CN101217324A - A test system and method of WIMAX upstream cooperation MIMO - Google Patents
A test system and method of WIMAX upstream cooperation MIMO Download PDFInfo
- Publication number
- CN101217324A CN101217324A CNA2008100556657A CN200810055665A CN101217324A CN 101217324 A CN101217324 A CN 101217324A CN A2008100556657 A CNA2008100556657 A CN A2008100556657A CN 200810055665 A CN200810055665 A CN 200810055665A CN 101217324 A CN101217324 A CN 101217324A
- Authority
- CN
- China
- Prior art keywords
- base station
- terminal
- cooperation
- channel
- mimo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a system and a method for testing the uplink collaborative MIMO of WIMAX, and the system comprises a base station, which is used as a device to be tested for testing the supporting capability of the base station to the uplink collaborative MIMO; a terminal, which is used for generating a corresponding MIMO signal according to the instructions of the base station and working in a corresponding MIMO working way; a channel simulation device, which is used for generating various MIMO channels and leading the terminal which satisfies the collaborative conditions or satisfies the collaborative conditions and lies in a collaborative status to be adjusted not to satisfy the collaborative conditions. The invention tests the conformability of the base station to the uplink collaborative MIMO in a dynamic condition by simulating the channel environment in laboratories, thus being simple, quick, economic and effective.
Description
Technical field
The present invention relates to field of mobile communication, the test macro and the method for particularly a kind of WIMAX upstream cooperation MIMO (Collaborative MIMO).
Background technology
WiMAX (global intercommunication microwave access) technology is the wireless access wide band technology based on IEEE 802.16 series standards, business such as data at a high speed, voice and video can be provided in fixing and mobile environment, had concurrently move, the characteristics of broadband and IPization, development in recent years is rapid, becomes one of the development focus in broadband wireless access field gradually.The MIMO technology is put forward in 1908 by Marconi the earliest, and it utilizes uses many antennas to suppress channel fading in base station and terminal, thereby improves capacity, coverage and the availability of frequency spectrum of channel significantly.According to the quantity of dual-mode antenna, MIMO can also comprise single many outputs of input (SIMO) and many single outputs of input (MISO).MIMO has become an option of many antennas among the IEEE802.16 at present, and has also obtained embodiment in IEEE802.16e.802.16 the MIMO pattern of agreement support is divided into 3 kinds: space-time emission diversity pattern, space multiplexing mode and diversity and the multiplexing pattern that combines.
Upstream cooperation MIMO is a kind of of space-time emission diversity.In WiMAX Forum Mobile PICS agreement the base station is required as following table upstream cooperation MIMO (Collaborative MIMO) support, this part belongs to WAVE 2 partial functions.
Table·A.164·Supported·Features·for·UL·PUSC·MIMO·for·BS
| Base Station(BS) | ||||
| ltem | Capability | Reference | Status | Support |
| 1 | Collaborative SM for two MS with singletransmit antenna | 84815 | IO-MIMO | |
| 2 | Capable of processing pilot pattern A and B | 84815 | IO-MIMO | |
| Comments | ||||
Annotate: go up in the table, BS-BaseStation refers to the base station; MS-MobileStation refers to terminal or is user side also can be pseudo-terminal, below is referred to as terminal.
According to last table, partly the test of upstream cooperation MIMO there is requirement at the WAVE2 of WiMAX Forum Mobile RCT agreement, clauses and subclauses " BS-18.2:BS receive Collaborative MIMO " require as follows:
Test purpose is in order to verify that the base station can support the upstream cooperation MIMO function.Base station receiver need be done following test aspect upstream cooperation MIMO:
(1) base station receiver is at the demodulation code function to the collaboration space multiplexed signals that sends from two MS;
(2) from the base station receiving sensitivity of two MS with the hybrid modulation coded system frame under same channel condition of different transmitting power emissions.
As can be seen, above-mentioned test is just tested at a pair of MS that satisfies upstream cooperation MIMO.A pair of MS works as because the condition variation causes and can not satisfy condition in the cooperation upstream cooperation MIMO to being in the agreement of WIMAX, but be not used for testing base station under the dynamic condition to the test of the procedure of adaptation of upstream cooperation MIMO, the process that can the base station when another MS outside promptly wherein a MS follows satisfies condition discharge and rebulid does not have corresponding test method.
Summary of the invention
Technical problem to be solved by this invention is, a kind of test macro and method of WIMAX upstream cooperation MIMO is provided, and can under lab assess the performance of WIMAX base station for uplink coordinated processing simply, fast, economically.
For achieving the above object, the test macro of WIMAX upstream cooperation MIMO provided by the invention comprises:
The base station, be used for as by the side device to test the tenability of this base station to upstream cooperation MIMO;
Terminal is used for producing corresponding M IMO signal according to the indication of described base station, works with corresponding M IMO working method;
Channel simulation device is used to produce various mimo channels, so that terminal makes that to satisfying the cooperation conditioned disjunction satisfying the terminal that the cooperation condition is in the cooperation state does not satisfy described cooperation condition to being adjusted into.
The test macro of above-mentioned WIMAX upstream cooperation MIMO also comprises and closes the road device, is used to finish described base station and the passage of cooperation is changed to another terminal from the right cooperation of a terminal.
The test macro of above-mentioned WIMAX upstream cooperation MIMO, described base station detect the working method of the channel condition decision MIMO of each terminal, and finish incision, maintenance and the conversion of MIMO working method with terminal.
The test macro of above-mentioned WIMAX upstream cooperation MIMO, described base station by implant on computers background system to this base station be configured, management and status poll.
The test macro of above-mentioned WIMAX upstream cooperation MIMO, described background system also are used to observe the operating state under the described base station.
The test macro of above-mentioned WIMAX upstream cooperation MIMO, described cooperation condition comprises: the pad value of the channel model of each channel, the coefficient correlation of interchannel, each channel reaches at each channel superimposed noise so that the carrier/interface ratio of each channel changes.
Further, the present invention also provides a kind of method of testing of WIMAX upstream cooperation MIMO, and this method comprises:
The test environment establishment step is used to set up the test environment that comprises base station, three terminals and channel simulation device;
The channel simulation step is used for producing various mimo channels by described channel simulation device, so that terminal makes that to satisfying the cooperation conditioned disjunction satisfying the terminal that the cooperation condition is in the cooperation state does not satisfy described cooperation condition to being adjusted into;
Testing procedure is used to test under the dynamic condition described base station to the conformability of upstream cooperation MIMO.
The method of testing of above-mentioned WIMAX upstream cooperation MIMO, described channel simulation step further comprises:
Step 21, the channel condition of described three terminals to described base station is set, make that described base station is that uplink coordinated condition terminal is right with first, second terminal in described three terminals, and the 3rd terminal all is discontented with football association with described first, second terminal respectively and is made condition;
Step 22 changes the channel condition of described three terminals to described base station, makes that described first, second terminal is that uplink coordinated condition is false;
Step 23 is adjusted the channel condition that changes described three terminal to base station, and it is right to make that described the first, the 3rd terminal satisfies uplink coordinated condition terminal, and described second terminal is made condition with all discontented football association of described the first, the 3rd terminal respectively.
The method of testing of above-mentioned WIMAX upstream cooperation MIMO, in the described test environment establishment step, described base station by implant on computers background system to this base station be configured, management and status poll, described background system also is used to observe the operating state under the described base station.
The method of testing of above-mentioned WIMAX upstream cooperation MIMO, described cooperation condition comprises: the pad value of the channel model of each channel, the coefficient correlation of interchannel, each channel reaches at each channel superimposed noise so that the carrier/interface ratio of each channel changes.
Compared with prior art, the test macro of WIMAX upstream cooperation MIMO provided by the invention and method, by laboratory simulation channel circumstance testing base station under the dynamic condition to the conformability of upstream cooperation MIMO, simple fast, economical is effective.
Description of drawings
Fig. 1 is the schematic diagram of the test macro of WIMAX upstream cooperation MIMO of the present invention;
Fig. 2 is the specific embodiment flow chart of the method for testing of WIMAX upstream cooperation MIMO of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention being described in detail, with purpose, scheme and the effect of further understanding the present invention, but is not as the restriction to claims protection range of the present invention.
With reference to figure 1, test macro of the present invention is mainly closed road device 104 and is formed by base station 101, channel simulation device 102, three terminals 103 (MS1, MS2, MS3) and.Its core concept is to control parameters such as the carrier-to-noise ratio of signal of each terminal to base station antenna and channel relevancy by channel simulation device to produce the condition that MS1, MS2 meet collaboration MIMO, guarantees that simultaneously MS3 follows MS1, MS2 not to produce uplink coordinated condition; Still by channel simulation device control parameters such as the carrier-to-noise ratio of signal of each terminal to base station antenna and channel relevancy and produce the condition that MS1, MS3 meet collaboration MIMO, guarantee that simultaneously MS2 follows MS1, MS3 not to produce uplink coordinated condition thereafter; Thereby checking WIMAX can remove uplink coordinated state for two terminal MS 1 that are in uplink coordinated state, MS2 base station when not satisfying condition in the base station; Simultaneously, as MS1, when MS3 satisfies uplink coordinated condition can work in the uplink coordinated mode of MS1, MS3 again in the base station.
Above-mentioned base station 101 is tested device, and the checking base station is to the tenability of MIMO.Finish functions such as configuration to the base station, management, status poll by implanting on computers background system.By background system can also observe base station under operating state.The base station is detected the working method of the channel condition decision MIMO of each MS and is taked which kind of MIMO working method, and dependent instruction is issued to the work such as incision, maintenance and conversion that MS and MS finish the MIMO working method together by eating dishes without rice or wine.
Above-mentioned three terminals 103 (MS1, MS2, MS3) are to support the terminal of MIMO function or be user side also can be pseudo-terminal.Indication according to the base station produces corresponding M IMO signal, works with corresponding M IMO working method; And withdraw from the MIMO operating state according to the indication of base station.
Above-mentioned channel simulation device 102, being used to produce various required mimo channels makes relevant MS make the MS that is in the cooperation state to not satisfying that the cooperation condition becomes to satisfying the cooperation conditioned disjunction, specifically relevant with cooperation condition is: the channel model of each channel and the coefficient correlation of interchannel, the pad value of each channel, at each channel superimposed noise so that the carrier/interface ratio of each channel (CINR value) changes.Concrete pass through to control this channel simulation device to reach the step of test request as follows:
(1) relevant MS1, MS2, the MS3 channel condition to the base station is set, makes that the base station is that uplink coordinated terminal is right with MS1, MS2; While MS3 is discontented with football association with MS1, MS2 respectively and makes condition.
(2) change MS1, MS2, MS3 make that to the channel condition of base station MS1, MS2 are that uplink coordinated condition is false.
(3) adjustment change MS1, MS2, MS3 arrive the channel condition of base station, and it is right to make that MS1, MS3 satisfy uplink coordinated condition terminal; MS2 makes condition with all discontented football association of MS1, MS3 respectively simultaneously.
The above-mentioned road device 104 that closes is used for the channel unification of MS2 and MS3 is received the same antenna mouth of base station.Thereby finish the passage translation function of cooperating to MS1, MS3 from the cooperation of MS1, MS2 in the base station.
With reference to figure 2, show the specific embodiment flow process of the method for testing of WIMAX upstream cooperation MIMO of the present invention: with reference to figure 2 and in conjunction with Fig. 1, the embodiment of this method may further comprise the steps:
Step S201: set up the test environment that comprises base station 101, channel simulation device 102 and three terminals 103 (MS1, MS2, MS3);
Step S202: by channel simulation device 102 be provided with relevant MS1, MS2, MS3 to the base station 101 channel condition, make that base station 101 is that uplink coordinated terminal is right with MS1, MS2; Whether while MS3 is discontented with football association with MS1, MS2 respectively and makes condition, by the operating state that each MS is observed on the backstage, verify correct;
Step S203: by channel simulation device 102 adjustment change MS1, MS2, MS3 channel condition, make that MS1, MS2 are that uplink coordinated condition is false,, whether correctly verify by the operating state that each MS is observed on the backstage to base station 101;
Step S204: by channel simulation device 102 adjustment change MS1, MS2, the MS3 channel condition to base station 101, it is right to make that MS1, MS3 satisfy uplink coordinated condition terminal; MS2 makes condition with all discontented football association of MS1, MS3 respectively simultaneously, and by the operating state that each MS is observed on the backstage, whether checking correctly switches.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the test macro of a WIMAX upstream cooperation MIMO is characterized in that, comprising:
The base station, be used for as by the side device to test the tenability of this base station to upstream cooperation MIMO;
Terminal is used for producing corresponding M IMO signal according to the indication of described base station, works with corresponding M IMO working method;
Channel simulation device is used to produce various mimo channels, so that terminal makes that to satisfying the cooperation conditioned disjunction satisfying the terminal that the cooperation condition is in the cooperation state does not satisfy described cooperation condition to being adjusted into.
2. the test macro of WIMAX upstream cooperation MIMO according to claim 1 is characterized in that, also comprises closing the road device, is used to finish described base station and the passage of cooperation is changed to another terminal from the right cooperation of a terminal.
3. the test macro of WIMAX upstream cooperation MIMO according to claim 1 is characterized in that, the working method of the channel condition decision MIMO of each terminal is detected in described base station, and finishes incision, maintenance and the conversion of MIMO working method with terminal.
4. the test macro of WIMAX upstream cooperation MIMO according to claim 1 is characterized in that, described base station by implant on computers background system to this base station be configured, management and status poll.
5. the test macro of WIMAX upstream cooperation MIMO according to claim 4 is characterized in that, described background system also is used to observe the operating state under the described base station.
6. the test macro of WIMAX upstream cooperation MIMO according to claim 1, it is characterized in that described cooperation condition comprises: the pad value of the channel model of each channel, the coefficient correlation of interchannel, each channel reaches at each channel superimposed noise so that the carrier/interface ratio of each channel changes.
7. the method for testing of a WIMAX upstream cooperation MIMO is characterized in that, this method comprises:
The test environment establishment step is used to set up the test environment that comprises base station, three terminals and channel simulation device;
The channel simulation step is used for producing various mimo channels by described channel simulation device, so that terminal makes that to satisfying the cooperation conditioned disjunction satisfying the terminal that the cooperation condition is in the cooperation state does not satisfy described cooperation condition to being adjusted into;
Testing procedure is used to test under the dynamic condition described base station to the conformability of upstream cooperation MIMO.
8. the method for testing of WIMAX upstream cooperation MIMO according to claim 7 is characterized in that, described channel simulation step further comprises:
Step 21, the channel condition of described three terminals to described base station is set, make that described base station is that uplink coordinated condition terminal is right with first, second terminal in described three terminals, and the 3rd terminal all is discontented with football association with described first, second terminal respectively and is made condition;
Step 22 changes the channel condition of described three terminals to described base station, makes that described first, second terminal is that uplink coordinated condition is false;
Step 23 is adjusted the channel condition that changes described three terminal to base station, and it is right to make that described the first, the 3rd terminal satisfies uplink coordinated condition terminal, and described second terminal is made condition with all discontented football association of described the first, the 3rd terminal respectively.
9. the method for testing of WIMAX upstream cooperation MIMO according to claim 7, it is characterized in that, in the described test environment establishment step, described base station by implant on computers background system to this base station be configured, management and status poll, described background system also is used to observe the operating state under the described base station.
10. the method for testing of WIMAX upstream cooperation MIMO according to claim 7, it is characterized in that described cooperation condition comprises: the pad value of the channel model of each channel, the coefficient correlation of interchannel, each channel reaches at each channel superimposed noise so that the carrier/interface ratio of each channel changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100556657A CN101217324B (en) | 2008-01-04 | 2008-01-04 | A test system and method of WIMAX upstream cooperation MIMO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100556657A CN101217324B (en) | 2008-01-04 | 2008-01-04 | A test system and method of WIMAX upstream cooperation MIMO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101217324A true CN101217324A (en) | 2008-07-09 |
| CN101217324B CN101217324B (en) | 2011-05-11 |
Family
ID=39623694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100556657A Active CN101217324B (en) | 2008-01-04 | 2008-01-04 | A test system and method of WIMAX upstream cooperation MIMO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101217324B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102137421A (en) * | 2011-04-28 | 2011-07-27 | 大唐移动通信设备有限公司 | Test device and method |
| CN102340804A (en) * | 2010-07-20 | 2012-02-01 | 中兴通讯股份有限公司 | Traffic test method and system of global interoperability microwave access system |
| CN103138855A (en) * | 2011-11-29 | 2013-06-05 | 中兴通讯股份有限公司 | Device and method of wireless network channel simulation based on external field measured data |
| CN106059685A (en) * | 2016-05-17 | 2016-10-26 | 南京航空航天大学 | Large scale MIMO channel simulation apparatus under time evolution and simulation method thereof |
| CN106160892A (en) * | 2016-06-14 | 2016-11-23 | 北京中科国技信息***有限公司 | Method of testing and device for extensive mimo system base station |
| CN111162848A (en) * | 2018-11-07 | 2020-05-15 | 大唐移动通信设备有限公司 | Multichannel radio frequency test system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009523B (en) * | 2006-01-23 | 2011-08-10 | 中兴通讯股份有限公司 | A device and method for automatic measurement of the mobile communication terminal demodulation performance |
| EP1821445A1 (en) * | 2006-02-16 | 2007-08-22 | Siemens S.p.A. | Method to improve the channel estimate in broadband simo/mimo cellular radio networks during abrupt interference variations |
-
2008
- 2008-01-04 CN CN2008100556657A patent/CN101217324B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340804A (en) * | 2010-07-20 | 2012-02-01 | 中兴通讯股份有限公司 | Traffic test method and system of global interoperability microwave access system |
| CN102137421A (en) * | 2011-04-28 | 2011-07-27 | 大唐移动通信设备有限公司 | Test device and method |
| CN103138855A (en) * | 2011-11-29 | 2013-06-05 | 中兴通讯股份有限公司 | Device and method of wireless network channel simulation based on external field measured data |
| CN103138855B (en) * | 2011-11-29 | 2016-08-03 | 中兴通讯股份有限公司 | A kind of radio network information channel analog based on outfield measured data and method |
| CN106059685A (en) * | 2016-05-17 | 2016-10-26 | 南京航空航天大学 | Large scale MIMO channel simulation apparatus under time evolution and simulation method thereof |
| CN106160892A (en) * | 2016-06-14 | 2016-11-23 | 北京中科国技信息***有限公司 | Method of testing and device for extensive mimo system base station |
| CN111162848A (en) * | 2018-11-07 | 2020-05-15 | 大唐移动通信设备有限公司 | Multichannel radio frequency test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101217324B (en) | 2011-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gruber et al. | EARTH—Energy aware radio and network technologies | |
| CN102917448B (en) | System, device and method for transmitting cell information | |
| Fuentes et al. | Coexistence of digital terrestrial television and next generation cellular networks in the 700 MHz band | |
| CN109891799A (en) | Demodulated reference signal management in new radio | |
| CN101217324B (en) | A test system and method of WIMAX upstream cooperation MIMO | |
| CN102573036B (en) | Electronic device and power adjusting method thereof | |
| EP2605421A1 (en) | Method, system and wireless communication device for auxiliary transmission to adjacent channels | |
| CN102356672A (en) | Association with leakage-based metrics in a wireless network | |
| Polak et al. | Study of coexistence between indoor LTE femtocell and outdoor-to-indoor DVB-T2-Lite reception in a shared frequency band | |
| Deruyck et al. | Model for power consumption of wireless access networks | |
| Arsalane et al. | 3GPP channel model emulation with analysis of MIMO‐LTE performances in reverberation chamber | |
| CN110637436A (en) | Cell-specific reference signal transmission for evolved machine type communication | |
| Lu et al. | Downlink data rate analysis of 5G-U (5G on unlicensed band): Coexistence for 3GPP 5G and IEEE802. 11ad WiGig | |
| US8199713B2 (en) | Fractional frequency reuse in a communication system | |
| CN106686617A (en) | Method and device in narrow-band transmission | |
| Miki et al. | Investigation on interference coordination employing almost blank subframes in heterogeneous networks for LTE-advanced downlink | |
| Bishnu et al. | On performance analysis of IEEE 802.22 (PHY) for COST-207 channel models | |
| CN114391266A (en) | Terminal device | |
| Li et al. | Binary power control for full-duplex networks | |
| CN109804686B (en) | User terminal and wireless communication method | |
| CN117280820A (en) | Techniques for in-device coexistence interference | |
| Bhattarai et al. | Co-existence of NB-IoT and radar in shared spectrum: An experimental study | |
| Kocan et al. | Ergodic capacity of OFDM AF fixed gain relay system with subcarrier mapping | |
| Jiang et al. | Uplink spectrum overlay coverage enhancement algorithm in 5G network | |
| CN102892121A (en) | Method and system for lowering downlink out-of-band radiated interference of micro cell to macro cell terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |