CN1878396A - Universal packet wireless service transmission link controlling method - Google Patents
Universal packet wireless service transmission link controlling method Download PDFInfo
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- CN1878396A CN1878396A CNA2005100752875A CN200510075287A CN1878396A CN 1878396 A CN1878396 A CN 1878396A CN A2005100752875 A CNA2005100752875 A CN A2005100752875A CN 200510075287 A CN200510075287 A CN 200510075287A CN 1878396 A CN1878396 A CN 1878396A
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Abstract
The invention relates to a method for controlling the general grouped wireless service transmission chain circuit, which provides a strategy that controls the ascending TBF release process at the network, and according to the condition of descending data, releases or delay releases the ascending TBF, to make descending TBF build more data transmission on the grouped signal channel. The invention has simple process, high efficiency and the ability for meeting protocol standard, to solve the problems that low success rate and low speed caused by switching MS between public control signal channel and grouped signal channel, to improve the property of GPRS/EDGE system.
Description
Technical field
The present invention relates to packet wireless business GPRS in the gsm system or strengthen GSM evolution scheme EDGE (the Enhanced Data rates for GSM Evolution) transmission link controlling method of data rate.
Background technology
On the wave point of GPRS/EDGE system, data are transmitted by radio block, need the data of transmission to be split into a chunk, form a piece stream, transmit by setting up a transmission link at mobile phone and network, after all the piece transmission was finished, transmission link discharged, and therefore this link is called Temporary Block Flow TBF (Temporary Block Flow).In the GPRS/EDGE system, the transfer of data of uplink and downlink is independently, promptly sets up up TBF respectively and descending TBF transmits.
Whether carrying out transfer of data according to mobile phone, the state of mobile phone has two kinds: packet idle state and packet transfer state.When the sub-district does not have the configuration packet Common Control Channel, the mobile phone that is under the packet idle state is monitored Common Control Channel, if the upper strata need send data, then mobile phone is gone up in Random Access Channel (RACH) and is initiated to insert at random request, after receiving immediate assignment message on the Common Control Channel, mobile phone transfers to monitor the grouped channels of assigning, and enters packet transfer state.Similarly, if the mobile phone that is under the packet idle state listens to the immediate assignment of issuing oneself on Common Control Channel, indication will be set up descending TBF and be carried out packet data transmission, and then mobile phone also transfers to monitor the grouped channels of assigning, and enters packet transfer state.Under packet transfer state, mobile phone can not be monitored Common Control Channel, if therefore carry out immediate assignment again this moment on Common Control Channel, mobile phone can not respond.
In up TBF transmission course, if there is downlink data to need transmission, then need on up TBF channel transmitted, carries out grouping downlink and assign, set up descending TBF.Same, in descending TBF transmission course, if mobile phone has upstream data to need transmission, then mobile phone is asked up access during line output situation signaling (grouping downlink is replied) under responding network, network carries out packet uplink in the transmission channel of descending TBF assigns, and sets up up TBF.Can see that in the GPRS/EDGE system, though the up-downgoing transfer of data is independently, the foundation of up-downgoing TBF is related.
A up step is with its sign TLLI (TLLI) when inserting when mobile phone sends first piece again, need to respond a packet uplink to mobile phone after network receives at once and reply, and also with the TLLI that goes up mobile phone, finishes conflict and solves.Mobile phone is when sending last up, and putting down counter (CV) on the piece control head is 0, initiates up TBF dispose procedure.Under the affirmation mode, network is after correctly receiving all upstream datas, send up replying to mobile phone, put to reply at last and be designated 1, show that this is last up piece of replying, and by related reserved block period (RRBP) (under the non-affirmation mode, whether network is no matter correctly receive all data, and directly transmission is replied at last and is designated 1 the up piece of replying) is being set on the piece control head.Mobile phone receive reply at last be designated 1 and have up the replying of related reserved block period after, respond the control of dividing into groups to network and confirm, immediately discharge up TBF, and network is after receiving grouping control affirmation, also discharge up TBF immediately, give back TBF shared resource.After mobile phone discharged up TBF, if there is not descending TBF transmission this moment, then mobile phone entered packet idle state, leaves grouped channels, then monitors Common Control Channel.
After up TBF discharges,, can only on Common Control Channel, set up descending TBF by immediate assignment if downlink data transmission is arranged.Because mobile phone has a process from monitoring grouped channels to monitoring Common Control Channel, mobile phone may not receive the immediate assignment message on the Common Control Channel during this, can cause descending TBF to set up failure like this.And, because the immediate assignment on the Common Control Channel needs to send in the paging block of mobile phone, adding mobile phone forwards to and monitors grouped channels and need the regular hour from monitoring Common Control Channel, therefore, assign on the secondary common control physical channel and set up the TBF process set up the time that the TBF process spent than on grouped channels long a lot, speed can not get raising.
In the GPRS/EDGE system, at present main applied business type is all by up initiation, as ping, download, surf the web, Telnet etc., these generally are after mobile phone sends some upstream datas in using, receive network again and send some data of getting off, the situation that up like this TBF finishes to set up descending TBF at once in the back is very many.Two above-mentioned problems will appear in general processing, cause overall performance not high.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of universal packet wireless service transmission link controlling method, this method proposes the strategy at the up TBF dispose procedure of network controls, according to the downlink data situation, take to discharge immediately or delay time and discharge up TBF, the transfer of data that descending TBF foundation is more carried out on grouped channels.
A kind of universal packet wireless service transmission link controlling method of the present invention comprises the steps:
(a) to receive the down counter that mobile phone sends be 0 data block to network side, if correctly received all data blocks, then all data formed logic link control frame (LLC), sends to core net;
(b) judge whether this last piece also is first,, send immediately to reply at last and be designated 1 packet uplink and reply the normal termination of up TBF process if also be that first and up access way are when inserting in a step; If not first or up access way is not step access way, then an execution in step (c);
(c) judge whether this mobile phone has descending TBF to transmit,, then send immediately to reply at last and be designated 1 packet uplink and reply the normal termination of up TBF process if there is descending TBF to transmit; Otherwise stop to carry out to up resource of this handset allocation, do not send to reply at last and be designated 1 packet uplink and reply, a back off timer is set, wait for the downlink transfer request;
(d) if during back off timer regularly, there is the downlink data of this mobile phone to need transmission, then sending grouping downlink on the grouped channels that up TBF monitors assigns, set up descending TBF, send subsequently to reply at last and be designated 1 packet uplink and reply, remove back off timer, finish the release of up TBF;
(e) if after back off timer is overtime, do not receive the downlink data transmission request of this mobile phone yet, then send to reply at last and be designated 1 packet uplink and reply, finish the release of up TBF.
In the described method, back off timer is set regularly length less than 5 seconds.Regularly length need be determined according to wireless mouthful the system's time delay and the time delay of Gb mouth, can be made as about 600 milliseconds.
Can see after employing the inventive method is controlled up TBF dispose procedure, having following tangible technique effect:
1) well solved because after the up TBF release, descending TBF sets up failure problem to mobile phone the Common Control Channel process to monitoring from monitoring grouped channels.Because between time delay, up TBF does not also discharge fully, mobile phone still is in packet transfer state, therefore, can directly carry out packet uplink and assign on grouped channels, has avoided carrying out on Common Control Channel downstream assigned.
2) owing to be directly on grouped channels, to carry out grouping downlink to assign, accelerate the foundation of descending TBF, made whole professional speed be significantly increased.
The conflict solution situation of the inventive method when considering that a up step is inserted, considered that also T3180 in the agreement and the requirement of T3182 timer: T3180 require in 5s network must give handset allocation piece resource, and T3182 requires network must to mobile phone respond packet uplink affirmation in the 5s at mobile phone after to send down counter be 0 piece.Back off timer in the inventive method requires less than 5s, and need deduct the time delay of system, can satisfy the requirement of T3180, T3182 timer like this.
Take the inventive method, send packet uplink to reply at the follow-up supervention of last line delay, mobile phone can correctly respond, and up TBF can normal termination.Because upstream data sends to not time-delay of core net, so up TBF time-delay discharges the not influence of upper layer data transmission speed.In addition, the inventive method is not given up resource of this handset allocation between time delay, can not cause the wasting of resources.
In sum, the inventive method logic is reasonable, protocol compliant requirement fully, and implementation method is simple, and is effective, improved the overall performance of data service significantly.
Description of drawings
Fig. 1 is the schematic diagram that existing up TBF discharges, descending TBF sets up process.
Fig. 2 is the schematic diagram that up TBF discharges, descending TBF sets up process of the inventive method.
Fig. 3 is concrete implementing procedure figure of the present invention.
Embodiment
Fig. 1 demonstrates existing up TBF release, descending TBF sets up process.What describe is to discharge immediately after up TBF transfer of data is finished, and receives the process of setting up descending TBF after the downlink frame of SGSN on the CCCH channel.
The up TBF that Fig. 2 demonstrates the inventive method discharges, descending TBF sets up process.Describe be to use the present invention after, do not discharge immediately after up TBF transfer of data is finished, do not send packet uplink immediately and reply, after receiving the downlink frame of SGSN, on the grouped channels of up TBF, set up descending TBF, send packet uplink again and reply, discharge the process of up TBF.
With reference to Fig. 3, the inventive method may further comprise the steps:
1, to receive the down counter that mobile phone MS sends be 0 data block to network side;
2, correctly received all data blocks, then all data have been formed logic link control frame LLC and sent to core net SGSN;
3, judge whether first data block that this last data block also is this TBF;
4 if first, judges whether up access way is to insert in a step again;
5 if send immediately to reply at last and be designated 1 packet uplink and reply;
6, finish the dispose procedure of up TBF, then normal termination;
7, not a step access way if not first or up access way, judge then whether this mobile phone MS has descending TBF to transmit; If, execution in step 5 and 6 successively; Otherwise execution in step 8;
8, stop to carry out to up resource of this handset allocation, do not send to reply at last and be designated 1 packet uplink and reply, a back off timer is set, wait for the downlink transfer request;
9, receive the downlink data that this mobile phone is arranged during back off timer regularly and need transmission;
10, on the grouped channels that up TBF monitors, send grouping downlink and assign, set up descending TBF;
11, send subsequently to reply at last and be designated 1 packet uplink and reply;
12, remove back off timer, finish the release of up TBF;
13, after back off timer is overtime, do not receive the downlink data transmission request of this mobile phone yet;
14, send to reply at last and be designated 1 packet uplink and reply;
15, finish the release of up TBF.
Practice shows that back off timer is made as about 600ms, can obtain effect preferably.
Up TBF releasing control method provided by the invention, according to the characteristic and the related characteristics of upper-layer service up-downgoing transfer of data of up-downgoing TBF access procedure, the main up TBF method of time-delay release that adopts makes descending TBF to set up fast on grouped channels.This method is simple, effective, and the protocol compliant codes and standards have well solved MS and switch the low and slow-footed problem of the appointment success rate that causes back and forth on Common Control Channel and grouped channels, the overall performance of lifting GPRS/EDGE system fully.
Claims (3)
1, a kind of universal packet wireless service transmission link controlling method is characterized in that, comprises the steps:
(a) to receive the down counter that mobile phone sends be 0 data block to network side, if correctly received all data blocks, then all data formed logic link control frame (LLC), sends to core net;
(b) judge whether this last piece also is first,, send immediately to reply at last and be designated 1 packet uplink and reply the normal termination of up TBF process if also be that first and up access way are when inserting in a step; If not first or up access way is not step access way, then an execution in step (c);
(c) judge whether this mobile phone has descending TBF to transmit,, then send immediately to reply at last and be designated 1 packet uplink and reply the normal termination of up TBF process if there is descending TBF to transmit; Otherwise stop to carry out to up resource of this handset allocation, do not send to reply at last and be designated 1 packet uplink and reply, a back off timer is set, wait for the downlink transfer request;
(d) if during back off timer regularly, there is the downlink data of this mobile phone to need transmission, then sending grouping downlink on the grouped channels that up TBF monitors assigns, set up descending TBF, send subsequently to reply at last and be designated 1 packet uplink and reply, remove back off timer, finish the release of up TBF;
(e) if after back off timer is overtime, do not receive the downlink data transmission request of this mobile phone yet, then send to reply at last and be designated 1 packet uplink and reply, finish the release of up TBF.
2, universal packet wireless service transmission link controlling method according to claim 1 is characterized in that, in the described method, back off timer is set regularly length less than 5 seconds.
3, universal packet wireless service transmission link controlling method according to claim 2 is characterized in that, in the described method, it is 600 milliseconds that back off timer is set timing length.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100752875A CN1878396A (en) | 2005-06-10 | 2005-06-10 | Universal packet wireless service transmission link controlling method |
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| CNA2005100752875A CN1878396A (en) | 2005-06-10 | 2005-06-10 | Universal packet wireless service transmission link controlling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714824A (en) * | 2009-11-18 | 2012-10-03 | 捷讯研究有限公司 | Optimized resource allocation for wireless device in packet transfer mode |
| WO2014000475A1 (en) * | 2012-06-27 | 2014-01-03 | 华为技术有限公司 | Uplink data transmission method, communication device, and mobile station |
| CN104780552A (en) * | 2014-01-09 | 2015-07-15 | 中国移动通信集团辽宁有限公司 | Wireless network access parameter optimization method and device |
-
2005
- 2005-06-10 CN CNA2005100752875A patent/CN1878396A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714824A (en) * | 2009-11-18 | 2012-10-03 | 捷讯研究有限公司 | Optimized resource allocation for wireless device in packet transfer mode |
| CN102714824B (en) * | 2009-11-18 | 2015-09-30 | 黑莓有限公司 | For the optimized allocation of resources of the wireless device under packet transfer mode |
| WO2014000475A1 (en) * | 2012-06-27 | 2014-01-03 | 华为技术有限公司 | Uplink data transmission method, communication device, and mobile station |
| CN103516472A (en) * | 2012-06-27 | 2014-01-15 | 华为技术有限公司 | Uplink data transmission method, communication equipment and mobile station |
| CN104780552A (en) * | 2014-01-09 | 2015-07-15 | 中国移动通信集团辽宁有限公司 | Wireless network access parameter optimization method and device |
| CN104780552B (en) * | 2014-01-09 | 2018-10-23 | 中国移动通信集团辽宁有限公司 | Wireless network access parameters optimization method and device |
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