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CN1863367A - Multi-mode wireless network communication system - Google Patents

Multi-mode wireless network communication system Download PDF

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Publication number
CN1863367A
CN1863367A CNA2005100936794A CN200510093679A CN1863367A CN 1863367 A CN1863367 A CN 1863367A CN A2005100936794 A CNA2005100936794 A CN A2005100936794A CN 200510093679 A CN200510093679 A CN 200510093679A CN 1863367 A CN1863367 A CN 1863367A
Authority
CN
China
Prior art keywords
base station
unit
end device
wireless
remote
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2005100936794A
Other languages
Chinese (zh)
Other versions
CN100466798C (en
Inventor
郑若滨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CNB2005100936794A priority Critical patent/CN100466798C/en
Priority to AT06775530T priority patent/ATE504175T1/en
Priority to PCT/CN2006/002213 priority patent/WO2007025469A1/en
Priority to EP06775530A priority patent/EP1947873B1/en
Priority to DE602006021047T priority patent/DE602006021047D1/de
Publication of CN1863367A publication Critical patent/CN1863367A/en
Priority to US12/040,513 priority patent/US20080186878A1/en
Application granted granted Critical
Publication of CN100466798C publication Critical patent/CN100466798C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

本发明涉及一种多模无线网络通信系统。该系统包括基于第一种模式的第一无线设备基于第二种模式的第二无线设备，且所述的第二无线设备具体包括近端装置和远端装置，所述的近端装置设置于第一无线设备中，所述的远端装置独立于第一无线设备设置。这样，当第一无线设备为已有模式的无线设备，第二无线设备为新增加模式的无线设备时，可以将第二无线设备的远端装置设置与第一无线设备共址，并共享相应的资源，第二无线设备的远端装置则可以设置于新的模式对应的最优位置。因此，本发明解决了由于无线网络规划差异而导致的原网络中基站与新增网络中基站的选址矛盾问题，通过分布式设备技术和远程供电技术，解决了有效利用资源及维护成本较高的问题。

Figure 200510093679

The invention relates to a multimode wireless network communication system. The system includes a first wireless device based on the first mode and a second wireless device based on the second mode, and the second wireless device specifically includes a near-end device and a remote device, and the near-end device is set at In the first wireless device, the remote device is set independently from the first wireless device. In this way, when the first wireless device is a wireless device in an existing mode and the second wireless device is a wireless device in a newly added mode, the remote device of the second wireless device can be co-located with the first wireless device and share the corresponding resources, the remote device of the second wireless device can be set at the optimal position corresponding to the new mode. Therefore, the present invention solves the problem of the site selection contradiction between the base station in the original network and the base station in the newly added network caused by the difference in wireless network planning, and solves the problems of effective resource utilization and high maintenance cost through distributed equipment technology and remote power supply technology. The problem.

Figure 200510093679

Description

Multimode wireless network communication system
Technical Field
The present invention relates to wireless network communication technologies, and in particular, to a multimode wireless network communication system.
Background
In a wireless communication system, in order to effectively cover a region by using a radio access technology, a wireless network needs to be planned and optimized according to factors such as a geographical environment of the region and a radio channel propagation environment, so as to determine an optimal construction position of a corresponding radio base station.
For example, the result of the base station location in the GSM (global system for mobile communications) wireless cellular network is shown in fig. 1, and the result of the base station location in the WiMAX (worldwide interoperability for microwave access) wireless cellular network is shown in fig. 2, so that it can be seen that the result of the base station location in different wireless networks is different.
Suppose that two wireless cellular networks need to be built: one is a GSM wireless cellular network and is optimized according to a network planning method of the GSM wireless cellular network; and the other one is a WiMAX wireless cellular network, and is optimized according to a network planning method of the WiMAX wireless cellular network. A specific planned network is shown in fig. 3.
Assume that operator a first utilizes a mode a (e.g., GSM) radio access technology to build a mode a cellular radio network covering a geographic area. After that, operator a wishes to directly upgrade an original a-mode wireless device (for example, add a B-mode wireless base station access card in an original a-mode base station) to a multi-mode wireless integrated access device, and in the same area, not only supports an original a-mode wireless access user, but also introduces a new B-mode wireless access user, and superimposes another B-mode (for example, WiMAX) wireless cellular network on the original a-mode wireless cellular network.
However, as mentioned above, due to the difference in the cellular network planning of different modes, the problem of contradiction between the location selection of the original a-mode wireless device and the location selection of the new B-mode wireless base station is inevitably caused, and as shown in fig. 3, the difference between the optimal locations of the original a-mode wireless device and the new B-mode wireless base station may reach several kilometers. The upgraded multimode wireless integrated access equipment is positioned at the original position according to the A-mode wireless network planning method or is re-positioned according to the B-mode wireless network planning method, which becomes a problem. If the site is selected according to the A-mode wireless network planning method, the site is optimal for the A-mode wireless cellular network, and is not optimal for the B-mode wireless cellular network; if the site is selected according to the B-mode wireless network planning method, although the site is optimal for the B-mode wireless cellular network, the site is not optimal for the B-mode wireless cellular network, and a new machine room is constructed by renting land again.
As a result, a B-mode wireless base station is typically not directly upgradeable by a-mode wireless devices. Thus, the B-mode radio base station needs to be re-addressed and re-established.
