CN101959235B - Channel request control method and base station - Google Patents

Channel request control method and base station Download PDF

Info

Publication number
CN101959235B
CN101959235B CN 200910160033 CN200910160033A CN101959235B CN 101959235 B CN101959235 B CN 101959235B CN 200910160033 CN200910160033 CN 200910160033 CN 200910160033 A CN200910160033 A CN 200910160033A CN 101959235 B CN101959235 B CN 101959235B
Authority
CN
China
Prior art keywords
channel request
type
request
overload
threshold value
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.)
Expired - Fee Related
Application number
CN 200910160033
Other languages
Chinese (zh)
Other versions
CN101959235A (en
Inventor
刘星辰
乌毅辉
Original Assignee
ZTE Corp
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 ZTE Corp filed Critical ZTE Corp
Priority to CN 200910160033 priority Critical patent/CN101959235B/en
Priority to PCT/CN2010/072725 priority patent/WO2011006391A1/en
Publication of CN101959235A publication Critical patent/CN101959235A/en
Application granted granted Critical
Publication of CN101959235B publication Critical patent/CN101959235B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic

Abstract

The invention discloses a channel request control method and a base station. The method comprises the following steps: setting step, respectively setting a first threshold value corresponding to a channel request of each type, and setting a second threshold value corresponding to overload requests of all the types; calculating step, calculating the number of the overload requests of all the types; controlling step, abandoning the overload requests and/or the channel requests received after the number of the overload requests exceeds the second threshold value, wherein the overload requests are the channel requests of the type which are received after the number of the channel request of the type exceeds the first threshold value corresponding to the channel request of the type. The method of the invention achieves the effect that the number of the channel request is controlled by a BTS without the overload detection of the channel by the BTS.

Description

Channel request control method and base station
Technical field
The present invention relates to the communications field, in particular to a kind of channel request control method and base station.
Background technology
Along with global mobile communication (Global system for Mobile Communication, referred to as GSM) the day by day increase of network user's amount, especially work as operator and open enhanced data rates for gsm evolution technology (Enhanced Data Rate for GSM Evolution, referred to as EDGE) after the business, (the Packet Switched of packet switching in the network, referred to as PS) number of channel request rolls up, a large amount of PS and circuit switching (Circuit Switch are arranged suddenly in network, referred to as CS) during channel request, for example, the tourist attraction time period increases suddenly the renewal of a large amount of positions or router upgrades, will cause the large volumes of channels request to be trapped in base station (Base Transceiver Station, referred to as BTS) side can't be sent to base station controller (Base Station Controller, referred to as BSC) so that network can't be used at short notice.
Although existing flow-control mechanism can be alleviated to a certain extent channel request and increase suddenly the impact that network is caused, and can't carry out Flow Control to channel request at short notice, so that network load is more and more heavier, finally causes network unavailable.Its main cause is:
Existing flow-control mechanism is that BTS detects judgement channel overload, and report to BSC, by BSC sending system message informing mobile phone, so that other mobile phone of difference access level accesses according to a system message that receives, access the purpose of quantity to reach control CS and PS channel request again.But because the limited bandwidth of Abis mouth, when the channel request of CS and PS increased to some suddenly, Abis mouth flow was excessive, and the overload message that BTS detects can't be sent to BSC, causes flow-control mechanism to play a role.At this moment, owing to there not being the flow control of BSC, travelling carriage (Mobile Station is referred to as MS) can not stop the retransmission channel request when receiving the network response, can't be sent to BSC so that BTS has been detained more channel request message, so vicious circle finally causes network unavailable.
Summary of the invention
After detecting channel overload for BTS in the flow-control mechanism of correlation technique, the overload information reporting may might be caused the disabled problem of network to BSC and proposes the present invention, for this reason, main purpose of the present invention is to provide a kind of improved channel request control program, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of channel request control method.
Channel request control method according to the present invention comprises: setting steps arranges respectively every type the first threshold value corresponding to channel request, and the second threshold value corresponding to all types of overload requests is set; Statistic procedure, the quantity of adding up all types of overload requests; The control step, the quantity that is discarded in the overload request surpasses overload request and/or the channel request that receives after the second threshold value; Wherein, overload request is the channel request that surpasses the type that receives after first threshold value corresponding with the channel request of the type in the quantity of one type channel request.
Preferably, said method also comprises: periodically carry out statistic procedure and control step.
Preferably, after the control step, said method also comprises: send message to the management backstage, so that the management backstage is determined at least according to message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.
Preferably, before the quantity of all types of overload requests of statistics, said method also comprises: the receive channel request, and judge the type of the channel request receive.
Preferably, after the type of the channel request that judgement receives, said method also comprises: the quantity of adding up respectively every type the channel request that receives.
Preferably, the first threshold value is determined according to the capacity of what and/or link of the traffic carrying capacity corresponding with every type channel request; The second threshold value is determined according to the disposal ability of base station and/or the capacity of link.
To achieve these goals, according to a further aspect in the invention, provide a kind of base station.
Base station according to the present invention comprises: one or more the first counters, be used for respectively the quantity of one type channel request is counted, and wherein, the number of the first counter is identical with the number of the type of channel request; First arranges module, is used for arranging respectively every type the first threshold value corresponding to channel request; The second counter is used for all types of overload requests are counted, and wherein, the overload request is the channel request that surpasses the type that receives after the first threshold value corresponding to its channel request of counting in the count value of the first counter; Second arranges module, is used for arranging the second threshold value corresponding to overload request; Control module is used for being discarded in the count value of the second counter above the overload request and/or the channel request that receive after the second threshold value.
Preferably, above-mentioned base station also comprises: timer, for the cycle of operation that the first counter and the second counter are set; The first counter and the second counter are counted when timer begins timing again.
Preferably, above-mentioned base station also comprises: sending module is used for sending message to the management backstage, so that the management backstage is determined at least according to message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.
Preferably, above-mentioned base station also comprises: receiver module is used for the receive channel request; Judge module is for the type of judging the channel request that receives.
By the present invention, adopt BTS to add up the quantity of the channel request that receives, abandon the channel request that surpasses predetermined threshold, after having solved BTS and detecting channel overload, the overload information reporting may might be caused the disabled problem of network to BSC, and then reached BTS and need not to detect again channel and whether transship, the effect of the channel request number being controlled by BTS.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the channel request control method of the inventive method embodiment;
Fig. 2 is the schematic diagram according to the general structure of the gsm system of the embodiment of the invention;
Fig. 3 is the concrete flow chart according to the embodiment of the invention;
Fig. 4 is the structured flowchart according to the base station of apparatus of the present invention embodiment;
Fig. 5 is the structured flowchart concrete according to the base station of apparatus of the present invention embodiment.
Embodiment
Functional overview
After considering that BTS detects the channel overload in the flow-control mechanism of correlation technique, the overload information reporting may might be caused the disabled problem of network to BSC, the embodiment of the invention provides a kind of channel request control program, this scheme treatment principle is as follows: every type the first threshold value corresponding to channel request is set respectively, and the second threshold value corresponding to all types of overload requests is set; Add up the quantity of all types of overload requests; The quantity that is discarded in the overload request surpasses overload request and/or the channel request that receives after the second threshold value; Wherein, overload request is the channel request that surpasses the type that receives after first threshold value corresponding with the channel request of the type in the quantity of one type channel request.
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
In following examples, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Embodiment of the method
According to embodiments of the invention, a kind of channel request control method is provided, Fig. 1 is the flow chart according to the channel request control method of the inventive method embodiment, as shown in Figure 1, the method comprises that following step S102 is to step S106:
Setting steps S102 arranges respectively every type the first threshold value corresponding to channel request, and the second threshold value corresponding to all types of overload requests is set.Need to prove, the first threshold value is every type and all arranges one, jointly arranges one and the second threshold value is channel request for all types.
Preferably, the first threshold value can be definite according to the capacity of what and/or link of somewhere data service (PS professional) and speech business (CS is professional) amount, wherein, link can comprise: High-Level Data Link Control (High Level Data Link Controller, referred to as HDLC) link, data link layer adopt common signal channel D to carry out signalling control (Link Access Procedure on the D channel is referred to as LAPD) link.
Preferably, the second threshold value can determine according to the capacity of link and/or the disposal ability of base station, and wherein, described link can comprise: LAPD link, HDLC link.
Statistic procedure S104, the quantity of adding up all types of overload requests.
Control step S106, the quantity that is discarded in the overload request surpasses overload request and/or the channel request that receives after the second threshold value, that is and, the quantity that is discarded in the overload request surpasses all types of channel request that receive after the second threshold value; Wherein, overload request is the channel request that surpasses the type that receives after first threshold value corresponding with the channel request of the type in the quantity of one type channel request.
Preferably, above-mentioned statistic procedure S104 and control step S106 periodically carry out, namely, assumption period is T, then add up the quantity in the overload request of T in the time, and after the quantity of overload request surpasses the second threshold value, all channel request that after T abandoned in the time, receive.At next cycle at first, restart statistics.
Preferably, add up for the ease of the management backstage, BTS can send message, so that described management backstage is determined at least according to this message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped, that is, this message carries one of following at least: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.Wherein, the management backstage can be BSC.
Preferably, before step S104, receive the channel request from subscriber equipment, and judge the type of the described channel request that receives, then, add up respectively the quantity of every type the channel request that receives.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the invention.
Fig. 2 is the schematic diagram according to the general structure of the gsm system of the embodiment of the invention, as shown in Figure 2, this system comprises BTS and BSC, BSC is by (the Operation Management Center of operation maintenance center, referred to as OMC) be connected to (the Mobile Switch Center of mobile switching centre, referred to as MSC)/VLR Visitor Location Register (VisitingLocation Register, referred to as VLR), attaching position register (Home LocationRegister, referred to as HLR), (the Authorization Center of AUC, referred to as AUC) and equipment identity register (Equipment Identity Register, abbreviation EIR) is connected to MSC/VLR, base station sub-system (Base Station Systems, referred to as BSS) also be connected to MSC/VLR, MSC/VLR is connected to PSTN (PublicSwitched Telephone Network, referred to as PSTN) and integrated services digital network (Integranted Services Digital is referred to as ISDN).Only relate in the present invention BTS and BSC, Fig. 3 is the concrete flow chart according to the embodiment of the invention, below in conjunction with
Fig. 3 is described in detail.
As shown in Figure 3, the implementation step is as follows:
At first, BTS powers on, and starts the Flow Control strategy.For each channel request of receiving, according to the description of 9.1.8 joint in the agreement 3GPP TS44018 standard, judge CS channel request or PS channel request.
Then, the start-up period timer is T often when starting the Flow Control strategy.Add up respectively CS channel request number and PS channel request number in the cycle T.When the CS channel request that receives as BTS or PS channel request number reach " the CS overload threshold " or " PS overload threshold " that the backstage arranges, this CS overload threshold " and " PS overload threshold " be the first threshold value.If use integer A (initial value is 0) to do all types of channel request that statistics receives again, so, whenever again receive a CS channel request or PS channel request, then integer A adds 1, until this integer A when reaching the second threshold value that the backstage arranges, abandons other the channel request of any type that again receives in this cycle.Wherein, reserve thresholding fixedly in the write-in program.
Preferably, because the Abis port band width is certain, and that different application places requires CS traffic carrying capacity and PS traffic carrying capacity is different, and this " reservation thresholding " can balance CS traffic carrying capacity and the ratio of PS traffic carrying capacity.
Preferably, consider that the backstage need to recognize the effect of Flow Control in a period of time, can increase a BTS to the interface message on backstage, to report this section number that CS and PS channel request sum, CS and PS channel request are filtered in the time etc.
As can be seen from the above description, the present invention has realized following technique effect:
1. the Flow Control strategy is different from agreement, is realized fully by the BTS side.
2. channel request too much in certain period is filtered out in the BTS side, can not send to the Abis mouth and cause congestedly, also can not cause the hysteresis quality of Flow Control.
3. the backstage flexible setting for parameters can arrange according to different application places different threshold values to reach the demand of operator.
4. less to revising in the existing system, be convenient to existing BTS system is safeguarded.
Device embodiment
According to embodiments of the invention, a kind of base station is provided, Fig. 4 is the structured flowchart according to the base station of apparatus of the present invention embodiment one, as shown in Figure 4, this base station comprises: one or more the first counters 51, first arrange module 52, the second counter 53, second arranges module 54, control module 55, and the below is described in detail this structure.
The first counter 51 is used for respectively one type channel request being counted, and wherein, the number of the first counter is identical with the number of the type of channel request; First arranges module 52, is used for arranging respectively every type the first threshold value corresponding to channel request; The second counter 53 is connected to the first counter 51 and first module 52 is set, be used for all types of overload request counting, wherein, the overload request is that the count value of the first counter 51 is above the channel request of the type that receives after first threshold value corresponding with its channel request of counting; Second arranges module 54, is used for arranging the second threshold value corresponding to overload request; Control module 55 is connected to the second counter 53 and second module 54 is set, and is used for being discarded in the count value of the second counter above the overload request and/or the channel request that receive after the second threshold value.
Fig. 5 is the structured flowchart concrete according to the base station of apparatus of the present invention embodiment one, as shown in Figure 5, this base station can also comprise: timer 62 is connected to the first counter 51 and the second counter 53, and this timer 62 is used for arranging the cycle of operation of the first counter 51 and the second counter 53; Wherein, the first counter and the second counter are counted when timer 62 beginning timing again.
As shown in Figure 5, this base station can also comprise: sending module 64, this sending module 64 is used for sending message, so that described management backstage is determined at least according to described message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped, that is, this message carries one of following at least: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.
As shown in Figure 5, this base station can also comprise receiver module 66, judge module 68, and the below is described in detail this structure.
Receiver module 66 is used for the receive channel request; Judge module 68 is connected to receiver module 66 and the first counter 51, is used for judging the type of the channel request that receives.
The below is described in detail above-described embodiment as example to receive PS channel request and CS channel request.
The counter that the base station arranges the counter of PS channel request and CS channel request (namely, the first counter), and start-up period timer, within the cycle of timer, if the count value of the counter of PS channel request has surpassed the threshold value of PS channel request, so, if receive again the PS channel request, then transship request counter (namely, the second counter) value adds 1, if the count value of the counter of CS channel request has also surpassed the threshold value of CS channel request at this moment, then receive again the CS channel request, the value of overload request counter also adds 1.When the count value of overload request counter surpassed the second threshold value, all the PS channel request and the CS channel request that receive after control module is discarded in.If finish and begin a new time-count cycle time-count cycle of timer, then the counter of the counter of the counter of PS channel request and CS channel request and overload request all restarts counting.
In sum, by the above embodiment of the present invention, realized following technique effect:
Whether transship 1.BTS need not to detect again channel, also need not to report overload message to BSC.
2. do not rely on BSC sending system message and control the intervention of some mobile phone, reached control channel number of request purpose purpose mode, the channel request number is controlled according to the parameter of backstage configuration by BTS.
3. according to different application places, flexibly at the backstage configuration parameter, reach the purpose of control CS access number and PS access number.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a channel request control method is characterized in that, comprising:
Setting steps arranges respectively every type the first threshold value corresponding to channel request, and the second threshold value corresponding to all types of overload requests is set;
Statistic procedure, the quantity of adding up all types of overload requests;
The control step, the quantity that is discarded in described overload request surpasses overload request and/or the channel request that receives after described the second threshold value;
Wherein, described overload request is the channel request that surpasses the type that receives after first threshold value corresponding with the channel request of the type in the quantity of one type channel request;
After described control step, described method also comprises: send message to the management backstage, so that described management backstage is determined at least according to described message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.
2. method according to claim 1 is characterized in that, also comprises:
Periodic described statistic procedure and the described control step carried out.
3. method according to claim 1 and 2 is characterized in that, before the quantity of all types of overload requests of statistics, described method also comprises:
The receive channel request, and judge the type of the described channel request that receives.
4. method according to claim 3 is characterized in that, after the type of judging the described channel request that receives, described method also comprises:
Add up respectively the quantity of every type the channel request that receives.
5. method according to claim 1 and 2 is characterized in that, described the first threshold value is determined according to the capacity of what and/or link of the traffic carrying capacity corresponding with every type channel request; Described the second threshold value is determined according to the disposal ability of base station and/or the capacity of link.
6. a base station is characterized in that, comprising:
One or more the first counters are used for respectively the quantity of one type channel request is counted, and wherein, the number of described the first counter is identical with the number of the type of channel request;
First arranges module, is used for arranging respectively every type the first threshold value corresponding to channel request;
The second counter is used for all types of overload requests are counted, and wherein, described overload request is the channel request that surpasses the type that receives after the first threshold value corresponding to its channel request of counting in the count value of the first counter;
Second arranges module, is used for arranging the second threshold value corresponding to overload request;
Control module is used for being discarded in the count value of described the second counter above the overload request and/or the channel request that receive after described the second threshold value;
Described base station also comprises: sending module is used for sending message to the management backstage, so that described management backstage is determined at least according to described message is one of following: the quantity of the channel request of the quantity of the channel request of each type, each type that is dropped.
7. base station according to claim 6 is characterized in that, also comprises:
Timer is for the cycle of operation that described the first counter and described the second counter are set;
Described the first counter and described the second counter are counted when described timer begins timing again.
8. according to claim 6 or 7 described base stations, it is characterized in that, also comprise:
Receiver module is used for the receive channel request;
Judge module is for the type of judging the described channel request that receives.
CN 200910160033 2009-07-17 2009-07-17 Channel request control method and base station Expired - Fee Related CN101959235B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 200910160033 CN101959235B (en) 2009-07-17 2009-07-17 Channel request control method and base station
PCT/CN2010/072725 WO2011006391A1 (en) 2009-07-17 2010-05-13 Method and base station for channel request control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200910160033 CN101959235B (en) 2009-07-17 2009-07-17 Channel request control method and base station

Publications (2)

Publication Number Publication Date
CN101959235A CN101959235A (en) 2011-01-26
CN101959235B true CN101959235B (en) 2013-01-16

Family

ID=43448919

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200910160033 Expired - Fee Related CN101959235B (en) 2009-07-17 2009-07-17 Channel request control method and base station

Country Status (2)

Country Link
CN (1) CN101959235B (en)
WO (1) WO2011006391A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1909523A (en) * 2006-08-17 2007-02-07 华为技术有限公司 Detector, calling dialogue control system and method for detecting calling signal
CN101005695A (en) * 2006-01-18 2007-07-25 华为技术有限公司 Method and system for connecting contlict aviodance in radio communication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2311410A1 (en) * 1999-08-06 2001-02-06 Spacebridge Networks Corporation Soft, prioritised early packet discard system
US7466983B2 (en) * 2000-09-01 2008-12-16 Telefonaktiebolaget L M Ericsson (Publ) Overload protection in packet communication networks
CN100391277C (en) * 2006-03-29 2008-05-28 华为技术有限公司 Monitoring method for notifying channel load

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101005695A (en) * 2006-01-18 2007-07-25 华为技术有限公司 Method and system for connecting contlict aviodance in radio communication
CN1909523A (en) * 2006-08-17 2007-02-07 华为技术有限公司 Detector, calling dialogue control system and method for detecting calling signal

Also Published As

Publication number Publication date
WO2011006391A1 (en) 2011-01-20
CN101959235A (en) 2011-01-26

Similar Documents

Publication Publication Date Title
KR101256293B1 (en) System and method for heartbeat signal generation
CN101170488B (en) Service network congestion control method and device
CN100414882C (en) Wireless network controller storage resource monitoring method and system
CN101015196A (en) System and method for processing idle in wireless network
US7920862B2 (en) System and method for improved IMEI registration
EP2728927B1 (en) Communication system and base station device
US20010026538A1 (en) Method and system for exchange of multicall capabilities between terminal and network
CN109996216B (en) Subscription request processing method, network entity and capability opening platform
CN102017665A (en) System and method for managing communications in cells within a cellular communication system
JP2002305763A (en) Mobile data network
JPWO2006101168A1 (en) Call admission control system and call admission control method
CN101453742A (en) Cell updating method, equipment and system
WO2009012667A1 (en) Method and device for performing control to user access
CN102111741B (en) Charging implement method and device
CN103430602A (en) A method of user equipment indication of traffic-related information to network
CN103298023A (en) Method and device for detecting terminal heartbeat
CN106612521B (en) Method for eliminating paging sub-channel congestion and wireless network control equipment
CN102196378B (en) Short message service access control method and base station subsystem
CN101959235B (en) Channel request control method and base station
CN103327193B (en) Method of handling a packet-temporary mobile subscriber identity change and related mobile device
CN101179355B (en) Method of controlling flow between base station and wireless network controller
CN106465176A (en) Congestion monitoring of mobile entities
US20060193303A1 (en) Radio network controller
CN101223803A (en) Call gapping to reduce network congestion in wireless communication system
CN103634841A (en) Congestion control method and device

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
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171229

Address after: 065700 Yang Zhuang village, Bazhou, Bazhou City, Langfang, Hebei Province, No. 963

Patentee after: Liu Panpan

Address before: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No.

Patentee before: ZTE Corporation

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Liu Panpan

Inventor before: Liu Xingchen

Inventor before: Wu Yihui

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20180717