CN203086743U - Device for adjusting power values and multi-input multi-output system - Google Patents
Device for adjusting power values and multi-input multi-output system Download PDFInfo
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- CN203086743U CN203086743U CN2013200980496U CN201320098049U CN203086743U CN 203086743 U CN203086743 U CN 203086743U CN 2013200980496 U CN2013200980496 U CN 2013200980496U CN 201320098049 U CN201320098049 U CN 201320098049U CN 203086743 U CN203086743 U CN 203086743U
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Abstract
The embodiment of utility model relates to the technical field of wireless communication, in particular to a device for adjusting power values and a multi-input multi-output system, which are used for reducing deviations among power values of corresponding emitting signals of each antenna. The device for adjusting power values provided by the embodiment of the utility model comprises a processor, a shunt, a detector and a controller, wherein the shunt comprises a first input port unit, a first arithmetic unit and a first output port unit; the detector comprises a second input port unit and a second arithmetic unit; the processor comprises a third input port unit and a third arithmetic unit; and the controller comprises a fourth input port unit and a first adjuster. According to the embodiment of utility model, the deviations among the power values of corresponding emitting signals of each antenna are reduced.
Description
Technical field
The utility model relates to wireless communication technology field, particularly a kind of device and multi-input multi-output system of adjusting performance number.
Background technology
MIMO(Multiple-Input Multiple-Output, multiple-input and multiple-output) system is meant that transmitting terminal and receiving terminal have all adopted the communication system of a plurality of antennas or aerial array.Mimo system is with respect to SISO(Single-Input Single-Output, the single output of single input) system has lot of advantages, such as, improve the availability of frequency spectrum, improve the capacity and the reliability of channel, be implemented in the data service of transmission higher rate under the limited frequency band etc., thereby mimo system has obtained development fast.
In mimo system, deviation between the performance number of the signal of launching from each antenna has a significant impact the transmission capacity and the receiving sensitivity of mimo system, deviation between the performance number of the signal of launching from each antenna is 0 o'clock, the transmission capacity of mimo system and receiving sensitivity maximum, along with the deviation between the performance number that transmits of each antenna correspondence increases gradually, the transmission capacity and the receiving sensitivity of mimo system descend gradually.Present path at each antenna correspondence (such as, transmitting terminal is a base station system, then the path of antenna correspondence is that the base station is to the transmission path between the antenna) the bigger situation of performance gap, can exist than large deviation between the performance number that transmits of each antenna correspondence, and also not have the method for the deviation between a kind of performance number that transmits that reduces each antenna correspondence at present.
In sum, the method that does not also have at present the deviation between a kind of performance number that transmits that reduces each antenna correspondence.
The utility model content
The utility model embodiment provides a kind of device and multi-input multi-output system of adjusting performance number, in order to the deviation between the performance number that transmits that reduces each antenna correspondence.
A kind of device of adjusting performance number that the utility model embodiment provides, comprise a processor, a plurality of splitter, a plurality of wave detector and a plurality of controller, the corresponding antenna of one of them splitter, a corresponding antenna of wave detector, the corresponding antenna of controller;
Splitter comprises first input end mouth unit, first arithmetic device and the first output port unit; At an antenna corresponding with splitter, N signal to be transmitted of adjusted this antenna of performance number determined in first input end mouth unit; First arithmetic device is determined N signal to be transmitted corresponding reference signal according to N signal to be transmitted of adjusted this antenna of determining of performance number; The first output port unit sends to the reference signal of determining in the wave detector of this antenna correspondence;
Wave detector comprises second input port unit and the second arithmetic device; The second input port unit receives reference signal; Second arithmetic device is determined the performance number of the low frequency signal of reference signal correspondence according to the reference signal of receiving, and the performance number of definite low frequency signal is sent to processor;
Processor comprises the 3rd input port unit and the 3rd arithmetic unit; The 3rd input port unit receives the performance number of low frequency signal; The 3rd arithmetic unit is determined the reference power value according to the performance number of receiving from a plurality of low frequency signals of a plurality of wave detectors, and the reference power value of determining is sent to a plurality of controllers;
Controller comprises the four-input terminal mouth unit and first adjuster; Four-input terminal mouth unit receives the reference power value of from processor; First adjuster is according to the reference power value of receiving, determine the power adjustment of N+i signal to be transmitted of an antenna of controller correspondence, and, the performance number of N+i signal to be transmitted of this antenna is adjusted according to the power adjustment of N+i signal to be transmitted of this antenna of determining;
Wherein, N and i are positive integer.
A kind of multiple-input and multiple-output mimo system that the utility model embodiment provides comprises the device of described adjustment performance number.
The device of the adjustment performance number that the utility model embodiment provides comprises a processor, a plurality of splitter, a plurality of wave detector and a plurality of controller, the corresponding antenna of one of them splitter, a corresponding antenna of wave detector, the corresponding antenna of controller; Splitter comprises first input end mouth unit, first arithmetic device and the first output port unit; At an antenna corresponding with splitter, N signal to be transmitted of adjusted this antenna of performance number determined in first input end mouth unit; First arithmetic device is determined N signal to be transmitted corresponding reference signal according to N signal to be transmitted of adjusted this antenna of determining of performance number; The first output port unit sends to the reference signal of determining in the wave detector of this antenna correspondence; Wave detector comprises second input port unit and the second arithmetic device; The second input port unit receives reference signal; Second arithmetic device is determined the performance number of the low frequency signal of reference signal correspondence according to the reference signal of receiving, and the performance number of definite low frequency signal is sent to processor; Processor comprises the 3rd input port unit and the 3rd arithmetic unit; The 3rd input port unit receives the performance number of low frequency signal; The 3rd arithmetic unit is determined the reference power value according to the performance number of receiving from a plurality of low frequency signals of a plurality of wave detectors, and the reference power value of determining is sent to a plurality of controllers; Controller comprises the four-input terminal mouth unit and first adjuster; Four-input terminal mouth unit receives the reference power value of from processor; First adjuster is according to the reference power value of receiving, determine the power adjustment of N+i signal to be transmitted of an antenna of controller correspondence, and, the performance number of N+i signal to be transmitted of this antenna is adjusted according to the power adjustment of N+i signal to be transmitted of this antenna of determining; Wherein, N and i are positive integer, because this device is according to the performance number of a plurality of low frequency signals of N signal to be transmitted correspondence of the adjusted many antennas of performance number, determine the reference power value, and according to the reference power value, performance number to N+i signal to be transmitted of every antenna is adjusted, thereby reduced the deviation between the performance number of N+i signal to be transmitted of each antenna correspondence, and then realized reducing deviation between the performance number that transmits of each antenna correspondence, improved the transmission capacity and the receiving sensitivity of mimo system.
Description of drawings
Fig. 1 is first kind of apparatus structure schematic diagram of adjusting performance number of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment splitter;
Fig. 3 is the structural representation of the utility model embodiment wave detector;
Fig. 4 is the structural representation of the utility model embodiment processor;
Fig. 5 is the structural representation of the utility model embodiment controller;
Fig. 6 is second kind of apparatus structure schematic diagram of adjusting performance number of the utility model embodiment;
The device that Fig. 7 adjusts performance number for the utility model embodiment is applied to the structural representation of mimo system.
Embodiment
Among the utility model embodiment, adjust the device of performance number, comprise a processor, a plurality of splitter, a plurality of wave detector and a plurality of controller, the corresponding antenna of one of them splitter, a corresponding antenna of wave detector, the corresponding antenna of controller; Splitter comprises first input end mouth unit, first arithmetic device and the first output port unit; At an antenna corresponding with splitter, N signal to be transmitted of adjusted this antenna of performance number determined in first input end mouth unit; First arithmetic device is determined N signal to be transmitted corresponding reference signal according to N signal to be transmitted of adjusted this antenna of determining of performance number; The first output port unit sends to the reference signal of determining in the wave detector of this antenna correspondence; Wave detector comprises second input port unit and the second arithmetic device; The second input port unit receives reference signal; Second arithmetic device is determined the performance number of the low frequency signal of reference signal correspondence according to the reference signal of receiving, and the performance number of definite low frequency signal is sent to processor; Processor comprises the 3rd input port unit and the 3rd arithmetic unit; The 3rd input port unit receives the performance number of low frequency signal; The 3rd arithmetic unit is determined the reference power value according to the performance number of receiving from a plurality of low frequency signals of a plurality of wave detectors, and the reference power value of determining is sent to a plurality of controllers; Controller comprises the four-input terminal mouth unit and first adjuster; Four-input terminal mouth unit receives the reference power value of from processor; First adjuster is according to the reference power value of receiving, determine the power adjustment of N+i signal to be transmitted of an antenna of controller correspondence, and, the performance number of N+i signal to be transmitted of this antenna is adjusted according to the power adjustment of N+i signal to be transmitted of this antenna of determining; Wherein, N and i are positive integer, because this device is according to the performance number of a plurality of low frequency signals of N signal to be transmitted correspondence of the adjusted many antennas of performance number, determine the reference power value, and according to the reference power value, performance number to N+i signal to be transmitted of every antenna is adjusted, thereby reduced the deviation between the performance number of N+i signal to be transmitted of each antenna correspondence, and then realized reducing deviation between the performance number that transmits of each antenna correspondence, improved the transmission capacity and the receiving sensitivity of mimo system.
Below in conjunction with Figure of description the utility model embodiment is described in further detail.
Performance number in the embodiment of the invention is magnitude of voltage or current value, thereby the embodiment of the invention provides two kinds of devices of adjusting performance numbers, is respectively applied for and adjusts magnitude of voltage and current value.
As shown in Figure 1, first kind of device of adjusting performance number that the utility model embodiment provides comprises a processor 101, a plurality of splitter 102, a plurality of wave detector 103 and a plurality of controller 104, one of them splitter 102 corresponding antenna, wave detector 103 corresponding antennas, controller 104 corresponding antennas;
As shown in Figure 2, splitter 102 comprises first input end mouth unit 1021, first arithmetic device 1022 and the first output port unit 1023;
At an antenna corresponding with splitter 102, N signal to be transmitted of adjusted these antennas of performance number determined in first input end mouth unit 1021;
First arithmetic device 1022 is determined N signal to be transmitted corresponding reference signal according to N signal to be transmitted of adjusted this antenna of determining of performance number;
The first output port unit 1023 sends to the reference signal of determining in the wave detector 103 of this antenna correspondence;
As shown in Figure 3, wave detector 103 comprises the second input port unit 1031 and second arithmetic device 1032;
The second input port unit 1031 receives reference signal;
Second arithmetic device 1032 is determined the performance number of the low frequency signal of reference signal correspondence according to the reference signal of receiving, and the performance number of definite low frequency signal is sent to processor 101;
As shown in Figure 4, processor 101 comprises the 3rd input port unit 1011 and the 3rd arithmetic unit 1012;
The 3rd input port unit 1011 receives the performance number of low frequency signal;
The 3rd arithmetic unit 1012 is determined the reference power value, and the reference power value of determining is sent to a plurality of controllers 104 according to the performance number of receiving from a plurality of low frequency signals of a plurality of wave detectors 103;
As shown in Figure 5, controller 104 comprises the four-input terminal mouth unit 1041 and first adjuster 1042;
Four-input terminal mouth unit 1041 receives the reference power value of from processor 101;
Wherein, N and i are positive integer.
Wherein, N signal to be transmitted of an antenna correspondence is meant the signal that N need launch from this antenna.
Preferably, as shown in Figure 2, splitter 102 also comprises the 3rd output port unit 1024;
The 3rd output port unit 1024 determines that according to N signal to be transmitted of adjusted this antenna of performance number N of this antenna transmits, and individual the transmitting of the N of this antenna that will determine launched from this antenna.
Preferably, splitter 102 is coupler, power splitter or electric bridge.
In concrete the enforcement, wave detector 103 can be for having all devices or the circuit of detection function; Preferably, wave detector 103 is the high speed detection tube.
Preferably, the performance number of the low frequency signal of the reference signal correspondence determined of second arithmetic device 1032 is a magnitude of voltage.
Preferably, as shown in Figure 4, the 3rd arithmetic unit 1012 also comprises sub-arithmetic unit;
Sub-arithmetic unit is defined as the reference power value with the maximum in the performance number of a plurality of low frequency signals; Or the mean value of maximum in the performance number of a plurality of low frequency signals and minimum value is defined as the reference power value; Or the mean value of the performance number of a plurality of low frequency signals is defined as the reference power value.
In concrete the enforcement, sub-arithmetic unit determines that the method for reference power value is a variety of in addition, such as, sub-arithmetic unit is defined as the reference power value with the minimum value in the performance number of a plurality of low frequency signals, median in the performance number of a plurality of low frequency signals is defined as the reference power value, the mean value of the several values of the maximum in the performance number of a plurality of low frequency signals is defined as the reference power value, the mean value of the several values of the minimum in the performance number of a plurality of low frequency signals is defined as the reference power value, the mean value of the performance number of the low frequency signal of odd number root antenna correspondence is defined as the reference power value, the mean value of the performance number of the low frequency signal of even number root antenna correspondence is defined as reference power value etc.
Preferably, as shown in Figure 5, first adjuster 1042 also comprises sub-adjuster;
Sub-adjuster is determined the power adjustment of N+i signal to be transmitted of this antenna according to the performance number of N signal to be transmitted of an antenna of controller 104 correspondences and the reference power value of receiving.
Such as, suppose to exist 2 antennas, i.e. antenna 1 and antenna 2, the performance number of N signal to be transmitted of antenna 1 correspondence is 30, and the performance number of N signal to be transmitted of antenna 2 correspondences is 20, and sub-arithmetic unit determines that the reference power value is 25;
Because the performance number of N signal to be transmitted of antenna 1 correspondence is 30, the reference power value is 25, the performance number of N signal to be transmitted of reference power value ratio antenna 1 correspondence is little by 5, then sub-adjuster determines that the power adjustment of N+i signal to be transmitted of antenna 1 correspondence is-5, promptly needs the performance number of N+i signal to be transmitted of antenna 1 correspondence is reduced 5;
Because the performance number of N signal to be transmitted of antenna 2 correspondences is 20, the reference power value is 25, the performance number of N signal to be transmitted of reference power value ratio antenna 2 correspondences is big by 5, then sub-adjuster determines that the power adjustment of N+i signal to be transmitted of antenna 2 correspondences is+5, promptly needs the performance number increase by 5 with N+i signal to be transmitted of antenna 2 correspondences.
Preferably, as shown in Figure 5, controller 104 also comprises second adjuster 1043;
Wherein, j is the natural number less than N.
Such as, suppose to exist 2 antennas, be antenna 1 and antenna 2, the performance number of N signal to be transmitted of antenna 1 correspondence is 30, the performance number of N signal to be transmitted of antenna 2 correspondences is 20, sub-arithmetic unit determines that the reference power value is 25, the power adjustment of N signal to be transmitted of antenna 1 correspondence is-3, the power adjustment of N-2 signal to be transmitted of antenna 1 correspondence is-3, the N-(N-1 of antenna 1 correspondence) power adjustment of individual signal to be transmitted is 0, the power adjustment of N-2 signal to be transmitted of antenna 2 correspondences is+3, the power adjustment of N-3 signal to be transmitted of antenna 2 correspondences is+3, the N-(N-1 of antenna 2 correspondences) power adjustment of individual signal to be transmitted is 0;
At the performance number of antenna 1, the second adjuster 1043, determine that the pre-power adjustment of N+i signal to be transmitted of antenna 1 correspondence is-5 according to N signal to be transmitted of reference power value and antenna 1 correspondence; According to the power adjustment of N-j signal to be transmitted of this pre-power adjustment and antenna 1 correspondence, determine that the power adjustment of N+i signal to be transmitted of antenna 1 correspondence is-3;
At the performance number of antenna 2, the second adjusters 1043, determine that the pre-power adjustment of N+i signal to be transmitted of antenna 2 correspondences is+5 according to N signal to be transmitted of reference power value and antenna 2 correspondences; According to the power adjustment of N-j signal to be transmitted of this pre-power adjustment and antenna 2 correspondences, determine that the power adjustment of N+i signal to be transmitted of antenna 2 correspondences is+3.
Preferably, second adjuster 1043 is according to the power adjustment of N-j signal to be transmitted of pre-power adjustment and this antenna correspondence, execution mode and the utility model examples of implementation arithmetic unit of power adjustment of N+i signal to be transmitted of determining this antenna correspondence is according to the performance number of the corresponding a plurality of low frequency signals of many antennas, the execution mode of determining the reference power value is similar, does not repeat them here.
Preferably, i can get at least one value.At the numerous embodiments of i, will be introduced respectively below.
The value of mode one, i can be 1, promptly according to the reference power value, determines the power adjustment of N+1 the signal to be transmitted (signal to be transmitted after N the signal to be transmitted of an antenna correspondence) of an antenna correspondence;
The value of mode two, i can be 1 and 2, promptly according to the reference power value, determines the power adjustment of N+1, a N+2 signal to be transmitted (part signal to be transmitted after N the signal to be transmitted of an antenna correspondence) of an antenna correspondence;
The value of mode three, i can be 1,2,3 ... P(P is N the signal to be transmitted number of the signal to be transmitted of an antenna correspondence afterwards), promptly, determine the power adjustment of N+i the signal to be transmitted (whole signals to be transmitted after N the signal to be transmitted of an antenna correspondence) of an antenna correspondence according to the reference power value.
In concrete the enforcement, at a plurality of signals to be transmitted of an antenna correspondence, the execution mode of the value of the i of these a plurality of signal to be transmitted correspondences can be identical, also can be different (promptly, can adopt with a kind of mode, also can adopt the combination at random of mode one, mode two and mode three).
In concrete the enforcement, the execution mode of the value of i is similar among the execution mode of the value of j and the utility model embodiment, does not repeat them here.
Preferably, as shown in Figure 5, controller 104 also comprises the 3rd adjuster 1044;
The 3rd adjuster 1044 will be preset the power adjustment of adjusted value as first signal to be transmitted of an antenna of controller 104 correspondences, and, the performance number of first signal to be transmitted of this antenna is adjusted according to the power adjustment of first signal to be transmitted of this antenna of determining.
In concrete the enforcement, default adjusted value can be as required or experience set, such as, be set at 0.
Preferably, when the performance number of the low frequency signal of the reference signal correspondence of determining was current value, the utility model embodiment also provided the another kind of device of adjusting performance number, i.e. second kind of device of adjusting performance number.
As shown in Figure 6, second kind of device of adjusting performance number that the utility model embodiment provides compared with first kind of device of adjusting performance number, also comprises a plurality of transducers 105, one of them transducer 105 corresponding antenna; As shown in Figure 2, splitter 102 also comprises the second output port unit 1025, and as shown in Figure 3, wave detector 103 also comprises the 4th arithmetic unit 1033;
The second output port unit 1025 sends to the reference signal of determining the transducer 105 of this antenna correspondence;
The reference signal that transducer 105 is determined according to the splitter 102 of an antenna correspondence of receiving is determined the switching signal of reference signal correspondence; And the switching signal of determining is sent to the wave detector 103 of this antenna correspondence;
The 4th arithmetic unit 1033 is with the performance number of the low frequency signal of the switching signal correspondence the received performance number as the low frequency signal of reference signal correspondence.
In concrete the enforcement, any switching signal that can realize determining the reference signal correspondence, and the performance number of the low frequency signal of switching signal correspondence is that the transducer 105 of current value all is applicable to the utility model, such as, resistor.
In concrete the enforcement, in the embodiment of the invention in second kind of device of adjusting performance number in the execution mode of other structures and the embodiment of the invention in the device of first kind of adjustment performance number the execution mode of counter structure identical or similar, do not repeat them here.
Preferably, mimo system comprises the device of the adjustment performance number that the utility model embodiment provides, such as, as shown in Figure 7, because the existence of chamber subsystem or antenna-feedback system, the performance gap of the path of each antenna correspondence can be very big in the mimo system, thereby can exist between the performance number that transmits of each antenna correspondence than large deviation, the device of adjusting performance number can realize reducing the deviation between the performance number that transmits of each antenna correspondence, improves the transmission capacity and the receiving sensitivity of mimo system.
Although described preferred embodiment of the present utility model, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the utility model scope.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (8)
1. device of adjusting performance number, it is characterized in that, comprise a processor, a plurality of splitter, a plurality of wave detector and a plurality of controller, the corresponding antenna of one of them splitter, a corresponding antenna of wave detector, the corresponding antenna of controller;
Splitter comprises first input end mouth unit, first arithmetic device and the first output port unit; At an antenna corresponding with described splitter, N signal to be transmitted of the adjusted described antenna of performance number determined in first input end mouth unit; First arithmetic device is determined described N signal to be transmitted corresponding reference signal according to N signal to be transmitted of the adjusted described antenna of determining of performance number; The described reference signal that the first output port unit will be determined sends to the wave detector of described antenna correspondence;
Wave detector comprises second input port unit and the second arithmetic device; The second input port unit receives reference signal; Second arithmetic device determine the performance number of the low frequency signal of described reference signal correspondence, and the performance number of the described low frequency signal that will determine sends to processor according to the reference signal of receiving;
Processor comprises the 3rd input port unit and the 3rd arithmetic unit; The 3rd input port unit receives the performance number of low frequency signal; The 3rd arithmetic unit is determined the reference power value according to the performance number of receiving from a plurality of low frequency signals of a plurality of wave detectors, and the reference power value of determining is sent to a plurality of controllers;
Controller comprises the four-input terminal mouth unit and first adjuster; Four-input terminal mouth unit receives the reference power value of from processor; First adjuster is according to the reference power value of receiving, determine the power adjustment of N+i signal to be transmitted of an antenna of described controller correspondence, and, the performance number of N+i signal to be transmitted of described antenna is adjusted according to the power adjustment of N+i signal to be transmitted of the described antenna of determining;
Wherein, N and i are positive integer.
2. device as claimed in claim 1 is characterized in that described device also comprises a plurality of transducers, the corresponding antenna of one of them transducer; Described splitter also comprises the second output port unit, and described wave detector also comprises the 4th arithmetic unit;
The described reference signal that the described second output port unit will be determined sends to the transducer of described antenna correspondence;
The reference signal that described transducer is determined according to the splitter of an antenna correspondence of receiving is determined the switching signal of described reference signal correspondence; And the described switching signal that will determine sends to the wave detector of described antenna correspondence;
Described the 4th arithmetic unit is with the performance number of the low frequency signal of the switching signal correspondence the received performance number as the low frequency signal of reference signal correspondence.
3. device as claimed in claim 1 or 2 is characterized in that, described the 3rd arithmetic unit also comprises sub-arithmetic unit;
Described sub-arithmetic unit is defined as the reference power value with the maximum in the performance number of a plurality of low frequency signals; Or the mean value of maximum in the performance number of a plurality of low frequency signals and minimum value is defined as the reference power value; Or the mean value of the performance number of a plurality of low frequency signals is defined as the reference power value.
4. device as claimed in claim 1 or 2 is characterized in that first adjuster also comprises sub-adjuster;
Described sub-adjuster is determined the power adjustment of N+i signal to be transmitted of described antenna according to the performance number of N signal to be transmitted of an antenna of described controller correspondence and the reference power value of receiving.
5. device as claimed in claim 1 or 2 is characterized in that described controller also comprises second adjuster;
Described second adjuster is determined the pre-power adjustment of N+i signal to be transmitted of described antenna according to the performance number of N signal to be transmitted of an antenna of described controller correspondence and the reference power value of receiving; And, determine the power adjustment of N+i signal to be transmitted of described antenna correspondence according to the power adjustment of N-j signal to be transmitted of described pre-power adjustment and described antenna correspondence;
Wherein, j is the natural number less than N.
6. device as claimed in claim 1 or 2 is characterized in that described controller also comprises the 3rd adjuster;
Described the 3rd adjuster will be preset the power adjustment of adjusted value as first signal to be transmitted of an antenna of described controller correspondence, and, the performance number of first signal to be transmitted of described antenna is adjusted according to the power adjustment of first signal to be transmitted of the described antenna of determining.
7. device as claimed in claim 1 or 2 is characterized in that, described splitter also comprises the 3rd output port unit;
Described the 3rd output port unit determines that according to N signal to be transmitted of the adjusted described antenna of performance number N of described antenna transmits.
8. a multiple-input and multiple-output mimo system is characterized in that, comprises device as claimed in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200980496U CN203086743U (en) | 2013-03-04 | 2013-03-04 | Device for adjusting power values and multi-input multi-output system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200980496U CN203086743U (en) | 2013-03-04 | 2013-03-04 | Device for adjusting power values and multi-input multi-output system |
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| CN203086743U true CN203086743U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200980496U Expired - Lifetime CN203086743U (en) | 2013-03-04 | 2013-03-04 | Device for adjusting power values and multi-input multi-output system |
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| CN (1) | CN203086743U (en) |
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Effective date of registration: 20180227 Address after: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangdong, 10 Co-patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (CHINA) Ltd. Co-patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Co-patentee after: TIANJIN COMBA TELECOM SYSTEMS Ltd. Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. |
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Effective date of registration: 20200109 Address after: 510663 No. 10, Shenzhou Road, Science City, Guangzhou, economic and Technological Development Zone, Huangpu District, Guangzhou, Guangdong Province Patentee after: COMBA TELECOM SYSTEMS (CHINA) Ltd. Address before: 510663 Shenzhou Road, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangdong, 10 Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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Address after: 510663 No.10, Shenzhou Road, Guangzhou Science City, economic and Technological Development Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No.10, Shenzhou Road, Guangzhou Science City, economic and Technological Development Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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Granted publication date: 20130724 |
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| CX01 | Expiry of patent term |