Because the base station of the B-mode wireless cellular network and the A-mode wireless cellular network equipment both need alternating current power supply, a storage battery pack, a UPS, a generator set or a second path of commercial power is needed to be used as a power supply backup. In addition, land needs to be rented, and machine rooms are built respectively. Therefore, if the cable resources of the B-mode wireless cellular network and the a-mode wireless cellular network cannot be fully shared and utilized, the base station of the B-mode wireless cellular network and the a-mode wireless cellular network device cannot be maintained in a unified manner, which greatly increases the maintenance and construction costs.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a multi-mode wireless network communication system, so that newly added wireless base stations of different modes can fully utilize the existing network resources, thereby reducing the maintenance and construction costs of network extension.
The purpose of the invention is realized by the following technical scheme:
the invention provides a multimode wireless network communication system, which comprises first wireless equipment based on a first mode and second wireless equipment based on a second mode, wherein the second wireless equipment specifically comprises a near-end device and a far-end device, the near-end device is arranged in the first wireless equipment, and the far-end device is independent of the first wireless equipment.
The far-end device is connected with the near-end device in a pulling way through a wired cable.
In the system of the invention:
the near-end device comprises a power supply unit and a base station access processing unit, and the far-end device comprises a base station outdoor unit;
or,
the near-end device comprises a power supply unit, and the far-end device comprises a base station outdoor unit and a base station access processing unit.
The power supply unit comprises a central power supply unit and a power supply backup unit.
The remote device further comprises:
the far-end power supply unit is connected with the power supply unit in the near-end device through a wired cable, obtains electric energy from the power supply unit in the near-end device and is used for supplying power to the far-end device;
or,
the base station outdoor unit is directly connected with the base station outdoor unit through a wired cable to supply power to the base station outdoor unit;
or the power supply unit is connected with the far-end power supply unit of the next-stage far-end device through a wired cable to supply power to the next-stage far-end device.
In the system of the invention:
the central power supply unit is arranged in the first wireless equipment, supplies power to the first wireless equipment, is connected with the remote power supply unit through a wired cable, supplies power to the remote device, and/or is directly connected with the base station outdoor unit through the wired cable, and supplies power to the base station outdoor unit;
the power supply backup unit is arranged in the first wireless equipment and used as a backup power supply of the central power supply unit.
The near-end device and/or the far-end device further comprise a convergence unit, and:
the convergence unit is arranged in a near-end device, converges wireless signals received by a base station outdoor unit of the far-end device, accesses the wireless signals to a base station access processing unit in the near-end device, and sends signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the far-end device;
or,
the convergence unit is arranged in the far-end device, is connected with a base station access processing unit of the near-end device in a pulling way through a wired cable and is connected with a base station outdoor unit in the far-end device in a pulling way; the system comprises a base station access processing unit, a base station outdoor unit, a base station access processing unit and a base station outdoor unit, wherein the base station outdoor unit is used for receiving wireless access signals from the base station outdoor unit in a plurality of remote devices, converging the wireless access signals and then sending the wireless access signals to the base station access processing unit in a near-end device, and sending signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the;
or,
the convergence unit is arranged in the remote device, is connected with a base station access processing unit of the remote device through a wired cable, and is connected with a base station outdoor unit in the remote device in a remote way; the remote device is used for gathering wireless access signals received by base station outdoor units in a plurality of remote devices and then sending the gathered wireless access signals to a base station access processing unit in the remote devices, and sending signals generated by the base station access processing unit in the remote devices to the base station outdoor unit in the remote devices.
In the system of the invention:
the base station access processing unit sequentially comprises: the wireless access management module, the wireless data link upper layer processing module, the wireless data link layer processing module, the baseband processing module, the intermediate frequency processing module and the radio frequency post-processing module;
the outdoor unit sequentially comprises: the antenna and radio frequency pre-processing module, the radio frequency post-processing module, the intermediate frequency processing module, the baseband processing module, the wireless data link layer processing module and at least one of the wireless data link upper layer processing modules.
When the base station access processing units are multiple, the base station access processing units are connected and communicated with the base station outdoor unit through the exchange convergence unit, and the base station access processing units are mutually backed up based on the exchange convergence unit.
In the system of the invention:
the exchange aggregation unit is arranged in a near-end device or a far-end device, aggregates wireless signals received by a base station outdoor unit of the far-end device, then selects to access one base station access processing unit in the near-end device or the far-end device, and sends signals generated by the base station access processing unit in the near-end device or the far-end device to the base station outdoor unit in the far-end device;
or,
the exchange aggregation units are respectively arranged in the near-end device and the far-end device, a first exchange aggregation unit arranged in the near-end device is connected with a second exchange aggregation unit arranged in the far-end device in a remote manner, and the second exchange aggregation unit is connected with the base station outdoor unit in a remote manner; the second exchange aggregation unit is used for aggregating wireless access signals received by the base station outdoor units of the plurality of far-end devices and then sending the aggregated wireless access signals to the first exchange aggregation unit, the first exchange aggregation unit selects one base station access processing unit accessed to the near-end device, the first exchange aggregation unit also sends signals generated by each base station access processing unit in the near-end device to the second exchange aggregation unit, and the second exchange aggregation unit selects one base station outdoor unit accessed to the far-end device.
And when the number of the base station outdoor units is multiple, the multiple base station outdoor units are set to at least one multi-antenna transmitting diversity or multi-antenna receiving diversity.
In the system of the present invention, when there are a plurality of remote devices, the remote devices are interconnected by using a star-shaped, ring-shaped or mesh structure.
When each remote device comprises a remote power supply unit, the remote power supply units are connected in a star, ring or shared bus mode.
The remote power supply units are also arranged for backup connection, and when the remote power supply unit of any base station outdoor unit fails, the other normal remote power supply unit is switched to supply power to the base station outdoor unit.
The technical scheme provided by the invention can be seen that the system adopts a distributed device technology, the local communication device in the newly-added network is arranged in the communication device of the basic network, and the service function in the newly-added network is realized by information interaction with the remote communication device, so that the problem of contradiction between the site selection of the A-mode wireless device in the original network and the site selection of the base station in the newly-added network caused by the difference of multi-mode wireless network planning in the prior art can be solved.
In addition, the power supply unit of the basic network is utilized to supply power to the equipment in the basic network and the newly added network simultaneously through the remote power supply technology, so that the problems that the resources cannot be effectively utilized and the maintenance cost is high in the prior art can be solved.
Drawings
FIG. 1 is a schematic diagram of a GSM wireless network planning base station site selection;
FIG. 2 is a schematic diagram of site selection of a WiMAX wireless network planning base station;
FIG. 3 is a diagram illustrating the contradictory problems of base station location of FIGS. 1 and 2;
FIG. 4 is a schematic diagram of a base station;
fig. 5 is a schematic view of a star structure of a multimode wireless integrated access system 1;
fig. 6 is a schematic view of a star structure of a multimode wireless integrated access system 2;
fig. 7 is a schematic diagram of a star structure of a multimode wireless integrated access system 3;
fig. 8 is a schematic view of a star structure of a multimode wireless integrated access system 4;
fig. 9 is a schematic view of a star structure of a multimode wireless integrated access system 5;
fig. 10 is a schematic diagram 1 of a tree structure of a multimode wireless integrated access system;
fig. 11 is a schematic diagram of a tree structure of a multimode wireless integrated access system 2;
fig. 12 is a schematic diagram 3 of a tree structure of a multimode wireless integrated access system;
fig. 13 is a schematic diagram 4 of a tree structure of a multimode wireless integrated access system;
fig. 14 is a schematic diagram 5 of a tree structure of a multimode wireless integrated access system;
fig. 15 is a schematic ring structure diagram 1 of a multimode wireless integrated access system;
fig. 16 is a schematic ring structure diagram of a multimode wireless integrated access system 2;
fig. 17 is a schematic ring structure diagram 3 of a multimode wireless integrated access system;
fig. 18 is a schematic diagram of a mesh structure of a multi-mode wireless integrated access system 1;
fig. 19 is a schematic diagram of a mesh structure of a multi-mode wireless integrated access system 2.
Detailed Description
The invention aims to provide a multimode wireless integrated access distributed system, which can solve the problem of contradiction between site selection of original A-mode wireless equipment and newly-added B-mode base stations caused by the difference of multimode wireless network planning in the prior art. And the existing resources can be effectively utilized, and the station building and maintenance cost is reduced.
The system of the invention mainly splits the newly added wireless equipment in the new mode into a near-end device and a far-end device, wherein the near-end device is placed in the existing wireless equipment, namely, the near-end device is arranged in the same address with the existing wireless equipment, the existing resources are utilized, for the far-end device, the optimal position can be selected according to the network planning in the new mode, and then, the far-end device is arranged on the corresponding optimal position, thereby ensuring the good communication effect of the network in the new mode.
The newly added wireless device is mainly a base station device, and the structure of the corresponding base station device is shown in fig. 4, and mainly includes: the base station equipment comprises an antenna and radio frequency pre-processing module, a radio frequency post-processing module, an intermediate frequency processing module, a baseband processing module, a wireless data link layer processing module and a wireless data link upper layer processing module, and meanwhile, the base station equipment also needs a corresponding power supply unit to supply power for the base station equipment.
Based on the structure of the base station equipment shown in fig. 4, in the system of the present invention, the near-end device part at least includes a power supply unit, and at the same time, may further include a base station access processing unit, where the base station access processing unit includes a processing module above a wireless data link, or includes a processing module above a wireless data link and a processing module above a wireless data link layer, or includes a processing module above a wireless data link, a processing module above a wireless data link layer and a baseband processing module, or includes a processing module above a wireless data link, a processing module above a wireless data link layer, a processing module above a baseband processing module and an intermediate frequency processing module, or includes a processing module above a wireless data link, a processing module above a wireless data link layer, a processing module above a baseband processing module, an intermediate frequency processing module and a radio frequency post-.
The remote device, i.e., the base station remote device, includes a base station outdoor unit, which includes at least an antenna and a radio frequency preprocessing module, and other processing modules except the processing module divided to the near device in fig. 4. For example, when the proximal device comprises: the power supply unit, the wireless data link upper layer processing module, the wireless data link layer processing module and the baseband processing module, and the remote device comprises: the system comprises an intermediate frequency processing module, a radio frequency post-processing module, an antenna and a radio frequency pre-processing module.
In the present invention, the power supply unit is specifically a central power supply unit, which is used to convert a commercial power input (e.g. 110V/220V ac) or a dc power input (e.g. -48V/-60V dc) into a high-voltage dc power output (e.g. 270V dc), so as to supply power to local wireless devices and near-end devices on the one hand, and to supply power to a remote base station outdoor unit through a wired cable (e.g. twisted pair). The distance of remote power supply is related to the wire diameter of the wired cable, the number of wire pairs, the power consumption of the base station outdoor unit and the output voltage of the power supply unit, and the distance of remote power supply of 2-5 kilometers can be usually achieved.
The central power supply unit also supports mutual communication with the base station outdoor unit, and is used as an out-of-band management channel for the base station outdoor unit, so that monitoring and alarming during normal and fault conditions can be realized, equipment management and fault positioning are facilitated, remote maintenance is facilitated, and the like.
In addition, in the present invention, the remote device may further include a remote power supply unit, where the remote power supply unit is configured to convert a high-voltage dc input (for example, 270V dc) from the central power supply unit into a low-voltage dc to locally supply power to the device where the remote power supply unit is located; the high-voltage direct current from the central power supply unit can be transmitted continuously and remotely supplied to the outdoor unit of the next-stage far-end base station through a wired cable.
The remote power supply unit also supports mutual communication with the base station outdoor unit, and is used as an out-of-band management channel for the base station outdoor unit, so that monitoring and alarming during normal and fault conditions can be realized, equipment management and fault positioning are facilitated, remote maintenance is facilitated, and the like.
The system of the invention also comprises a convergence unit which is used for converging the wireless access signals received by the plurality of base station outdoor units and then transmitting the converged signals to the base station access processing unit, distributing the signals generated by the base station access processing unit to the plurality of base station outdoor units and transmitting the signals to the wireless access users through the antenna.
The convergence unit may be disposed in the distal device or the proximal device, and each will be described below.
(1) The convergence unit is arranged in a near-end device, converges wireless signals received by a base station outdoor unit of the far-end device, accesses the wireless signals to a base station access processing unit in the near-end device, and sends signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the far-end device;
(2) the convergence unit is arranged in the far-end device, but the base station access processing unit is arranged in the near-end device: the convergence unit is connected with a base station access processing unit of the near-end device in a remote manner through a wired cable and is connected with a base station outdoor unit in the far-end device in a remote manner; the system comprises a base station access processing unit, a base station outdoor unit, a base station access processing unit and a base station outdoor unit, wherein the base station outdoor unit is used for receiving wireless access signals from the base station outdoor unit in a plurality of remote devices, converging the wireless access signals and then sending the wireless access signals to the base station access processing unit in a near-end device, and sending signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the;
(3) the convergence unit is arranged in the remote device, and the base station access unit is also arranged in the remote device: the convergence unit is connected with a base station access processing unit of a remote device through a wired cable and is connected with a base station outdoor unit in the remote device in a remote mode; the remote device is used for gathering wireless access signals received by base station outdoor units in a plurality of remote devices and then sending the gathered wireless access signals to a base station access processing unit in the remote devices, and sending signals generated by the base station access processing unit in the remote devices to the base station outdoor unit in the remote devices.
In the system of the invention, when the base station access processing units are multiple, the base station access processing units are connected and communicated with the base station outdoor unit through the exchange convergence unit, and the base station access processing units are mutually backed up based on the exchange convergence unit. The exchange aggregation unit is arranged in a near-end device or a far-end device, aggregates wireless signals received by a base station outdoor unit of the far-end device, then selects to access one base station access processing unit in the near-end device or the far-end device, and sends signals generated by the base station access processing unit in the near-end device or the far-end device to the base station outdoor unit in the far-end device.
In the system, the exchange convergence units are respectively arranged in the near-end device and the far-end device, a first exchange convergence unit arranged in the near-end device is connected with a second exchange convergence unit arranged in the far-end device in a pulling way, and the second exchange convergence unit is also connected with the base station outdoor unit in a pulling way; the second exchange aggregation unit is used for aggregating wireless access signals received by the base station outdoor units of the plurality of far-end devices and then sending the aggregated wireless access signals to the first exchange aggregation unit, the first exchange aggregation unit selects one base station access processing unit accessed to the near-end device, the first exchange aggregation unit also sends signals generated by each base station access processing unit in the near-end device to the second exchange aggregation unit, and the second exchange aggregation unit selects one base station outdoor unit accessed to the far-end device.
The following description will explain a specific implementation of the present invention with reference to the accompanying drawings. In the following embodiments, a mode a wireless cellular network is used as a base network, a mode B wireless cellular network is used as a new network, a mode a wireless cellular network device arranged in the base network is regarded as a local communication device, and the other mode B wireless cellular network devices are regarded as remote communication devices.
The first embodiment of the present invention is shown in fig. 5:
the wireless communication system comprises local A-mode wireless equipment, B-mode far-end base station equipment, a convergence unit, a B-mode base station access processing unit, a central power supply unit, a far-end power supply unit and a power backup unit, wherein the local A-mode wireless equipment comprises the original wireless equipment of an A-mode wireless cellular network. The B-mode remote base station equipment specifically comprises a B-mode base station outdoor unit or equipment integrating the B-mode base station outdoor unit and a remote power supply unit,
in this embodiment, the B-mode base station access processing unit and the convergence unit are arranged in a local a-mode wireless cellular network device, and the local a-mode wireless device plans and optimizes address selection according to an a-mode wireless network; the B-mode base station outdoor unit is arranged at a far end, optimizes and selects a site according to B-mode wireless network planning, and is connected with local A-mode wireless equipment in a star-shaped remote manner through wired cables such as optical fibers or twisted pairs.
The outdoor units of the B-mode base stations can also be remotely connected through wired cables, and a plurality of the B-mode base station outdoor units can form multi-antenna transmitting diversity or multi-antenna receiving diversity. For example, the B-mode base station outdoor unit 2 and the B-mode base station outdoor unit 3 in fig. 5 are connected in series, and may form dual-antenna transmit diversity or dual-antenna receive diversity.
In fig. 5, the central power supply unit is disposed in the local a-mode wireless cellular network, and supplies power to the B-mode base station access processing unit 1 and supplies power to the B-mode base station outdoor unit 1. The remote power supply unit 2 is connected with the central power supply unit through a wired cable to supply power to the B-mode base station outdoor unit 2, and is connected with the next-stage remote power supply unit 3 through a wired cable to supply power to the next-stage B-mode base station outdoor unit 3.
The remote power supply units are logically separate from, but physically separate from or integrated with, the corresponding mode B base station outdoor units, such as mode B remote base station apparatuses B2 and B3.
In fig. 5, the local a-mode wireless device and the B-mode remote base station device are physically separated or collinear, although the signal lines and power lines are logically separate, wired cables that are pulled apart. The central power supply unit and the B-mode base station outdoor unit or the remote power supply units may be connected in a star connection, a ring connection or a shared bus, for example, fig. 5 shows a star connection, and the remote power supply units may also be connected in a star connection, a ring connection or a shared bus.
The mode B base station outdoor unit and the mode B base station access processing unit together complete radio access processing, for example, the mode B base station outdoor unit may include radio frequency, intermediate frequency processing and an antenna, and the base station access processing unit completes baseband processing and radio data link layer processing.
The convergence unit converges wireless access signals received by the plurality of B-mode base station outdoor units and transmits the converged wireless access signals to the B-mode base station access processing unit, and the signals generated by the B-mode base station access processing unit are distributed to the plurality of B-mode base station outdoor units and transmitted to a B-mode wireless access user through an antenna.
The central power supply unit converts commercial power input or direct current input into high-voltage direct current output, and supplies power to the remote B-mode base station outdoor unit through a wired cable. The central power supply unit also supports mutual communication with the B-mode base station outdoor unit, and is used as an out-of-band management channel for the B-mode base station outdoor unit, so that monitoring and alarming during normal and fault conditions can be realized, equipment management and fault positioning are facilitated, remote maintenance is facilitated, and the like.
In order to ensure the reliability of power supply, a corresponding power supply backup unit is also needed to be arranged for the central power supply unit for backup of the power supply, and the power supply backup unit can be a storage battery pack, a UPS, a generator set or a second path of commercial power.
The present invention provides a second embodiment as shown in fig. 6:
the system shown in fig. 6 differs from the system shown in fig. 5 in that: the aggregation unit in fig. 5 is replaced with the switching aggregation unit in fig. 6, and a mode a wireless device introduces a plurality of mode B base station access processing units. Through the exchange convergence unit, 1+1 and N +1 backups can be made between B-mode base station access processing units and between B-mode base station outdoor units of A-mode wireless equipment or by using a redundancy method of a resource pool, so that the reliability of B-mode wireless network communication is further improved.
The present invention provides a third embodiment as shown in fig. 7:
the system shown in fig. 7 differs from the system shown in fig. 5 in that: the convergence unit of the mode a wireless device of fig. 5 is placed in the remote unit of fig. 7. The far-end device comprises a convergence unit and a far-end power supply unit, wherein the convergence unit and the far-end power supply unit can be a simple switch with remote power supply, and the connection between the A-mode wireless equipment and the B-mode base station outdoor unit is saved through the switch.
The A-mode wireless equipment optimizes and selects the site according to an A-mode wireless network planning method, and the B-mode base station outdoor unit optimizes and selects the site according to a B-mode wireless network planning method. The outdoor unit of the B-mode base station is converged by the convergence unit and is connected with the A-mode wireless equipment in a remote mode through a wired cable. The central power supply unit of the A-mode wireless equipment draws far direct current power supply (for example, 2-5 kilometers) to the remote equipment of the B-mode base station, and the remote power supply is similar to that of the mode 5; the remote power supply unit connected with the central power supply unit supplies power to the B-mode base station outdoor unit or the combination equipment of the B-mode base station outdoor unit and the remote power supply unit by direct current, and specifically can supply power by pulling far, for example, 100-200 meters.
The present invention provides a fourth embodiment as shown in FIG. 8:
the system shown in fig. 8 differs from the system shown in fig. 7 in that: the convergence unit of fig. 7 is replaced with the first and second switching convergence units of fig. 8, and the a-mode wireless device is connected to the remote device with multiple pairs of signal or data lines. Through the exchange aggregation unit, signals or data lines between B mode base stations of the A mode wireless equipment and the B mode base station access processing unit, between B mode base station outdoor units, and between the A mode wireless equipment and the second exchange aggregation unit can be backed up by 1+1 and N +1 or by a redundancy method of a resource pool, so that the reliability of the communication of the B mode wireless network is determined.
The fifth embodiment of the present invention is shown in fig. 9:
the system shown in fig. 9 differs from the system shown in fig. 7 in that: the mode B base station access processing unit of the mode a wireless device of fig. 7 is also incorporated into the remote unit of fig. 9. A B-mode base station access processing unit, an exchange convergence unit and a remote power supply unit in a remote device form integrated equipment which is independent of a base station outdoor unit.
The sixth embodiment of the present invention is shown in fig. 10:
the system shown in fig. 10 differs from the system shown in fig. 9 in that: the convergence unit in fig. 9 is replaced by the switching convergence unit in fig. 10, and a plurality of pairs of signal or data lines are used for connecting the B-mode base station access processing unit and the B-mode base station outdoor unit. Through the exchange convergence unit, the mode B base station can be accessed between the processing units and the mode B base station outdoor units to perform 1+1 and N +1 backup or backup by using a redundancy method of a resource pool.
The seventh embodiment of the present invention is shown in fig. 11:
the system shown in fig. 11 differs from the system shown in fig. 5 in that: the mode a wireless device of the system of fig. 11 and the remote device of the mode B base station are connected by tree-shaped remote connection. For example, in fig. 11, the B-mode base station outdoor unit 1 and the B-mode base station outdoor unit 2a share the same wired cable for frequency division multiplexing or time division multiplexing to be connected to the a-mode wireless device, and the B-mode base station outdoor unit 2B is another branch pulled out from the B-mode base station outdoor unit 2a to form a weight pull-out connection.
A wired cable extending between a local mode a wireless device and a mode B remote base station device, wherein the corresponding signal line is logically separate from the power line but may be physically separate or co-linear.
The central power supply unit and the outdoor unit of the B-mode base station or the remote power supply units in fig. 11 may be connected in a star connection, a ring connection or a shared bus, and the remote power supply units may also be connected in a star connection, a ring connection or a shared bus.
The eighth embodiment of the present invention is shown in fig. 12:
the system shown in fig. 12 differs from the system shown in fig. 11 in that: the system shown in fig. 12 introduces a plurality of B-mode base station access processing units, and a mode a wireless device and a remote device of the B-mode base station are connected by a plurality of pairs of signal or data line trees. Through the exchange convergence unit, the mode B base station of the mode A wireless equipment can be accessed between the processing units and the mode B base station outdoor units for 1+1 and N +1 backup or backup by using a redundancy method of a resource pool.
Like the system shown in fig. 11, the central power supply unit and the outdoor unit of the B-mode base station or the remote power supply units may be connected in a star connection, a ring connection or a shared bus, and the remote power supply units may also be connected in a star connection, a ring connection or a shared bus.
In fig. 12, the remote power supply units may also supply power to each other at the same or different branches. For example, in the same branch of fig. 12, the remote power supply units 1a and 1b perform power supply mutual-assistance, and when the wired cable connection between the central power supply unit and the remote power supply unit 1a fails, the remote power supply unit 1a can perform remote power supply through the remote power supply unit 1 b; when the wired cable connection between the central power supply unit and the remote power supply unit 1b fails, the remote power supply unit 1b can perform remote power supply through the remote power supply unit 1 a.
Moreover, on the same branch or different weights, multiple B-mode base station outdoor units can form multi-antenna transmission diversity or multi-antenna receiving diversity. For example, in fig. 12, mode B base station outdoor units 1a and 1B may constitute dual antenna transmit diversity or dual antenna receive diversity; or the B-mode base station outdoor units 1a and 2a can also form dual-antenna transmit diversity or dual-antenna receive diversity; or the B-mode base station outdoor units 1a, 1B, 2a, and 2B may constitute four-antenna transmit diversity or four-antenna receive diversity.
The ninth embodiment of the present invention is shown in fig. 13:
the system shown in fig. 13 differs from the system shown in fig. 12 in that: in fig. 12, the switching convergence unit of the a-mode wireless device is placed in the B-mode base station remote device of fig. 13 as a part of the base station remote device.
The tenth embodiment of the present invention is shown in fig. 14:
the system shown in fig. 14 differs from the system shown in fig. 12 in that: the mode B base station access processing unit of the mode a wireless device of fig. 12 is also incorporated in the mode B base station remote device of fig. 14 as part of the base station remote device.
An eleventh embodiment of the present invention is shown in fig. 15:
the system shown in fig. 15 differs from the system shown in fig. 12 in that: fig. 15 shows that the system A mode wireless device and the B mode base station remote device adopt ring connection. For example, when a wireless signal or a data cable between the B-mode base station outdoor unit 1a and the a-mode wireless device is failed, the B-mode base station outdoor unit 1a can be connected to the a-mode wireless device through the wireless signal or the data cable between the B-mode base station outdoor unit 2B and the a-mode wireless device, thereby improving reliability of communication.
In fig. 15, the central power supply unit and the outdoor unit of the B-mode base station or the remote power supply units may be connected in a star connection, a ring connection or a shared bus, and the remote power supply units may also be connected in a star connection, a ring connection or a shared bus.
The remote power supply units can also supply power to each other. Multiple B-mode base station outdoor units can form multi-antenna transmitting diversity or multi-antenna receiving diversity. For example, in fig. 15, the B-mode base station outdoor units 1a and 1B may constitute dual antenna transmit diversity or dual antenna receive diversity; or the B-mode base station outdoor units 1a and 2a can also form dual-antenna transmit diversity or dual-antenna receive diversity; or the B-mode base station outdoor units 1a, 1B, 2a, and 2B may constitute four-antenna transmit diversity or four-antenna receive diversity.
The twelfth embodiment of the present invention is shown in fig. 16:
the system shown in fig. 16 differs from the system shown in fig. 15 in that: the switching convergence unit of the mode a wireless device in the system shown in fig. 15 is incorporated into the mode B base station remote device of fig. 16 as part of the mode B base station remote device.
The thirteenth embodiment of the present invention is shown in FIG. 17:
the system shown in fig. 17 differs from the system shown in fig. 15 in that: the mode B base station access processing unit of the mode a wireless device in the system shown in fig. 15 is also incorporated in the mode B base station remote device of fig. 17 as part of the mode B base station remote device.
The fourteenth embodiment of the present invention is shown in fig. 18:
the system shown in fig. 18 differs from the system shown in fig. 12 in that: the system shown in fig. 18 employs mesh connection between remote devices of mode B base stations. For example, the remote devices B1a and B1B, B1B and B1c, B1c and B1d, and B1d and B1a of the B-mode base station may be interconnected two by two, and B1a and B1c, and B1B and B1d may be interconnected two by two. When a wireless signal or a data cable between the B-mode base station outdoor unit 1B and the B-mode base station remote device B1a fails, the B-mode base station outdoor unit 1B may be connected to the switching convergence unit 1a of the B-mode base station remote device B1a through the B-mode base station outdoor unit 1c and/or 1d, and then connected to the a-mode wireless device through the switching convergence unit 1a of the B-mode base station remote device B1 a.
The central power supply unit and the B-mode base station outdoor unit or the remote power supply units can be connected in a star connection, a ring connection or a shared bus mode, and the remote power supply units can be connected in a star connection, a ring connection or a shared bus mode.
The remote power supply units can also supply power to each other. Multiple B-mode base station outdoor units can form multi-antenna transmitting diversity or multi-antenna receiving diversity. For example, in fig. 18, the B-mode base station outdoor units 1a, 1B, 1c, and 1d may constitute four-antenna transmit diversity or four-antenna receive diversity.
The fifteenth embodiment provided by the present invention is shown in fig. 19:
the system shown in fig. 19 differs from the system shown in fig. 18 in that: in the system shown in fig. 19, a plurality of B-mode base station access processing units are introduced, and a plurality of pairs of signal or data networks are used for the a-mode wireless device and the B-mode base station remote device to be connected in a mesh manner. Through the exchange convergence unit of the A-mode wireless equipment, 1+1 backup or N +1 backup can be carried out between B-mode base stations of the A-mode wireless equipment and between B-mode base station outdoor units or by using a redundancy method of a resource pool. For example, when a wireless signal or a data cable between the mode B base station remote device B1a and the mode a wireless device fails, the mode B base station remote devices B1a, B1B, B1c, and B1d may be connected to the mode a wireless device through the mode B base station remote device B2c and through the mode B base station remote device B2 a.
Multiple B-mode base station outdoor units can form multi-antenna transmitting diversity or multi-antenna receiving diversity. For example, in fig. 19, the B-mode base station outdoor units 1a, 1B, 1c, and 1d may constitute four-antenna transmit diversity or four-antenna receive diversity; the B-mode base station outdoor units 2a, 2B, 2c, and 2d may constitute another set of four-antenna transmit diversity or four-antenna receive diversity.
In summary, the present invention solves the problem of contradiction in the planning of the multimode wireless network by the distributed base station technology and the remote power supply technology. The operator A can select the site for the A mode wireless equipment according to the A mode wireless network planning method and construct the A mode wireless cellular network. And then according to the market demand for wireless access, site selection is carried out on the B-mode base station outdoor unit according to a B-mode wireless network planning method, and the B-mode base station access processing unit, the convergence unit, the remote power supply unit and the B-mode base station outdoor unit are added to be interconnected through upgrading of A-mode wireless equipment to form a complete structure of the multi-mode wireless integrated access equipment, so that unified construction of multi-mode wireless cellular networks in the same region is completed, and the multi-mode wireless network planning can be guaranteed to be optimal.
And moreover, the remote equipment of the B-mode base station does not need to be independently provided with alternating current power supply, and a storage battery pack, a UPS (uninterrupted power supply), a generator set or a second path of commercial power is not needed to be used as a power supply backup. Therefore, the construction and maintenance cost of the B-mode base station is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (14)

1. A multimode wireless network communication system comprises a first wireless device based on a first mode and a second wireless device based on a second mode, and is characterized in that the second wireless device specifically comprises a near-end device and a far-end device, the near-end device is arranged in the first wireless device, and the far-end device is arranged independently of the first wireless device.
2. The multimode wireless network communication system of claim 1, wherein said remote device is remotely connected to said near device by a wired cable.
3. A multimode wireless network communication system according to claim 1 or 2, characterized in that:
the near-end device comprises a power supply unit and a base station access processing unit, and the far-end device comprises a base station outdoor unit;
or,
the near-end device comprises a power supply unit, and the far-end device comprises a base station outdoor unit and a base station access processing unit.
4. The multimode wireless network communication system of claim 3, wherein said power supply unit comprises a central power supply unit and a power backup unit.
5. The multimode wireless network communication system of claim 3, wherein said remote device further comprises:
the far-end power supply unit is connected with the power supply unit in the near-end device through a wired cable, obtains electric energy from the power supply unit in the near-end device and is used for supplying power to the far-end device;
or,
the base station outdoor unit is directly connected with the base station outdoor unit through a wired cable to supply power to the base station outdoor unit;
or the power supply unit is connected with the far-end power supply unit of the next-stage far-end device through a wired cable to supply power to the next-stage far-end device.
6. The multi-mode wireless network communication system of claim 4, wherein:
the central power supply unit is arranged in the first wireless equipment, supplies power to the first wireless equipment, is connected with the remote power supply unit through a wired cable, supplies power to the remote device, and/or is directly connected with the base station outdoor unit through the wired cable, and supplies power to the base station outdoor unit;
the power supply backup unit is arranged in the first wireless equipment and used as a backup power supply of the central power supply unit.
7. A multimode wireless network communication system according to claim 3, wherein said near end device and/or far end device further comprises a convergence unit, and:
the convergence unit is arranged in a near-end device, converges wireless signals received by a base station outdoor unit of the far-end device, accesses the wireless signals to a base station access processing unit in the near-end device, and sends signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the far-end device;
or,
the convergence unit is arranged in the far-end device, is connected with a base station access processing unit of the near-end device in a pulling way through a wired cable and is connected with a base station outdoor unit in the far-end device in a pulling way; the system comprises a base station access processing unit, a base station outdoor unit, a base station access processing unit and a base station outdoor unit, wherein the base station outdoor unit is used for receiving wireless access signals from the base station outdoor unit in a plurality of remote devices, converging the wireless access signals and then sending the wireless access signals to the base station access processing unit in a near-end device, and sending signals generated by the base station access processing unit in the near-end device to the base station outdoor unit in the;
or,
the convergence unit is arranged in the remote device, is connected with a base station access processing unit of the remote device through a wired cable, and is connected with a base station outdoor unit in the remote device in a remote way; the remote device is used for gathering wireless access signals received by base station outdoor units in a plurality of remote devices and then sending the gathered wireless access signals to a base station access processing unit in the remote devices, and sending signals generated by the base station access processing unit in the remote devices to the base station outdoor unit in the remote devices.
8. The multi-mode wireless network communication system of claim 3, wherein:
the base station access processing unit sequentially comprises: the wireless access management module, the wireless data link upper layer processing module, the wireless data link layer processing module, the baseband processing module, the intermediate frequency processing module and the radio frequency post-processing module;
the outdoor unit sequentially comprises: the antenna and radio frequency pre-processing module, the radio frequency post-processing module, the intermediate frequency processing module, the baseband processing module, the wireless data link layer processing module and at least one of the wireless data link upper layer processing modules.
9. The system of claim 3, wherein if there are multiple base station access processing units, each base station access processing unit is connected to and communicates with a base station outdoor unit through an exchange convergence unit, and the base station access processing units backup each other based on the exchange convergence unit.
10. The multi-mode wireless network communication system of claim 3, wherein:
the exchange aggregation unit is arranged in a near-end device or a far-end device, aggregates wireless signals received by a base station outdoor unit of the far-end device, then selects to access one base station access processing unit in the near-end device or the far-end device, and sends signals generated by the base station access processing unit in the near-end device or the far-end device to the base station outdoor unit in the far-end device;
or,
the exchange aggregation units are respectively arranged in the near-end device and the far-end device, a first exchange aggregation unit arranged in the near-end device is connected with a second exchange aggregation unit arranged in the far-end device in a remote manner, and the second exchange aggregation unit is connected with the base station outdoor unit in a remote manner; the second exchange aggregation unit is used for aggregating wireless access signals received by the base station outdoor units of the plurality of far-end devices and then sending the aggregated wireless access signals to the first exchange aggregation unit, the first exchange aggregation unit selects one base station access processing unit accessed to the near-end device, the first exchange aggregation unit also sends signals generated by each base station access processing unit in the near-end device to the second exchange aggregation unit, and the second exchange aggregation unit selects one base station outdoor unit accessed to the far-end device.
11. The multimode wireless network communication system of claim 3, wherein if there are multiple base station outdoor units, then the multiple base station outdoor units are set to at least one of multiple antenna transmit diversity or multiple antenna receive diversity.
12. A multimode wireless network communication system according to claims 1 to 2, wherein when there are a plurality of said remote devices, said remote devices are interconnected in a star, ring or mesh configuration.
13. The system of claim 12, wherein each remote device comprises a remote power supply unit, and each remote power supply unit is connected to each other in a star, ring or shared bus manner.
14. The multimode wireless network communication system of claim 13, wherein said remote power supply units are configured for backup connection, and when a remote power supply unit of any base station outdoor unit fails, the system switches to another normal remote power supply unit to supply power to the base station outdoor unit.
CNB2005100936794A 2005-09-01 2005-09-01 Multi-mode wireless network communication system Expired - Lifetime CN100466798C (en)

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CNB2005100936794A CN100466798C (en) 2005-09-01 2005-09-01 Multi-mode wireless network communication system
AT06775530T ATE504175T1 (en) 2005-09-01 2006-08-29 MULTI-MODAL NETWORK COMMUNICATION SYSTEM
PCT/CN2006/002213 WO2007025469A1 (en) 2005-09-01 2006-08-29 Multi-mode network communication system
EP06775530A EP1947873B1 (en) 2005-09-01 2006-08-29 Multi-mode network communication system
DE602006021047T DE602006021047D1 (en) 2005-09-01 2006-08-29
US12/040,513 US20080186878A1 (en) 2005-09-01 2008-02-29 Multimode network communication system

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WO2008071066A1 (en) * 2006-12-15 2008-06-19 Huawei Technologies Co., Ltd. Processing method and system for realizing the configuring of network element in multi-standard communication system
CN101309465B (en) * 2008-05-23 2012-07-04 华为技术有限公司 Wireless Base Station Equipment, Wireless Device Controllers, and Wireless Devices
CN102752781A (en) * 2008-05-23 2012-10-24 华为技术有限公司 Radio base station equipment, radio equipment controller and radio equipment
WO2023092552A1 (en) * 2021-11-29 2023-06-01 上海华为技术有限公司 Network communication system and related device

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KR100324425B1 (en) * 1999-12-29 2002-02-27 박종섭 Method for controlling forward/backward link power between basebandstation transceiver subsystem and mobile station in cdma system
US6748246B1 (en) * 2000-07-05 2004-06-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting an access technology in a multi-mode terminal
CN100407719C (en) * 2002-06-18 2008-07-30 中兴通讯股份有限公司 Wired and wireless integrated group user access system and method
KR100469269B1 (en) * 2002-07-24 2005-02-02 엘지전자 주식회사 An Internet Telephone and a telecommunication method using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008071066A1 (en) * 2006-12-15 2008-06-19 Huawei Technologies Co., Ltd. Processing method and system for realizing the configuring of network element in multi-standard communication system
CN101309465B (en) * 2008-05-23 2012-07-04 华为技术有限公司 Wireless Base Station Equipment, Wireless Device Controllers, and Wireless Devices
CN102752781A (en) * 2008-05-23 2012-10-24 华为技术有限公司 Radio base station equipment, radio equipment controller and radio equipment
CN102752781B (en) * 2008-05-23 2016-06-15 华为技术有限公司 Wireless base station device, radio equipment controller and wireless device
WO2023092552A1 (en) * 2021-11-29 2023-06-01 上海华为技术有限公司 Network communication system and related device

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