CN102291840A - GSM (global system for mobile communication) and LTE (long term evolution) base band unit, dual-mode system and frequency spectrum scheduling method - Google Patents
GSM (global system for mobile communication) and LTE (long term evolution) base band unit, dual-mode system and frequency spectrum scheduling method Download PDFInfo
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- CN102291840A CN102291840A CN2011102512443A CN201110251244A CN102291840A CN 102291840 A CN102291840 A CN 102291840A CN 2011102512443 A CN2011102512443 A CN 2011102512443A CN 201110251244 A CN201110251244 A CN 201110251244A CN 102291840 A CN102291840 A CN 102291840A
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Abstract
The invention provides a GSM (global system for mobile communication) and LTE (long term evolution) base band unit which comprises a frequency spectrum resource scheduling module, a GSM base band unit, an LTE base band unit and a GSM and LTE interface unit, wherein the frequency spectrum resource scheduling module dynamically schedules the frequency spectrum resource of a GSM and LTE dual-mode system according to the system performance statistics information; the GSM base band unit generates a GSM base band signal according to a frequency spectrum scheduling scheme provided by the frequency spectrum resource scheduling module; the LTE base band unit generates an LTE base band signal according to the frequency spectrum scheduling scheme provided by the frequency spectrum resource scheduling module; and the GSM and LTE interface unit multiplexes the GSM and LTE base band signals to one signal. The invention also provides a GSM and LTE dual-mode system and a frequency spectrum scheduling method. By adopting the technical scheme provided by the invention, the GSM and LTE frequency spectrum resource can be dynamically scheduled, the utilization factor of the available frequency spectrum resource can be improved; and meanwhile, interference between the GSM and LTE systems can be reduced.
Description
Technical field
The present invention relates to moving communicating field, more particularly, relate to GSM and LTE Base Band Unit, dual mode system and the frequency spectrum dispatching method of a kind of GSM of raising and the LTE dual mode system availability of frequency spectrum.
Background technology
In the following 4G epoch, 2G, 3G and LTE long-term co-existence, along with frequency spectrum resource becomes more and more rare, operator is desirably in and disposes GSM and UMTS, GSM and CDMA or GSM and LTE network in the limited spectral range simultaneously in order farthest to improve the availability of frequency spectrum.As shown in Figure 1, GSM and LTE network are two autonomous systems in the prior art, take identical frequency range.Yet such deployment can bring signal spectrum overlapping between different system, will cause the up-downgoing received signal to interfere with each other, and covering and capacity shrink serious, and the more serious system that will cause can't use, and therefore must handle the signal of frequency spectrum overlapping.
Based on the demand, the present invention proposes a kind of scheme that under the condition of GSM and LTE identical networking, improves the availability of frequency spectrum, can farthest reduce the interference between system.
Summary of the invention
The object of the present invention is to provide a kind of GSM and LTE Base Band Unit, dual mode system and frequency spectrum dispatching method, can dynamic dispatching GSM and LTE frequency spectrum resource, improve the usable spectrum resource utilization, simultaneously, can farthest reduce the interference between GSM and LTE system.
For solving above technical problem, the invention provides a kind of GSM and LTE Base Band Unit, comprising: frequency spectrum resource scheduler module, GSM Base Band Unit, LTE Base Band Unit, GSM and LTE interface unit,
Described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM and LTE dual mode system frequency spectrum resource;
Described GSM Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the GSM baseband signal;
Described LTE Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the baseband signal of LTE;
Described GSM and LTE interface unit are used for the baseband signal of GSM and LTE is multiplexed with one road signal.
Further, described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM that comprises in GSM and the LTE control information and LTE dual mode system frequency spectrum resource.
For solving above technical problem, the present invention also provides a kind of GSM and LTE dual mode system, comprising: radio frequency unit, duplexer and antenna among GSM and LTE control unit, GSM and LTE Base Band Unit, GSM and the LTE,
Described GSM and LTE control unit, the GSM and the LTE control information that are used to produce control GSM and LTE Base Band Unit;
Described GSM and LTE Base Band Unit are used for producing and receive the baseband signal of handling GSM and LTE, scheduling GSM and LTE frequency spectrum resource according to GSM and LTE control information;
Radio frequency unit among described GSM and the LTE is used for the baseband signal of GSM and LTE Base Band Unit is converted to downlink radio-frequency signal;
Described duplexer is used for the uplink and downlink radiofrequency signal of GSM and LTE radio frequency unit is carried out filtering and closed the road processing;
Described antenna is used for that the filtered downlink radio-frequency signal of described duplexer is converted to electromagnetic wave and launches.
