CN101267582B - Method and system for high-speed download packet access to ignored RLC confirmation state report - Google Patents
Method and system for high-speed download packet access to ignored RLC confirmation state report Download PDFInfo
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Abstract
The invention discloses a method and system for omitting an RLC determination state report under a high-speed downlink packet access environment, which is capable of saving air-interface resources and increasing the uplink transmission efficiency. The invention adds an RLC layer report mechanism on an MAC layer based on the present protocol, which is used for reporting the reception situation of the MAC layer receiving high-speed downlink data. At the same time, a process for processing the report is added on the RLC layer and the determination state report is not processed. Compared with the prior technology, the terminal RLC layer need not respond the determination state report to the network side under an HSDPA environment, thereby saving the air-interface resources and ensuring that all data transmitted on air-interfaces are available data without filling bits, so as to increase the uplink transmission efficiency. The invention is applied in the mobile communication field.
Description
Technical field
The present invention relates to a kind of high speed downlink packet and insert environment (HSDPA, High Speed Downlink PacketAccess) data communications method and system under, relate in particular to a kind of RLC (RadioLink Control, Radio Link control) that under the HSDPA environment, omits and confirm sexual state method of reporting and system.
Background technology
In the existing 3G (Third Generation) Moblie, Fig. 1 shows a phase process of the data communication under the HSDPA environment.Below in conjunction with Fig. 1 existing HSDPA data handling procedure is described.
The first step: at the network side rlc layer to network side MAC (Media Access Control, when the medium access control) layer transmits one group of orderly rlc protocol data cell (rlc-PDUs), protocol parameter Polling bit (hereinafter to be referred as P) is set and starts corresponding timer.But protocol parameter P indicating terminal (UE) carries out state to the data of received network side (UTRAN) responds (affirmation/non-affirmation).And timer is used for limiting the repeating transmission time limit of packet, for example, does not receive that in the timer time limit state of terminal responds report when network side in arriving yet, then automatically packet is before retransmitted.
Second step: (Hybrid Automatic RepeatRequest HARQ) is high speed protocol data cell (hs-PDUs) with rlc-PDUs group bag to network side MAC layer by mixing automatic retransmission request process.
The 3rd step: the hs-PDUs in second step is sent by eating dishes without rice or wine.
The 4th step: terminal MAC layer receives hs-PDUs, and reorders and unpack by these hs-PDUs that the HARQ process will receive and be to be received rlc-PDUs by the terminal rlc layer.Detect simultaneously to have or not in the receiving course of hs-PDUs the packet loss phenomenon takes place.
The 5th step: if packet loss takes place, then the testing result information with packet loss is back to network side MAC layer by eating dishes without rice or wine, and judges in the testing result information to comprise packet loss information in network side MAC layer, again the hs-PDUs in the network side MAC layer is sent by eating dishes without rice or wine.
The 6th step: if packet loss does not take place,, generate and confirm the sexual state report, and arrive network side, handle by network side along terminal rlc layer → terminal MAC layer → network side MAC layer → network side rlc layer then in of the indication of terminal rlc layer basis as protocol parameter P.Simultaneously, the terminal MAC layer not testing result information of packet loss is back to network side by eating dishes without rice or wine, and indicates not packet loss in network side MAC layer judgement testing result information, thus deletion hs-PDUs.
To sum up, as can be known, after the terminal rlc layer correctly received all data according to the order of sequence and satisfying condition, the terminal rlc layer can send one to network side and confirm the sexual state report, is used to tell the Data Receiving situation of the network terminal from the 6th step.Only take 3 bytes though confirm the sexual state report, but in the existing rlc layer agreement, RLC wants this is confirmed that the sexual state report sends to network, have only a few cases to be to use 4 bytes to send, and in most cases can use 5～42 bytes to send (at service plane, the big or small representative value of RLC PDU is 42 bytes), can waste 1～39 byte like this.If the size of RLC PDU is more than 42 bytes, the byte number of being wasted will be worth greater than this.Undoubtedly, this will waste interface-free resources, has increased the data processing load of terminal and network side, has taken the Radio Resource of up direction simultaneously again.
Summary of the invention
The objective of the invention is to address the above problem, a kind of method and system at high speed downlink packet access environment ignored RLC confirmation state report is provided, it can save interface-free resources, improves up efficiency of transmission.
Technical scheme of the present invention is: the invention provides a kind of method at high speed downlink packet access environment ignored RLC confirmation state report, this method comprises:
The network side rlc layer transmits one group of orderly rlc protocol data cell to network side MAC layer;
Network side MAC layer is by to mix automatic retransmission request process be the high speed protocol data cell with those rlc protocol data sheet tuple bags and send through eating dishes without rice or wine;
Terminal MAC layer reorders and unpacks by those high speed protocol data cells of mixing automatic retransmission request process and will receive and is the rlc protocol data cell, and received by the terminal rlc layer, detect simultaneously in the receiving course of those high speed protocol data cells and have or not the generation packet loss, testing result is returned network side MAC layer by eating dishes without rice or wine;
If the generation packet loss then sends the high speed protocol data cell through eating dishes without rice or wine again at network side MAC layer;
If packet loss does not take place, then all correctly receive according to the order of sequence by those rlc protocol data cells of terminal MAC layer notice terminal rlc layer, need not to generate the sexual state report of confirming at the terminal rlc layer; Simultaneously network side MAC layer delete those high speed protocol data cells and according to the order of sequence informing network side rlc layer rlc protocol data cell all correctly be sent to terminal, the network side rlc layer need not wait for that after receiving this notice the affirmation sexual state report of terminal can delete the rlc protocol data cell immediately.
The above-mentioned method at high speed downlink packet access environment ignored RLC confirmation state report, wherein, this mixes automatic retransmission request process and initiatively retransmits the packet that makes a mistake, and has correctly received the packet that sends up to terminal.
Above-mentioned method at high speed downlink packet access environment ignored RLC confirmation state report, wherein, at the network side rlc layer when network side MAC layer transmits a collection of orderly rlc protocol data cell, one protocol parameter is set, this protocol parameter indicating terminal to the data of received network side confirm/state of non-affirmation responds.
The above-mentioned method at high speed downlink packet access environment ignored RLC confirmation state report wherein, starts a timer when the network side rlc layer is provided with this protocol parameter, this timer limits the repeating transmission time limit of packet.
Above-mentioned method at high speed downlink packet access environment ignored RLC confirmation state report, wherein, delete those high speed protocol data cells and when informing network side rlc layer rlc protocol data cell all correctly was sent to terminal according to the order of sequence, the network side rlc layer stopped the timer that this has started after receiving this notice at network side MAC layer.
Based on above-mentioned method, the present invention also provides a kind of system at high speed downlink packet access environment ignored RLC confirmation state report, comprises network side rlc layer device, network side MAC bed device, terminal MAC bed device and terminal rlc layer device, wherein,
This network side rlc layer device further comprises:
Rlc protocol data unit transmission module transmits one group of orderly rlc protocol data cell from this network side rlc layer device to this network side MAC bed device;
Network side rlc layer processing module need not wait for that the affirmation sexual state report of terminal can be deleted those rlc protocol data cells immediately;
This network side MAC bed device further comprises:
Mixing automatic repeat requests group bag module, is the high speed protocol data cell with those rlc protocol data sheet tuple bags that receive;
High speed protocol data cell sending module sends the high speed protocol data cell behind the group bag through eating dishes without rice or wine;
Detect information receiving module, receiving terminal has or not the detection information that packet loss takes place to the reception of those high speed protocol data cells;
The packet loss judge module judges whether to take place packet loss from the detection information that receives, if packet loss takes place, the high speed protocol data cell after then by high speed protocol data cell sending module group being wrapped sends again;
Removing module is judged under the situation that packet loss does not take place at this packet loss judge module, deletes those high speed protocol data cells;
Notification module is judged under the situation that packet loss does not take place at this packet loss judge module, and those high speed protocol data cells of informing network side rlc layer device all correctly are sent to terminal according to the order of sequence, are handled by network side rlc layer processing module then;
This terminal MAC bed device further comprises:
Mix the automatic repeat requests module that reorders and unpack, receive high speed protocol data cell, it is reordered and unpacks into after the rlc protocol data cell, be sent to terminal rlc layer device by mixing automatic retransmission request process from network side;
The packet loss detection module detects in the receiving course of those high speed protocol data cells whether packet loss takes place;
Detect information sending module, the testing result information of this packet loss detection module is back to network side MAC bed device, received by this detection information receiving module, when detecting when packet loss takes place the correct according to the order of sequence information that receives of high speed protocol data cell is not sent to terminal rlc layer device simultaneously;
This terminal rlc layer device further comprises:
Terminal rlc layer processing module, receive correct according to the order of sequence this information that receives of high speed protocol data cell after, need not to generate and confirm the sexual state report at the terminal rlc layer.
Above-mentioned high speed downlink packet inserts the system of environment ignored RLC confirmation state report, wherein, this mixes automatic repeat requests group bag module and mixes automatic repeat requests reorder and unpack the automatic retransmission request process of mixing in the module and is meant and initiatively retransmits the packet that makes a mistake, and has correctly received the packet that sends up to terminal.
Above-mentioned high speed downlink packet inserts the system of environment ignored RLC confirmation state report, wherein, this network side rlc layer device comprises that also protocol parameter is provided with module, be provided with parameter with indicating terminal to the data of received network side confirm/state of non-affirmation responds.
Above-mentioned high speed downlink packet inserts the system of environment ignored RLC confirmation state report, and wherein, this network side rlc layer device also comprises:
Timer starts module, limits the repeating transmission time limit of packet;
The timer stopping modular is arranged in this network side rlc layer processing module, stops the running of timer.
The present invention contrasts prior art following beneficial effect: the present invention is based on existing protocol, increase the report mechanism to rlc layer at the MAC layer, be used to report the reception condition of MAC layer to high-speed down data.Increase a process of handling this report at rlc layer simultaneously, and no longer handle and confirm the sexual state report.The contrast prior art, under the HSDPA environment, the terminal rlc layer needn't be responded to network side and confirm the sexual state report, thereby saves interface-free resources, guarantee to eat dishes without rice or wine to go up the valid data that are that transmit, and without any filling bit, thereby improve up efficiency of transmission.
Description of drawings
Fig. 1 is the transfer of data schematic diagram under the HSDPA environment of prior art.
Fig. 2 is that omission RLC of the present invention confirms sexual state method of reporting schematic diagram.
Fig. 3 is the system schematic that omission RLC of the present invention confirms the sexual state report.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 2 shows omission RLC of the present invention and confirms the sexual state method of reporting.Below in conjunction with Fig. 2 this method is described in detail.
The first step: when network side MAC layer transmits one group of orderly rlc-PDUs, protocol parameter P is set and starts corresponding timer at the network side rlc layer.But protocol parameter P indicating terminal (UE) carries out state to the data of received network side (UTRAN) responds (affirmation/non-affirmation).And timer is used for limiting the repeating transmission time limit of packet, for example, does not receive that in the timer time limit state of terminal responds report when network side in arriving yet, then automatically packet is before retransmitted.
Second step: network side MAC layer is hs-PDUs by HARQ with rlc-PDUs group bag.HARQ initiatively retransmits the packet that makes a mistake, and has correctly received the packet that sends up to terminal.
The 3rd step: the hs-PDUs in second step is sent by eating dishes without rice or wine.
The 4th step: terminal MAC layer receives hs-PDUs, and reorders and unpack by these hs-PDUs that the HARQ process will receive and be to be received rlc-PDUs by the terminal rlc layer.Detect simultaneously to have or not in the receiving course of hs-PDUs the packet loss phenomenon takes place.
The 5th step: if packet loss takes place, then the testing result information with packet loss is back to network side MAC layer by eating dishes without rice or wine, and judges in the testing result information to comprise packet loss information in network side MAC layer, again the hs-PDUs in the network side MAC layer is sent by eating dishes without rice or wine.
The 6th step: if packet loss does not take place, then correctly receive according to the order of sequence, need not to generate the report of affirmation sexual state at the terminal rlc layer by these hs-PDUs of terminal MAC layer notice terminal rlc layer.Simultaneously, the terminal MAC layer not testing result information of packet loss is back to network side by eating dishes without rice or wine, and indicates not packet loss in network side MAC layer judgement testing result information, thus deletion hs-PDUs.
The 7th step: network side MAC layer informing network side rlc layer rlc-PDUs according to the order of sequence all correctly is sent to terminal, and the network side rlc layer need not wait for that after receiving this notice the affirmation sexual state report of terminal can remove rlc-PDUs immediately from buffering area.And stop the timer that starting in the first step simultaneously.
Should be understood that inventive point of the present invention is: when packet loss takes place hs-PDUs, handle with existing protocol; When packet loss does not take place in hs-PDUs, on existing protocol, increase the report mechanism of a MAC to RLC, increase a processing procedure at rlc layer simultaneously to the report information of MAC.
Based on above-mentioned method, the present invention has also disclosed a kind of system of HSDPA environment ignored RLC confirmation state report.
See also Fig. 3, system is made of network side rlc layer device 10, network side MAC bed device 11, terminal MAC bed device 20 and terminal rlc layer device 21.Wherein network side rlc layer device 10 mainly comprises: rlc-PDUs transport module 100, protocol parameter are provided with module 101, timer and start module 102, network side rlc layer processing module 103 and be arranged on timer stopping modular 104 in the processing module 103.Network side MAC bed device 11 mainly comprises: HARQ group bag module 110, hs-PDUs sending module 111, detection information receiving module 112, packet loss judge module 113, removing module 114 and notification module 115.Terminal MAC bed device 20 mainly comprises: HARQ reorder and unpack module 200, packet loss detection module 201 and detect information sending module 202.Terminal rlc layer device 21 mainly comprises terminal rlc layer processing module 210.
Rlc-PDUs transport module 100 transmits one group of orderly rlc-PDUs from network side rlc layer device 10 to network side MAC bed device 11.Protocol parameter is provided with module 101 protocol parameter is set, indicating terminal to the data of received network side confirm/state of non-affirmation responds.Timer startup module 102 is activated to limit the repeating transmission time limit of packet simultaneously, is used for network side is not received terminal yet in time limit arrival state response report, then automatically packet is before retransmitted.
These rlc-PDUs group bags that HARQ group bag module 110 will receive are sent through eating dishes without rice or wine by hs-PDUs sending module 111 for hs-PDUs.HARQ reorder and unpack module 200 receives hs-PDUs from network side, by mixing automatic retransmission request process it is reordered and unpacks to behind the rlc-PDUs, is sent to terminal rlc layer device 21.Whether the receiving course that packet loss detection module 201 detects these hs-PDUs exists the packet loss phenomenon, then testing result information is back to network side MAC bed device 11 by detecting information sending module 202, and detected information receiving module 112 receives.If testing result, then detects the information that information sending module 202 simultaneously will " according to the order of sequence correctly receive " for there not being the packet loss phenomenon and is sent to terminal rlc layer device 21.After terminal rlc layer processing module 210 in the terminal rlc layer device 21 receives this information, confirm that the sexual state report also need not generate such affirmation sexual state report, need not respond network side even satisfy back.
After the detection information receiving module 112 of network side MAC layer receives testing result information, from the detection information that receives, judge whether to take place packet loss by packet loss judge module 113.If the generation packet loss is then sent again by the hs-PDUs behind 111 pairs of group bags of hs-PDUs sending module.If packet loss does not take place, then by the hs-PDUs in the removing module 114 deletion network side MAC layers, simultaneously by notification module 115 informing network side rlc layer device 10 according to the order of sequence: these hs-PDUs all correctly are sent to terminal.Network side rlc layer device 10 carries out following processing by network side rlc layer processing module 103 after receiving this notice: the affirmation sexual state report that need not wait for terminal can be deleted rlc-PDUs immediately and be stopped the running of corresponding timer by timer stopping modular 104.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. one kind is inserted the method for environment ignored RLC confirmation state report in high speed downlink packet, and this method comprises:
The network side rlc layer transmits one group of orderly rlc protocol data cell to network side MAC layer;
Network side MAC layer is by to mix automatic retransmission request process be the high speed protocol data cell with those rlc protocol data sheet tuple bags and send through eating dishes without rice or wine;
Terminal MAC layer reorders and unpacks by those high speed protocol data cells of mixing automatic retransmission request process and will receive and is the rlc protocol data cell, and received by the terminal rlc layer, detect simultaneously in the receiving course of those high speed protocol data cells and have or not the generation packet loss, testing result is returned network side MAC layer by eating dishes without rice or wine;
If the generation packet loss then sends the high speed protocol data cell through eating dishes without rice or wine again at network side MAC layer;
If packet loss does not take place, then all correctly receive according to the order of sequence by those rlc protocol data cells of terminal MAC layer notice terminal rlc layer, need not to generate the sexual state report of confirming at the terminal rlc layer; Simultaneously network side MAC layer delete those high speed protocol data cells and according to the order of sequence informing network side rlc layer rlc protocol data cell all correctly be sent to terminal, the network side rlc layer need not wait for that after receiving this notice the affirmation sexual state report of terminal can delete the rlc protocol data cell immediately.
2. the method that inserts the environment ignored RLC confirmation state report in high speed downlink packet according to claim 1, it is characterized in that, this mixes automatic retransmission request process and initiatively retransmits the packet that makes a mistake, and has correctly received the packet that sends up to terminal.
3. the method that inserts the environment ignored RLC confirmation state report in high speed downlink packet according to claim 1, it is characterized in that, at the network side rlc layer when network side MAC layer transmits a collection of orderly rlc protocol data cell, one protocol parameter is set, this protocol parameter indicating terminal to the data of received network side confirm/state of non-affirmation responds.
4. high speed downlink packet according to claim 3 inserts the method for environment ignored RLC confirmation state report, it is characterized in that, starts a timer when the network side rlc layer is provided with this protocol parameter, and this timer limits the repeating transmission time limit of packet.
5. the method that inserts the environment ignored RLC confirmation state report in high speed downlink packet according to claim 4, it is characterized in that, delete those high speed protocol data cells and when informing network side rlc layer rlc protocol data cell all correctly was sent to terminal according to the order of sequence, the network side rlc layer stopped the timer that this has started after receiving this notice at network side MAC layer.
6. the system at high speed downlink packet access environment ignored RLC confirmation state report comprises network side rlc layer device, network side MAC bed device, terminal MAC bed device and terminal rlc layer device, wherein,
This network side rlc layer device further comprises:
Rlc protocol data unit transmission module transmits one group of orderly rlc protocol data cell from this network side rlc layer device to this network side MAC bed device;
Network side rlc layer processing module need not wait for that the affirmation sexual state report of terminal can be deleted those rlc protocol data cells immediately;
This network side MAC bed device further comprises:
Mixing automatic repeat requests group bag module, is the high speed protocol data cell with those rlc protocol data sheet tuple bags that receive;
High speed protocol data cell sending module sends the high speed protocol data cell behind the group bag through eating dishes without rice or wine;
Detect information receiving module, receiving terminal has or not the detection information that packet loss takes place to the reception of those high speed protocol data cells;
The packet loss judge module judges whether to take place packet loss from the detection information that receives, if packet loss takes place, the high speed protocol data cell after then by high speed protocol data cell sending module group being wrapped sends again;
Removing module is judged under the situation that packet loss does not take place at this packet loss judge module, deletes those high speed protocol data cells;
Notification module is judged under the situation that packet loss does not take place at this packet loss judge module, and those high speed protocol data cells of informing network side rlc layer device all correctly are sent to terminal according to the order of sequence, are handled by network side rlc layer processing module then;
This terminal MAC bed device further comprises:
Mix the automatic repeat requests module that reorders and unpack, receive high speed protocol data cell, it is reordered and unpacks into after the rlc protocol data cell, be sent to terminal rlc layer device by mixing automatic retransmission request process from network side;
The packet loss detection module detects in the receiving course of those high speed protocol data cells whether packet loss takes place;
Detect information sending module, the testing result information of this packet loss detection module is back to network side MAC bed device, received by this detection information receiving module, when detecting when packet loss takes place the correct according to the order of sequence information that receives of high speed protocol data cell is not sent to terminal rlc layer device simultaneously;
This terminal rlc layer device further comprises:
Terminal rlc layer processing module, receive correct according to the order of sequence this information that receives of high speed protocol data cell after, need not to generate and confirm the sexual state report at the terminal rlc layer.
7. high speed downlink packet according to claim 6 inserts the system of environment ignored RLC confirmation state report, it is characterized in that, this mixes automatic repeat requests group bag module and mixes automatic repeat requests reorder and unpack the automatic retransmission request process of mixing in the module and is meant and initiatively retransmits the packet that makes a mistake, and has correctly received the packet that sends up to terminal.
8. high speed downlink packet according to claim 6 inserts the system of environment ignored RLC confirmation state report, it is characterized in that, this network side rlc layer device comprises that also protocol parameter is provided with module, be provided with parameter with indicating terminal to the data of received network side confirm/state of non-affirmation responds.
9. high speed downlink packet according to claim 8 inserts the system of environment ignored RLC confirmation state report, it is characterized in that this network side rlc layer device also comprises:
Timer starts module, limits the repeating transmission time limit of packet;
The timer stopping modular is arranged in this network side rlc layer processing module, stops the running of timer.
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| CN102761905B (en) | 2011-04-26 | 2016-03-30 | 华为技术有限公司 | Message treatment method, equipment and system |
| CN105897385A (en) * | 2011-11-24 | 2016-08-24 | 华为技术有限公司 | Method for acknowledging transmission of RLC (Radio Link Control) data packet and RLC AM (Acknowledge Mode) entity sender |
| CN104641719B (en) | 2013-05-20 | 2018-07-03 | 华为技术有限公司 | A kind of confirmation message sending method and its equipment |
| WO2017101069A1 (en) * | 2015-12-17 | 2017-06-22 | 华为技术有限公司 | Data transmission method and terminal device |
| WO2019127533A1 (en) * | 2017-12-29 | 2019-07-04 | 深圳市大疆创新科技有限公司 | Feedback determination method, sending end, receiving end and system |
| CN111835457B (en) * | 2019-08-09 | 2022-04-26 | 维沃移动通信有限公司 | Data transmission method, receiving equipment and sending equipment |
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| CN1870591A (en) * | 2006-02-28 | 2006-11-29 | 华为技术有限公司 | Access hard switchover method and system of high speed downlink packet |
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