CN101697627A - Method and system for testing reception performance of wireless terminal with function of diversity reception - Google Patents
Method and system for testing reception performance of wireless terminal with function of diversity reception Download PDFInfo
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- CN101697627A CN101697627A CN200910209161A CN200910209161A CN101697627A CN 101697627 A CN101697627 A CN 101697627A CN 200910209161 A CN200910209161 A CN 200910209161A CN 200910209161 A CN200910209161 A CN 200910209161A CN 101697627 A CN101697627 A CN 101697627A
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Abstract
The invention relates to a method and a system for testing the reception performance of a wireless terminal with the function of diversity reception. The method comprises the following steps of branching a radio-frequency signal launched by a simulation base station into multi-path radio-frequency signals according to the number of receiving channels of a tested wireless terminal so as to enable the multi-receiving channels of the tested wireless terminal to simultaneously receive and demodulate the radio-frequency signals; receiving a feedback signal after the tested wireless terminal demodulates the multi-path radio-frequency signals; and acquiring the reception performance of the tested wireless terminal according to the launched radio-frequency signals. Through branching the radio-frequency signal launched by the simulation base station into the multi-path radio-frequency signals, the invention realizes the test of the reception performance of the wireless terminal when the main diversity works simultaneously, and measures the reception performance of the wireless terminal product with the function of diversity reception more accurately.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to the method and system that a kind of test has the wireless terminal receptivity of diversity reception function.
Background technology
Wireless terminal diversity receiving technology (Mobile receiver diversity, MRD) be a kind of on an end product, design two or more antenna and receive path, receive the downstream signal that the different propagated in space are come, again the technology that the multiple signals that receive is merged by respective algorithms.By test, can know the receptivity of using MRD can strengthen terminal equipment, can reach the effect of enhanced system downlink capacity.Yet, only limit to have the wireless terminal of single reception path for the test of the receptivity of wireless terminal.As shown in Figure 1, the terminal tester anolog base station sends signal to tested wireless terminal.Tested wireless terminal carries out demodulation to the signal that terminal tester sends, and the signal that demodulation is obtained returns to terminal tester.Terminal tester is analyzed computing according to the signal that sends to the signal that tested wireless terminal returns, and obtains the receptivity of tested wireless terminal.Thereby, need a kind of method of testing, realize receptivity test to wireless terminal with two and two above receive paths.
In the prior art, realization is to method such as Fig. 2, shown in Figure 3 of the receptivity test of wireless terminal with two receive paths, perhaps on the diversity reception passage RX1 of tested wireless terminal, add additive white Gaussian noise (Additive White Gaussian Noise, AWGN) source, perhaps on the main collection receive path RX0 of tested wireless terminal, add the AWGN source, and terminal tester sends signal to another receive path of tested wireless terminal.Tested wireless terminal carries out demodulation to the received signal, and returns to terminal tester by transmitter or the sendaisle TX on the main collection.Terminal tester is analyzed computing according to the signal that sends to the signal that terminal tester returns, obtain the receptivity of tested wireless terminal diversity or main collection, realization is to the receptivity test of the diversity reception passage of tested wireless terminal, or realization is to the receptivity test of the main collection receive path of tested wireless terminal.
In realizing process of the present invention, the inventor finds that there is following defective at least in prior art: prior art is only tested under the situation of a receive path job of wireless terminal, promptly only collect work and only test under the diversity operation the wireless terminal master, can only realize the receptivity test of single passage, and wireless terminal user master's diversity passage when using wireless terminal product is all opened, two passages of wireless terminal are simultaneously in work during promptly actual the use, if using prior art tests, to cause testing unilateral, therefore, the receptivity of the wireless terminal in the time of need a kind ofly working simultaneously to main diversity is carried out method of testing, to weigh the receptivity of the wireless terminal product with diversity reception function more accurately.
Summary of the invention
The embodiment of the invention proposes the method and system that a kind of test has the wireless terminal receptivity of diversity reception function, to weigh the receptivity of the wireless terminal product with diversity reception function more accurately.
The embodiment of the invention provides the method for the wireless terminal receptivity that a kind of test has the diversity reception function, comprising:
Be the multi-channel rf signal according to the quantity of the receive path of tested wireless terminal along separate routes with the radiofrequency signal of anolog base station emission, so that a plurality of receive paths of described tested wireless terminal receive also demodulation radiofrequency signal simultaneously;
Receive the signal that described tested wireless terminal feeds back after to the demodulation of described multi-channel rf signal;
Obtain the receptivity of described tested wireless terminal according to the described radiofrequency signal of emission.
The embodiment of the invention also provides the system of the wireless terminal receptivity that a kind of test has the diversity reception function, comprising: terminal tester and radiofrequency signal branch apparatus;
Described terminal tester is used for the anolog base station emitting radio frequency signal, and receive the signal that described tested wireless terminal feeds back after to the demodulation of described multi-channel rf signal by described radiofrequency signal branch apparatus, obtain the receptivity of described tested wireless terminal according to the described radiofrequency signal of emission;
Described radiofrequency signal branch apparatus is used for according to the quantity of the receive path of described tested wireless terminal described radiofrequency signal being the multi-channel rf signal along separate routes, so that a plurality of receive paths of described tested wireless terminal receive simultaneously and the demodulation radiofrequency signal.
The technical scheme that the foregoing description provides is the multi-channel rf signal along separate routes by the radiofrequency signal with the anolog base station emission, a plurality of receive paths of described tested wireless terminal are received and the demodulation radiofrequency signal simultaneously, the test of the receptivity when a plurality of receive paths of having realized tested wireless terminal are worked simultaneously, guaranteed that test case is more near the actual operating position of wireless terminal, when having two receive paths when tested wireless terminal, radiofrequency signal is divided into two-way, realized the test of the receptivity of the wireless terminal when main diversity worked simultaneously, thereby weighed out the receptivity of wireless terminal product more accurately with diversity reception function.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the test schematic diagram of the receptivity of wireless terminal in the prior art;
Fig. 2 in the prior art to a kind of test schematic diagram of the receptivity of wireless terminal with two receive paths;
Fig. 3 in the prior art to the another kind test schematic diagram of the receptivity of wireless terminal with two receive paths;
The test that Fig. 4 provides for the embodiment of the invention has the flow chart of method of the wireless terminal receptivity of diversity reception function;
A kind of test that Fig. 5 provides for the embodiment of the invention has the structural representation of system of the wireless terminal receptivity of diversity reception function;
Fig. 6 tests the structural representation of the system of the wireless terminal receptivity with diversity reception function for the another kind that the embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of method with wireless terminal receptivity of diversity reception function, Apparatus and system, by the radiofrequency signal with the anolog base station emission is the multi-channel rf signal along separate routes, a plurality of receive paths of described tested wireless terminal are received and the demodulation radiofrequency signal simultaneously, the test of the receptivity when a plurality of receive paths of having realized tested wireless terminal are worked simultaneously, guaranteed that test case is more near the actual operating position of wireless terminal, when having two receive paths when tested wireless terminal, radiofrequency signal is divided into two-way, realized the test of the receptivity of the wireless terminal when main diversity worked simultaneously, thereby weighed out the receptivity of wireless terminal product more accurately with diversity reception function.
As shown in Figure 4, the test that provides for the embodiment of the invention has the flow chart of method of the wireless terminal receptivity of diversity reception function.This method comprises:
Can be the identical multi-channel rf signal of quantity with the receive path of tested wireless terminal with the radiofrequency signal of anolog base station emission along separate routes, also the radiofrequency signal that can anolog base station be launched according to the quantity of the receive path of tested wireless terminal be the two-way radiofrequency signal along separate routes.For example, if tested wireless terminal has two receive paths, then the radiofrequency signal with the anolog base station emission is divided into the two-way radiofrequency signal; If tested wireless terminal has three receive paths, then the radiofrequency signal of anolog base station emission can be divided into two-way or three tunnel radiofrequency signals, or the like.
In the above-mentioned steps 41, anolog base station is base station simulator such as terminal tester, and it can simulate the base station of actual use to tested wireless terminal emission radio frequency signal, and receives radio frequency signal from tested wireless terminal.The radiofrequency signal of anolog base station emission is carried out equipment along separate routes can be power splitter, also can be mixer.Power splitter can be divided into one tunnel radiofrequency signal two-way radiofrequency signal or multi-channel rf signal, also the multi-channel rf signal can be combined into one tunnel radiofrequency signal.
The technical scheme that present embodiment provides is the multi-channel rf signal along separate routes by the radiofrequency signal with the anolog base station emission, a plurality of receive paths of described tested wireless terminal are received and the demodulation radiofrequency signal simultaneously, the test of the receptivity when a plurality of receive paths of having realized tested wireless terminal are worked simultaneously, guaranteed that test case is more near the actual operating position of wireless terminal, when having two receive paths when tested wireless terminal, radiofrequency signal is divided into two-way, realized the test of the receptivity of the wireless terminal when main diversity worked simultaneously, thereby weighed out the receptivity of wireless terminal product more accurately with diversity reception function.
A kind of test that Fig. 5 provides for the embodiment of the invention has the structural representation of system of the wireless terminal receptivity of diversity reception function.This system comprises: terminal tester 51 and radiofrequency signal branch apparatus 52.Described terminal tester 51 is used for the anolog base station emitting radio frequency signal; Described radiofrequency signal branch apparatus 52 is used for according to the quantity of the receive path of tested wireless terminal described radiofrequency signal being the multi-channel rf signal along separate routes, so that a plurality of receive paths of described tested wireless terminal receive simultaneously and the demodulation radiofrequency signal.Described radiofrequency signal branch apparatus 52 can be the identical multi-channel rf signal of quantity with the receive path of tested wireless terminal with the radiofrequency signal of anolog base station emission along separate routes, can be the two-way radiofrequency signal along separate routes with the radiofrequency signal of anolog base station emission also, see the explanation of above-mentioned steps 41 for details according to the quantity of the receive path of tested wireless terminal.Described terminal tester 51 receives the signal that described tested wireless terminal feeds back after to the demodulation of described multi-channel rf signal by described radiofrequency signal branch apparatus 52, obtains the receptivity of described tested wireless terminal according to the described radiofrequency signal of emission.Wherein, described radiofrequency signal branch apparatus 52 can be power splitter, also can be mixer.
In the present embodiment, the system that test has the wireless terminal receptivity of diversity reception function is the multi-channel rf signal by the radiofrequency signal branch apparatus along separate routes with the radiofrequency signal of anolog base station emission, a plurality of receive paths of described tested wireless terminal are received and the demodulation radiofrequency signal simultaneously, the test of the receptivity when a plurality of receive paths of having realized tested wireless terminal are worked simultaneously, guaranteed that test case is more near the actual operating position of wireless terminal, when having two receive paths when tested wireless terminal, radiofrequency signal is divided into two-way, realized the test of the receptivity of the wireless terminal when main diversity worked simultaneously, thereby weighed the receptivity of wireless terminal product more accurately with diversity reception function.
Fig. 6 tests the structural representation of the system of the wireless terminal receptivity with diversity reception function for the another kind that the embodiment of the invention provides.As shown in Figure 6, power splitter is divided into two-way radiofrequency signal (or be combined into one tunnel radiofrequency signal with the two-way radiofrequency signal) with one tunnel radiofrequency signal, and power splitter has certain decay to radiofrequency signal, and the two-way radiofrequency signal equivalent attenuation to obtaining along separate routes.The wireless terminal product that tested wireless terminal uses for the actual user, wherein RX1 is the diversity passage, receives only signal; RX0/TX is main collection passage, not only received signal but also transmit.
Testing process is: the terminal tester emitting radio frequency signal, by power splitter with signal halves to the RX0 and the RX1 passage of dut terminal.Tested wireless terminal receives the radiofrequency signal that terminal tester is launched by RX0 and RX1 passage, returns to terminal tester by the TX passage after the demodulation.Terminal tester is analyzed computing according to the signal of emission to the signal that tested wireless terminal returns, and obtains the receptivity of terminal tester when main diversity is worked simultaneously.
The technical scheme that the foregoing description provides can be weighed the diversity reception performance of actual user's operating position by taking all factors into consideration the actual operating position of the wireless terminal product with diversity reception performance.This method can be promoted to the mechanism that formulates agreement has a kind of testing standard of diversity reception functional product as measurement, also can be as the criterion of each certification authority to properties of product with diversity reception function; Simultaneously, the criterion in the time of can also networking to having the diversity feature product as each operator.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a test has the method for the wireless terminal receptivity of diversity reception function, it is characterized in that, comprising:
Be the multi-channel rf signal according to the quantity of the receive path of tested wireless terminal along separate routes with the radiofrequency signal of anolog base station emission, so that a plurality of receive paths of described tested wireless terminal receive also demodulation radiofrequency signal simultaneously;
Receive the signal that described tested wireless terminal feeds back after to the demodulation of described multi-channel rf signal;
Obtain the receptivity of described tested wireless terminal according to the described radiofrequency signal of emission.
2. test according to claim 1 has the method for the wireless terminal receptivity of diversity reception function, it is characterized in that, and be multi-channel rf signal along separate routes according to the quantity of the receive path of tested wireless terminal with the radiofrequency signal of anolog base station emission, comprising:
With the radiofrequency signal of anolog base station emission is the identical multi-channel rf signal of quantity with the receive path of tested wireless terminal along separate routes.
3. test according to claim 1 has the method for the wireless terminal receptivity of diversity reception function, it is characterized in that, and be multi-channel rf signal along separate routes according to the quantity of the receive path of tested wireless terminal with the radiofrequency signal of anolog base station emission, comprising:
Is the two-way radiofrequency signal according to the quantity of the receive path of tested wireless terminal along separate routes with the radiofrequency signal of anolog base station emission.
4. a test has the system of the wireless terminal receptivity of diversity reception function, it is characterized in that, comprising: terminal tester and radiofrequency signal branch apparatus;
Described terminal tester is used for the anolog base station emitting radio frequency signal, and receive the signal that described tested wireless terminal feeds back after to the demodulation of described multi-channel rf signal by described radiofrequency signal branch apparatus, obtain the receptivity of described tested wireless terminal according to the described radiofrequency signal of emission;
Described radiofrequency signal branch apparatus is used for according to the quantity of the receive path of described tested wireless terminal described radiofrequency signal being the multi-channel rf signal along separate routes, so that a plurality of receive paths of described tested wireless terminal receive simultaneously and the demodulation radiofrequency signal.
5. test according to claim 4 has the system of the wireless terminal receptivity of diversity reception function, it is characterized in that, described radiofrequency signal branch apparatus be used for the radiofrequency signal of anolog base station emission along separate routes for the identical multi-channel rf signal of quantity of the receive path of described tested wireless terminal.
6. test according to claim 4 has the system of the wireless terminal receptivity of diversity reception function, it is characterized in that described radiofrequency signal branch apparatus is used for being the two-way radiofrequency signal along separate routes according to the radiofrequency signal that the quantity of the receive path of described tested wireless terminal is launched anolog base station.
7. have the system of the wireless terminal receptivity of diversity reception function according to claim 5 or 6 described tests, it is characterized in that described radiofrequency signal branch apparatus is a power splitter.
8. have the system of the wireless terminal receptivity of diversity reception function according to claim 5 or 6 described tests, it is characterized in that described radiofrequency signal branch apparatus is a mixer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102091610A CN101697627B (en) | 2009-10-28 | 2009-10-28 | Method and system for testing reception performance of wireless terminal with function of diversity reception |
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| CN2009102091610A CN101697627B (en) | 2009-10-28 | 2009-10-28 | Method and system for testing reception performance of wireless terminal with function of diversity reception |
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| CN101697627B CN101697627B (en) | 2012-06-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158242A (en) * | 2011-05-25 | 2011-08-17 | 哈尔滨工业大学 | System and method for testing antijamming capability of wireless communication products operating at ISM (Industry, Science and Medical) frequency range |
| CN102158892A (en) * | 2011-05-25 | 2011-08-17 | 哈尔滨工业大学 | System and method for testing multi-address interference resisting capacity of ISM (Industry, Scientific and Medicine) frequency band wireless products |
| CN105991197A (en) * | 2015-02-05 | 2016-10-05 | 联想(北京)有限公司 | Wireless signal testing device, testing system and testing method |
| CN107765113A (en) * | 2017-09-12 | 2018-03-06 | 江西洪都航空工业集团有限责任公司 | A kind of method to Aerospace vehicle test signal branch process |
| WO2023123346A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Signal processing method and device, chip, and base station |
-
2009
- 2009-10-28 CN CN2009102091610A patent/CN101697627B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158242A (en) * | 2011-05-25 | 2011-08-17 | 哈尔滨工业大学 | System and method for testing antijamming capability of wireless communication products operating at ISM (Industry, Science and Medical) frequency range |
| CN102158892A (en) * | 2011-05-25 | 2011-08-17 | 哈尔滨工业大学 | System and method for testing multi-address interference resisting capacity of ISM (Industry, Scientific and Medicine) frequency band wireless products |
| CN102158892B (en) * | 2011-05-25 | 2013-07-24 | 哈尔滨工业大学 | System and method for testing multi-address interference resisting capacity of ISM (Industry, Scientific and Medicine) frequency band wireless products |
| CN102158242B (en) * | 2011-05-25 | 2013-07-24 | 哈尔滨工业大学 | System and method for testing antijamming capability of wireless communication products operating at ISM (Industry, Science and Medical) frequency range |
| CN105991197A (en) * | 2015-02-05 | 2016-10-05 | 联想(北京)有限公司 | Wireless signal testing device, testing system and testing method |
| CN107765113A (en) * | 2017-09-12 | 2018-03-06 | 江西洪都航空工业集团有限责任公司 | A kind of method to Aerospace vehicle test signal branch process |
| WO2023123346A1 (en) * | 2021-12-31 | 2023-07-06 | 华为技术有限公司 | Signal processing method and device, chip, and base station |
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| CN101697627B (en) | 2012-06-06 |
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