CN103532685A - Laboratory evaluation system and method for LTE (long term evolution) base station MIMO (multiple input multiple output) technical energy efficiency - Google Patents
Laboratory evaluation system and method for LTE (long term evolution) base station MIMO (multiple input multiple output) technical energy efficiency Download PDFInfo
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- CN103532685A CN103532685A CN201310478322.2A CN201310478322A CN103532685A CN 103532685 A CN103532685 A CN 103532685A CN 201310478322 A CN201310478322 A CN 201310478322A CN 103532685 A CN103532685 A CN 103532685A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention discloses a laboratory evaluation system for LTE (long term evolution) base station MIMO (multiple input multiple output) technical energy efficiency. The laboratory evaluation system for the LTE base station MIMO technical energy efficiency comprises a base station test control unit, a tested base station, an MIMO channel simulation instrument and a test user terminal, wherein the base station test control unit is in charge of providing a control signal and service data required for measurement to the tested base station and is connected with the tested base station via the control interface of the tested base station; the tested base station comprises a plurality of sectors, wherein each sector comprises a plurality of antenna ports; the antenna ports are mutually connected with the MIMO channel simulation instrument via a coaxial cable; the other end of the MIMO channel simulation instrument is connected with the test user terminal via the coaxial cable. According to the invention, the LTE base station MIMO technical energy efficiency can be effectively evaluated and measured in real time, and the accuracy is high.
Description
Technical field
The present invention relates to mobile communication technology field, be specifically related to a kind of Laboratory Evaluation method and appraisal procedure of LTE base station technology efficiency.
Background technology
In current 21 century, the interior growing energy resource consumption of global range and the greenhouse effect that bring thus have become the significant challenge that the whole mankind faces.If do not taken effective measure to, tackle this two problems, the mean temperature of the earth can continue to rise, and correspondingly may cause the climate disaster that threatens human survival.
The development of infocommunications industry (Information and Communications Technology, ICT) explosion type makes demand and the CO of its energy
2discharge capacity all sharply increase.There are some researches show: the electric energy of ICT industry consumption now accounts for 3% left and right in the whole world, the greenhouse gas CO of discharge
2also accounted for 2% of global total amount, and the speed increment to double for every ten years of this ratio, this is by the energy and the environmental crisis that further worsen the present world and face.Therefore studying new power-saving technology realizes green communications to tackle these challenges by most important.Green communications technology is as one of the communications field conducted a research in recent years several major issues, obtained the extensive attention of government, academia, industrial quarters, increasing green project obtains a grant to carry out research, experiment, deployment and the assessment of GreenNet technology.
LTE system applies MIMO transmission technology can significantly improve performance, reliability, spectrum efficiency and the efficiency of system.Many MIMO precoding techniques, for example the accidental beam shaping (LRB) of space-time/frequency block code (SFBC), accidental beam shaping (RB), layering, there is wholly or in part SU-MIMO and the MU-MIMO of feedback, be all likely used to LTE system and improve spectrum efficiency and efficiency.Existing Wireless Telecom Equipment energy efficiency evaluating method, as standard ETSI TS102706V1.2.1(2011-10) Environmental Engineering(EE); Measurement Method for Energy Efficiency of Wireless Access Network Equipment and supplementary ETSI TR103116V1.1.1(2012-10 thereof) Environmental Engineering(EE); Practical Verification of ETSI TS102706V1.2.1, related to the energy efficiency evaluating method of LTE equipment for radio access network, provided the Static and dynamic efficiency method of measurement of carrying out LTE wireless base station (RBS) in laboratory, be included in ITU Pedestrian A Speed3km/h(PA3) dynamic efficiency method of measurement under fading channel model; But do not provide the efficiency method of measurement of the LTE RBS of using MIMO technique.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, Laboratory Evaluation system and the appraisal procedure of a kind of LTE base station technology efficiency of the present invention.
Technical scheme: for solving the problems of the technologies described above, the Laboratory Evaluation system of a kind of LTE base station technology efficiency of the present invention, comprise base station testing control unit, tested base station, mimo channel emulating instrument, test subscriber's terminal, described base station testing control unit is responsible for providing to tested base station and is measured required control signal and business datum, and the control interface by tested base station is connected with tested base station; Described tested base station comprises some sectors, and each sector has included some antenna ports, and antenna port and mimo channel emulating instrument adopt coaxial cable to interconnect; The other end of described mimo channel emulating instrument is connected with test subscriber's terminal by coaxial cable.
Wherein, this channel simulator instrument comprises the function setting of decline, interference and noise except supporting, also supports the function setting of 3GPPLTE mimo channel.
AC-powered all also can be passed through by direct current supply in described test subscriber's terminal and tested base station
The appraisal procedure that the invention also discloses a kind of Laboratory Evaluation system of LTE base station technology efficiency, comprises the following steps:
(1) MIMO of equipment under test configuration is set to activate;
(2) channel simulator instrument is set, is set to support 3GPP LTE mimo channel model;
(3) in step (2), under the LTE MIMO simulated channel of gained, carry out efficiency test, efficiency is calculated and is adopted formula:
Wherein,
EE(Energy Efficiency) be required efficiency value;
Beneficial effect: Laboratory Evaluation method and the appraisal procedure of a kind of LTE base station technology efficiency of the present invention, by RF mimo channel emulating instrument and the test terminal of attenuator, real-time assessment is measured the efficiency of LTE base station technology effectively, and accuracy is high.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, the Laboratory Evaluation system of a kind of LTE base station technology efficiency of the present invention, comprise base station testing control unit, tested base station, mimo channel emulating instrument, test subscriber's terminal, described base station testing control unit is responsible for providing to tested base station and is measured required control signal and business datum, and the control interface by tested base station is connected with tested base station; Described tested base station comprises some sectors, and each sector has included some antenna ports, and antenna port and mimo channel emulating instrument adopt coaxial cable to interconnect; The other end of described mimo channel emulating instrument is connected with test subscriber's terminal by coaxial cable.
Wherein, this channel simulator instrument comprises the function setting of decline, interference and noise except supporting, also supports the function setting of 3GPPLTE mimo channel.
AC-powered all also can be passed through by direct current supply in described test subscriber's terminal and tested base station.
The appraisal procedure that the invention also discloses a kind of Laboratory Evaluation system of LTE base station technology efficiency, comprises the following steps:
(1) MIMO of equipment under test configuration is set to activate;
(2) channel simulator instrument is set, is set to support 3GPP LTE mimo channel model;
(3) in step (2), under the LTE MIMO simulated channel of gained, carry out efficiency test, efficiency is calculated and is adopted formula:
Wherein,
EE(Energy Efficiency) be required efficiency value;
UEs is business terminal build-in-test module, can work at ordinary times, carries out test assignment during test; Can accept background test task, also task can be manually set in terminal, test assignment finishes rear test data and uploads onto the server (manually or automatically) by wireless or computer.Before test is used, need carry out to UEs the calibration of maximum transmission power (measuring for covering) and sensitivity (for cubic content measurement),
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. the Laboratory Evaluation system of a LTE base station technology efficiency, it is characterized in that: comprise base station testing control unit, tested base station, mimo channel emulating instrument, test subscriber's terminal, described base station testing control unit is responsible for providing to tested base station and is measured required control signal and business datum, and the control interface by tested base station is connected with tested base station; Described tested base station comprises some sectors, and each sector has included some antenna ports, and antenna port and mimo channel emulating instrument adopt coaxial cable to interconnect; The other end of described mimo channel emulating instrument is connected with test subscriber's terminal by coaxial cable.
2. an appraisal procedure for the Laboratory Evaluation system based on LTE base station technology efficiency claimed in claim 1, is characterized in that comprising the following steps:
(1) MIMO of equipment under test configuration is set to activate;
(2) channel simulator instrument is set, is set to support 3GPP LTE mimo channel model;
(3) in step (2), under the LTE MIMO simulated channel of gained, carry out efficiency test, efficiency is calculated and is adopted formula:
Wherein,
EE(Energy Efficiency) be required efficiency value;
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410471A (en) * | 2014-12-18 | 2015-03-11 | 工业和信息化部电信研究院 | Multi-cell simulation drive test method for LTE (long term evolution) system |
| CN105634632A (en) * | 2014-11-28 | 2016-06-01 | 是德科技股份有限公司 | System and method for testing multiuser multi-input multi-output system |
| 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 |
| US10097317B2 (en) | 2014-02-28 | 2018-10-09 | Zte Corporation | Data transmission method, apparatus and system, and computer storage medium |
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| CN102136873A (en) * | 2010-01-25 | 2011-07-27 | 中兴通讯股份有限公司 | Antenna testing system and antenna testing method |
| CN102148648A (en) * | 2010-02-05 | 2011-08-10 | 中兴通讯股份有限公司 | Space radio-frequency performance test method and system in multi-antenna system |
| US20110194504A1 (en) * | 2009-08-12 | 2011-08-11 | Qualcomm Incorporated | Method and apparatus for supporting single-user multiple-input multiple-output (su-mimo) and multi-user mimo (mu-mimo) |
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| US20110194504A1 (en) * | 2009-08-12 | 2011-08-11 | Qualcomm Incorporated | Method and apparatus for supporting single-user multiple-input multiple-output (su-mimo) and multi-user mimo (mu-mimo) |
| CN102130725A (en) * | 2010-01-20 | 2011-07-20 | 中兴通讯股份有限公司 | Test method and system for over-the-air (OTA) performance of multi-aerial system |
| CN102136873A (en) * | 2010-01-25 | 2011-07-27 | 中兴通讯股份有限公司 | Antenna testing system and antenna testing method |
| CN102148648A (en) * | 2010-02-05 | 2011-08-10 | 中兴通讯股份有限公司 | Space radio-frequency performance test method and system in multi-antenna system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10097317B2 (en) | 2014-02-28 | 2018-10-09 | Zte Corporation | Data transmission method, apparatus and system, and computer storage medium |
| CN105634632A (en) * | 2014-11-28 | 2016-06-01 | 是德科技股份有限公司 | System and method for testing multiuser multi-input multi-output system |
| CN105634632B (en) * | 2014-11-28 | 2022-08-26 | 是德科技股份有限公司 | System and method for testing multi-user multiple input multiple output system |
| US11606153B2 (en) | 2014-11-28 | 2023-03-14 | Keysight Technologies, Inc. | System and method for testing multi-user, multi-input/multi-output communication systems |
| CN104410471A (en) * | 2014-12-18 | 2015-03-11 | 工业和信息化部电信研究院 | Multi-cell simulation drive test method for LTE (long term evolution) system |
| 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 |
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| CN103532685B (en) | 2016-11-23 |
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