CN103517222A - Message sending method and device - Google Patents
Message sending method and device Download PDFInfo
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- CN103517222A CN103517222A CN201210210312.6A CN201210210312A CN103517222A CN 103517222 A CN103517222 A CN 103517222A CN 201210210312 A CN201210210312 A CN 201210210312A CN 103517222 A CN103517222 A CN 103517222A
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Abstract
The invention discloses a message sending method and device. The method comprises the following steps: a BSS sends messages to a mobile station; and the BSS sends the messages again to the mobile station if the BSS does not receive response messages returned by the mobile station to respond the above messages within an appointed period. According to the method, after the BSS sends the messages to the mobile station, a period of time is set and the BSS sends the messages again to the mobile station if the BSS does not receive the response messages returned by the mobile station to respond the above messages within the appointed period. Therefore, problems of the correlated technology that a BSS cannot timely notify a mobile station of reselecting or switching districts since the BSS cannot receive a measurement report returned by the mobile station are solved, and then the performance of packet services is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of message method and device.
Background technology
Global system for mobile communications (Global System for Mobile Communications, referred to as GSM) be most popular a kind of communication system in mobile communication, its equipment for radio access network is commonly referred to base station sub-system (Base Station System, referred to as BSS).The effect that BSS plays in GSM is: on the one hand, BSS is connected by wireless network and travelling carriage (Mobile Station, referred to as MS), carries out transmission, reception and the RRM of wireless signal; On the other hand, (the Mobile Switching Center of BSSYu mobile switching centre, referred to as MSC) or Mobile Switching Center Server (Mobile Switching Center Server, referred to as MSC Server) be connected, realize between MS or MS and fixed network users between the functions such as communication connection, transfer system information and user profile.
GPRS(General Packet Radio Service) be the abbreviation of GPRS, GPRS can transmit and receive data user under end-to-end packet transfer mode.The equipment for radio access network of GPRS is also base station sub-system BSS.
Fig. 1 is according to the BSS structure of correlation technique and the schematic diagram of interface, as shown in Figure 1, typical BSS comprises two logical nodes: base station controller (Base Station Controller, referred to as BSC) and base transceiver station (Base Transceiver Station, referred to as BTS).Communication interface between BSC and BTS is called Abis interface, for realizing the far-end interconnection between BSC and BTS.Communication interface between BSC and core net (Core Network, referred to as CN) is called A/GB interface, and the communication interface between BTS and MS is called Um Interface.In BSC, have packet control unit (Package Control Unit, referred to as PCU), in mobile communication GPRS network, PCU is used for deal with data traffic carrying capacity.
In order to obtain network, better serve, it is resident that the travelling carriage in Idle state or transmitted in packets state can reselect the community being more suitable for by community.In agreement 3GPP TS 45.008, mention, travelling carriage can carry out cell reselection by three kinds of patterns, above-mentioned three kinds of patterns are respectively NC0(Network Control 0): the travelling carriage in transmitted in packets state is used the autonomous cell reselection of travelling carriage, and does not send measurement report; NC1(Network Control 1): the cell reselection that travelling carriage is autonomous and transmission measurement report; NC2(Network Control 2): network control travelling carriage carries out cell reselection.Travelling carriage passes through at Broadcast Control Channel (Broadcast Control Channel, referred to as BCCH) (under idle pulley) or packet associated control channel (Packet Associated Control Channel, referred to as PACCH) (under packet transfer mode) monitoring grouping system message 13, grouping system message 13 is used to indicate travelling carriage network control command mode and is set to NC0 pattern or NC1 pattern, travelling carriage can be known and specifically should use which kind of pattern to carry out cell reselection.
At BSS be set to the to divide into groups travelling carriage of Idle state, do not support NC2 pattern, and when the travelling carriage of transmitted in packets state is supported NC2 pattern, it is NC0/NC1 that BSS broadcasts " network control command mode " in grouping system message 13, simultaneously, BSS can notify specific travelling carriage to change " network control command mode " for NC2 on PACCH channel, BSS completes this process by sending grouping mea-sure order (Packet Measurement Order, referred to as PMO) message on PACCH specific travelling carriage.If it is NC2 that BSS changes network control command mode by PMO message informing travelling carriage,, after transfer of data completes, BSS can also get back to the network control command mode of grouping system message 13 broadcast again by PMO message informing travelling carriage.
In daily test, find, when BSS does not support Idle state travelling carriage to use NC2 pattern and supports that transmitted in packets state travelling carriage is used NC2 pattern, BSS is setting up Temporary Block Flow (Temporary Block Flow to travelling carriage, referred to as TBF) afterwards, by PMO message indication travelling carriage, enter NC2 pattern, but after BSS, can not receive measurement report always, unique possible reason is exactly PMO information drop-out, travelling carriage is not received the PMO message that BSS sends, so rest on NC0/NC1 pattern and do not send measurement report always.The system mode that causes like this BSS to grasp according to oneself notifies travelling carriage to carry out cell reselection or switching in time, is unfavorable for improving packet service performance.
For BSS in correlation technique, cannot receive the measurement report that travelling carriage returns, the problem that causes BSS to notify in time travelling carriage to carry out cell reselection or switching, not yet proposes effective solution at present.
Summary of the invention
For BSS in correlation technique, cannot receive the measurement report that travelling carriage returns, the problem that causes BSS to notify in time travelling carriage to carry out cell reselection or switching, the invention provides a kind of message method and device, at least to address the above problem.
According to an aspect of the present invention, provide a kind of message method, the method comprises: BSS sends message to travelling carriage; In specifying duration, if BSS does not receive the response message that above-mentioned travelling carriage returns in response to above-mentioned message, BSS sends above-mentioned message to above-mentioned travelling carriage again.
Above-mentioned message can comprise: grouping mea-sure order PMO message, and wherein, above-mentioned PMO message is used to indicate above-mentioned travelling carriage and changes network control command mode into above-mentioned NC2 pattern, and above-mentioned NC2 pattern refers to the cell reselection of the above-mentioned travelling carriage of network control; Above-mentioned response message comprises: measurement report.
The above-mentioned BBS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.
Above-mentioned BSS sends above-mentioned message to above-mentioned travelling carriage and can comprise: above-mentioned BSS sends above-mentioned PMO message by packet associated control channel PACCH to above-mentioned travelling carriage.
Above-mentioned BSS is again after above-mentioned travelling carriage sends above-mentioned message, said method can also comprise: if when the transmission times of above-mentioned message reaches predetermined maximum number of times of transmission, above-mentioned BSS does not receive the above-mentioned response message that above-mentioned travelling carriage returns yet, and above-mentioned BSS stops sending above-mentioned message to above-mentioned travelling carriage.
According to a further aspect in the invention, provide a kind of message dispensing device, this application of installation is in BSS, and this device comprises: message transmission module, for sending message to travelling carriage; Message retransmission module, in specifying duration, if do not receive the response message that above-mentioned travelling carriage returns in response to above-mentioned message, sends above-mentioned message to above-mentioned travelling carriage again.
Above-mentioned message can comprise: grouping mea-sure order PMO message, and wherein, above-mentioned PMO message is used to indicate above-mentioned travelling carriage and changes network control command mode into above-mentioned NC2 pattern, and above-mentioned NC2 pattern refers to the cell reselection of the above-mentioned travelling carriage of network control; Above-mentioned response message comprises: measurement report.
The above-mentioned BSS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.
Above-mentioned message transmission module can comprise: message sending unit, and for sending above-mentioned PMO message by packet associated control channel PACCH to above-mentioned travelling carriage.
Said apparatus can also comprise: message is stopped paying out module, while reaching predetermined maximum number of times of transmission for the transmission times in above-mentioned message, if do not receive yet the above-mentioned response message that above-mentioned travelling carriage returns, stops sending above-mentioned message to above-mentioned travelling carriage.
By the present invention, BSS sends after message to travelling carriage, set a time, if BSS does not receive the response message that travelling carriage returns in response to above-mentioned message in specifying duration, BSS sends above-mentioned message to above-mentioned travelling carriage again, has solved BSS in correlation technique and cannot receive the measurement report that travelling carriage returns, and causes BSS cannot notify in time travelling carriage to carry out the problem of cell reselection or switching, thereby improved the performance of Packet Service (Packet Service, referred to as PS).
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the BSS structure of correlation technique and the schematic diagram of interface;
Fig. 2 is according to the flow chart of the message method of the embodiment of the present invention;
Fig. 3 is according to the flow chart of the sending method of the PMO message of the embodiment of the present invention;
Fig. 4 is according to the structured flowchart of the message dispensing device of the embodiment of the present invention;
Fig. 5 is according to the concrete structure block diagram of the message dispensing device of the embodiment of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
In correlation technique, BSS sends after PMO message to travelling carriage, often can not receive the measurement report that travelling carriage returns, based on this, the embodiment of the present invention provides a kind of message method and device, at BSS, to travelling carriage, sends after PMO message, carry out timing, at the appointed time, if BSS does not receive the measurement report of travelling carriage, BSS sends to travelling carriage by PMO message again.Below by embodiment, be elaborated.
The present embodiment provides a kind of message method, the flow chart of message method as shown in Figure 2, and the method comprises the following steps (step S202-step S204):
Step S202, BSS sends message to travelling carriage;
Step S204, in specifying duration, if BSS does not receive the response message that above-mentioned travelling carriage returns in response to above-mentioned message, BSS sends above-mentioned message to above-mentioned travelling carriage again.
Pass through said method, BSS sends after message to travelling carriage, set a time, if BSS does not receive the response message that travelling carriage returns in response to above-mentioned message in specifying duration, BSS sends above-mentioned message to above-mentioned travelling carriage again, solve BSS in correlation technique and cannot receive the measurement report that travelling carriage returns, the problem that causes BSS to notify in time travelling carriage to carry out cell reselection or switching, thus improved packet service performance.
When BSS sends PMO message to travelling carriage, can be that BSS sends above-mentioned PMO message by PACCH to travelling carriage.After BSS sends above-mentioned message to travelling carriage again, if after specifying duration, BSS does not still receive travelling carriage, continue to retransmit above-mentioned message to travelling carriage, until BSS receives the response message that travelling carriage returns, if or the transmission times of above-mentioned message is while reaching predetermined maximum number of times of transmission, BSS does not receive the above-mentioned response message that travelling carriage returns yet, BSS stops sending above-mentioned message to above-mentioned travelling carriage.Above-mentioned maximum number of times of transmission be set as the undying circulation for fear of message retransmission, rationally carry out the transmission of message.
Above-mentioned appointment duration can be a fixed length, can be also infinitely great, when specifying duration to be infinity, is equivalent to BSS and only sends message one time, be i.e. the current implementation of agreement 3GPP TS 44.060.Generally, should be set to a rational numerical value by above-mentioned appointment duration, concrete data can be determined according to actual conditions.
Above-mentioned maximum number of times of transmission can be set to be more than or equal to 1, is less than infinity.When maximum number of times of transmission equals 1, be equivalent to BSS and only send message one time, be i.e. the current implementation of agreement 3GPP TS 44.060.Generally, should above-mentioned maximum number of times of transmission be set to a rational numerical value, concrete data can be determined according to actual conditions.
The above-mentioned BBS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.Above-mentioned message can comprise: grouping mea-sure order PMO message, and wherein, PMO message is used to indicate travelling carriage and changes network control command mode into NC2 pattern, and NC2 pattern refers to the cell reselection of network control travelling carriage; Above-mentioned response message can comprise: measurement report.
Below in conjunction with preferred embodiments and drawings, the implementation procedure of above-described embodiment is elaborated.
The present embodiment increases the retransmission mechanism of PMO message, when BSS sends after PMO message on PACCH, start a timer, if also do not receive first measurement report that travelling carriage sends after timer expiry, just think PMO information drop-out, BSS will send PMO message again on PACCH channel, and again start timer, if send PMO message, surpass N time, still can not receive the measurement report that travelling carriage sends, BSS stops retransmitting PMO.This scheme on content of existing TBF Establishing process, PMO message etc. all without any impact.
Fig. 3 is according to the flow chart of the sending method of the PMO message of the embodiment of the present invention, and as shown in Figure 3, the method comprises the following steps (step S302-step S324):
Step S302, BSS is set to not support to divide into groups Idle state travelling carriage use NC2 pattern and support transmitted in packets state travelling carriage use NC2 pattern.
Step S304, travelling carriage carries out packet data transmission, on PACCH channel, periodically reads grouping system message 13, and in grouping system message 13, indication " network control command mode " is NC0/NC1, and travelling carriage enters NC0/NC1 pattern.
Step S306, BSS sends PMO message to travelling carriage on PACCH channel, and indication travelling carriage enters NC2 pattern, and starts timer T.
Step S308, judges whether travelling carriage receives PMO message, if not, and execution step S310, if so, execution step S312.
Step S310, travelling carriage keeps NC0/NC1 pattern, and the flow process of mobile station side finishes.
Step S312, travelling carriage enters NC2 pattern, and starts periodically to BSS, to send measurement report.
Step S314, judges whether BSS receives at least one measurement report that travelling carriage sends, if so, and execution step S316, if not, execution step S318.
Step S316, BSS stops timer, then performs step S324.
Step S318, judges that whether timer is overtime, if so, and execution step S320, if not, execution step S314.
Step S320, judges whether the number of times of BSS side transmission PMO message surpasses N, if so, and execution step S322, if not, execution step S306.
Step S322, BSS stops sending PMO message to travelling carriage.
Step S324, this flow process finishes.
Corresponding to above-mentioned message method, the present embodiment provides a kind of message dispensing device, and this application of installation is in BSS, for realizing above-described embodiment.Fig. 4 is according to the structured flowchart of the message dispensing device of the embodiment of the present invention, and as shown in Figure 4, this device comprises: message transmission module 10 and message retransmission module 20.Below this structure is described.
Pass through said apparatus, message transmission module 10 sends after message to travelling carriage, set a time, if BSS does not receive the response message that travelling carriage returns in response to above-mentioned message in specifying duration, message retransmission module 20 sends above-mentioned message to above-mentioned travelling carriage again, solve BSS in correlation technique and cannot receive the measurement report that travelling carriage returns, the problem that causes BSS to notify in time travelling carriage to carry out cell reselection or switching, thus improved packet service performance.
When BSS sends PMO message to travelling carriage, can be that BSS sends above-mentioned PMO message by PACCH to travelling carriage.Therefore, the present embodiment provides a kind of preferred embodiment, and above-mentioned message transmission module comprises: message sending unit, and for sending above-mentioned PMO message by PACCH to above-mentioned travelling carriage.
After BSS sends above-mentioned message to travelling carriage again, if after specifying duration, BSS does not still receive travelling carriage, continue to retransmit above-mentioned message to travelling carriage, until BSS receives the response message that travelling carriage returns, if or the transmission times of above-mentioned message is while reaching predetermined maximum number of times of transmission, BSS does not receive the above-mentioned response message that travelling carriage returns yet, BSS stops sending above-mentioned message to above-mentioned travelling carriage.Based on this, the present embodiment provides a kind of preferred implementation, the concrete structure block diagram of message dispensing device as shown in Figure 5, this device is except comprising the modules shown in above-mentioned Fig. 4, also comprise: message is stopped paying out module 30, be connected to message retransmission module 20, while reaching predetermined maximum number of times of transmission for the transmission times in message, if do not receive yet the response message that travelling carriage returns, stop sending above-mentioned message to above-mentioned travelling carriage.Above-mentioned maximum number of times of transmission be set as the undying circulation for fear of message retransmission, rationally carry out the transmission of message.
Above-mentioned appointment duration can be a fixed length, can be also infinitely great, when specifying duration to be infinity, is equivalent to BSS and only sends message one time, be i.e. the current implementation of agreement 3GPP TS 44.060.Generally, should be set to a rational numerical value by above-mentioned appointment duration, concrete data can be determined according to actual conditions.
Above-mentioned maximum number of times of transmission can be set to be more than or equal to 1, is less than infinity.When maximum number of times of transmission equals 1, be equivalent to BSS and only send message one time, be i.e. the current implementation of agreement 3GPPTS 44.060.Generally, should above-mentioned maximum number of times of transmission be set to a rational numerical value, concrete data can be determined according to actual conditions.
The above-mentioned BBS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.Above-mentioned message can comprise: grouping mea-sure order PMO message, and wherein, PMO message is used to indicate travelling carriage and changes network control command mode into NC2 pattern, and NC2 pattern refers to the cell reselection of network control travelling carriage; Above-mentioned response message can comprise: measurement report.
As can be seen from the above description, the present invention makes BSS can perceive in time the loss of PMO message and make in time response, the measurement report that BSS reports according to travelling carriage and the whole network information of oneself grasping, better community is arrived in order travelling carriage gravity treatment in time, thereby has farthest improved packet service performance.
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 single calculation element, or 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 storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, 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., within all should being included in protection scope of the present invention.
Claims (10)
1. a message method, is characterized in that, comprising:
Base station sub-system BSS sends message to travelling carriage;
In specifying duration, if described BSS does not receive the response message that described travelling carriage returns in response to described message, described BSS sends described message to described travelling carriage again.
2. method according to claim 1, it is characterized in that, described message comprises: grouping mea-sure order PMO message, wherein, described PMO message is used to indicate described travelling carriage and changes network control command mode into described NC2 pattern, and described NC2 pattern refers to the cell reselection of travelling carriage described in network control; Described response message comprises: measurement report.
3. method according to claim 2, is characterized in that,
The described BBS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.
4. method according to claim 3, is characterized in that, described BSS sends described message to described travelling carriage and comprises: described BSS sends described PMO message by packet associated control channel PACCH to described travelling carriage.
5. method according to claim 1, is characterized in that, described BSS is again after described travelling carriage sends described message, and described method also comprises:
If when the transmission times of described message reaches predetermined maximum number of times of transmission, described BSS does not receive the described response message that described travelling carriage returns yet, described BSS stops sending described message to described travelling carriage.
6. a message dispensing device, is applied to base station sub-system BSS, it is characterized in that, comprising:
Message transmission module, for sending message to travelling carriage;
Message retransmission module, in specifying duration, if do not receive the response message that described travelling carriage returns in response to described message, sends described message to described travelling carriage again.
7. device according to claim 6, it is characterized in that, described message comprises: grouping mea-sure order PMO message, wherein, described PMO message is used to indicate described travelling carriage and changes network control command mode into described NC2 pattern, and described NC2 pattern refers to the cell reselection of travelling carriage described in network control; Described response message comprises: measurement report.
8. device according to claim 7, is characterized in that,
The described BSS Idle state travelling carriage of not supporting to divide into groups is used NC2 pattern, and supports transmitted in packets state travelling carriage to use NC2 pattern.
9. device according to claim 8, is characterized in that, described message transmission module comprises:
Message sending unit, for sending described PMO message by packet associated control channel PACCH to described travelling carriage.
10. device according to claim 6, is characterized in that, described device also comprises:
Message is stopped paying out module, while reaching predetermined maximum number of times of transmission for the transmission times in described message, if do not receive yet the described response message that described travelling carriage returns, stops sending described message to described travelling carriage.
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| CN102143073A (en) * | 2011-03-23 | 2011-08-03 | 深圳创维数字技术股份有限公司 | Data transmission method and system |
| CN102547877A (en) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团公司 | Method and device for reducing 2G (The 2nd Generation Telecommunication) network data service load |
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| US20030189912A1 (en) * | 2002-04-03 | 2003-10-09 | Pasi Laitinen | Method and apparatus providing for the immediate start of 3G measurements in dedicated mode on a cell with a packet broadcast control channel |
| CN101656995A (en) * | 2009-09-23 | 2010-02-24 | 华为技术有限公司 | Cell reselection control method, base station controller and mobile station |
| CN102547877A (en) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团公司 | Method and device for reducing 2G (The 2nd Generation Telecommunication) network data service load |
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