CN101583153A - Method and system for cell-to-cell information interaction and base station - Google Patents

Method and system for cell-to-cell information interaction and base station Download PDF

Info

Publication number
CN101583153A
CN101583153A CNA2008101116160A CN200810111616A CN101583153A CN 101583153 A CN101583153 A CN 101583153A CN A2008101116160 A CNA2008101116160 A CN A2008101116160A CN 200810111616 A CN200810111616 A CN 200810111616A CN 101583153 A CN101583153 A CN 101583153A
Authority
CN
China
Prior art keywords
information
base station
sub
district
cell
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
Application number
CNA2008101116160A
Other languages
Chinese (zh)
Other versions
CN101583153B (en
Inventor
毛磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
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 Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Priority to CN2008101116160A priority Critical patent/CN101583153B/en
Publication of CN101583153A publication Critical patent/CN101583153A/en
Application granted granted Critical
Publication of CN101583153B publication Critical patent/CN101583153B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and a system for cell-to-cell information interaction and a base station. According to the technical proposal of the invention, a central cell and each cell in each cell circle surrounding the central cell receive information sent by a neighbor cell in an outer cell circle and pack self-information and information from a common neighbor cell shared with the cell of the incoming information in one signaling to be sent to the cell of the incoming information. The proposal of the invention reduces information interactions in the whole communication system and correspondingly reduces the processing tasks of eNBs and the load of the interface links between the eNBs.

Description

Cell-to-cell information interaction method and system and base station
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of cell-to-cell information interaction method and system and base station.
Background technology
In radio honeycomb communication system, each minizone is separate work basically, but also can carry out the process that coordinate some minizones, this just need be in these minizones some periodic information alternately, as information such as presence of intercell interference indication, load balancings.Therefore the mutual of this periodical information need be a requisite process in the minizone interactive information in the inter-cell transmissions of neighbor cell each other only often.
With Long Term Evolution (LTE, Long Term Evolution) system is an example, in order to reach the simplification signaling process, shorten the purpose that postpones, (eNB eNodeB) forms Evolved UTRAN in the LTE system (E-UTRAN, Evolutional Universal Terrestrial Radio Access Network) by the base station fully, adopt the grid mode to interconnect between the eNB, the architectural schematic of E-UTRAN as shown in Figure 1.
In E-UTRAN, can suppose to have between the eNB X2 interface of multi-to-multi annexation, may exist in certain zone all to have the X2 interface connection between all eNB.The main effect of X2 interface is to support the mobility of the subscriber equipment (UE, User Equipment) under the LTE-ACTIVE state and many cell radio resources management (RRM, Radio Resource Management) function.
X2 interface is divided from functional perspective can be divided into user plane and control plane.Wherein X2-C is the control plane interface between the eNB, and the wireless network layer protocol function of X2-C comprises:
(1) mobility functions: support UE moving between eNB, comprise the functions such as tunnel control of switching command, user plane;
(2) many sub-districts RRM function: support many sub-districts RRM, function such as for example metrical information is mutual;
(3) general X2 interface is managed and the fault processing function.
Wherein X2-U is the user plane interface between the eNB, and the X2-U interface is supported the tunnel transmission of user grouping packet between eNB.
In order to realize the information interaction between the eNB, need between all adjacent eNB, carry out message transmission twice.For example, certain eNB has 6 eNB that are adjacent, and this eNB need send to the information of oneself respectively 6 adjacent eNB so; Also can receive the information that 6 adjacent eNB send over respectively simultaneously, the primary information that just can finish this eNB is mutual.
Though present information interacting method is simple, need to carry out message transmission twice between per two adjacent eNB, to add up from whole system, the number of times of information interaction is very many, will increase the Processing tasks of eNB, and the docking port link causes bigger load.
Summary of the invention
In view of this, the invention provides a kind of cell-to-cell information interaction method and system, in order to solve exist in the prior art because information interaction times is more, and the eNB Processing tasks that causes increases and the problem of interface link load increase.
Corresponding, the present invention also provides the base station that is used for cell-to-cell information interaction.
The invention provides following technical scheme:
A kind of cell-to-cell information interaction method, the method comprising the steps of:
Center cell receives the information that send each sub-district in the peripheral cell adjacent with self, and carries out at each sub-district in the described peripheral cell:
The information of self information and the sub-district simultaneously adjacent with self and this sub-district is encapsulated in the signaling sends to this sub-district.
A kind of cell-to-cell information interaction method, the method comprising the steps of:
Each circle each sub-district in sub-district that is in the center cell periphery receives the information that send each sub-district adjacent with self in the sub-district, outer ring of self one circle sub-district, place, and carries out at each sub-district of sending information:
The sub-district of sending information with self information and with self and this is adjacent and information that be in the sub-district in the sub-district, described outer ring simultaneously, is encapsulated in the signaling and sends to the sub-district that this sends information.
A kind of base station comprises:
Information receiving unit is used for receiving the information that send each base station of the peripheral base stations adjacent with center base station;
Information transmitting unit is used for carrying out at each base station of the peripheral base stations adjacent with center base station: the information of center base station information and the base station simultaneously adjacent with center base station and this base station is encapsulated in the signaling sends to this base station.
A kind of base station comprises:
Information receiving unit is used for receiving the base station, outer ring at a cycle basis station at place, described base station, the information that send each base station adjacent with described base station;
Information transmitting unit is used for sending the adjacent and information that be in the base station of base station, described outer ring of base station while of information with described base station information and with described base station and this, is encapsulated in the signaling and sends to the base station that this sends information.
A kind of cell-to-cell information interaction system comprises first base station and second base station, wherein:
First base station is used for receiving the information that send each base station of the peripheral base stations adjacent with center base station; And carry out: the information of center base station information and the base station simultaneously adjacent with center base station and this base station is encapsulated in the signaling sends to this base station at each base station in the peripheral base stations adjacent with center base station;
Second base station is used for receiving the base station, outer ring at a cycle basis station at place, described second base station, the information that send each base station adjacent with described second base station; And
Send the adjacent and information that be in the base station in the base station, described outer ring of base station while of information with described second base station information and with described second base station and this, be encapsulated in the signaling and send to the base station that this sends information.
The information that technical solution of the present invention is sent by each sub-district adjacent with self in the sub-district, outer ring of each sub-district reception in each circle sub-district of center cell and center cell periphery self one circle sub-district, place, and be encapsulated in the signaling with self information and with information that self and this are sent simultaneously adjacent sub-district, the sub-district of information and send to the sub-district that this sends information, make the information interaction times of whole communication system reduce, also just reduced the Processing tasks of each eNB and the load of the interface link between each eNB accordingly.
Description of drawings
Fig. 1 is in the prior art, LTE system Access Network configuration diagram;
Fig. 2 is in the embodiment of the invention, cell-to-cell information interaction method flow schematic diagram;
Fig. 3 is in the embodiment of the invention, and center cell receives the information schematic diagram;
Fig. 4 is in the embodiment of the invention, and center cell sends the information schematic diagram;
Fig. 5 is in the embodiment of the invention, and No. 6 sub-districts and No. 1 sub-district receive the information schematic diagram;
Fig. 6 is in the embodiment of the invention, and No. 6 sub-districts and No. 1 sub-district send the information schematic diagram;
Fig. 7 is in the embodiment of the invention, the first architecture of base station schematic diagram;
Fig. 8 is in the embodiment of the invention, the second architecture of base station schematic diagram.
Embodiment
In the embodiment of the invention, the information that send each sub-district adjacent with self in the sub-district, outer ring of each sub-district reception in each circle sub-district of center cell and center cell periphery self one circle sub-district, place, and with self information, and be encapsulated in the signaling with information that self and this are sent simultaneously adjacent sub-district, the sub-district of information and send to the sub-district that this sends information, thereby reduced the information interaction times between each eNB in the wireless communication system, each eNB Processing tasks of having avoided causing owing to information interaction times between each eNB is more in the prior art increase and each eNB between the problem that increases of interface link load.
Below in conjunction with Figure of description the embodiment of the invention is elaborated.
As shown in Figure 2, the flow chart of the medium and small block information exchange method of the embodiment of the invention mainly may further comprise the steps:
Step 201: center cell receives the information that send each sub-district in the peripheral cell adjacent with self;
Step 202: center cell is encapsulated in the information of self information and the sub-district simultaneously adjacent with self and this sub-district in the signaling and sends to this sub-district;
Step 203: each circle each sub-district in sub-district that is in the center cell periphery receives the information that send each sub-district adjacent with self in the sub-district, outer ring of self one circle sub-district, place, and carries out at each sub-district of sending information:
Step 204: the sub-district of sending information with self information and with self and this is adjacent and information that be in the sub-district in the sub-district, described outer ring simultaneously, is encapsulated in the signaling and sends to the sub-district that this sends information.
In above-mentioned steps 201 to step 204, comprise in the mutual information in minizone the sub-district ID that is used to identify respective cell and with the cell information of sub-district ID corresponding district.
Provide more specifically execution mode below, in this embodiment, at first set in advance the relative position relation tables of data of minizone, and be saved in the database of each eNB;
With reference to Fig. 3, determine that No. 0 sub-district is a center cell, No. 0 the sub-district will be as the execution starting point of whole information interactive process.
The peripheral cell adjacent with No. 0 sub-district is No. 1 to No. 6 sub-district, and No. 0 sub-district receives the information that send No. 1 to No. 6 sub-district.
No. 0 the sub-district obtains according to the relation database table that pre-sets: No. 1 the sub-district is adjacent with No. 2, No. 6 sub-districts, and No. 2 the sub-district is adjacent with No. 1, No. 3 sub-districts, and the like.
With reference to Fig. 4, No. 0 the sub-district concerns according to above-mentioned position when reverse transfer information, with the information of the information of the information of self, No. 2 sub-districts, No. 6 sub-districts and the sub-district ID of above-mentioned three sub-districts, is encapsulated in and sends to No. 1 the sub-district in the signaling.In like manner, No. 0 sub-district sends in the signaling of No. 2 sub-districts and comprises the information of the information of the information of self, No. 1 sub-district, No. 3 sub-districts and the sub-district ID of above-mentioned three sub-districts, and the rest may be inferred.According to the method, when information interaction was finished in No. 0 sub-district and No. 1 to No. 6 sub-district, the mutual of information also just finished in adjacent minizone in No. 1 to No. 6 sub-district.
With reference to Fig. 5, No. 1 to No. 6 sub-district receives the information that send each sub-district adjacent with self in the sub-district, outer ring of self one circle sub-district, place respectively.For example: the sub-district adjacent with No. 6 sub-districts is No. 7, No. 8 and No. 9 sub-districts in the sub-district, outer ring of a circle sub-district at place, No. 6 sub-districts, and No. 6 the sub-district receives this three information that send the sub-district; In like manner, the sub-district adjacent with No. 1 sub-district is No. 9, No. 10 and No. 11 sub-districts in the sub-district, outer ring of a circle sub-district at place, No. 1 sub-district, and No. 1 the sub-district receives this three information that send the sub-district; The rest may be inferred.
With No. 6 sub-districts is example, obtains according to the relation database table that pre-sets:
The sub-district simultaneously adjacent with No. 8 sub-districts with No. 6 sub-districts is No. 7 and No. 9 sub-districts, and No. 7 and No. 9 two sub-districts are all in the sub-district, outer ring that place, No. 6 sub-districts one is enclosed in the sub-district;
The sub-district simultaneously adjacent with No. 9 sub-districts with No. 6 sub-districts is No. 1 and No. 8 sub-districts, and No. 1 sub-district is in a circle sub-district at place, No. 6 sub-districts, and No. 8 sub-districts are in the sub-district, outer ring that place, No. 6 sub-districts one is enclosed in the sub-district;
The sub-district simultaneously adjacent with No. 7 sub-districts with No. 6 sub-districts is No. 8 and No. 5 sub-districts, and No. 5 sub-districts are in a circle sub-district at place, No. 6 sub-districts, and No. 8 sub-districts are in the sub-district, outer ring that place, No. 6 sub-districts one is enclosed in the sub-district.
With reference to Fig. 6, No. 6 sub-districts are encapsulated in the sub-district ID of the information of the information of self information, No. 7 sub-districts, No. 9 sub-districts and above-mentioned three sub-districts and send to No. 8 the sub-district in the signaling.In like manner, No. 6 sub-districts send in the signaling of No. 9 sub-districts and comprise the information of the information of the information of self, No. 8 sub-districts, No. 1 sub-district and the sub-district ID of above-mentioned three sub-districts, issue in the signaling of No. 7 sub-districts to comprise the information of the information of the information of self, No. 8 sub-districts, No. 5 sub-districts and the sub-district ID of above-mentioned three sub-districts.
In the above-mentioned steps, No. 9 sub-districts have obtained the information of No. 6 sub-districts, No. 8 sub-districts and No. 1 sub-district by the signaling of No. 6 sub-district transmissions, in addition, No. 9 sub-districts have obtained the information of No. 6 sub-districts, No. 10 sub-districts and No. 1 sub-district by the signaling of No. 1 sub-district transmission, promptly the information of No. 1 and No. 6 sub-district has been repeated to receive in No. 9 sub-districts, for fear of this kind repetition, when No. 1 to No. 6 sub-district reverse transfer information, can adopt following method:
Because No. 1 sub-district is in a circle sub-district at place, No. 6 sub-districts, and in the sub-district, outer ring of No. 8 sub-districts in a circle sub-district at place, No. 6 sub-districts, so No. 6 the sub-district only comprises the information of the information of self, No. 8 sub-districts and the sub-district ID of above-mentioned two sub-districts in the signaling that sends to No. 9 sub-districts, and needn't comprise the information and the corresponding ID thereof of No. 1 sub-district again.
In like manner, because No. 5 sub-districts are in a circle sub-district at place, No. 6 sub-districts, and in the sub-district, outer ring of No. 8 sub-districts in a circle sub-district at place, No. 6 sub-districts, so No. 6 sub-districts only comprise the information of the information of self, No. 8 sub-districts and the sub-district ID of above-mentioned two sub-districts in the signaling that sends to No. 7 sub-districts.
Continue to adopt above-mentioned identical method to come the sub-district of interactive information is not handled.
According to above-mentioned processing procedure as can be known, when adopting the present invention program to carry out cell-to-cell information interaction, in each circle each sub-district in sub-district of center cell periphery and the one circle sub-district, place adjacent minizone again transmission information mutually finish information alternately, but finish by the information interaction that minizone adjacent with self in the inner ring sub-district of sub-district is enclosed at self and self place one, this has just reduced the information interaction times of entire wireless communication system, thereby has also just reduced the Processing tasks of each eNB and the load of the interface link between each eNB.
As shown in Figure 7, first base station comprises in the embodiment of the invention:
Information receiving unit 701 is used for receiving the information that send each base station of the peripheral base stations adjacent with center base station;
Information transmitting unit 702 is used for carrying out at each base station of the peripheral base stations adjacent with center base station: the information of center base station information and the base station simultaneously adjacent with center base station and this base station is encapsulated in the signaling sends to this base station.
As shown in Figure 8, second base station comprises in the embodiment of the invention:
Information receiving unit 801 is used for receiving the base station, outer ring at a cycle basis station at place, described base station, the information that send each base station adjacent with described base station;
Information transmitting unit 802 is used for sending the adjacent and information that be in the base station of base station, described outer ring of base station while of information with described base station information and with described base station and this, is encapsulated in the signaling and sends to the base station that this sends information.
The embodiment of the invention also provides a kind of cell-to-cell information interaction system, comprising: first base station and second base station.
In addition, the cell-to-cell information interaction method and system that provide of the embodiment of the invention are applicable to all communication systems that UTRAN is made up of the base station fully.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (7)

1, a kind of cell-to-cell information interaction method is characterized in that, comprises step:
Center cell receives the information that send each sub-district in the peripheral cell adjacent with self, and carries out at each sub-district in the described peripheral cell:
The information of self information and the sub-district simultaneously adjacent with self and this sub-district is encapsulated in the signaling sends to this sub-district.
2, the method for claim 1 is characterized in that, comprise in the described information sub-district ID that is used to identify respective cell and with the cell information of sub-district ID corresponding district.
3, a kind of cell-to-cell information interaction method, it is characterized in that, each circle each sub-district in sub-district that is in the center cell periphery receives the information that send each sub-district adjacent with self in the sub-district, outer ring of self one circle sub-district, place, and carries out at each sub-district of sending information:
The sub-district of sending information with self information and with self and this is adjacent and information that be in the sub-district in the sub-district, described outer ring simultaneously, is encapsulated in the signaling and sends to the sub-district that this sends information.
4, method as claimed in claim 3 is characterized in that, comprise in the described information sub-district ID that is used to identify respective cell and with the cell information of sub-district ID corresponding district.
5, a kind of base station is characterized in that, comprising:
Information receiving unit is used for receiving the information that send each base station of the peripheral base stations adjacent with center base station;
Information transmitting unit is used for carrying out at each base station of the peripheral base stations adjacent with center base station: the information of center base station information and the base station simultaneously adjacent with center base station and this base station is encapsulated in the signaling sends to this base station.
6, a kind of base station is characterized in that, comprising:
Information receiving unit is used for receiving the base station, outer ring at a cycle basis station at place, described base station, the information that send each base station adjacent with described base station;
Information transmitting unit is used for sending the adjacent and information that be in the base station of base station, described outer ring of base station while of information with described base station information and with described base station and this, is encapsulated in the signaling and sends to the base station that this sends information.
7, a kind of cell-to-cell information interaction system is characterized in that, comprises first base station and second base station, wherein:
First base station is used for receiving the information that send each base station of the peripheral base stations adjacent with center base station; And carry out: the information of center base station information and the base station simultaneously adjacent with center base station and this base station is encapsulated in the signaling sends to this base station at each base station in the peripheral base stations adjacent with center base station;
Second base station is used for receiving the base station, outer ring at a cycle basis station at place, described second base station, the information that send each base station adjacent with described second base station; And
Send the adjacent and information that be in the base station in the base station, described outer ring of base station while of information with described second base station information and with described second base station and this, be encapsulated in the signaling and send to the base station that this sends information.
CN2008101116160A 2008-05-15 2008-05-15 Method and system for cell-to-cell information interaction and base station Active CN101583153B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101116160A CN101583153B (en) 2008-05-15 2008-05-15 Method and system for cell-to-cell information interaction and base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101116160A CN101583153B (en) 2008-05-15 2008-05-15 Method and system for cell-to-cell information interaction and base station

Publications (2)

Publication Number Publication Date
CN101583153A true CN101583153A (en) 2009-11-18
CN101583153B CN101583153B (en) 2010-12-01

Family

ID=41365051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101116160A Active CN101583153B (en) 2008-05-15 2008-05-15 Method and system for cell-to-cell information interaction and base station

Country Status (1)

Country Link
CN (1) CN101583153B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102104996A (en) * 2010-08-12 2011-06-22 电信科学技术研究院 Method, equipment and system for transmitting and receiving interface connectivity information
CN102917379A (en) * 2011-08-04 2013-02-06 中兴通讯股份有限公司 Load information interactive method and system
WO2015010235A1 (en) * 2013-07-22 2015-01-29 华为技术有限公司 Co-cell frequency planning method and device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100584098C (en) * 2007-10-30 2010-01-20 华为技术有限公司 Exchange method for radio networking configuration information and radio network access device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102104996A (en) * 2010-08-12 2011-06-22 电信科学技术研究院 Method, equipment and system for transmitting and receiving interface connectivity information
WO2012019553A1 (en) * 2010-08-12 2012-02-16 电信科学技术研究院 Method, device and system for sending and receiving interface connectivity information
CN102104996B (en) * 2010-08-12 2016-02-24 电信科学技术研究院 The transmission of interface connectivity information and method of reseptance, equipment and system
CN102917379A (en) * 2011-08-04 2013-02-06 中兴通讯股份有限公司 Load information interactive method and system
CN102917379B (en) * 2011-08-04 2017-09-26 南京中兴软件有限责任公司 Load information interactive method and system
WO2015010235A1 (en) * 2013-07-22 2015-01-29 华为技术有限公司 Co-cell frequency planning method and device
CN103650560B (en) * 2013-07-22 2017-09-29 华为技术有限公司 The frequency planning method and equipment of common cell

Also Published As

Publication number Publication date
CN101583153B (en) 2010-12-01

Similar Documents

Publication Publication Date Title
EP3328155B1 (en) Method, base station, and user equipment for implementing carrier aggregation
EP2545744B1 (en) Relaying in a communication system
CN102598786B (en) Switching method between base stations, base stations and communication system
EP2862398B1 (en) A method and node for paging in a radio access network
JP2015092718A (en) Radio communication system, radio communication method, radio station, control station, and program
WO2016161759A1 (en) Data transmission method and device
JP2018033143A (en) Method for device-to-device communication and corresponding control method
CN103202092A (en) A method and a network node for sharing information over an interface in a telecommunications system
CN102014449A (en) User equipment switching method and home evolved base station
CN108633108B (en) Access control method, access method, device, base station, user equipment and entity
JP2007088794A (en) Radio communication terminal, radio base station, communication control method and communication control program
TWI775009B (en) Base station and data transmission method thereof for mobile communication system
JP6697095B2 (en) Communication method and communication device
CN101583153B (en) Method and system for cell-to-cell information interaction and base station
US20140022998A1 (en) Base station, communication system, and communication method
WO2017032124A1 (en) Communication method and base station
CN107820288B (en) D2D-based mobile management method and device and storage equipment
CN103546930A (en) Method for cell switchover suitable for TD-LTE public network trunking system
CN104254998A (en) Method to notify node in multi-point transmission
EP2945421B1 (en) Method, apparatus and network device for acquiring adjacent relation between network nodes
CN114071610A (en) Switching method, device and related equipment
EP3075183A1 (en) Method, apparatus and computer program
WO2023045768A1 (en) Communication method and related apparatus
EP4366444A1 (en) Communication method and communication apparatus
CN105142152A (en) Wireless communication system control method

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
ASS Succession or assignment of patent right

Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY

Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD.

Effective date: 20110429

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 29, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100191 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20110429

Address after: 100191 Haidian District, Xueyuan Road, No. 40,

Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Address before: 100083 Haidian District, Xueyuan Road, No. 29,

Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd.

CP01 Change in the name or title of a patent holder

Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

CP01 Change in the name or title of a patent holder
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210526

Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing

Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd.

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY