of this pattern that the wireless base station processing unit of each pattern in the multi-mode wireless base station will insert passes to the wireless subscriber station processing unit of this pattern in the upper level equipment of the wireless user of this pattern or multi-mode wireless base station.

9. described wireless user's cut-in method according to Claim 8 is characterized in that, described step C specifically comprises at least one among C1, C2 and the C3, wherein

C1, wireless user insert the multi-mode wireless base station processing unit of the corresponding modes in the multi-mode wireless base station by the corresponding modes wireless access technology, and this unit passes to crosspoint in the multi-mode wireless base station with the wireless user's signal that inserts;

The wire transmission processing unit of the upper level equipment of C2, multi-mode wireless base station transfers to wire transmission processing unit in the multi-mode wireless base station by wired cable with wireless user's signal of corresponding modes, and this unit passes to crosspoint in the multi-mode wireless base station with the wireless user's signal that receives;

The multi-mode wireless subscriber station processing unit of the upper level equipment of C3, multi-mode wireless base station transfers to the multi-mode wireless base station processing unit of the corresponding modes in the multi-mode wireless base station by wireless channel with wireless user's signal of corresponding modes, and this unit passes to crosspoint in the multi-mode wireless base station with the wireless user's signal that receives.

10. according to the described wireless user's of claim 9 cut-in method, it is characterized in that described method also comprises: at least one item among D1, D2, D3, D4 and the D5, wherein,

D1, crosspoint are with wireless user's handshaking of receiving multi-mode wireless base station processing unit to described corresponding modes, and this unit sends to described wireless user's signal by wireless channel the wireless user of corresponding modes;

D2, crosspoint be wireless user's handshaking of receiving multi-mode wireless base station processing unit to described corresponding modes, and this unit sends to described wireless user's signal by wireless channel the multi-mode wireless subscriber station processing unit of the corresponding modes in the upper level equipment of multi-mode wireless base station;

To the wire transmission processing unit, this unit transfers to described wireless user's signal by wired cable the wire transmission processing unit in the upper level equipment of multi-mode wireless base station with wireless user's handshaking of receiving for D3, crosspoint;

D4, crosspoint be wireless user's handshaking of receiving multi-mode wireless base station processing unit to the another kind of pattern that is different from described corresponding modes, and this unit passes to described wireless user's signal by wireless channel the multi-mode wireless subscriber station processing unit of the another kind of pattern that is different from described corresponding modes in the upper level equipment of multi-mode wireless base station;

D5, crosspoint are with wireless user's handshaking of receiving multi-mode wireless base station processing unit to the another kind of pattern that is different from described corresponding modes, and this unit passes to described wireless user's signal by wireless channel the wireless user of the another kind of pattern that is different from described corresponding modes.

11. described wireless user's cut-in method is characterized in that according to Claim 8, described step C specifically comprises: at least one item among C4 and the C5, wherein,

The wire transmission processing unit of C4, multi-mode wireless base station transfers to wireless user's signal of corresponding modes by wired cable the wire transmission processing unit in the upper level equipment of multi-mode wireless base station, and this unit passes to the wireless user's signal that receives the switching treatmenting unit in the upper level equipment of multi-mode wireless base station;

The multi-mode wireless base station processing unit of C5, multi-mode wireless base station transfers to wireless user's signal of corresponding modes by wireless channel the multi-mode wireless subscriber station processing unit of the corresponding modes in the upper level equipment of multi-mode wireless base station, and this unit passes to the wireless user's signal that receives the switching treatmenting unit in the upper level equipment of multi-mode wireless base station.

12. the cut-in method according to the described wireless user of claim 11 is characterized in that, described method also comprises: at least one item among D6, D7 and the D8, wherein,

D6, described switching treatmenting unit switch to the wire transmission processing unit with the wireless user's signal that receives, and this unit transfers to wire transmission processing unit in the multi-mode wireless base station by wired cable with described wireless user's signal;

D7, described switching treatmenting unit switch to the multi-mode wireless subscriber station processing unit of described corresponding modes with the wireless user's signal that receives, and this unit passes to described wireless user's signal by wireless channel the multi-mode wireless base station processing unit of the corresponding modes in the multi-mode wireless base station;

D8, described switching treatmenting unit switch to the multi-mode wireless subscriber station processing unit of the another kind of pattern that is different from described corresponding modes with the wireless user's signal that receives, and this unit passes to described wireless user's signal by wireless channel the multi-mode wireless base station processing unit of the another kind of pattern that is different from described corresponding modes in the multi-mode wireless base station.

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