CN104411011B - Femto cell, clock server time service, synchronous method and system - Google Patents

Femto cell, clock server time service, synchronous method and system Download PDF

Info

Publication number
CN104411011B
CN104411011B CN201410707721.6A CN201410707721A CN104411011B CN 104411011 B CN104411011 B CN 104411011B CN 201410707721 A CN201410707721 A CN 201410707721A CN 104411011 B CN104411011 B CN 104411011B
Authority
CN
China
Prior art keywords
time service
femto cell
clock server
base station
identification code
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.)
Active
Application number
CN201410707721.6A
Other languages
Chinese (zh)
Other versions
CN104411011A (en
Inventor
宋鑫
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.)
GCI Science and Technology Co Ltd
Original Assignee
GCI Science and Technology 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 GCI Science and Technology Co Ltd filed Critical GCI Science and Technology Co Ltd
Priority to CN201410707721.6A priority Critical patent/CN104411011B/en
Publication of CN104411011A publication Critical patent/CN104411011A/en
Application granted granted Critical
Publication of CN104411011B publication Critical patent/CN104411011B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of femto cell, clock server time service, synchronous method and system, wherein synchronous method, including:Time service synchronization request and base station identification code are sent to clock server by femto cell;Time service synchronization request and base station identification code are received using clock server, detect the time service synchronization request quantity received in current slot, when the time service synchronization request quantity of reception is less than or equal to preset value, being sent to the corresponding femto cell of base station identification code allows link order;When the time service synchronization request quantity of reception is more than preset value, forbid link order to the corresponding femto cell transmission of base station identification code;It is received by femto cell when allowing link order, sends unitcast request to clock server, receive when forbidding link order, be spaced after the first preset time and send time service synchronization request and base station identification code to clock server;Unitcast request is received using clock server, time service operation is carried out to the femto cell.The present invention reduces network risks and cost.

Description

Femto cell, clock server time service, synchronous method and system
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of femto cell, clock server time service, synchronization Method and system.
Background technology
The method of synchronization of the femto cell (Femto) used at present and clock server (IPCLK), can be by standard 1588 Agreement carries out communication and clock time service, i.e., is communicated by the specification message of 1588 agreements.During femto cell practical application, When user's booting femto cell, after selecting 1588 clock synchronization modes, femto cell sends time service synchronization to clock server please It asks, clock server receives the request of femto cell, and femto cell can quickly connect clock server and synchronize.
Clock server needs certain network bandwidth, femto cell is more, and clock server needs to femto cell time service The bandwidth wanted is bigger.With the development of science and technology, the online usage amount of femto cell can be increasing.In order to which clock server can be with Meet the time service needs of more femto cell, using the method for synchronization of traditional femto cell and clock server, clock can be taken The excessive bandwidth of device occupancy of being engaged in, so as to cause the technical risk and cost risk of network.
Invention content
Based on this, it is necessary to excessive bandwidth is occupied for due to clock server, so as to cause the technical risk of network With cost risk problem, a kind of femto cell, clock server time service, synchronous method and system are provided.
Method from a kind of clock server to femto cell time service, including:
Obtain time service synchronization request and the base station identification code that femto cell is sent;
Detect the time service synchronization request quantity received in current slot, be less than when the time service synchronization request quantity of reception or During equal to preset value, being sent to the corresponding femto cell of the base station identification code allows link order, receives femto cell and returns Unitcast request, to the femto cell carry out time service operation;When the time service synchronization request quantity of reception is more than preset value, to Link order is forbidden in the corresponding femto cell transmission of the base station identification code.
Method from above-mentioned clock server to femto cell time service, by receive femto cell send time service synchronize When request and base station identification code, the time service synchronization request quantity of reception in detection current slot is asked when the time service of reception synchronizes When seeking quantity less than or equal to preset value, being sent to the corresponding femto cell of the base station identification code allows link order, receives The unitcast request that femto cell returns carries out time service operation to the femto cell;When the time service synchronization request quantity of reception is big When preset value, forbid link order to the corresponding femto cell transmission of the base station identification code.So as to fulfill in the same time Section, only allows a certain number of femto cell incoming clock servers to carry out time service synchronization, and other femto cell do not allow then Access, ensure that the demand of base station synchronization, and under synchronization, bandwidth shared by clock server keep in a certain range, from And reduce the technical risk and cost risk of network.
A kind of method of femto cell synchronous clock server, including:
The time service synchronization request and base station identification code of this femto cell are sent to clock server;
Receive the time service link order corresponding with the base station identification code of this femto cell that the clock server returns;Its In, the time service link order includes allowing link order and forbids link order, if the clock service in current slot When the time service synchronization request quantity that device receives is less than or equal to preset value, returning allows link order;If institute in current slot When stating the time service synchronization request quantity of clock server reception more than preset value, link order is forbidden in return;
When time service link order is allows link order, unitcast request, synchronised clock service are sent to clock server Device;When time service link order is sends time service synchronization request after when forbidding link order, being spaced preset time to clock server And base station identification code.
The method of above-mentioned femto cell synchronous clock server from the angle of femto cell, is sent to clock server The time service synchronization request and base station identification code of this femto cell;Receive the base with this femto cell that the clock server returns The corresponding time service link order of station identifications code;When time service link order is allows link order, sent to clock server single Broadcast request, synchronous clock server;When time service link order is to forbid link order, to clock service after the preset time of interval Device sends time service synchronization request and base station identification code.So as to fulfill femto cell before unitcast request is sent, it is necessary to when first sending Clock service request when receiving permission link order, just sends unitcast request to clock server.And then it realizes in the same time Section, only allows a certain number of femto cell incoming clock servers to carry out time service synchronization, and other femto cell do not allow then Access, ensure that the demand of base station synchronization, and under synchronization, bandwidth shared by clock server is kept in a certain range, drop The low technical risk and cost risk of network.
A kind of synchronous method of femto cell and clock server, including:
Time service synchronization request and base station identification code are sent to clock server by femto cell;
The time service synchronization request and base station identification code are received using clock server, is received in detection current slot Time service synchronization request quantity, when the time service synchronization request quantity of reception is less than or equal to preset value, to the base station identification code Corresponding femto cell, which is sent, allows link order;When the time service synchronization request quantity of reception is more than preset value, to the base Link order is forbidden in the corresponding femto cell transmission of station identifications code;
When receiving permission link order by femto cell, unitcast request is sent to clock server, receives and forbids During link order, it is spaced after preset time and sends time service synchronization request and base station identification code to clock server;
Clock server receives unitcast request, and time service operation is carried out to the femto cell.
The synchronization system of a kind of femto cell and clock server, including clock server, set on the synchronization of femto cell Device:
Synchronizing device sends time service synchronization request and base station identification code to clock server;
Clock server receives the time service synchronization request and base station identification code, the time service received in detection current slot Synchronization request quantity when the time service synchronization request quantity of reception is less than or equal to preset value, is corresponded to the base station identification code Synchronizing device send allow link order;When the time service synchronization request quantity of reception is more than preset value, marked to the base station Know the corresponding synchronizing device transmission of code and forbid link order;
Synchronizing device is received when allowing link order, is sent unitcast request to clock server, is received and forbid connecting During instruction, it is spaced after preset time and sends time service synchronization request and base station identification code to clock server;
Clock server receives unitcast request, and time service operation is carried out to the femto cell.
The synchronous method and system of above-mentioned femto cell and clock server are sent by femto cell to clock server Time service synchronization request and base station identification code, clock server carry out judging time service synchronization request quantity, when the time service of reception synchronizes When number of requests is less than or equal to preset value, being sent to the corresponding femto cell of the base station identification code allows link order;When When the time service synchronization request quantity of reception is more than preset value, forbid connecting to the corresponding femto cell transmission of the base station identification code Instruction, femto cell just send unitcast request, realization and clock only when receiving permission link order to clock server The synchronization of server.It receives when forbidding link order, needs that time service could be sent to clock server after being spaced preset time Synchronization request and base station identification code re-start request, so as to fulfill in the same period, only allow a certain number of miniature bases Incoming clock server of standing carries out time service synchronization, and other femto cell do not allow then to access, and ensure that the demand of base station synchronization, And under synchronization, bandwidth shared by clock server is kept in a certain range, technical risk so as to reduce network and into This risk.
Description of the drawings
Fig. 1 is flow diagram of the clock server of the present invention to the embodiment of the method for femto cell time service;
Fig. 2 is the flow diagram of the embodiment of the method for femto cell synchronous clock server of the present invention;
Fig. 3 is the flow diagram of the synchronous method embodiment of femto cell of the present invention and clock server;
Fig. 4 is the structure diagram of the synchronization system embodiment of femto cell of the present invention and clock server.
Specific embodiment
The present invention is described in further detail with reference to embodiment and attached drawing, but embodiments of the present invention are not limited to This.
As shown in Figure 1, be clock server of the present invention to the flow diagram of the embodiment of the method for femto cell time service, packet It includes:
Step S101:Obtain time service synchronization request and the base station identification code that femto cell is sent;
Base station identification code is a kind of code for identifying femto cell, and each femto cell has unique base station identification code.Time service Synchronization request is to authorize the request for carrying out time service synchronization, that is, authorizes the power that femto cell sends unitcast request to clock server Profit.When femto cell needs to access clock server, time service synchronization request and base station identification code are first sent.
Step S102:The time service synchronization request quantity received in current slot is detected, judges that the time service received synchronization please Ask whether quantity is less than or equal to preset value, if so, S103 is entered step, if it is not, entering step S104;
Current slot can be that multiple periods are divided into one day, can also be according to working day and festivals or holidays not Together, the different periods is divided.For example, within the time, divided as unit of per hour, limiting cannot in one hour Time service synchronization is carried out more than 500 stylobate stations.The purpose of this step was ensured in the same period, was only allowed a certain number of miniature Base station incoming clock server carries out time service synchronization.The determination step can perform in clock server.
Step S103:Being sent to the corresponding femto cell of the base station identification code allows link order, and enter step S105;
Step S104:Forbid link order to the corresponding femto cell transmission of the base station identification code;
Step S105:The unitcast request that femto cell returns is received, time service operation is carried out to the femto cell.
When femto cell, which receives, allows link order, unitcast request is returned to, when femto cell, which receives, forbids instruction, no Return to unitcast request.The step of receiving the unitcast request that femto cell returns, time service operation is carried out to the femto cell can be with It is realized based on clock server.
The present embodiment is from the angle at clock service end, by the time service synchronization request for receiving femto cell and sending During with base station identification code, the time service synchronization request quantity of reception in detection current slot, when the time service synchronization request number of reception When amount is less than or equal to preset value, being sent to the corresponding femto cell of the base station identification code allows link order, receives miniature The unitcast request that base station returns carries out time service operation to the femto cell;When the time service synchronization request quantity of reception is more than in advance If during value, forbid link order to the corresponding femto cell transmission of the base station identification code.So as to fulfill in the same period, only A certain number of femto cell incoming clock servers is allowed to carry out time service synchronization, other femto cell do not allow then to access, It ensure that the demand of base station synchronization, and under synchronization, bandwidth shared by clock server is kept in a certain range, so as to reduce The technical risk and cost risk of network.
Can also preset value be determined using the following formula in one of the embodiments,;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second miniature to every The number for the timestamp network packet that base station is sent, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp net The byte number of inter-packet gap between network packet.
In this way, it can determine that each period can receive under the premise of clock server bandwidth is known Time service synchronization request quantity, so as to reduce the technical risk of network and cost risk.
As shown in Fig. 2, the flow diagram of the embodiment of the method for femto cell synchronous clock server of the present invention, packet It includes:
Step S201:The time service synchronization request and base station identification code of this femto cell are sent to clock server;
Base station identification code is a kind of code for identifying femto cell, and each femto cell has unique base station identification code.Time service Synchronization request is to authorize the request for carrying out time service synchronization, that is, authorizes the power that femto cell sends unitcast request to clock server Profit.When femto cell needs to access clock server, time service synchronization request and base station identification code are first sent.
Step S202:The time service corresponding with the base station identification code of this femto cell that the clock server returns is received to connect Connect instruction;Wherein, the time service link order includes allowing link order and forbids link order, if described in current slot When the time service synchronization request quantity that clock server receives is less than or equal to preset value, returning allows link order;If when current Between the clock server receives in section time service synchronization request quantity when being more than preset value, link order is forbidden in return;
Step S203:When time service link order is allows link order, unitcast request is sent to clock server, it is synchronous Clock server;When time service link order is sends time service after when forbidding link order, being spaced preset time to clock server Synchronization request and base station identification code.
The present embodiment from the angle of femto cell, to clock server send this femto cell time service synchronization request and Base station identification code;Time service corresponding with the base station identification code of this femto cell connection that the clock server returns is received to refer to It enables;When time service link order is allows link order, unitcast request, synchronous clock server are sent to clock server;When Time service link order sends time service synchronization request and base station after preset time when forbidding link order, to be spaced to clock server Identification code.So as to fulfill femto cell before unitcast request is sent, it is necessary to which first tranmitting data register service request allows to connect receiving During instruction, just unitcast request is sent to clock server.And then realize in the same period, only allow a certain number of miniature bases Incoming clock server of standing carries out time service synchronization, and other femto cell do not allow then to access, and ensure that the demand of base station synchronization, And under synchronization, bandwidth shared by clock server keeps in a certain range, reducing the technical risk of network and cost wind Danger.
As shown in figure 3, for femto cell of the present invention and the flow diagram of the synchronous method embodiment of clock server, packet It includes:
Step S301:Time service synchronization request and base station identification code are sent to clock server by femto cell;
Base station identification code is a kind of code for identifying femto cell, and each femto cell has unique base station identification code.Time service Synchronization request is to authorize the request for carrying out time service synchronization, that is, authorizes the power that femto cell sends unitcast request to clock server Profit.When femto cell needs to access clock server, time service synchronization request and Base Station Identification can be sent to clock server Code.
Step S302:The time service synchronization request and base station identification code are received using clock server, detects current time The time service synchronization request quantity received in section, when the time service synchronization request quantity of reception is less than or equal to preset value, to described The corresponding femto cell of base station identification code, which is sent, allows link order;When the time service synchronization request quantity of reception is more than preset value When, forbid link order to the corresponding femto cell transmission of the base station identification code;
The purpose of this step was ensured in the same period, only allowed a certain number of femto cell incoming clock servers Carry out time service synchronization.The step performs in clock server, needs to change the synchronous protocol on clock server at this time, so as to Realize judgment method.
Step S303:When receiving permission link order by femto cell, unitcast request is sent to clock server, is connect It receives when forbidding link order, is spaced after the first preset time and sends time service synchronization request and Base Station Identification to clock server Code;
Femto cell can just send unitcast request only when receiving permission link order to clock server, no Then, unitcast request is not sent.
Step S304:Unitcast request is received using clock server, time service operation is carried out to the femto cell.
Clock server just carries out time service operation only when receiving unitcast request to femto cell, realizes wechat base It stands synchronous with clock server.
The present embodiment can be by changing the synchronous protocol of femto cell and clock server, so as to fulfill the above-mentioned side of synchronization Method.Time service synchronization request and base station identification code are sent to clock server by femto cell, clock server carries out judging to award When synchronization request quantity, when reception time service synchronization request quantity be less than or equal to preset value when, to the base station identification code pair The femto cell answered, which is sent, allows link order;When the time service synchronization request quantity of reception is more than preset value, to the base station Link order is forbidden in the transmission of identification code corresponding femto cell, femto cell only receive allow link order when, just to Clock server sends unitcast request, realizes synchronous with clock server.It receives when forbidding link order, needs interval pre- If after the time time service synchronization request and base station identification code could be sent to clock server, re-start request, so as to fulfill The same period only allows a certain number of femto cell incoming clock servers to carry out time service synchronization, other femto cell Do not allow then to access, ensure that the demand of base station synchronization, and under synchronization, bandwidth shared by clock server is maintained at certain model In enclosing, so as to reduce the technical risk of network and cost risk.
Can also preset value be determined using the following formula in one of the embodiments,;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second miniature to every The number for the timestamp network packet that base station is sent, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp net The byte number of inter-packet gap between network packet.
In this way, it can determine that each period can receive under the premise of clock server bandwidth is known Time service synchronization request quantity, so as to reduce the technical risk of network and cost risk.
In one of the embodiments, when femto cell continuously receives when forbidding link order of preset times, interval Time service synchronization request and base station identification code are sent to clock server after second preset time, second preset time is more than institute State the first preset time.
Femto cell receives when forbidding link order, is spaced after the first preset time and sends time service to clock server and synchronize Request and base station identification code forbid link order when continuous several times request all receives, then can be spaced and slightly ask again for a long time, i.e., Second preset time is more than the first preset time, so as to avoid the wasting of resources caused by continuous request.
Synchronous method based on above-mentioned femto cell and clock server, the present invention also provides a kind of femto cell and clocks The synchronization system of server, as shown in figure 4, for femto cell of the present invention and the structure of the synchronization system embodiment of clock server Schematic diagram, including clock server 410, set on the synchronizing device 420 of femto cell:
Synchronizing device sends time service synchronization request and base station identification code to clock server;
Clock server receives the time service synchronization request and base station identification code, the time service received in detection current slot Synchronization request quantity when the time service synchronization request quantity of reception is less than or equal to preset value, is corresponded to the base station identification code Synchronizing device send allow link order;When the time service synchronization request quantity of reception is more than preset value, marked to the base station Know the corresponding synchronizing device transmission of code and forbid link order;
Synchronizing device is received when allowing link order, is sent unitcast request to clock server, is received and forbid connecting During instruction, it is spaced after preset time and sends time service synchronization request and base station identification code to clock server;
Clock server receives unitcast request, and time service operation is carried out to the femto cell.
The present embodiment sends time service synchronization request and base station identification code, clock service by femto cell to clock server Device carries out judging time service synchronization request quantity, when the time service synchronization request quantity of reception is less than or equal to preset value, to described The corresponding femto cell of base station identification code, which is sent, allows link order;When the time service synchronization request quantity of reception is more than preset value When, forbid link order to the transmission of the base station identification code corresponding femto cell, femto cell only allows to connect receiving When connecing instruction, unitcast request just is sent to clock server, is realized synchronous with clock server.It receives and forbids link order When, it needs that time service synchronization request and base station identification code could be sent to clock server after being spaced preset time, re-starting please It asks, so as to fulfill a certain number of femto cell incoming clock servers in the same period, is only allowed to carry out time service synchronizations, His femto cell does not allow then to access, and ensure that the demand of base station synchronization, and under synchronization, bandwidth shared by clock server It keeps in a certain range, so as to reduce the technical risk of network and cost risk.
Can also preset value be determined using the following formula in one of the embodiments,;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second miniature to every The number for the timestamp network packet that base station is sent, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp net The byte number of inter-packet gap between network packet.
In this way, it can determine that each period can receive under the premise of clock server bandwidth is known Time service synchronization request quantity, so as to reduce the technical risk of network and cost risk.
The femto cell and clock server of the femto cell of the present invention and the synchronization system of clock server and the present invention Synchronous method be one-to-one, the relevant technologies in the synchronous method embodiment of above-mentioned femto cell and clock server are special Sign and its technique effect are suitable for the synchronization system embodiment of femto cell and clock server, and details are not described herein.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (5)

1. a kind of clock server is to the method for femto cell time service, which is characterized in that including:
Time service synchronization request and the base station identification code that femto cell is sent are obtained, wherein the base station identification code is micro- for a kind of mark The code of type base station;
The time service synchronization request quantity received in current slot is detected, when the time service synchronization request quantity of reception is less than or equal to During preset value, being sent to the corresponding femto cell of the base station identification code allows link order, receives the list that femto cell returns Request is broadcast, time service operation is carried out to the femto cell;When the time service synchronization request quantity of reception is more than preset value, to described Link order is forbidden in the corresponding femto cell transmission of base station identification code;
Preset value is determined using the following formula;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second to every femto cell The number of the timestamp network packet of transmission, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp network packet Between inter-packet gap byte number.
A kind of 2. method of femto cell synchronous clock server, which is characterized in that including:
The time service synchronization request and base station identification code of this femto cell are sent to clock server, wherein the base station identification code is A kind of code for identifying femto cell;
Receive the time service link order corresponding with the base station identification code of this femto cell that the clock server returns;Wherein, The time service link order includes allowing link order and forbids link order, if the clock server connects in current slot When the time service synchronization request quantity of receipts is less than or equal to preset value, returning allows link order;If when described in current slot When the time service synchronization request quantity that clock server receives is more than preset value, link order is forbidden in return;
When time service link order is allows link order, unitcast request, synchronous clock server are sent to clock server;When Time service link order sends time service synchronization request and base station after preset time when forbidding link order, to be spaced to clock server Identification code;
Preset value is determined using the following formula;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second to every femto cell The number of the timestamp network packet of transmission, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp network packet Between inter-packet gap byte number.
3. a kind of synchronous method of femto cell and clock server, which is characterized in that including:
Time service synchronization request and base station identification code are sent to clock server by femto cell, wherein the base station identification code is A kind of code for identifying femto cell;
The time service synchronization request and base station identification code, the time service received in detection current slot are received using clock server Synchronization request quantity when the time service synchronization request quantity of reception is less than or equal to preset value, is corresponded to the base station identification code Femto cell send allow link order;When the time service synchronization request quantity of reception is more than preset value, marked to the base station Know the corresponding femto cell transmission of code and forbid link order;
When receiving permission link order by femto cell, unitcast request is sent to clock server, receives and forbids connecting During instruction, it is spaced after the first preset time and sends time service synchronization request and base station identification code to clock server;
Unitcast request is received using clock server, time service operation is carried out to the femto cell;
Preset value is determined using the following formula;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second to every femto cell The number of the timestamp network packet of transmission, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp network packet Between inter-packet gap byte number.
4. the synchronous method of femto cell according to claim 3 and clock server, which is characterized in that work as femto cell When forbidding link order of preset times is continuously received, is spaced after the second preset time and sends time service synchronization to clock server Request and base station identification code, second preset time are more than first preset time.
5. the synchronization system of a kind of femto cell and clock server, which is characterized in that including clock server, set on miniature base The synchronizing device stood:
Synchronizing device sends time service synchronization request and base station identification code to clock server, wherein the base station identification code is one kind Identify the code of femto cell;
Clock server receives the time service synchronization request and base station identification code, and the time service received in detection current slot synchronizes Number of requests, it is corresponding same to the base station identification code when the time service synchronization request quantity of reception is less than or equal to preset value Walking device and sending allows link order;When the time service synchronization request quantity of reception is more than preset value, to the base station identification code Link order is forbidden in corresponding synchronizing device transmission;
Synchronizing device is received when allowing link order, is sent unitcast request to clock server, is received and forbid link order When, it is spaced after preset time and sends time service synchronization request and base station identification code to clock server;
Clock server receives unitcast request, and time service operation is carried out to the femto cell;
Clock server determines preset value using the following formula;
Wherein, N represents preset value, and M represents the bandwidth of clock server, and n represents that clock server is per second to every femto cell The number of the timestamp network packet of transmission, L1 represent the shortest word section number of an Ethernet packet, and L2 represents timestamp network packet Between inter-packet gap byte number.
CN201410707721.6A 2014-11-28 2014-11-28 Femto cell, clock server time service, synchronous method and system Active CN104411011B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410707721.6A CN104411011B (en) 2014-11-28 2014-11-28 Femto cell, clock server time service, synchronous method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410707721.6A CN104411011B (en) 2014-11-28 2014-11-28 Femto cell, clock server time service, synchronous method and system

Publications (2)

Publication Number Publication Date
CN104411011A CN104411011A (en) 2015-03-11
CN104411011B true CN104411011B (en) 2018-07-03

Family

ID=52648593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410707721.6A Active CN104411011B (en) 2014-11-28 2014-11-28 Femto cell, clock server time service, synchronous method and system

Country Status (1)

Country Link
CN (1) CN104411011B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105681148A (en) * 2016-01-05 2016-06-15 武汉大学 Network control unit (NCU) for network time synchronization
CN112988881B (en) * 2019-12-13 2024-07-26 Oppo广东移动通信有限公司 Data synchronization method and device and computer readable storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102244809A (en) * 2011-06-22 2011-11-16 中兴通讯股份有限公司 Method and device for processing service requests of set top box (Set Top Box)
CN102480780A (en) * 2010-11-26 2012-05-30 上海贝尔股份有限公司 Time synchronization method of femto base station route (BSR) and system thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101729326B (en) * 2008-10-21 2013-01-16 中兴通讯股份有限公司 Automatic configuration server selection method and system, domain name system and home gateway
JP5682173B2 (en) * 2010-08-09 2015-03-11 住友電気工業株式会社 Base station apparatus, synchronization method between base stations, data structure of synchronization information, and data structure of synchronization request
CN102892179A (en) * 2011-07-22 2013-01-23 中兴通讯股份有限公司 Load control method and device for radio access network
CN102769906B (en) * 2012-05-29 2018-09-25 南京中兴软件有限责任公司 A kind of synchronous method of family type base station and family type base station

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102480780A (en) * 2010-11-26 2012-05-30 上海贝尔股份有限公司 Time synchronization method of femto base station route (BSR) and system thereof
CN102244809A (en) * 2011-06-22 2011-11-16 中兴通讯股份有限公司 Method and device for processing service requests of set top box (Set Top Box)

Also Published As

Publication number Publication date
CN104411011A (en) 2015-03-11

Similar Documents

Publication Publication Date Title
US10999834B2 (en) Method and apparatus for generating and maintaining an accurate network map in a communications network
CN108123779B (en) Efficient unicast signaling in precision time protocol enabled packet networks
WO2015170201A1 (en) A method for robust ptp synchronization with default 1588v2 profile
US20130170414A1 (en) System and Method for Device-to-Device Communication Overlaid on a Cellular Network
US20130073746A1 (en) Apparatus And Method For Operating M2M Devices
US9900120B2 (en) Clock synchronization method and apparatus
CN102932919B (en) The resource allocation method and device of uplink sounding reference signal
WO2013063598A3 (en) Systems and methods for fast initial network link setup
CN107005831A (en) Periphery perceives networking data path
WO2011034383A3 (en) Method and apparatus for channel allocation in a visible light communication system
US8976750B1 (en) Delivering precision time protocol frequency and phase synchronization over a network without on-path support
CN110958681B (en) Service transmission method and device
WO2012171908A1 (en) Communication network
WO2011103387A8 (en) Systems and methods for managing pdp contexts in a wireless data communications network
CN103906256A (en) Bss/pbss support and schedule-free networking in 60 GHz
Cheng et al. Det‐WiFi: A Multihop TDMA MAC Implementation for Industrial Deterministic Applications Based on Commodity 802.11 Hardware
JP6708750B2 (en) Method and apparatus for identifying synchronization priority
US10321423B2 (en) NAN data beacon
CN103188064A (en) Clock synchronization method and clock synchronization device
CN105635017B (en) A kind of transmission method and equipment of targeting signal
CN103533653A (en) Method and device for solving the problem of hidden nodes in local area network
CN103702408B (en) The method and apparatus of uplink synchronous
CN102820941A (en) Clock synchronization method and device of communication network
US9226229B2 (en) Method for internet protocol-based sleep mode control using synchronization information
CN104411011B (en) Femto cell, clock server time service, synchronous method and system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant