CN101184006B - Test method and system for WLAN equipment index - Google Patents

Test method and system for WLAN equipment index Download PDF

Info

Publication number
CN101184006B
CN101184006B CN2007101248447A CN200710124844A CN101184006B CN 101184006 B CN101184006 B CN 101184006B CN 2007101248447 A CN2007101248447 A CN 2007101248447A CN 200710124844 A CN200710124844 A CN 200710124844A CN 101184006 B CN101184006 B CN 101184006B
Authority
CN
China
Prior art keywords
wlan
test
server
client
radio frequency
Prior art date
Application number
CN2007101248447A
Other languages
Chinese (zh)
Other versions
CN101184006A (en
Inventor
王坚强
李宪辉
Original Assignee
深圳国人通信有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳国人通信有限公司 filed Critical 深圳国人通信有限公司
Priority to CN2007101248447A priority Critical patent/CN101184006B/en
Publication of CN101184006A publication Critical patent/CN101184006A/en
Application granted granted Critical
Publication of CN101184006B publication Critical patent/CN101184006B/en

Links

Abstract

The invention relates to an index test method for WLAN equipment, which comprises the following steps: a radio frequency test loop is formed; a wireless link is established; a network test software is respectively installed on a server and a client side; the control terminal of the network test software is operated at the server and the client side, so as to configure the network test software; test data flow is generated between the response terminals of the software, and the test data flow is transmitted or received through the WLAN equipment; the WLAN equipment can obtain a radio frequency index from the radio frequency test equipment when in operation; and a network transmission index of the WLAN is obtained at the control terminal of a local network test software. The invention also relates to a system for realizing the method. The invention has the advantages that: the test method can test other network indexes simultaneously and is applicable for the WLAN equipments widely.

Description

A kind of method of testing and system that is used for the wlan device index

[technical field]

The present invention relates to the test and the system of network performance index, more particularly, relate to a kind of method of testing and system that is used for the wlan device index.

[background technology]

(Wireless Local Area Network is a kind of of local area network (LAN) WLAN) to WLAN (wireless local area network), refers to that the employing wireless communication technology is interconnected with computer equipment, and formation can the mutual communication and the network system that realizes resource-sharing.The characteristics of WLAN (wireless local area network) essence are not re-use telecommunication cable computer and network is coupled together, but connect by wireless mode, thereby make moving of the structure of network and terminal more flexible.Along with the continuous development of WLAN technology, the occasion that WLAN uses is also more and more.And WLAN has comprised a plurality of standards such as IEEE802.11a/b, IEEE802.11g, the frequency range difference of its use, in today that network size constantly enlarges, need comparatively fast, more simply network index tested, therefore at the multifrequency test, support the demand of distributed testing also just to seem important day by day.

When making up and safeguarding WLAN, usually need to wireless access point device (Access Point, index AP) is tested, to verify its performance; Not only to test its radio-frequency (RF) index, also to test out its characteristic when the network operation, it is every network index, and want to test out the desired value of wlan device, must make wlan device be in data and often send out state, be that wlan device constantly sends radiofrequency signal, the method of test wlan device index as shown in Figure 1 in the prior art, constantly make wlan device 13 send radiofrequency signal by configuration on server 11 and wlan device 13 corresponding test software and hardwares 12, thereby make wlan device 13 be in data and often send out state, its radiofrequency signal is delivered to radio frequency testing equipment 15 by attenuator 14, thus the desired value of test wlan device 13.But the method for this test wlan device index, realize at a certain specific wlan device operation software corresponding with it, have no idea to test the wlan device not corresponding, can only test out other indexs of power index and also need just can finish concrete index test and can't become by other hardware to the blanket method of testing of wlan device with this software.

[summary of the invention]

The technical problem to be solved in the present invention is, can only test out power index and can't become defective at prior art above-mentioned, provide a kind of and can test other network indexes simultaneously and can become the blanket method of wlan device and realize the system of this method the blanket method of testing of wlan device.

The technical solution adopted for the present invention to solve the technical problems is: construct a kind of indication test method that is used for wlan device, comprise the steps:

A) wlan device that will test is that the radio-frequency (RF) output end of WLAN devices is connected to radio frequency testing equipment, constitutes the radio frequency testing loop;

B) server is linked to each other with the line end that has of described wlan device, make the client that has wave point receive radiofrequency signal that described wlan device reveals and connect by described wlan device and server by described wave point;

C) described server and client side is equipped with network test software, and described testing software comprises control end and responding terminal, and the control end of this net testing software of operation disposes this testing software on described server or client; Produce test data stream between the described LAN testing software responding terminal on described LAN testing software responding terminal on the server and the client, and send or receive by described wlan device;

On described radio frequency testing equipment, obtain its radio-frequency (RF) index when D) described wlan device is worked, on the control end of described network test software, obtain the Network Transmission index of described wlan device.

At the indication test method that is used for wlan device of the present invention, step B) in comprise that further described server is configured the parameter of the control radio-frequency emission power of described wlan device.

At the indication test method that is used for wlan device of the present invention, the rf input interface of the wave point of described client and described radio frequency testing equipment is adjacent.

At the indication test method that is used for wlan device of the present invention, described radio frequency testing loop also comprises the attenuator between the rf inputs of the radio-frequency (RF) output end that is connected described wlan device and described radio frequency testing equipment.

The present invention has also disclosed a kind of system that realizes above-mentioned method of testing, comprises wlan device to be tested, radio frequency testing equipment, server, the test platform that the client of wave point is housed and sets up on described server and client side respectively; Wherein:

Described server network interface is connected with the network interface of described wlan device, controls described wlan device, for described wlan device provides data flow and receives data flow from described wlan device;

The radio-frequency (RF) output end of described wlan device is connected the rf inputs of described radio frequency testing equipment by coaxial cable;

Described client receives the radiofrequency signal of described wlan device leakage by its wave point and is connected with described server by described wlan device;

Described test platform is based upon respectively on described server and the described client, and wherein, the responding terminal of described test platform operates on the described server and client side, and the control end of described test platform operates on described server or the client.

Be used for realizing system for carrying out said process of the present invention, described radio frequency testing also comprises attenuator in the loop, and described attenuator input is connected the radio-frequency (RF) output end of described wlan device, and its output is connected the input of described radio frequency testing instrument.

Be used for realizing system for carrying out said process of the present invention, described wlan device comprises wireless access point device.

Be used for realizing system for carrying out said process of the present invention, described radio frequency testing equipment comprises power meter, spectrum analyzer or comprehensive tester.

Implement a kind of indication test method and system that is used for wlan device of the present invention, has following beneficial effect: owing in the testing radio frequency index, between the server and client side, set up connection, and transmit test data by this link, make this method of testing can test other network indexes simultaneously and can generally be suitable for to wlan device.

[description of drawings]

The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the system configuration schematic diagram of test wlan device index in the prior art;

Fig. 2 is a kind of flow chart that is used for the method for testing embodiment of wlan device index of the present invention;

Fig. 3 is the structural representation of the system embodiment of the present invention's method of testing of realizing being used for the wlan device index.

[embodiment]

In the following embodiments, (AccessPoint AP) is example with the visual plant wireless access point device among the test WLAN, its testing procedure and the system that is constituted are described, as shown in Figure 2, at a kind of method of testing embodiment that is used for the wlan device index of the present invention, comprise the steps:

S21 connects the rf inputs of radio frequency testing equipment and the radio-frequency (RF) output end of wlan device, constitute the radio frequency testing loop: the rf inputs of the radio-frequency (RF) output end of the AP that will test and radio frequency testing equipment couples together with coaxial cable, in the present embodiment, this radio frequency testing equipment is spectrum analyzer, when the AP work that will test, its radiofrequency signal output output radiofrequency signal, if this signal can continue for some time, just can on spectrum analyzer, record the power of the radiofrequency signal of input, the emission spectrum template, spurious emissions, radio-frequency (RF) index such as emission spectrum flatness, in actual applications, according to the kind of the radio-frequency (RF) index that will test, can also use power meter or comprehensive tester as radio frequency testing equipment.

