CN101179807A - Method of configuring anti-interference capability testing system of mobile communication system cell - Google Patents
Method of configuring anti-interference capability testing system of mobile communication system cell Download PDFInfo
- Publication number
- CN101179807A CN101179807A CNA2006101383730A CN200610138373A CN101179807A CN 101179807 A CN101179807 A CN 101179807A CN A2006101383730 A CNA2006101383730 A CN A2006101383730A CN 200610138373 A CN200610138373 A CN 200610138373A CN 101179807 A CN101179807 A CN 101179807A
- Authority
- CN
- China
- Prior art keywords
- cell
- interference
- interfered
- test
- time slot
- 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 method for test system to deploy subdistrict interference restraining capability. The system contains a test subdistrict and at least two interference subdistricts. The method includes the following steps: when uplink interference loading is carried out, in case of simulation interference, a time slot between the test subdistrict and the interference subdistrict is arranged, thus ensuring that an uplink time slot of the test subdistrict is identical with a downlink time slot of the interference subdistrict; in case of real interference, downlink time slots of the test subdistrict and the interference subdistrict are staggered; when downlink interference loading is carried out, in case of real interference, uplink time slots of the test subdistrict and the interference subdistrict are staggered.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the method for allocating cell anti-interference capability testing system in a kind of field testing.
Background technology
In mobile communication system (for example TD-CDMA), terminal and communicating by letter of base station can be subjected to the interference of communicating by letter of terminal and base station in the neighbor cell in sub-district.Interfered cell takes interference suppression measure to eliminate the adverse effect of this interference usually.Yet when this interference exceeds the elimination ability of this measure, compare with the amplification of disturbing, the transmitting power amplification of terminal and base station can disproportionately increase in the interfered cell.Then a kind of amplification of power is more little, shows that then the sub-district antijamming capability is strong more.
Under the test environment of outfield, the system of test cell interference rejection capability comprises tested sub-district and the some interfered cells that are adjacent, tested sub-district comprises dut terminal and the base station of measuring its transmitting power amplification, and interfered cell comprises interfered with terminal and the base station that tested sub-district is produced interference.When the presence of intercell interference of verifying TD-SCDMA system for example suppresses ability, disturb loading around need be in tested sub-district, for example in the peripheral cell of test cell, control a plurality of terminals and call and disturb loading.Yet owing to exist to disturb in the interfered cell and between interfered cell, and also there is interference in tested sub-district to interfered cell, and interfered cell possibly can't be realized loading at full capacity, has therefore influenced the checking of test cell interference rejection capability.
For overcoming above-mentioned defective, need be configured test macro, to improve the checking ability that test macro ginseng area interference suppresses ability.
Summary of the invention
The invention provides a kind of method of allocating cell interference rejection capability test macro, this system comprises test cell and at least two interfered cells, this method comprises: when carrying out the uplink interference loading, if simulation scrambling, the time slot of test cell and interfered cell is set, make that the ascending time slot of test cell is identical with the descending time slot of interfered cell, if true scrambling, the descending time slot that test cell and interfered cell are set staggers; When carrying out descending interference and load, if true scrambling, the ascending time slot that test cell and interfered cell are set staggers.
The present invention mainly is at the situation that can't realize full loading, realizes that by simple and easy to do mode the interference of maximum possible loads.
Description of drawings
By below in conjunction with the description of this invention that accompanying drawing carried out, can understand above-mentioned and other purpose of the present invention, feature and advantage, wherein:
The schematic diagram of Fig. 1 shows the collocation method of the interference rejection capability test macro that relates to the uplink interference loading based on one embodiment of the present of invention;
The schematic diagram of Fig. 2 shows the collocation method that relates to the true interference rejection capability test macro that loads of uplink interference based on a preferred embodiment of the present invention;
The schematic diagram of Fig. 3 shows the collocation method of the interference rejection capability test macro that relates to the uplink interference simulation loading based on a preferred embodiment of the present invention;
The schematic diagram of Fig. 4 shows the collocation method of the interference rejection capability test macro that relates to descending interference loading method based on one embodiment of the present of invention;
The schematic diagram of Fig. 5 shows the collocation method that relates to the true interference rejection capability test macro that loads of descending interference based on a preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are described.
Fig. 1 shows the example that area interference suppresses the aptitude tests system.As shown in Figure 1, this system comprises by the test cell D of solid line circle expression, is preferably the test cell under the spacious environment, comprises testing base station and the test macro represented by the Yangtze River Delta.Test macro is carried by test carriage, comprises test terminal and driver test system, and the test terminal directly links to each other with driver test system.Area interference suppresses the aptitude tests system and also comprises interfered cell A～C that broken circle is represented, they are to be a plurality of neighbour sub-district at center with test cell D.
Described area interference suppresses the aptitude tests system and is used to investigate under the different disturbed conditions antijamming capability of test cell.In test process, a plurality of terminals (being represented by triangle among Fig. 1) are conversed in the interfered cell,,, be that desirable interference environment and condition are created in test wherein with the influence that overcomes in the interfered cell and disturb between interfered cell by the quantity of call terminal, position etc. are configured.
In concrete test, in test cell, test terminal (link road examining system) conversed, by driver test system record end side test data; Base station side record network side test data.
Fig. 1 also shows the example that comes the method for allocating cell interference rejection capability test macro based on the uplink interference loading scheme.As shown in Figure 1, realize maximization for making to disturb to load, for for example TD-SCDMA system testing, collocation method shown in Figure 1 comprises disposes interfered with terminal (interference source), make it remain in the scope of its affiliated subdistrict, and as close as possible test cell base station.As shown in Figure 1, each interfered with terminal is deployed on the border of its affiliated subdistrict and test cell, but far away as far as possible apart from the base station of other interfered cell.Interfered with terminal can be configured to big as far as possible power emission upward signal.
Interfered with terminal can be the terminal (in this case be loaded as true loading) of actual use, also can be by the terminal of system simulation (in this case be loaded as simulation loading).
In the actual test, the factor that influences the uplink interference heap(ed) capacity is mainly as follows:
1) presence of intercell interference between the adjacent interference sub-district: comprise uplink interference and descending interference.
2) disturb in the interfered cell: comprise uplink interference and descending interference.
The inventor recognizes that when carrying out uplink interference inhibition aptitude tests, descending interference can unnecessarily reduce the uplink interference heap(ed) capacity of interfered cell, and vice versa.Be based on the recognition, the inventor has further improved method shown in Figure 1.
The schematic diagram of Fig. 2 shows the collocation method that relates to the true interference rejection capability test macro that loads of uplink interference based on a preferred embodiment of the present invention, wherein utilizes real interfered with terminal in the interfered cell to realize uplink interference to test cell.
This collocation method comprises the preferred working time slot that test cell and interfered cell are set, make test cell and interfered cell take asymmetric time slot configuration, descending time slot staggers fully between the neighbor cell, and descending interference reduces between interfered cell thereby make, and helps disturbing the maximization of loading.
As shown in Figure 2, test cell D and interfered cell A～C are configured to test cell and use ascending time slot 2 and descending time slot 4, interfered cell A uses ascending time slot 2 and descending time slot 5, and interfered cell B uses ascending time slot 2 and descending time slot 6, and interfered cell C uses ascending time slot 2 and descending time slot 7.Therefore, public ascending time slot and the descending time slot that staggers are each other used in each sub-district.
In a preferred embodiment, this method comprises based on the true loading scheme of uplink interference disposes interfered with terminal, and wherein interior each interfered with terminal of interfered cell is by decentralized configuration, to reduce descending interference in the sub-district.This also is applicable to the situation that descending interference loads.Alternatively, also can open descending inside/outside ring power control, be beneficial to the stable loading of interfered cell.
Be configured based on true interference loading scheme and can press close to true application scenarios more, for network planning optimization provides effective reliable basis.
The schematic diagram of Fig. 3 shows the collocation method of the interference rejection capability test macro that relates to the uplink interference simulation loading based on a preferred embodiment of the present invention, wherein simulates the uplink interference behavior of its interfered with terminal to test cell by the base station of interfered cell.
This collocation method comprises the preferred working time slot that test cell and interfered cell are set, and make that the ascending time slot of test cell is identical with the descending time slot of interfered cell, and preferably, the ascending time slot of test cell and interfered cell staggers fully each other.This method is that interfered cell loads by the uplink interference that descending loading simulates test cell.
As shown in Figure 3, test cell D and interfered cell A, B are configured to test cell D and use ascending time slot 3 and descending time slot 6, and interfered cell A uses ascending time slot 1 and descending time slot 3, and interfered cell B uses ascending time slot 2 and descending time slot 3.
Disturb loading scheme to be configured the accuracy that can improve measuring accuracy and data analysis based on simulation.
The schematic diagram of Fig. 4 shows the collocation method of the interference rejection capability test macro that relates to descending interference loading method based on one embodiment of the present of invention.
As shown in Figure 4, collocation method is included in and disposes interfered with terminal (shown in the hollow triangle of sub-district A) in the interfered cell (for example interfered cell A), make the as close as possible test point in position (shown in solid triangle) of interfered with terminal, be the location point and the line between this interfered cell base station (shown in the line between the Yangtze River Delta shape among solid triangle and the sub-district A) of test terminal, and the base station of preferably, controlling this interfered cell along the direction of line between test point and this base station with big as far as possible power emission downstream signal.
The schematic diagram of Fig. 5 shows the collocation method that relates to the true interference rejection capability test macro that loads of descending interference based on a preferred embodiment of the present invention, wherein utilizes real interfered with terminal in the interfered cell to realize descending interference to test cell.
This collocation method comprises the time slot that test cell and interfered cell are set, make test cell and interfered cell take asymmetric time slot configuration, ascending time slot staggers fully between the neighbor cell, and uplink interference reduces between interfered cell thereby make, and helps disturbing the maximization of loading.
As shown in Figure 5, test cell D and interfered cell A～C are configured to test cell and use ascending time slot 4 and descending time slot 6, interfered cell A uses ascending time slot 2 and descending time slot 6, and interfered cell B uses ascending time slot 1 and descending time slot 6, and interfered cell C uses ascending time slot 3 and descending time slot 6.Therefore, public descending time slot and the ascending time slot that staggers are each other used in each sub-district.
In a preferred embodiment, this method comprises based on the true loading scheme of descending interference disposes interfered with terminal, and wherein interior each interfered with terminal of interfered cell is by decentralized configuration, to reduce uplink interference in the sub-district.Alternatively, also can open descending inside/outside ring power control, be beneficial to the stable loading of interfered cell.
Be configured based on true interference loading scheme and can press close to true application scenarios more, for network planning optimization provides effective reliable basis.
Configuration and control to terminal and base station in the embodiment of the invention can be carried out with manual type, also can be via based on the equipment of computer, microprocessor, microcontroller, logical circuit or the like automated manner with software, hardware and combination thereof, perhaps the mode that combines with artificial and automation is carried out.And this configuration and control also can remotely be carried out, and long-range connection can be adopted such as wire/radio network, the special-purpose transmission medium that connects.
Although above-mentionedly according to preferred embodiment the present invention is set forth, these are described just for purpose of the present invention is described, should not be construed as any limitation of the invention.For example, though among the embodiment number of interfered cell and interfered with terminal and particular time-slot etc. are limited, yet above-mentioned qualification is to propose at a kind of specific test environment, when factors such as the configuration of test macro and test target changed, those skilled in the art can set accordingly according to principle of the present invention and test request fully.Those skilled in the art can carry out various possible modifications and improvement to the present invention, but these modifications and improve all are included in the scope and spirit of the present invention defined in the claims of enclosing.
Claims (4)
1. the method for an allocating cell interference rejection capability test macro, this system comprises test cell and at least two interfered cells, this method comprises: when carrying out the uplink interference loading, if simulation scrambling, the time slot of test cell and interfered cell is set, make that the ascending time slot of test cell is identical with the descending time slot of interfered cell, if true scrambling, the descending time slot that test cell and interfered cell are set staggers; When carrying out descending interference and load, if true scrambling, the ascending time slot that test cell and interfered cell are set staggers.
2. method according to claim 1 also comprises:
In described interfered cell, dispose interfered with terminal, make described interfered with terminal remain in the scope of its affiliated interfered cell, and as close as possible test cell base station.
3. method according to claim 1, wherein said deployment also comprises: with each interfered with terminal decentralized configuration in the interfered cell.
