CN100421483C - Multi-mode wireless system - Google Patents
Multi-mode wireless system Download PDFInfo
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- CN100421483C CN100421483C CNB2005100886475A CN200510088647A CN100421483C CN 100421483 C CN100421483 C CN 100421483C CN B2005100886475 A CNB2005100886475 A CN B2005100886475A CN 200510088647 A CN200510088647 A CN 200510088647A CN 100421483 C CN100421483 C CN 100421483C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W36/14—Reselecting a network or an air interface
- H04W36/142—Reselecting a network or an air interface over the same radio air interface technology
Abstract
The present invention provides a multimode wireless system which comprises multimode wireless base stations and superior devices thereof, wherein the superior devices of the multimode wireless base stations are used for transferring wireless user signals with the multimode wireless base stations through wireless channels or wire cables in a master spare mode or a load spare mode. The superior devices directly transfer switching data, the switching data which is transferred by source multimode wireless base stations through wireless channels or wire cables, to target multimode wireless base stations in a bypass mode through bypass switches or via the switching process of switch processing units. The multimode wireless base stations are used for the access of wireless users of different modes, the local exchange of wireless user signals of different modes in a same cell, and the transfer of wireless user signals or cell switching data between one of the multimode wireless base stations and the superior device thereof (for example, a multimode wireless base station controller) through wireless channels or wire cables in the master spare mode or the load spare mode. When the present invention is used, quick cell switching between two base stations is realized, so cell switching time delay is reduced.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of multi-mode wireless system.
Background technology
Switch the sub-district is a kind of supporting technology of mobile cellular net.When switched the sub-district under carrying out same base station controller, the switch data of source base station must be transmitted to the purpose base station through after the switching treatmenting unit hand-off process of base station controller through wired cable access base station controller.
Existing large-scale wireless network is generally the single mode wireless system.Its system configuration is made up of wireless base station and radio base station controller as shown in Figure 1.Be connected no any interconnection between the wireless base station by wired cable between wireless base station and radio base station controller.
Above the shortcoming of described single mode wireless system be:
1, the wireless base station is concentrated and is converged between radio base station controller, and the bandwidth of radio base station controller becomes bottleneck, and power system capacity is limited.
2, wired connection is if break down between wireless base station and radio base station controller, will paralyse in the wireless base station;
3, when the sub-district switching took place, the switch data of source base station must be transmitted through the wire transmission processing unit of wired cable access base station controller, was transmitted to purpose multi-mode wireless base station again after switching treatmenting unit is handled, and therefore, will cause handover delay big.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of multi-mode wireless system, can between the base station, carry out fast cell and switch, thereby shorten the sub-district handover delay.
The objective of the invention is to be achieved through the following technical solutions:
A kind of multi-mode wireless base station comprises:
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.
The upper level equipment of a kind of multi-mode wireless base station comprises:
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.
Comprise:
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.
Comprise:
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.
A kind of multi-mode wireless system comprises:
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.
A kind of method of switching based on the base station cell of the described multi-mode wireless system of claim 5 comprises:
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.
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.
A kind of wireless user's based on the described multi-mode wireless system of claim 5 cut-in method comprises:
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.
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.
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.
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.
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.
As seen from the above technical solution provided by the invention, the present invention compares with prior art, has following advantage:
1, in the present invention, with wired cable or wireless channel direct interconnection, can between the base station, carry out fast cell and switch, thereby shorten handover delay between the multi-mode wireless base station.And the wired direct-connected cable between the multi-mode wireless base station can utilize the wired cable resource between original multi-mode wireless base station and radio base station controller, need not lay again.
2, in the present invention, wired cable and wireless channel between the upper level equipment of multi-mode wireless base station and multi-mode wireless base station (as the multi-mode wireless base station controller) can backup each other, thereby can support multiple sub-district switch mode, support different applied environments, strengthen transmission reliability.
3, the upper level equipment room of multi-mode wireless base station and multi-mode wireless base station is shared by the wire and wireless channel load, increase the bandwidth of the upper level equipment room of multi-mode wireless base station and multi-mode wireless base station, solve a plurality of wireless base stations and concentrate the bottleneck problem that converges at radio base station controller, thereby improve power system capacity.
