CN101860898A - Method and system for collocating hybrid automatic repeat request related information - Google Patents
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Abstract
The invention discloses a method for collocating hybrid automatic repeat request (HARQ) related information. The HARQ related information comprises total HARQ process number related with an HS-DSCH operation of user equipment (UE) and cache size corresponding to each process. A base station judges whether to feed back the HARQ related information to an RNC according to a data frame or a control frame of a user interface received through an Iub interface, if so, sets the HARQ process number N and the cache size corresponding to each process according to the pre-stored capability level information of the UE, generates the corresponding HARQ related information, and sends the HARQ related information of the UE to the RNC; the RNC transmits the received HARQ related information of the UE to the UE through special RRC message; and the UE updates the personal HARQ related information after receiving the HARQ related information through the special RRC message. The invention also discloses a system for collocating the HARQ related information.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of method and system of collocating hybrid automatic repeat request related information.
Background technology
(Hybrid automatic repeat request is that high-speed downlink packet inserts (High Speed Downlink Package Access, HSDPA) an important techniques feature in the system HARQ) to mix re-transmission automatically.A key character in the HARQ process is process identification (PID) (HARQ ID), and the another one key character is each process corresponding cache size (memory size).
In the transmission course of HSDPA downlink data, a process downlink transfer high-speed downlink shared channel (High-Speed Downlink Shared Channel is selected in base station (Node B), HS-DSCH) data, at first carry out chnnel coding, (High-Speed Physical Downlink Shared Channel HS-PDSCH) passes to subscriber equipment (UE) on the channel then the data after the chnnel coding to be placed High-Speed Physical Downlink Shared Channel.The business datum of HS-DSCH Data-carrying high level.Transmitting terminal can the data block transmitted size and chnnel coding after the data block limited size in the HARQ cache size of transmitting terminal (being the base station).For UE, receive before the HS-PDSCH data, need be according to High-Speed Shared Control Channel (High-Speed Shared Control Channel, HS-SCCH) process identification (PID) (HARQ ID) of this HS-DSCH Data Receiving correspondence is determined in this user's of channel bearing control information, and UE places the HARQ buffer memory to decode the data that this identifies correspondence.If the data that UE receives have surpassed the HARQ cache size and will cause the data can't normal decoder.Therefore, for same HARQ process, UE and base station should have onesize buffer memory.In addition, base station and UE identify certain process according to HARQ ID, therefore require the process number between base station and UE to be consistent.Summary is got up, and for the HARQ process operation, the HARQ process number of safeguarding between base station and UE and the cache size of each process should be consistent.
The cache size of HARQ process is relevant with the UE ability rating, the total cache size of the direct corresponding UE of described UE ability rating, and the total cache size of UE and this UE a Transmission Time Interval (Transmission Time Interval, TTI) in institute support that the time slot of reception is relevant with the physical code channel number simultaneously.Existing high-speed packet inserts (High Speed Uplink Packet Access, HSPA) only support the CELL_DCH state in the system, (wherein HSPA is that High Speed Uplink Packet inserts (HighSpeed Uplink Packet Access, HSUPA) and the general designation of HSDPA, the HARQ process here mainly the HS-DSCH process operation with HSDPA is relevant).
The layoutprocedure of existing HARQ relevant information comprises the steps: as shown in Figure 1
Step 101:UE by Radio Resource control (RRC) layer message with the ability rating information of this UE pass to radio network controller (Radio Network Control, RNC).
Step 102:RNC trigger and the base station between Radio Link reciprocal process such as set up, increase, reshuffle.The request message of setting up, increase or reshuffling by Radio Link passes to the base station with UE ability rating information.
Step 103: after the base station receives UE ability rating information, by Radio Link foundation, increase or reconfiguration response message HARQ relevant information (HARQ info) is fed back to RNC, described HARQ relevant information comprises relevant total HARQ process number N and each process corresponding cache size of HS-DSCH operation of this UE.
Step 104:RNC passes to UE with the specific messages of HARQ relevant information by rrc layer.The specific messages of described rrc layer comprises: RRC connects foundation (RRC Connection Setup) message, radio bearer is set up (Radio bearer setup) message, and radio bearer is reshuffled (Radio bearerreconfiguration) message or transmission channel is reshuffled message such as (Transport ChannelReconfiguration).Need to prove that described rrc layer specific messages is meant the message that sends to certain particular UE, be different from the system message broadcasting (SystemInformation) that sends to a plurality of UE.
In the existing HSPA system, UE passes to RNC by up rrc layer message with UE ability rating information, RNC passes to the base station with this UE ability rating information by Radio Link correlated process related news, the base station is according to ability rating information setting HARQ process number N and each the process corresponding cache size of this UE, and generate corresponding HARQ relevant information, the base station feeds back to RNC with described HARQ relevant information, RNC disposes the HARQ relevant information to UE by the rrc layer dedicated signaling again, makes the base station consistent with the HARQ relevant information that UE safeguards by this method.Described HARQ relevant information can be expressed as again: mix the automatic buffer memory that retransmits and cut apart (HARQMemory Partitioning) information.
Increase proposition in the level system (HSPA+) at HSPA, support the HSDPA operation by CELL_FACH, CELL_PCH and URA_PCH state, to improve the descending peak rate under the described state, described technology is referred to as CELL_FACH and strengthens.The CELL_FACH wild phase is for the difference of major technique feature under the CELL_DCH state: during CELL_FACH strengthens, there are not Radio Link foundation, increase and reconfiguration course on the Iub interface, the specific ability rating information of each user just can't be mutual on Iub interface, like this in described CELL_FACH strengthens, just need all UE of agreement to support with a kind of ability rating, and for a plurality of UE identical HARQ relevant information is set, is broadcast to a plurality of UE by system message.
For the mode that adopts the agreement ability rating, generally speaking, need arrange according to minimum ability rating, in other words for most of UE, also need to adopt the HARQ relevant information of the lower ability rating correspondence of agreement even the ability rating of this UE is higher, be equivalent to limit peak rate.
Summary of the invention
In view of this, the embodiment of the invention proposes a kind of method and apparatus of collocating hybrid automatic repeat request related information, solved the problem that the HARQ relevant information of UE special use in the CELL-FACH enhanced system can't be transmitted, the UE and the network that are operated in CELL_FACH state and CELL_PCH state by the method can obtain higher peak rate.
The method of the configuration HARQ relevant information that the embodiment of the invention proposes, described HARQ relevant information comprise relevant total HARQ process number and each process corresponding cache size of HS-DSCH operation of user equipment (UE), comprise the steps:
The base station is according to the user side data frame or the control frame that receive by Iub interface, judge whether the HARQ relevant information is fed back to RNC, if, then according to ability rating information setting HARQ process number N and each the process corresponding cache size of the UE that preserves in advance, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to RNC;
The HARQ relevant information of the described UE that RNC will receive passes to UE by dedicated radio resources control RRC message;
After UE receives the HARQ relevant information by special RRC message, upgrade the HARQ relevant information of self.
The system of the collocating hybrid automatic repeat request related information that the embodiment of the invention proposes comprises radio network controller (RNC), base station and user equipment (UE), and described HARQ relevant information comprises relevant total HARQ process number and each process corresponding cache size of high-speed downlink shared channel HS-DSCH operation of user equipment (UE);
Described base station is used to preserve the HARQ relevant information of UE, reception is from the ability rating information of the UE of RNC, judge whether the HARQ relevant information is fed back to RNC, if, then according to ability rating information setting HARQ process number N and each the process corresponding cache size of UE, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to RNC;
Described RNC is used to receive the UE ability rating information from UE, and UE ability rating information is passed to the base station; Also be used to receive HARQ relevant information, and the HARQ relevant information of described UE is passed to UE by dedicated radio resources control RRC message from the UE of base station;
Described UE is used for the ability rating information of self is passed to RRC; After also being used for receiving the HARQ relevant information, upgrade the HARQ relevant information of self by special RRC message.
As can be seen from the above technical solutions, the base station judges whether the HARQ relevant information is fed back to RNC, if RNC receives the HARQ relevant information from the base station, then described HARQ relevant information is passed to UE by special RRC message, UE then upgrades the HARQ relevant information.The invention solves the problem that the HARQ relevant information of terminal-specific in the CELL_FACH enhanced system can't be transmitted, the terminal and the network that are operated in CELL_FACH state and CELL_PCH state by the method can obtain better peak rate.
Description of drawings
Fig. 1 is the configuration flow figure of HARQ relevant information of the prior art;
Fig. 2 is the flow chart of the configuration HARQ relevant information of embodiment of the invention proposition.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further elaborated below in conjunction with accompanying drawing.
The flow process of the configuration HARQ relevant information that the embodiment of the invention proposes as shown in Figure 2, it is as follows to comprise step:
Step 201:UE places up RRC message to pass to RNC UE ability rating information.Described up RRC message can be RRC connection request (RRC connection Request) message, cell update (CELL_UPDATE) message, the UTRAN registration area upgrades (UTRANRegistration Area update, URA update) message, RRC connects foundation and finishes (RRCconnection setup complete) message, and described UE ability rating information comprises HSDPA ability rating information: HS-DSCH physical layer ability rating (HS-DSCH physical layer category) information and HSUPA ability rating information: E-DCH physical layer ability rating (E-DCH physical layercategory) information.
Step 202:RNC passes to the base station with the foundation of chain of command Radio Link, increase or the reconfiguration message of UE ability rating information by Iub interface.Perhaps, RNC passes to the base station by the user side data frame or the control frame of Iub interface with UE ability rating information.
Need to prove, when the Serving RNC (SRNC) of the control RNC of described base station and UE side is not same entity, SRNC need pass to CRNC/DRNC with the ability rating information of UE by the Iur interface between itself and the CRNC/DRNC, passes to described base station by CRNC/DRNC again.The entity that is called CRNC for the base station then is called DRNC for UE.
Step 203: the base station judges whether the HARQ relevant information is fed back to RNC, if execution in step 204 then, otherwise process ends.
The foundation of described judgement can be Iub interface user side data frame or the indication information of control frame and/or the HARQ the relevant information whether base station has preserved UE ability rating correspondence that the base station receives.The base station oneself also needs to preserve the HARQ relevant information to RNC feedback HARQ relevant information the time; If the HARQ relevant information of UE ability rating correspondence has been preserved in the base station, mean that the base station fed back the HARQ relevant information, need not again to RNC feedback HARQ relevant information; If do not preserve, then need to feed back the HARQ relevant information.
The indication information of described Iub interface user side data frame or control frame can for:
Serve the HS-DSCH data frame type 2 (HS-DSCH DATAFRAME type2) that CELL_FACH strengthens;
Perhaps, serve the HS-DSCH data frame type 3 (HS-DSCHDATA FRAME type3) that CELL_PCH strengthens.
Carry the special-purpose UE sign of this UE among described HS-DSCH DATA FRAME type2 or the HS-DSCH DATA FRAMEtype3, described special-purpose UE be designated special-purpose HS-DSCH Radio Network Temporary Identifier (HS-DSCH Radio Network Temporary Identifier, H-RNTI) and/or special-purpose enhanced uplink random access channel (E-RUCCH) Radio Network Temporary Identifier (E-RNTI).
Described judging whether comprises to the step of RNC feedback HARQ relevant information:
At first the base station judges whether comprise special-purpose UE sign (H-RNTI) among HS-DSCH DATA FRMAE type2 and the HS-DSCH DATAFRMAE type3, if, then further judge among described HS-DSCH DATA FRMAE type2 and the HS-DSCH DATA FRMAE type3 whether go back carried terminal HS-DSCH ability rating information, if, then to RNC feedback HARQ relevant information, more than arbitrary not being judged as not, then to RNC feedback HARQ relevant information.
Described determination methods also comprises, if further carried the indication information that distributes the HARQ relevant information among described HS-DSCH DATAFRMAE type2 that carries special-purpose UE sign or the HS-DSCH DATA FRMAE type3, then Node B will feed back to RNC for the HARQ relevant information that this UE is provided with by the user side data frame or the control frame of Iub interface.Perhaps, the indication information that carries the distribution HARQ relevant information of carrying among the HS-DSCH DATA FRMAE type2 of special-purpose UE sign or the HS-DSCH DATA FRMAE type3 is a predetermined value.The indication information of described distribution HARQ relevant information be expressed as the HARQ buffer memory distribute indication (HARQ Memory AllocationIndication, HAI).Such as, when HARQ memory allocation Indication (HAI) appears among described HS-DSCH DATA FRMAE type2 or the HS-DSCH DATA FRMAE type3, and the value of HAI is changed to 0 or at 1 o'clock, and expression Node B need be provided with the HARQ relevant information and feed back to RNC for this UE.
Step 204: the base station is according to ability rating information setting HARQ process number N and each the process corresponding cache size of this UE, and generates corresponding HARQ relevant information, and the HARQ relevant information of described UE is sent to RNC.
The HARQ relevant information of the described UE that step 205:RNC will receive passes to UE by private downlink RRC message.Described HARQ relevant information comprises relevant total HARQ process number N and each process corresponding cache size of HS-DSCH operation of this UE.
Step 206:UE upgrades the HARQ relevant information of self with the HARQ relevant information in the private downlink RRC message that receives.
For the UE of CELL_FACH state, if by special-purpose RRC message sink to the HARQ relevant information, then the HARQ relevant information of the acquisition from system message is broadcasted that will preserve of UE replaces with RRC message sink by special use to the HARQ relevant information.
Perhaps, UE keeps the HARQ relevant information in original system message broadcasting, and preservation receives the HARQ relevant information by special RRC message;
If UE sends in the upstream message and has carried HSPA ability rating information, then UE when using public H-RNTI, the HARQ relevant information in the using system information broadcast; When UE uses dedicated H-RNTI, then use the HARQ relevant information that receives by special RRC message.
The embodiment of the invention also proposes a kind of system of collocating hybrid automatic repeat request related information, comprise RNC, base station and UE, described HARQ relevant information comprises relevant total HARQ process number and each process corresponding cache size of HS-DSCH operation of user equipment (UE);
Described base station is used to preserve the HARQ relevant information of UE, reception is from the ability rating information of the UE of RNC, judge whether the HARQ relevant information is fed back to RNC, if, then according to ability rating information setting HARQ process number N and each the process corresponding cache size of UE, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to RNC;
Described RNC is used to receive the UE ability rating information from UE, and UE ability rating information is passed to the base station; Also be used to receive HARQ relevant information, and the HARQ relevant information of described UE is passed to UE by dedicated radio resources control RRC message from the UE of base station;
Described UE is used for the ability rating information of self is passed to RRC; After also being used for receiving the HARQ relevant information, upgrade the HARQ relevant information of self by special RRC message.
Preferably, described UE comprises:
Update module is used to receive the special RRC message of carrying the HARQ relevant information, and the HARQ relevant information of carrying in the described special RRC message is sent to memory module;
Memory module is used to store the HARQ relevant information; When the HARQ relevant information received from update module, the HARQ relevant information of being stored is updated to HARQ relevant information from update module.
Perhaps, described UE comprises:
First memory module is used for the HARQ relevant information that the storage system information broadcast obtains;
Update module is used to receive the special RRC message of carrying the HARQ relevant information, and the HARQ relevant information of carrying in the described special RRC message is sent to second memory module
Second memory module is used to store the HARQ relevant information from described update module.
Like this, UE uses the HARQ relevant information in first memory module when using public H-RNTI; When UE uses dedicated H-RNTI, then use the HARQ relevant information in second memory module.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. one kind is disposed the method for mixing the automatic HARQ of re-transmission relevant information, described HARQ relevant information comprises relevant total HARQ process number and each process corresponding cache size of high-speed downlink shared channel HS-DSCH operation of user equipment (UE), it is characterized in that, comprise the steps:
The base station is according to the user side data frame or the control frame that receive by Iub interface, judge whether the HARQ relevant information is fed back to RNC, if, then according to ability rating information setting HARQ process number N and each the process corresponding cache size of the UE that preserves in advance, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to RNC;
The HARQ relevant information of the described UE that RNC will receive passes to UE by dedicated radio resources control RRC message;
After UE receives the HARQ relevant information by special RRC message, upgrade the HARQ relevant information of self.
2. method according to claim 1 is characterized in that, described base station judges whether that according to the user side data frame or the control frame that receive by Iub interface the step that the HARQ relevant information is fed back to RNC comprises at least as one of judging:
The base station judges in the user side data frame that receives by Iub interface or the control frame whether carry the indication information that distributes the HARQ relevant information;
The base station judges whether the indication information of the distribution HARQ relevant information of carrying in the user side data frame that receives by Iub interface or the control frame is predetermined value.
3. method according to claim 2, it is characterized in that, the ability rating information setting HARQ process number N of the UE that described basis is preserved in advance and each process corresponding cache size, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to before the RNC, further comprises:
The base station judges whether to have sent the HARQ relevant information to RNC, if, process ends then; If not, then carry out described subsequent step.
4. method according to claim 1 is characterized in that, described special RRC message is: message is set up in the RRC connection, radio bearer is set up message, radio bearer reconfiguration message or transmission channel reconfiguration message.
5. method according to claim 1 is characterized in that, described base station is according to the user side data frame or the control frame that receive by Iub interface, judges whether the HARQ relevant information is fed back to before the RNC, further comprises:
UE places up RRC message to pass to RNC the ability rating information of self;
RNC passes to the base station with the foundation of chain of command Radio Link, increase or the reconfiguration message of UE ability rating information by Iub interface;
The UE ability rating information in Radio Link foundation, increase or the reconfiguration message of being received is preserved in the base station.
6. method according to claim 5 is characterized in that, described up RRC message is cell update message or UTRAN registration area updating message.
7. according to each described method of claim 1 to 6, it is characterized in that after described UE received the HARQ relevant information by special RRC message, the HARQ relevant information of upgrading self comprised:
UE keeps the HARQ relevant information in original system message broadcasting, and preservation receives the HARQ relevant information by special RRC message;
UE sends in the upstream message and carries HSPA ability rating information, then UE when using public H-RNTI, the HARQ relevant information in the using system information broadcast; When UE uses dedicated H-RNTI, then use the HARQ relevant information that receives by special RRC message.
8. according to each described method of claim 1 to 6, it is characterized in that after described UE received the HARQ relevant information by special RRC message, the HARQ relevant information of upgrading self comprised:
The HARQ relevant information that obtains from system message broadcasting that UE will preserve replaces with RRC message sink by special use to the HARQ relevant information.
9. the system of a collocating hybrid automatic repeat request related information, comprise radio network controller (RNC), base station and user equipment (UE), described HARQ relevant information comprises relevant total HARQ process number and each process corresponding cache size of high-speed downlink shared channel HS-DSCH operation of user equipment (UE); It is characterized in that,
Described base station is used to preserve the HARQ relevant information of UE, reception is from the ability rating information of the UE of RNC, judge whether the HARQ relevant information is fed back to RNC, if, then according to ability rating information setting HARQ process number N and each the process corresponding cache size of UE, and generate corresponding HARQ relevant information, the HARQ relevant information of described UE is sent to RNC;
Described RNC is used to receive the UE ability rating information from UE, and UE ability rating information is passed to the base station; Also be used to receive HARQ relevant information, and the HARQ relevant information of described UE is passed to UE by dedicated radio resources control RRC message from the UE of base station;
Described UE is used for the ability rating information of self is passed to RRC; After also being used for receiving the HARQ relevant information, upgrade the HARQ relevant information of self by special RRC message.
10. system according to claim 9 is characterized in that, described UE comprises:
Update module is used to receive the special RRC message of carrying the HARQ relevant information, and the HARQ relevant information of carrying in the described special RRC message is sent to memory module;
Memory module is used to store the HARQ relevant information; When the HARQ relevant information received from update module, the HARQ relevant information of being stored is updated to HARQ relevant information from update module.
11. system according to claim 8 is characterized in that, described UE comprises:
First memory module is used for the HARQ relevant information that the storage system information broadcast obtains;
Update module is used to receive the special RRC message of carrying the HARQ relevant information, and the HARQ relevant information of carrying in the described special RRC message is sent to second memory module
Second memory module is used to store the HARQ relevant information from described update module.
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| CN109922505B (en) * | 2013-11-01 | 2023-04-18 | 华为技术有限公司 | Method and device for transmitting configuration message |
| CN109922505A (en) * | 2013-11-01 | 2019-06-21 | 华为技术有限公司 | Configure the transmission method and device of message |
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| CN112970282B (en) * | 2018-11-05 | 2024-04-05 | 上海诺基亚贝尔股份有限公司 | Methods, devices and computer readable media for HARQ process configuration |
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