Further, described GSM and LTE Base Band Unit comprise: frequency spectrum resource scheduler module, GSM Base Band Unit, LTE Base Band Unit, GSM and LTE interface unit,
Described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM and LTE dual mode system frequency spectrum resource;
Described GSM Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the GSM baseband signal;
Described LTE Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the baseband signal of LTE;
Described GSM and LTE interface unit are used for the baseband signal of GSM and LTE is multiplexed with one road signal.
For solving above technical problem, the present invention also provides a kind of frequency spectrum dispatching method, comprising:
Initialization GSM and LTE dual mode system available spectrum resource;
The statistical system performance information;
According to the systematic function statistical information, dynamic dispatching GSM and LTE dual mode system frequency spectrum resource.
Further, described according to performance statistics, dynamic dispatching GSM and LTE dual mode system frequency spectrum resource specifically comprise:
According to the systematic function statistical information, compare with the performance index requirement of network, judge that whether GSM and LTE performance satisfy system requirements, report the Carrier State information of GSM and LTE dual mode system;
According to performance judgment result and Carrier State information, upgrade the frequency spectrum scheduling scheme.
Compared with prior art, GSM provided by the invention and LTE Base Band Unit, dual mode system and frequency spectrum dispatching method, adopt the scheme of the common scheduling of GSM and LTE dual mode system frequency spectrum, dynamic dispatching GSM and LTE frequency spectrum resource, make LTE take different spectrum positions with the GSM signal, minimizing may produce the overlapping situation, has improved the utilance of usable spectrum resource; Simultaneously, do not influencing under original GSM and LTE system voice and the data service condition, farthest reducing the interference between GSM and LTE system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of GSM and LTE system in the prior art;
Fig. 2 a kind of GSM provided by the invention and LTE dual mode system structural representation;
The structural representation of Fig. 3 a kind of GSM provided by the invention and LTE Base Band Unit;
Fig. 4 is GSM provided by the invention and LTE dual mode system spectrum allocation may schematic diagram;
Fig. 5 is a kind of GSM provided by the invention and LTE dual mode system frequency spectrum dispatching method flow chart;
Fig. 6 is the dynamic dispatching GSM in a kind of GSM provided by the invention and the LTE dual mode system frequency spectrum dispatching method and the flow chart of LTE dual mode system frequency spectrum resource.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 2, the invention provides a kind of GSM and LTE dual mode system, this system comprises: radio frequency unit 30, duplexer 40 and antenna 50 among GSM and LTE control unit 10, GSM and LTE Base Band Unit 20, GSM and the LTE.Wherein:
This GSM and LTE control unit 10, the GSM and the LTE control information that are used to produce control GSM and LTE Base Band Unit 20;
This GSM and LTE Base Band Unit 20 are used for producing and receive the baseband signal of handling GSM and LTE, scheduling GSM and LTE frequency spectrum resource according to GSM and LTE control information;
This duplexer 40 is used for the uplink and downlink radiofrequency signal of GSM and LTE radio frequency unit is carried out filtering and closed the road processing;
This antenna 50 is used for that the filtered downlink radio-frequency signal of described duplexer is converted to electromagnetic wave and launches, and up reception electromagnetic wave is converted to radiofrequency signal.
As shown in Figure 3, the invention provides a kind of GSM and LTE Base Band Unit, this Base Band Unit 20 comprises: frequency spectrum resource scheduler module 21, GSM Base Band Unit 22, LTE Base Band Unit 23, GSM and LTE interface unit 24.Wherein,
This frequency spectrum resource scheduler module 21 is used for the systematic function statistical information dynamic dispatching GSM and the LTE dual mode system frequency spectrum resource that comprise according to GSM and LTE control information; Wherein, performance statistics is an existing information from the base station controller of existing network.
This GSM Base Band Unit 22, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the GSM baseband signal, and receives processing GSM baseband signal;
This LTE Base Band Unit 23, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the LTE baseband signal, and receives processing LTE baseband signal;
This GSM and LTE interface unit 24, be used for the baseband signal of GSM and LTE is multiplexed with one road signal, and one the road signal demultiplexing be GSM and LTE two-way baseband signal, GSM Base Band Unit 22 and LTE Base Band Unit 23 are given in passback respectively, to save transfer resource and connectivity port.Wherein, the interface unit signal can pass through transmission such as microwave, optical fiber, cable.
As shown in Figure 4, be GSM of the present invention and LTE dual mode system spectrum allocation may schematic diagram.As seen from Figure 4, GSM and LTE dual mode system frequency spectrum resource can be divided into Different L TE Resource Block.According to the resource block location that the GSM frequency hopping takies, Resource Block that dynamic dispatching LTE can use and position make GSM take different resource block location with the LTE signal, reduce GSM and LTE inter-system interference when obtaining the frequency hopping gain.
As shown in Figure 5, the invention provides a kind of frequency spectrum dispatching method, be applied to GSM and LTE dual mode system, this method comprises:
Step 1, HSN (the Hopping Sequence Number of initialization GSM and LTE dual mode system available spectrum resource, GSM, HSN) with the parameter such as Resource Block of MAIO (Mobile Allocation IndexOffset, frequency hop sequences side-play amount) parameter and LTE;
GSM provided by the invention and LTE Base Band Unit, dual mode system and frequency spectrum dispatching method, adopt the scheme of the common scheduling of GSM and LTE dual mode system frequency spectrum, dynamic dispatching GSM and LTE frequency spectrum resource, make LTE take different spectrum positions with the GSM signal, minimizing may produce the overlapping situation, has improved the utilance of usable spectrum resource; Do not influencing under original GSM and LTE system voice and the data service condition, farthest reducing the interference between GSM and LTE system.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the disclosed form of this paper, should not regard eliminating as to other embodiment, and can be used for various other combinations, modification and environment, and can in invention contemplated scope described herein, change by the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of claims of the present invention.
Claims (6)
1. GSM and LTE Base Band Unit is characterized in that, comprising: frequency spectrum resource scheduler module, GSM Base Band Unit, LTE Base Band Unit, GSM and LTE interface unit,
Described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM and LTE dual mode system frequency spectrum resource;
Described GSM Base Band Unit, the frequency spectrum scheduling scheme that provides according to the frequency spectrum resource scheduler module produces the GSM baseband signal;
Described LTE Base Band Unit, the frequency spectrum scheduling scheme that provides according to the frequency spectrum resource scheduler module produces the baseband signal of LTE;
Described GSM and LTE interface unit are used for the baseband signal of GSM and LTE is multiplexed with one road signal.
2. Base Band Unit as claimed in claim 1 is characterized in that, described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM that comprises in GSM and the LTE control information and LTE dual mode system frequency spectrum resource.
3. GSM and LTE dual mode system is characterized in that, comprising: radio frequency unit, duplexer and antenna among GSM and LTE control unit, GSM and LTE Base Band Unit, GSM and the LTE,
Described GSM and LTE control unit, the GSM and the LTE control information that are used to produce control GSM and LTE Base Band Unit;
Described GSM and LTE Base Band Unit are used for producing and receive the baseband signal of handling GSM and LTE, scheduling GSM and LTE frequency spectrum resource according to GSM and LTE control information;
Radio frequency unit among described GSM and the LTE is used for the baseband signal of GSM and LTE Base Band Unit is converted to downlink radio-frequency signal;
Described duplexer is used for the uplink and downlink radiofrequency signal of GSM and LTE radio frequency unit is carried out filtering and closed the road processing;
Described antenna is used for that the filtered downlink radio-frequency signal of described duplexer is converted to electromagnetic wave and launches.
4. system as claimed in claim 3 is characterized in that, described GSM and LTE Base Band Unit comprise: frequency spectrum resource scheduler module, GSM Base Band Unit, LTE Base Band Unit, GSM and LTE interface unit,
Described frequency spectrum resource scheduler module is according to systematic function statistical information dynamic dispatching GSM and LTE dual mode system frequency spectrum resource;
Described GSM Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the GSM baseband signal;
Described LTE Base Band Unit, the frequency spectrum scheduling scheme that is used for providing according to the frequency spectrum resource scheduler module produces the baseband signal of LTE;
Described GSM and LTE interface unit are used for the baseband signal of GSM and LTE is multiplexed with one road signal.
5. a frequency spectrum dispatching method is characterized in that, comprise,
Initialization GSM and LTE dual mode system available spectrum resource;
The statistical system performance information;
According to the systematic function statistical information, dynamic dispatching GSM and LTE dual mode system frequency spectrum resource.
6. method as claimed in claim 5 is characterized in that, and is described according to performance statistics, and dynamic dispatching GSM and LTE dual mode system frequency spectrum resource specifically comprise:
According to the systematic function statistical information, compare with the performance index requirement of network, judge that whether GSM and LTE performance satisfy system requirements, report the Carrier State information of GSM and LTE dual mode system;
According to performance judgment result and Carrier State information, upgrade the frequency spectrum scheduling scheme.
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| CN102695191A (en) * | 2012-05-30 | 2012-09-26 | 华为技术有限公司 | Signal processing method and device |
| US9877331B2 (en) | 2013-04-19 | 2018-01-23 | Huawei Technologies Co., Ltd. | Resource determining method and apparatus |
| US10142045B2 (en) | 2013-12-30 | 2018-11-27 | Huawei Technologies Co., Ltd. | Interference coordination method, apparatus, and system |
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