Description of drawings
Fig. 1 is the structural representation of single mode wireless system in the prior art;
Fig. 2 is the structural representation of multi-mode wireless system of the present invention;
Fig. 3 is the schematic diagram of wired common sub-district of the present invention switch mode;
Fig. 4 is the schematic diagram of wired fast cell switch mode of the present invention;
Fig. 5 is the schematic diagram of wireless common sub-district of the present invention switch mode;
Fig. 6 is the schematic diagram of wireless fast cell switch mode of the present invention;
Fig. 7 is the schematic diagram of the common sub-district of mixing of the present invention switch mode;
Fig. 8 is the schematic diagram of mixing fast cell switch mode of the present invention;
Fig. 9 is the schematic diagram of a kind of replacement scheme of the present invention;
Figure 10 is the schematic diagram of a kind of replacement scheme of the present invention;
Figure 11 is the schematic diagram of a kind of replacement scheme of the present invention;
Figure 12 is the schematic diagram of a kind of replacement scheme of the present invention;
Figure 13 is the schematic diagram of a kind of replacement scheme of the present invention.
Embodiment
The invention provides a kind of multi-mode wireless system, core of the present invention is: with wired cable or wireless channel direct interconnection, be supported in and carry out the fast cell switching between the multi-mode wireless base station between the multi-mode wireless base station.
Describe the present invention in detail below in conjunction with accompanying drawing, the structural representation of multi-mode wireless system of the present invention as shown in Figure 2, mainly comprise two parts of multi-mode wireless base station and multi-mode wireless base station controller, wherein the multi-mode wireless base station controller is a upper level equipment of representing the multi-mode wireless base station, and its function is described below respectively:
Multi-mode wireless base station controller: 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.The multi-mode wireless base station controller comprises wired transmission processing unit, by-pass switch matrix, switching treatmenting unit and multi-mode wireless subscriber station processing unit.
Wherein, multi-mode wireless subscriber station processing unit: be used for by transmitting wireless user's signal in active/standby mode formula load sharing mode between wireless channel and the multi-mode wireless base station, multi-mode wireless base station, source is passed to switching treatmenting unit by the switch data that wireless channel passes over, and multi-mode wireless subscriber station processing unit is made up of a by-pass switch matrix and a more than processing unit.
Wherein, wire transmission processing unit: be used for multi-mode wireless base station, source being passed to switching treatmenting unit by the switch data that wired cable passes over by transmitting wireless user's signal between wired cable and the multi-mode wireless base station;
Wherein, by-pass switch matrix: form by being positioned at the by-pass switch before the wire transmission processing unit and the by-pass switch of multi-mode wireless subscriber station processing unit inside in the multi-mode wireless base station controller, when it is straight-through, multi-mode wireless base station, source is passed to described switching treatmenting unit by the sub-district switch data that wired cable or wireless channel transmit; When its bypass, give purpose multi-mode wireless base station by the direct bypass transfer of sub-district switch data that wired cable or wireless channel transmit with multi-mode wireless base station, source;
Wherein, switching treatmenting unit: be used for wireless user's signal is switched or switch back multi-mode wireless subscriber station processing unit, wire transmission processing unit itself between multi-mode wireless subscriber station processing unit and wire transmission processing unit, the switch data that multi-mode wireless subscriber station processing unit, wire transmission processing unit are passed over passes to purpose multi-mode wireless base station through after the hand-off process.
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, by transmitting wireless user's signal or sub-district switch data with active/standby mode or load sharing mode between wireless channel or wired cable and the multi-mode wireless base station controller.The multi-mode wireless base station comprises: multi-mode wireless base station processing unit, wire transmission processing unit and crosspoint.
Wherein, multi-mode wireless base station processing unit: the wireless user who is used to insert each pattern, transmit wireless user signal with active/standby mode or load sharing mode by wireless communication between the logical and multi-mode wireless base station controller, the switch data of multi-mode wireless base station, source is passed to the multi-mode wireless base station controller by wireless channel;
Wherein, wire transmission processing unit: be used for by wired cable transmitting wireless user's signal between active/standby mode or load sharing mode and the multi-mode wireless base station controller, the switch data of multi-mode wireless base station, source is passed to the multi-mode wireless base station controller by wired cable;
Wherein, crosspoint: be used for wireless user's signal is exchanged or exchange back multi-mode wireless base station processing unit, wire transmission processing unit itself between multi-mode wireless base station processing unit, wire transmission processing unit.
Between multi-mode wireless base station controller recited above, between multi-mode wireless base station controller and multi-mode wireless base station, only wired connection, only wireless connections or wired and wireless connections all have.In Fig. 2, only drawn the wireless processing unit of two kinds of patterns (A mould and B mould), the wireless processing unit that various modes can be arranged in practice, for example, can be 802.16-2004,802.16e, WCDMA (Wideband Code Division Multiple Access (WCDMA)), CDMA2000 (a kind of third generation wireless communication standard), TDSCDMA (a kind of third generation wireless communication standard), GPRS (GPRS), GSM (global system for mobile communications) isotype.Wireless processing unit with a kind of pattern can be made up of a plurality of physical location arrays.The wireless processing unit of pattern of the same race can not unified physically yet, but logically separates.The upper level equipment of multi-mode wireless base station can be radio base station controller in Fig. 2, but is not limited to radio base station controller.For example in WiMAX (inserting of microwave can be operated mutually in the whole world) system, the upper level equipment of multi-mode wireless base station can be WiMAX Access Service Network Gateway (ASN GW).
Multi-mode wireless base station in the multi-mode wireless system recited above and multi-mode wireless base station controller are all supported the method for multiple reception wireless user signal, specifically describe as follows:
The multi-mode wireless base station comprises following 3 kinds of situations that receive wireless user's signal:
1, the wireless user by the corresponding modes wireless access technology (for example, 802.16-2004 broadband fixed wireless access technology, be called for short 1 6d), the multi-mode wireless base station processing unit of the corresponding modes in the access multi-mode wireless base station, this unit passes to crosspoint with the wireless user's signal that inserts.
2, the wire transmission processing unit of multi-mode wireless base station controller transfers to wire transmission processing unit in the multi-mode wireless base station by wired cable with wireless user's signal, and this unit passes to crosspoint with the wireless user's signal that receives.
3, the multi-mode wireless subscriber station processing unit of multi-mode wireless base station controller transfers to multi-mode wireless base station processing unit in the multi-mode wireless base station by wireless channel with wireless user's signal, and this unit passes to crosspoint with the wireless user's signal that receives.
The crosspoint of multi-mode wireless base station has following several handling process again to the wireless user's signal that receives:
1, crosspoint returns the wireless user's handshaking that receives to the multi-mode wireless base station processing unit of described corresponding modes, and this unit sends to described wireless user's signal by wireless channel the wireless user of corresponding modes;
2, crosspoint returns the wireless user's handshaking that receives to the multi-mode wireless base station processing unit of 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 multi-mode wireless base station controller;
3, to the wire transmission processing unit, this unit transfers to wire transmission processing unit in the multi-mode wireless base station controller by wired cable with described wireless user's signal to crosspoint with wireless user's handshaking of receiving;
4, crosspoint is with wireless user's handshaking of receiving multi-mode wireless base station processing unit to described another kind of pattern, and this unit passes to described wireless user's signal by wireless channel the multi-mode wireless subscriber station processing unit of the corresponding modes in the multi-mode wireless base station controller;
5, crosspoint is with wireless user's handshaking of receiving multi-mode wireless base station processing unit to described another kind of pattern, and this unit passes to described wireless user's signal by wireless channel the wireless user of another another kind of pattern.
The multi-mode wireless base station controller comprises following 2 kinds of situations that receive wireless user's signal:
1, the wire transmission processing unit of multi-mode wireless base station transfers to wire transmission processing unit in the multi-mode wireless base station controller by wired cable with wireless user's signal, and this unit passes to switching treatmenting unit with the wireless user's signal that receives.
2, the multi-mode wireless base station processing unit of multi-mode wireless base station transfers to multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller by wireless channel with wireless user's signal, and this unit passes to switching treatmenting unit with the wireless user's signal that receives.
The switching treatmenting unit of multi-mode wireless base station controller has following 3 kinds of handling processes again to the wireless user's signal that receives:
1, switching treatmenting unit switches 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;
2, switching treatmenting unit switches back 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.
3, switching treatmenting unit switches to the multi-mode wireless subscriber station processing unit of another kind of pattern 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.
In multi-mode wireless system shown in Figure 2, switching treatmenting unit and wire transmission processing unit, A mould wireless processing unit, B mould wireless processing unit etc. interconnect respectively.Before the wire transmission processing unit in the multi-mode wireless base station controller, promptly, all be provided with by-pass switch in the cable port porch that connects each multi-mode wireless base station; A mould wireless subscriber station processing unit in the multi-mode wireless base station controller and B mould wireless subscriber station processing unit inside also are provided with by-pass switch; These by-pass switches are formed the by-pass switch matrix.A kind of wireless processing unit of pattern can be made up of a series of processing module and by-pass switch, as shown in Figure 6, B mould wireless subscriber station processing unit is made up of B mould processing module 1 (for example can be B mould physical layer process module), B mould processing module 2 (for example can be the protocol process module of B mould physical layer with the upper strata) and by-pass switch.
Six kinds of sub-district switch modes are supported in multi-mode wireless system support shown in Figure 2, promptly wired common sub-district switch mode, wired fast cell switch mode, wireless common sub-district switch mode, wireless fast cell switch mode, mixing common sub-district switch mode and mixing fast cell switch mode.
Introduce described six kinds of sub-district switch modes below respectively.
Wired common sub-district switch mode: its schematic diagram as shown in Figure 3, when switch the sub-district, by-pass switch is straight-through, the switch data of multi-mode wireless base station, source is by the wire transmission processing unit of wired cable transmission to the multimode radio base station controller, pass to the switching treatmenting unit in the multi-mode wireless base station controller again, after the switching treatmenting unit hand-off process, this switch data is transmitted to purpose multi-mode wireless base station by the wire transmission processing unit in the multi-mode wireless base station controller through wired cable.
Wired fast cell switch mode: its schematic diagram as shown in Figure 4, when switch the sub-district, the by-pass switch bypass, the switch data of multi-mode wireless base station, source by wired cable transmission to the multimode radio base station controller, the multi-mode wireless base station controller directly is transmitted to purpose multi-mode wireless base station with this switch data by wired cable by being positioned at the by-pass switch of wire transmission processing unit bypass before.
Wireless common sub-district switch mode: its schematic diagram as shown in Figure 5, when switch the sub-district, by-pass switch is straight-through, the switch data of multi-mode wireless base station, source sends to multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller by wireless channel, multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller passes to switching treatmenting unit with described switch data, after the switching treatmenting unit hand-off process, this switch data is transmitted to purpose multi-mode wireless base station by the multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller through wireless channel.。
Wireless fast cell switch mode: its schematic diagram as shown in Figure 6, when switch the sub-district, the by-pass switch bypass, the switch data of multi-mode wireless base station, source sends to multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller by wireless channel, multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller directly is transmitted to purpose multi-mode wireless base station with this switch data through wireless channel by the by-pass switch of its internal bypass
Mix common sub-district switch mode: its schematic diagram as shown in Figure 7, when switch the sub-district, by-pass switch is straight-through, the switch data of one provenance multi-mode wireless base station (source base station 1) sends to multi-mode wireless base station processing unit in the multi-mode wireless base station controller by wireless channel, multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller 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 purpose multi-mode wireless base station by the wire transmission processing unit in the multi-mode wireless base station controller through wired cable.
Or
The switch data of one provenance multi-mode wireless base station (source base station 3) is by wired cable, transfer to the wire transmission processing unit in the described same multi-mode wireless base station controller, wire transmission processing unit in the described multi-mode wireless base station controller 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 purpose multi-mode wireless base station by the multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller through wireless channel.
Mix the fast cell switch mode: its schematic diagram as shown in Figure 8, when switch the sub-district, the by-pass switch bypass, the switch data of one provenance multi-mode wireless base station (source base station 1) sends to multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller by wireless channel, multi-mode wireless subscriber station processing unit in the multi-mode wireless base station controller, by-pass switch and the by-pass switch that is positioned at wire transmission processing unit bypass before by its internal bypass directly are transmitted to purpose multi-mode wireless base station with this switch data through wired cable.
Or
The switch data of one provenance multi-mode wireless base station (source base station 3), by the wire transmission processing unit of wired cable transmission to the described same multi-mode wireless base station controller, the switch data that the multi-mode wireless base station controller will pass over by wired cable, the by-pass switch of the by-pass switch by being positioned at the bypass before the wire transmission processing unit and the internal bypass of multi-mode wireless subscriber station processing unit is transmitted to purpose multi-mode wireless base station with this switch data through wireless channel.
In multi-mode wireless system shown in Figure 2, in actual applications, can be with the B mould mainly as wireless user's access module (for example, 802.16e broadband mobile wireless access module), with the A mould as wireless base station backhaul (being that the wireless base station transfer of data is given the multi-mode wireless base station controller) pattern.Be that most of B mould wireless signal-path band width is distributed to B mould wireless user access, only have fraction B mould wireless signal-path band width can divide the backup that manufactures wireless base station backhaul channel, emergency; And A mould wireless signal-path band width mainly divides and manufactures the wireless base station backhaul, only has fraction A mould wireless signal-path band width to divide to manufacture A mould wireless user to insert.
The contrast situation of 6 kinds of sub-district switch modes recited above is as shown in table 1.Wire message way in the table refers to the wired connection between base station and the multi-mode wireless base station controller.
Table 1: sub-district switch mode contrast table
| Switch mode | Wire message way | A mould channel | B mould channel | Handover delay | Switch data | Remarks |
| Wired quick | Straight-through between the base station | The base station backhaul | The wireless user inserts | Minimum | Big flow | When A mould channel-failures, can switch to wired general mode by switch matrix |
| Wired common | The base station backhaul | Base station backhaul backup or fault | The wireless user inserts | Little | Big flow | When eliminating, A mould channel-failures can switch to wired quick mode by switch matrix |
| Mix fast | Base station 1 wired backhaul fault: base station 2 wire message way are done intercommunication between the base station | The base station backhaul | The wireless user inserts, base station 2B mould channel is done intercommunication between the base station | In | Middle flow | System is wired quick mode before the 1 wired backhaul fault of base station |
| Mix common | Base station 1 wired backhaul fault | The base station backhaul | The wireless user inserts | Greatly | Middle flow | System is wired general mode before the 1 wired backhaul fault of base station |
| Wireless quick | Base station 1 and 2 wired backhaul faults | The base station backhaul | Intercommunication between the base station, wireless user insert | Bigger | Low discharge | System is wired quick mode before base station 1 and the 2 wired backhaul faults |
| Wireless common | Base station 1 and 2 wired backhaul faults | The base station backhaul | The wireless user inserts | Maximum | Low discharge | System is wired general mode before base station 1 and the 2 wired backhaul faults |
In actual applications, can as required multi-mode wireless system shown in Figure 2 be simplified, form various replacement schemes, such as, a kind of schematic diagram of replacement scheme is as shown in Figure 9.
In this replacement scheme, directly link to each other between the multi-mode wireless base station by wired cable, need not link to each other by wired cable between multi-mode wireless base station and the multi-mode wireless base station controller, link to each other with B mould wireless channel and pass through the A mould.This programme is supported wired quick switch mode, wireless quick switch mode, wireless common switch mode.
The schematic diagram of another kind of replacement scheme of the present invention is shown in Fig. 10.In this replacement scheme, B mould wireless processing unit only inserts B mould wireless user, does not use as the wireless base station backhaul.Support wired quick switch mode, wired common switch mode, wireless common switch mode and mix common switch mode.If sub-district switch data and base station backhaul are time-sharing multiplex, and multi-mode wireless base station controller what one is particularly good at knows the time slot at switch data place, sub-district earlier, then also can support wireless quick switch mode.
The schematic diagram of another kind of replacement scheme of the present invention as shown in figure 11.In this replacement scheme, directly directly link to each other between the multi-mode wireless base station by wired cable, need not link to each other by wired cable between multi-mode wireless base station and the multi-mode wireless base station controller, and continuous by A mould wireless channel.Only support wired quick switch mode and wireless common switch mode.If sub-district switch data and base station backhaul are time-sharing multiplex, and multi-mode wireless base station controller what one is particularly good at knows the time slot at switch data place, sub-district earlier, then also can support wireless quick switch mode.
The schematic diagram of another kind of replacement scheme of the present invention as shown in figure 12.In this replacement scheme, need not link to each other by wired cable between multi-mode wireless base station and the multi-mode wireless base station controller, and by A mould wireless channel phase continuous cropping base station backhaul.This scheme is supported wireless common switch mode.If sub-district switch data and base station backhaul are time-sharing multiplex, and multi-mode wireless base station controller what one is particularly good at knows the time slot at switch data place, sub-district earlier, and then this scheme also can be supported wireless quick switch mode.
The schematic diagram of another kind of replacement scheme of the present invention as shown in figure 13.In this replacement scheme, only link to each other between multi-mode wireless base station and the multi-mode wireless base station controller by wired cable, do the base station backhaul.A mould wireless processing unit only inserts A mould wireless user, and B mould wireless processing unit only inserts B mould wireless user.This scheme is supported wired common switch mode.If sub-district switch data and base station backhaul are time-sharing multiplex, and multi-mode wireless base station controller what one is particularly good at knows the time slot at switch data place, sub-district earlier, and then this scheme also can be supported wired quick switch mode.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
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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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100886475A CN100421483C (en) | 2005-07-29 | 2005-07-29 | Multi-mode wireless system |
| PCT/CN2006/001890 WO2007012284A1 (en) | 2005-07-29 | 2006-07-28 | A multi-mode wireless base station and up-level device, multi-mode wireless system, handover method and access method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100886475A CN100421483C (en) | 2005-07-29 | 2005-07-29 | Multi-mode wireless system |
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| CN1867118A CN1867118A (en) | 2006-11-22 |
| CN100421483C true CN100421483C (en) | 2008-09-24 |
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| CN101198150B (en) * | 2006-12-06 | 2012-08-15 | 华为技术有限公司 | Method, device and system for implementing branch path transfer in multi-standard wireless network |
| CN101202974B (en) * | 2006-12-15 | 2011-09-28 | 华为技术有限公司 | System, base station and method for multi-standard base station intercommunication |
| CN101227708A (en) * | 2007-01-19 | 2008-07-23 | 华为技术有限公司 | Apparatus and method of uniform wireless access and wireless network system |
| CN101309442B (en) * | 2007-05-17 | 2011-12-21 | 华为技术有限公司 | Wireless communication apparatus and data transmission method |
| CN101282517A (en) * | 2008-05-08 | 2008-10-08 | 华为技术有限公司 | Multimode base station and communication method |
| US8570891B2 (en) | 2008-09-26 | 2013-10-29 | Nec Corporation | Wireless communication system, control apparatus, communication method switching method, and program |
| CN101938766A (en) * | 2009-06-30 | 2011-01-05 | 中兴通讯股份有限公司 | Configuration management system and method based on double-mode base station and access function device |
| CN102647714A (en) * | 2012-03-23 | 2012-08-22 | 北京三星通信技术研究有限公司 | Method and base station equipment for realizing Femto base station access network |
| EP3353347B1 (en) | 2015-09-23 | 2021-05-05 | Stora Enso Oyj | Printing paper without ink |
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| WO2007012284A8 (en) | 2007-04-05 |
| WO2007012284A1 (en) | 2007-02-01 |
| CN1867118A (en) | 2006-11-22 |
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Effective date of registration: 20211228 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |