CN201315586Y - Multi-channel radio-frequency signal multiplying wave detector - Google Patents
Multi-channel radio-frequency signal multiplying wave detector Download PDFInfo
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- CN201315586Y CN201315586Y CNU2008202232889U CN200820223288U CN201315586Y CN 201315586 Y CN201315586 Y CN 201315586Y CN U2008202232889 U CNU2008202232889 U CN U2008202232889U CN 200820223288 U CN200820223288 U CN 200820223288U CN 201315586 Y CN201315586 Y CN 201315586Y
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Abstract
The utility model provides a multi-channel radio-frequency signal multiplying wave detector suitable for the wireless communication signal wave-detection field. The multi-channel radio-frequency signal multiplying wave detector comprises a wave detector and further comprises a single-pole double throw switch with M casing points respectively connected with a wave detection channel for N-channel radio-frequency signals and with the other end connected with the wave detector; a counting device for recording the frequency of crystal oscillation; and a controlling unit for enabling the single-pole double throw switch to strobe one channel in the N-channel radio-frequency signals at different moments according to the cumulative number of the counting device; and the N is equal to or more than 2 and the M is equal to or more than N. The utility model can enable the single-pole double throw switch to respectively strobe each channel in the N-channel radio-frequency signals at different moments by a time-sharing multiplex method, and can enable the N-channel radio-frequency signals to multiple one wave detector, so that the multiplexing wave detection of the multi-channel radio-frequency signals can be realized only by one single-channel wave detector, and the cost can be greatly reduced.
Description
Technical field
The utility model belongs to wireless communication signals detection field, relates in particular to a kind of multi-channel rf signal multiplexing detector arrangement.
Background technology
Detecting circuit is widely used in the various occasions that need carry out power detection to radiofrequency signal.In wireless communication system, whether normal in order to monitor wireless signal, need the input and output power of supervisory control system be detected, to determine its input and output field intensity.
At present, wave detector has single channel wave detector and two-way wave detector, but since the cost of single channel wave detector will be low many, in specific implementation, when needs carry out detection to the multi-channel rf signal, adopt the single channel wave detector that is equipped with radiofrequency signal way same number to realize usually, but nonetheless, more for a long time, it is embodied as, and this is still higher, and it is also bigger to take up room in the way of radiofrequency signal.
The utility model content
The purpose of this utility model is: a kind of multi-channel rf signal multiplexing detector arrangement is provided, is intended to solve existing detection to the multi-channel rf signal and can only realizes with a plurality of wave detectors, cause the too high problem of cost.
The purpose of this utility model is achieved in that
A kind of multi-channel rf signal multiplexing detector arrangement comprises wave detector, and described device also comprises:
M throwing point is connected the single pole multiple throw that the other end is connected with described wave detector with the sense channel of N road radiofrequency signal respectively;
The counter that the crystal oscillator number of times is counted;
Control the control unit of a road in the radiofrequency signal of the described N of described single pole multiple throw gating road according to the cumulative number of described counter in the different moment;
Wherein, N 〉=2, M 〉=N.
Described counter whenever counts up to and the communicating by letter during the corresponding number of times of subframe transmission cycle an of TD-SCDMA, then carries out zero clearing, restarts the counting in next described cycle.
Described control unit is at one or more fixed times of the ascending time slot of a subframe transmission cycle, control described single pole multiple throw one or more up detection signal of gating according to the order of sequence, and, control described single pole multiple throw one or more descending detection signal of gating according to the order of sequence at these one or more fixed times with the descending time slot of individual or a different subframe transmission cycle.
For the adjacent up/descending detection signal of two-way of being distinguished gating at two different subframe transmission cycles, these two subframe transmission cycles are adjacent, or the one or more subframe transmission cycles in interval.
Described device also comprises the coupler with described radiofrequency signal way same number, and an end of each coupler is connected with the sense channel of one tunnel radiofrequency signal, and the other end is connected with the corresponding throwing point of single pole multiple throw.
Outstanding advantage of the present utility model is: the utility model is by the mode of time-sharing multiplex, control single pole multiple throw each road in different moment difference gating multi-channel rf signals, can make the multiplexing wave detector of radiofrequency signal on N road (N 〉=2), thereby only need a single channel wave detector can realize the multiplexing detection of multi-channel rf signal, can significantly reduce cost.
Description of drawings
Fig. 1 is the operation principle schematic diagram of the multi-channel rf signal multiplexing detector arrangement that provides of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The multi-channel rf signal multiplexing detector arrangement that the utility model provides is by the mode of time-sharing multiplex, control single pole multiple throw each road in different moment difference gating multi-channel rf signals, can make the multiplexing wave detector of radiofrequency signal on N road (N 〉=2), thereby only need a single channel wave detector can realize the multiplexing detection of multi-channel rf signal, can significantly reduce cost, and can reduce to take up room.
Fig. 1 shows the operation principle of the multi-channel rf signal multiplexing detector arrangement that the utility model provides, and for convenience of explanation, only shows and the utility model relevant portion.
In synchronous code division multiple access of time-division (TD-SCDMA) communication system, the transmission cycle T of each subframe is 5ms, and is divided into ascending time slot Tup and descending time slot Tdw, and Tup+Tdw=5ms.
In an embodiment of the present utility model, for the signal set Pup={Pup1 that need detect at ascending time slot, Pup2, Pup3 ..., Pupj}, wherein j〉and 0.In the t1 moment in N the Tup of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of up detection signal 1 (Pup1) 12; In the t1 moment in N+1 the Tup of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of up detection signal 2 (Pup2) 13; In the t1 moment in N+2 the Tup of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of up detection signal 3 (Pup3) 14.By that analogy, in the t1 moment in N+j the Tup of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of up detection signal j (Pupj) 15.T1 in N+j+1 the Tup of 5ms in the cycle then restarts to detect the Pup1 passage constantly, so cycle detection.
For the signal set Pdw={Pdw1 that need detect at descending time slot, Pdw2, Pdw3 ..., Pdwk}, wherein k〉and 0.In the t0 moment in M the Tdw of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of descending detection signal 1 (Pdw1) 16; In the t0 moment in M+1 the Tdw of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of descending detection signal 2 (Pdw2) 17; In the t0 moment in M+2 the Tdw of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of descending detection signal 3 (Pdw3) 18.By that analogy, in the t0 moment in M+k the Tdw of 5ms in the cycle, single pole multiple throw 114 switches to the sense channel of descending detection signal k (Pwpk) 19.T0 in M+k+1 the Tdw of 5ms in the cycle restarts to detect the Pdw1 passage constantly, so cycle detection.
Above-mentioned N and M can be identical also can be inequality.
In another embodiment of the present utility model, single pole multiple throw 114 switches to the time interval of waiting between the adjacent up detection signal in next road (descending detection signal) and also can be a plurality of 5ms cycle from going detection signal (descending detection signal) on the way, and can be identical at the interval of switching between the adjacent up detection signal of two-way and the interval of between the adjacent descending detection signal of two-way, switching also can be inequality.
In another embodiment of the present utility model, when the way of up detection signal not for a long time, single pole multiple throw 114 also can be engraved between the up detection signal of multichannel with different among the Tup of 5ms in the cycle time and switch in succession; Multiplexing this method that also is suitable for to descending detection signal.
To the concrete moment of above-mentioned single pole multiple throw 114 gatings one road detection signal and the time interval of switching between the adjacent detection signal of two-way, total way of signal that can be multiplexing as required and customer requirement etc. are set in control unit 112 in advance.
The multi-channel rf signal multiplexing detector arrangement that the utility model provides also comprises coupling circuit, all is connected to a coupler between promptly every road detection signal and single pole multiple throw.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1, a kind of multi-channel rf signal multiplexing detector arrangement comprises wave detector, it is characterized in that described device also comprises:
M throwing point is connected the single pole multiple throw that the other end is connected with described wave detector with the sense channel of N road radiofrequency signal respectively;
The counter that the crystal oscillator number of times is counted;
Control the control unit of a road in the radiofrequency signal of the described N of described single pole multiple throw gating road according to the cumulative number of described counter in the different moment;
Wherein, N 〉=2, M 〉=N.
2, multi-channel rf signal multiplexing detector arrangement as claimed in claim 1 is characterized in that, described counter whenever counts up to and the communicating by letter during the corresponding number of times of subframe transmission cycle an of TD-SCDMA, then carries out zero clearing, restarts the counting in next described cycle.
3, multi-channel rf signal multiplexing detector arrangement as claimed in claim 1, it is characterized in that, described control unit is at one or more fixed times of the ascending time slot of a subframe transmission cycle, control described single pole multiple throw one or more up detection signal of gating according to the order of sequence, and, control described single pole multiple throw one or more descending detection signal of gating according to the order of sequence at these one or more fixed times with the descending time slot of individual or a different subframe transmission cycle.
4, multi-channel rf signal multiplexing detector arrangement as claimed in claim 3, it is characterized in that, for the adjacent up/descending detection signal of two-way of being distinguished gating at two different subframe transmission cycles, these two subframe transmission cycles are adjacent, or the one or more subframe transmission cycles in interval.
5, multi-channel rf signal multiplexing detector arrangement as claimed in claim 1, it is characterized in that, described device also comprises the coupler with described radiofrequency signal way same number, one end of each coupler is connected with the sense channel of one tunnel radiofrequency signal, and the other end is connected with the corresponding throwing point of single pole multiple throw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202232889U CN201315586Y (en) | 2008-12-10 | 2008-12-10 | Multi-channel radio-frequency signal multiplying wave detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202232889U CN201315586Y (en) | 2008-12-10 | 2008-12-10 | Multi-channel radio-frequency signal multiplying wave detector |
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| Publication Number | Publication Date |
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| CN201315586Y true CN201315586Y (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008202232889U Expired - Fee Related CN201315586Y (en) | 2008-12-10 | 2008-12-10 | Multi-channel radio-frequency signal multiplying wave detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860991A (en) * | 2017-10-16 | 2018-03-30 | 国网江苏省电力公司电力科学研究院 | A kind of intelligent network lotus interactive terminal time-sharing multiplex detection means and method |
| WO2018133333A1 (en) * | 2017-01-19 | 2018-07-26 | 深圳国人通信股份有限公司 | Power detection device for multi-channel radio-frequency input signal detection |
-
2008
- 2008-12-10 CN CNU2008202232889U patent/CN201315586Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133333A1 (en) * | 2017-01-19 | 2018-07-26 | 深圳国人通信股份有限公司 | Power detection device for multi-channel radio-frequency input signal detection |
| CN107860991A (en) * | 2017-10-16 | 2018-03-30 | 国网江苏省电力公司电力科学研究院 | A kind of intelligent network lotus interactive terminal time-sharing multiplex detection means and method |
| CN107860991B (en) * | 2017-10-16 | 2020-08-14 | 国网江苏省电力公司电力科学研究院 | Time-sharing multiplexing detection device and method for intelligent network charge interactive terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU NTS TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NTS TECHNOLOGY (CHENGDU) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 610000, Sichuan Chengdu hi tech Zone Tianfu road hi tech incubator park information security base 3 and 4 floor Patentee after: Chengdu NTS Technology Co., Ltd. Address before: 610041, Sichuan high tech Zone, Chengdu Tianfu Road, South extension line, high-tech incubator Park, building 3, 6 Patentee before: NTS Technology (Chengdu) Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20131210 |