4. method according to claim 1 also comprises:
Open descending inside/outside ring power control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101383730A CN101179807B (en) | 2006-11-09 | 2006-11-09 | Method of configuring anti-interference capability testing system of mobile communication system cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101383730A CN101179807B (en) | 2006-11-09 | 2006-11-09 | Method of configuring anti-interference capability testing system of mobile communication system cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101179807A true CN101179807A (en) | 2008-05-14 |
| CN101179807B CN101179807B (en) | 2010-11-17 |
Family
ID=39405853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101383730A Active CN101179807B (en) | 2006-11-09 | 2006-11-09 | Method of configuring anti-interference capability testing system of mobile communication system cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101179807B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075995A (en) * | 2009-11-24 | 2011-05-25 | 中兴通讯股份有限公司 | Method and device for simulating load of wireless communication system |
| CN101635979B (en) * | 2008-07-25 | 2013-05-08 | 中兴通讯股份有限公司 | Method for inhibiting inter-cell uplink interference in time division duplex system |
| WO2016161610A1 (en) * | 2015-04-09 | 2016-10-13 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Determination of a user equipment's ability to suppress interference |
| CN107889139A (en) * | 2016-09-30 | 2018-04-06 | 中国移动通信有限公司研究院 | A kind of signal test system and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747967B2 (en) * | 2002-05-14 | 2004-06-08 | Interdigital Technology Corporation | Method and system for computing the optimal slot to cell assignment in cellular systems employing time division duplex |
| CN100518357C (en) * | 2006-02-14 | 2009-07-22 | 信息产业部电信传输研究所 | System and method of testing effects of interference between mobile communication systems |
-
2006
- 2006-11-09 CN CN2006101383730A patent/CN101179807B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635979B (en) * | 2008-07-25 | 2013-05-08 | 中兴通讯股份有限公司 | Method for inhibiting inter-cell uplink interference in time division duplex system |
| CN102075995A (en) * | 2009-11-24 | 2011-05-25 | 中兴通讯股份有限公司 | Method and device for simulating load of wireless communication system |
| WO2016161610A1 (en) * | 2015-04-09 | 2016-10-13 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Determination of a user equipment's ability to suppress interference |
| CN107534872A (en) * | 2015-04-09 | 2018-01-02 | 上海诺基亚贝尔股份有限公司 | User equipment to suppress interference ability determination |
| CN107534872B (en) * | 2015-04-09 | 2021-03-19 | 上海诺基亚贝尔股份有限公司 | Determination of capability of user equipment to suppress interference |
| CN107889139A (en) * | 2016-09-30 | 2018-04-06 | 中国移动通信有限公司研究院 | A kind of signal test system and method |
| CN107889139B (en) * | 2016-09-30 | 2021-06-11 | 中国移动通信有限公司研究院 | Signal test system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101179807B (en) | 2010-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mikhaylov et al. | On LoRaWAN scalability: Empirical evaluation of susceptibility to inter-network interference | |
| CN110062995B (en) | Wireless battery management system and battery pack including the same | |
| CN101179807B (en) | Method of configuring anti-interference capability testing system of mobile communication system cell | |
| CN107872827A (en) | A kind of air interference method of testing and system | |
| CN101174907B (en) | Testing device for radio frequency veneer | |
| CN103884981B (en) | Isolation circuit | |
| CN101335962B (en) | Signal generating method and apparatus under analogue cellular network environment | |
| CN102421132A (en) | Test system, test equipment and test method for mobile terminal | |
| FI116023B (en) | Mobile Phone System | |
| CN103581957A (en) | Interference detection method, device and system | |
| CN102142911A (en) | Communication equipment and communication test method | |
| CN107820718A (en) | Method and device for reselecting cell | |
| CN103744415A (en) | Subway-CBTC testing method and device | |
| CN101841840A (en) | System and method for testing multi-frequency point, multi-frequency range or multi-carrier protocol consistency | |
| CN102469472A (en) | WWAN test method and test system thereof | |
| CN110649981B (en) | MOD3 interference processing method and equipment | |
| CN107634809A (en) | A kind of autologous ageing testing method of Remote Radio Unit and system | |
| CN101895917B (en) | Method and equipment for measuring switching interrupting time | |
| CN103580761B (en) | The method of testing of a kind of communication equipment and device | |
| CN110191435B (en) | Vehicle-mounted heterogeneous network testing system and method based on heterogeneous network controller | |
| CN114268982B (en) | Vehicle-mounted mobile communication terminal test system | |
| CN115421026A (en) | Aging test method, circuit and system for batch PD chips | |
| CN205336545U (en) | System for test terminal | |
| CN101378274B (en) | Power regulation method and access point equipment | |
| CN104125624A (en) | Information processing method and electronic equipment |
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 |