S22 is connected server by network interface with wlan device: as AP, be at cable LAN with by playing the effect of a bridge between WLAN and the terminal that cable LAN is connected, so its radio-frequency (RF) output end output radiofrequency signal is connected with each terminal when work, its network interface end then is connected with cable LAN, and above-mentioned terminal and cable LAN are linked together; In this step, the network interface of this AP is connected on the network interface of server, replace above-mentioned cable network with server, promptly connect employed netting twine (category-5 cable or six class lines) the RJ45 interface of server and the RJ45 interface of AP are coupled together with Ethernet.

S23 is provided with the parameter of wlan device: in this step, server carries out the parameter setting by network interface to this AP, comprises the radio-frequency emission power that this AP is set.

The S24 server and client side connects by wlan device: when client is started working, the wave point that assembles on the client begins to receive aerial wireless signal, and attempt and the AP that sends signal sets up wireless network links, in the present embodiment, though the radio frequency output interface of AP is connected the input of spectrum analyzer by attenuator by coaxial line, but when AP works, the wave point on the client still have radiofrequency signal to leak in the air, so still can be crossed wlan device and server connects through former link tester by these radiofrequency signals that leak out.Simultaneously, in the present embodiment, client is a notebook computer, and wireless network card is housed, promptly above-mentioned wave point on the client.

The control end of operational network testing software on the S25 server, the responding terminal of the network test software that moves on the configuration server end: in the present embodiment, network test software has used the network test software Chariot of NetIQ company, the control desk and Endpoint (the software name of Chariot software are installed on the computer as server, the part of Chariot), wherein, the control desk of above-mentioned Chariot is a control end, and Endpoint is a responding terminal.The Endpoint of Chariot software is installed on the notebook computer as client, so in this step, the control desk of operation Chariot on as the computer of server at first, carry out parameter configuration to being installed in as server or as the Endpoint on the notebook computer of client, for example, the type that setting will be tested, selected test script, set the testing time, the size of the packet of transmission, the direction of data flow (as flowing to the Endpoint that operates in client) etc. from the Endpoint that operates on the server.

The responding terminal of the responding terminal of the network test software of S26 runtime server and the network test software by wlan device and client transmits test data stream: after being provided with of the Endpoint that moves on the control desk of Chariot software is finished server or client, the data flow of test begins to transmit between two Endpoint by the direction of setting, at this moment, because data flow is arranged, AP begins to enter the state of emitting radio frequency signal, the beginning emitting radio frequency signal, again because above-mentioned test data stream is continuous, so sustained period at test data stream, AP has radiofrequency signal output always, has promptly entered the usually said normal state of sending out.

S27 obtains the radio frequency parameter of wlan device on radio frequency testing equipment, at the network parameter that obtains wlan device on the server of operational network testing software: after above-mentioned test data stream continues for some time, can on spectrum analyzer, obtain and the relevant radio-frequency (RF) index of AP radio frequency output, for example radio-frequency power, emission spectrum template, spurious emissions, emission spectrum flatness etc.; Simultaneously, in network test software Chariot, its Endpoint that receives data is sent to test result in the server of operation control end, and test result is shown in above-mentioned control end, these test results generally include transmission rate, packet loss, the error rate etc.

After above-mentioned steps is finished, this test is just finished, but in some cases, may wish to test once more or change under the situation of parameter (mainly being transmitting power) of AP and test once more, at this moment, can be under operating personnel's control, repeating step S23-S27, and when step S23, change configuration parameter, reach under the situation of different AP transmitting powers test radio-frequency power and other network indexes to AP.Certainly, when above-mentioned situation, revise its configuration in the time of also can disposing its Endpoint at the control end of network test software Chariot, change its parameter, for example, change its test script to change the project of its test, the size that changes its test packet is to check the performance of its link under the different situation of network pressure etc.

The present invention has also disclosed a kind of system for carrying out said process that is used to realize, Fig. 3 shows the structural representation of the embodiment of this system.As shown in Figure 3, this system comprises wlan device to be tested 13, attenuator 14, radio frequency testing equipment 15, server 11, client 31 and the test platform of setting up respectively on described server 11 and client 31; Wherein: the network interface of server 11 is connected with the network interface of wlan device to be tested 13, controls wlan device 13 to be tested, for wlan device to be tested 13 provides data flow and receives data flow from described WLAN; The radio-frequency (RF) output end of wlan device 13 to be tested is connected the rf inputs of radio frequency testing equipment 15 by attenuator 14 usefulness coaxial cables; Dispose the wave point suitable on the client 31, and the wireless connections 32 of setting up by this wave point, wlan device 13 to be tested are connected with server 11 with wlan device to be tested 13; Test platform is based upon respectively on server 11 and the client 31.In the present embodiment, employed testing software is Chariot, because Chariot is made of control end and Endpoint (software name), and test traffic transmits between two Endpoint, by Endpoint test result is sent to control end again, so on server 11, set up control end and an Endpoint of Chariot, and on client 31, set up another Endpoint, by the control end on the server 11 Endpoint on the server is configured, between two Endpoint, transmit test data then, thereby reach the purpose of network (comprising client 31 and the wireless connections 32 of the setting up thereof) performance index that detect between server 11 and the client 31 with equipment 13 to be tested.In the present embodiment, because wlan device 13 to be tested just has the appearance of radiofrequency signal when having data to transmit, this radiofrequency signal carries out can producing certain radio-frequency leakage in the radio-frequency (RF) index test being sent to radio frequency testing equipment 15 by attenuator 14, and above-mentioned installation with the client 31 of the suitable wave point of wlan device to be tested be exactly to have utilized the radiofrequency signal of these leakages to set up network link with the formed wireless connections 32 of wave point of client 31 and by described wlan device to be tested 13 and server 11.In above-mentioned network link, its signal flow is to two approach are arranged: one is to flow to client 13 by server 11, and another is to flow to server 11 by client 13; In the previous case, its test data stream passes through the Endpoint on Endpoint on the server 11, wlan device 13 to be measured, wireless connections 32, the client 31 successively; Under latter event, its test data stream passes through Endpoint on the client 13, wireless connections 32, wlan device 13 to be measured, the Endpoint on the server 11 successively; The flow direction of test data stream is that the control end by the Chariot of testing software determines when its responding terminal (being Endpoint) dispose.In the present embodiment, server 11 and client 31 are notebook computer, wlan device to be tested is an AP (wireless access point device, Access Point), and with the wireless network card (for example, be all IEEE802.11g) of the suitable wave point of wlan device to be tested 13 for having identical standard with wlan device 13 to be tested.

In the present embodiment, the radio-frequency (RF) output end of wlan device 13 to be measured (AP) is connected on the rf inputs of radio frequency testing equipment 15 (spectrum analyzer) by attenuator 14, the purpose that adds attenuator 14 is to adjust the intensity of the radiofrequency signal that is input to spectrum analyzer, make its incoming level that is adapted to spectrum analyzer, prevented that strong radiofrequency signal from damaging spectrum analyzer.

In the present embodiment, radio frequency testing equipment 15 is spectrum analyzer, on spectrum analyzer, can record the radio-frequency (RF) index such as power, emission spectrum template, spurious emissions, emission spectrum flatness of the radiofrequency signal of input, in actual applications, according to the kind and the test condition of the radio-frequency (RF) index that will test, can also use power meter or comprehensive tester as radio frequency testing equipment.

Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.

Claims (8)

1. an indication test method that is used for wlan device is characterized in that, comprises the steps:
A) wlan device that will test is that the radio-frequency (RF) output end of WLAN devices is connected to radio frequency testing equipment, constitutes the radio frequency testing loop;
B) server is linked to each other with the line end that has of described wlan device, make the client that has wave point receive radiofrequency signal that described wlan device reveals and connect by described wlan device and server by described wave point;
C) described server and client side is equipped with network test software, and described testing software comprises control end and responding terminal, and the control end of this network test software of operation disposes this testing software on described server or client; Produce test data stream between the described network test software responding terminal on described network test software responding terminal on the server and the client, and send or receive by described wlan device;
On described radio frequency testing equipment, obtain its radio-frequency (RF) index when D) described wlan device is worked, on the control end of described network test software, obtain the Network Transmission index of described wlan device.
2. the indication test method that is used for wlan device according to claim 1 is characterized in that step B) in comprise that further described server is configured the parameter of the control radio-frequency emission power of described wlan device.
3. the indication test method that is used for wlan device according to claim 1 is characterized in that, the rf inputs of the wave point of described client and described radio frequency testing equipment is adjacent.
4. the indication test method that is used for wlan device according to claim 3 is characterized in that, described radio frequency testing loop also comprises the attenuator between the rf inputs of the radio-frequency (RF) output end that is connected described wlan device and described radio frequency testing equipment.
5. system that realizes the described method of testing of claim 1, it is characterized in that, comprise wlan device to be tested, radio frequency testing equipment, server, the test platform that the client of wave point is housed and on described server and client side, sets up respectively; Wherein:
The network interface of described server is connected with the network interface of described wlan device, controls described wlan device, for described wlan device provides data flow and receives data flow from described wlan device;
The radio-frequency (RF) output end of described wlan device is connected the rf inputs of described radio frequency testing equipment by coaxial cable;
Described client receives the radiofrequency signal of described wlan device leakage by its wave point and is connected with described server by described wlan device;
Described test platform is based upon respectively on described server and the described client, and wherein, the responding terminal of described test platform is based upon on the described server and client side, and the control end of described test platform is based upon on described server or the client.
6. system according to claim 5 is characterized in that, described radio frequency testing also comprises attenuator in the loop, and described attenuator input is connected the radio-frequency (RF) output end of described wlan device, and its output is connected the input of described radio frequency testing equipment.
7. according to any described system of claim 5-6, it is characterized in that described wlan device comprises wireless access point device.
8. according to any described system of claim 5-6, it is characterized in that described radio frequency testing equipment comprises power meter, spectrum analyzer or comprehensive tester.
CN2007101248447A 2007-12-07 2007-12-07 Test method and system for WLAN equipment index CN101184006B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101248447A CN101184006B (en) 2007-12-07 2007-12-07 Test method and system for WLAN equipment index

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007101248447A CN101184006B (en) 2007-12-07 2007-12-07 Test method and system for WLAN equipment index

Publications (2)

Publication Number Publication Date
CN101184006A CN101184006A (en) 2008-05-21
CN101184006B true CN101184006B (en) 2010-08-25

Family

ID=39449101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101248447A CN101184006B (en) 2007-12-07 2007-12-07 Test method and system for WLAN equipment index

Country Status (1)

Country Link
CN (1) CN101184006B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101909308A (en) * 2009-06-04 2010-12-08 上海共联通信信息发展有限公司 Wireless access node test and maintenance system
CN101605005B (en) * 2009-07-31 2012-09-19 中国电子科技集团公司第四十一研究所 Frequency-hopping radio station indicator testing device in half-duplex pilot frequency communication
CN101605006B (en) * 2009-07-31 2012-11-28 中国电子科技集团公司第四十一研究所 Device for testing deferred-network-entry synchronization time of frequency-hopping radio station
CN102413500B (en) * 2011-12-08 2016-08-03 深圳市共进电子股份有限公司 The method of testing of a kind of throughput of wireless network card in wireless local area network and system
CN102711137B (en) * 2012-04-24 2015-06-03 东南大学 Method and system for testing emission parameters of wireless local area network
CN103812712B (en) * 2012-11-05 2018-10-26 深圳市共进电子股份有限公司 The test method and system of throughput of network device
CN103856277A (en) * 2014-03-24 2014-06-11 武汉威士讯信息技术有限公司 Automatic testing system and method for measuring ZigBee radio frequency performance
CN104144444B (en) * 2014-07-24 2017-09-22 工业和信息化部通信计量中心 A kind of WLAN network performance test method and system
CN104410984B (en) * 2014-11-26 2018-05-29 深圳市共进电子股份有限公司 A kind of wireless access point radio frequency index testing system and test method
CN104468288B (en) * 2015-01-04 2018-04-27 中国联合网络通信集团有限公司 Terminal network data test method and device
CN105024882A (en) * 2015-07-23 2015-11-04 上海极测信息科技有限公司 C/S structure based WIFI communication testing system and method
CN106789405B (en) * 2016-12-02 2020-09-15 深圳市极致汇仪科技有限公司 Rapid test method and system for equipment to be tested
CN107592242A (en) * 2017-09-28 2018-01-16 上海斐讯数据通信技术有限公司 A kind of router radio frequency sending set parameter automatization method of testing and system
CN111934788A (en) * 2020-10-14 2020-11-13 歌尔光学科技有限公司 Radio frequency index testing method and system of head-mounted equipment and related components

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1731746A (en) * 2005-08-18 2006-02-08 上海崇正电子技术有限公司 WLAN RF index automatic test system
CN1905494A (en) * 2006-08-07 2007-01-31 信息产业部通信计量中心 System for testing space radio frequency performance of WLAN apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1731746A (en) * 2005-08-18 2006-02-08 上海崇正电子技术有限公司 WLAN RF index automatic test system
CN1905494A (en) * 2006-08-07 2007-01-31 信息产业部通信计量中心 System for testing space radio frequency performance of WLAN apparatus

Also Published As

Publication number Publication date
CN101184006A (en) 2008-05-21

Similar Documents

Publication Publication Date Title
US10411805B2 (en) Systems and methods of optical path protection for distributed antenna systems
US10153841B2 (en) Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
CN104081795B (en) Virtualize wireless network
US10128951B2 (en) Optical fiber-based distributed antenna systems, components, and related methods for monitoring and configuring thereof
US10361782B2 (en) Cabling connectivity monitoring and verification
US9112611B2 (en) Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
US6917595B2 (en) Telecommunications transmission test set
US7747740B2 (en) Troubleshooting of Wireless Client Connectivity Problems in Wireless Networks
EP2067269B1 (en) Distributed antenna communications system and method of implementing thereof
US7996004B2 (en) Wireless communication system and test method thereof, and access terminal for testing wireless communication system
EP2458792B1 (en) Wireless transmission device and self-checking method thereof
EP1613110B1 (en) Mobile network simulator apparatus
DE69932613T2 (en) ARRANGEMENT FOR PROVIDING COLLABORATION BETWEEN COMMUNICATION SYSTEMS
US5410753A (en) Mobile test set for a mobile-radio system
TWI239151B (en) Testing system and testing method for wireless communication equipment
US7443805B1 (en) Method and system for adjusting the configuration of devices in a wireless communication system
CN1787411B (en) System for testing multi-path fading of mobile terminal in mobile communication network and testing method thereof
US20040106400A1 (en) System for monitoring mobile communication performance
JP2007522709A (en) Antenna system telemetry monitoring apparatus and method using mobile communication terminal
US20040058651A1 (en) Remote interaction with a wireless device resident diagnostic interface across a wireless network
US6973600B2 (en) Bit error rate tester
US20080259868A1 (en) Wireless communication system and associated method for routing messages to wireless networks
US7450520B2 (en) Remote interface for a network device in the physical plant
US7224170B2 (en) Fault monitoring in a distributed antenna system
CN102014415B (en) Method for detecting base station feed system on line, base station system and antenna suite

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1118159

Country of ref document: HK

GR01 Patent grant
C14 Grant of patent or utility model
REG Reference to a national code

Ref country code: HK

Ref legal event code: WD

Ref document number: 1118159

Country of ref document: HK

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: SHENZHEN GUOREN COMMUNICATION CO., LTD.

Free format text: FORMER OWNER: GUOREN COMMUNICATION CO LTD., SHENZHEN

Effective date: 20150805

TR01 Transfer of patent right

Effective date of registration: 20150805

Address after: 518000 Guangdong city of Shenzhen province Nanshan District high tech park of science and technology in three Chinese central road building A building room 13F1303

Patentee after: Shenzhen compatriots limited company that communicates by letter

Address before: 518057 building of three people's road, middle science and technology, Nanshan District science and Technology Park, Shenzhen, Guangdong

Patentee before: Guoren Communication Co., Ltd., Shenzhen

Effective date of registration: 20150805

Address after: 518000 Guangdong city of Shenzhen province Nanshan District high tech park of science and technology in three Chinese central road building A building room 13F1303

Patentee after: Shenzhen compatriots limited company that communicates by letter

Address before: 518057 building of three people's road, middle science and technology, Nanshan District science and Technology Park, Shenzhen, Guangdong

Patentee before: Guoren Communication Co., Ltd., Shenzhen

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191009

Address after: Room 1403, building a, Guoren building, No. 5, Keji Zhongsan Road, gaoxinyuan Middle District, Maling community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Guoren Wireless Communication Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Nanshan District high tech park of science and technology in three Chinese central road building A building room 13F1303

Patentee before: Shenzhen compatriots limited company that communicates by letter