CN103313270A - Method and device for enhancing uplink coverage, and base station - Google Patents
Method and device for enhancing uplink coverage, and base station Download PDFInfo
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- CN103313270A CN103313270A CN201210069078XA CN201210069078A CN103313270A CN 103313270 A CN103313270 A CN 103313270A CN 201210069078X A CN201210069078X A CN 201210069078XA CN 201210069078 A CN201210069078 A CN 201210069078A CN 103313270 A CN103313270 A CN 103313270A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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Abstract
The invention discloses a method and a device for enhancing uplink coverage, and a base station. The method comprises the step that a network side controls UE (user equipment) to use more than two HARQ (hybrid automatic repeat request) processes to transmit the same UL (uplink) transmission block. According to the method disclosed by the invention, the base station controls the UE to use more than two HARQ processes to transmit the same UL transmission block and controls the enhancement of the uplink coverage by controlling the cluster length of the TTI (transmission time interval) and the maximum trial transmission times of the HARQ processes, so that not only can the coverage performance of the UL be improved, but also the flexibility of the resource allocation can be realized.
Description
Technical field
The present invention relates to the enhanced uplink soverlay technique, relate in particular to method that a kind of enhanced uplink covers and device, base station.
Background technology
Long Term Evolution (LTE, Long Term Evolution) Radio Access Network of system comprises: the Node B of enhancing (eNB) and subscriber equipment (UE, User Equipment), wherein, the Node B that strengthens links to each other with core network or other network, and intercoms mutually by wave point and the UE realization that is arranged in the residential quarter that this Node B serves.Yet, at cell edge, sometimes UE meeting power limited, namely their transmitted power is not enough to reach the transmission error rate of target, and namely so-called Block Error Rate (BLER, Block Error Ratio) does not reach desired value.Therefore, need to seek the solution of the covering of the UE that is used for the enhancing power limited, namely need to seek the solution that enhanced uplink (UL, Uplink) covers.At present, transmission time interval (tti) bundle (TTI Bundling, Transmission Time Interval Bundling) is for the prior art that realizes the UL coverage enhancement.At present, in the 3rd generation partner program (3GPP, 3rd Generation Partnership Project) LTE system, transmission time interval (tti) bundle thought is proposed and adopts.
So-called TTI boundling refers to that scheduler is that UE distributes the Radio Resource that surpasses 1 Transmission Time Interval.Make UE on continuous Transmission Time Interval, send continuously the redundancy versions (RV, Redundancy Version) of same transmission block, and aforesaid operations is regarded as 1 transmission attempt of UE.Wherein, the TTI boundling is realized by the logical resource control signal.Yet the TTI boundling has limited to a certain extent scheduler and has carried out the flexibility that resource is distributed, especially in the excessive situation of boundling length.Up to the present, still do not have good solution, be used for strengthening the covering of UL, take into account simultaneously the flexibility that resource is distributed.
Summary of the invention
In view of this, main purpose of the present invention is to provide method that a kind of enhanced uplink covers and device, base station, can improve the covering performance of UL, and realize the flexibility that resource is distributed.
For achieving the above object, technical scheme of the present invention is achieved in that
The method that a kind of enhanced uplink covers comprises:
Network controls UE uses two above HARQ processes to send same UL transmission block.
Preferably, described method also comprises:
Described network side stops indication to described UE transmission with described two above HARQ processes one to one after being correctly decoded described UL transmission block.
Preferably, described network controls UE uses two above HARQ processes to send same UL transmission block, for:
Described network side is controlled described UE and is used described two above HARQ processes to send described same UL transmission block by sending to described UE and described two above HARQ processes UL grant information one to one.
Preferably, described UL grant information comprises:
Single Transmission Time Interval TTI time/frequency source block assignment information, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag.
Preferably, described network side sends with described two above HARQ processes one to one before the UL grant information to described UE, and described method also comprises:
Described network side is notified described UE by proprietary system message with following at least a information:
The redundancy versions RV that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.
Preferably, described HARQ process sets bundle flag represent current HARQ process the UL grant information whether with the corresponding identical UL transmission block of the UL grant information of front HARQ process.
Preferably, described method also comprises:
When the UL grant information of certain the HARQ process that belongs to described two above HARQ processes changed, described network side sent UL grant information after the change relevant with described certain HARQ process to described UE.
Preferably, described method also comprises:
After described network side receives the redundancy versions RV relevant with described UL transmission block that described UE sends by certain the HARQ process that belongs to described two above HARQ processes, all RVs relevant with described UL transmission block that utilize received described UE to send by described two above HARQ processes described UL transmission block of decoding, and feed back successfully decoded whether the message relevant with described certain HARQ process to described UE setting TTI.
Preferably, described network side is the base station.
The device that a kind of enhanced uplink covers comprises:
Control unit is used for control UE and uses plural HARQ process UE to send same UL transmission block.
Preferably, described device also comprises decoding unit and transmitting element, wherein:
Decoding unit is for the UL transmission block of decoding HARQ process;
Transmitting element after being correctly decoded the UL transmission block of certain HARQ process, stops indication to described UE transmission with described two above HARQ processes one to one.
Preferably, described control unit also is used for, and is sent and described two above HARQ processes UL grant information one to one to described UE by described transmitting element, controls described UE and uses described two above HARQ processes to send described same UL transmission block.
Preferably, described UL grant information comprises:
Time/frequency source block assignment information among the single TTI, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag.
Preferably, described transmitting element sends with described two above HARQ processes to described UE and one to one before the UL grant information, also is used for, and notifies described UE by proprietary system message with following at least a information:
The redundancy versions RV that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.
Preferably, described transmitting element also is used for, and when the UL grant information of certain the HARQ process that belongs to described two above HARQ processes changed, described network side sent UL grant information after the change relevant with described certain HARQ process to described UE.
Preferably, described device also comprises:
Receiving element is used for receiving the redundancy versions RV relevant with described UL transmission block that described UE sends by certain the HARQ process that belongs to described two above HARQ processes;
Described decoding unit also is used for, utilize the RV of all HARQ processes relevant with described UL transmission block that received described UE sends by described two the above HARQ processes described UL transmission block of decoding, and setting TTI to feeding back successfully decoded whether the message relevant with described certain HARQ process by described transmitting element to described UE.
A kind of base station, the device that aforementioned enhanced uplink covers.
Among the present invention, the base station uses plural HARQ process to send same UL transmission block by control UE, and by controlling the maximum trial the number of transmissions of Transmission Time Interval TTI boundling length and HARQ process, the control that realization covers enhanced uplink, not only improve the covering performance of UL, also realized the flexibility that resource is distributed.
Description of drawings
Fig. 1 is the schematic diagram of redundancy versions RV;
Fig. 2 is that the HARQ process of the passing through boundling of the embodiment of the invention is realized the schematic diagram that the head of up UL transmission block passes;
Fig. 3 is the schematic diagram that HARQ process boundling and Transmission Time Interval TTI boundling realize that the head of up UL transmission block passes that passes through of the embodiment of the invention;
Fig. 4 is the schematic diagram that the HARQ process of the passing through boundling of the embodiment of the invention is realized the re-transmission of up UL transmission block;
Fig. 5 is the schematic diagram that HARQ process boundling and Transmission Time Interval TTI boundling are realized the re-transmission of up UL transmission block that passes through of the embodiment of the invention;
Fig. 6 is the composition structural representation of the device of the up UL covering of the enhancing of the embodiment of the invention;
Fig. 7 is the composition structural representation that another of the embodiment of the invention strengthens the device that up UL covers.
Embodiment
Basic thought of the present invention is: the base station uses plural HARQ process to send same UL transmission block by control UE, and by controlling the maximum trial the number of transmissions of Transmission Time Interval TTI boundling length and HARQ process, the control that realization covers enhanced uplink, not only improve the covering performance of UL, also realized the flexibility that resource is distributed.
For making purpose of the present invention, technical scheme and advantage are clearer, and by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
The LTE system adopts incremental redundancy (IR, Incremental Redundancy) the mixed automatic retransfer request (HARQ of form, Hybrid Automatic Repeat reQuest) realizes the error control mechanism of physical layer, with the requirement that guarantees service quality.Wherein, in order to realize the HARQ transmission of IR form, the RV design is adopted by the LTE system and is used.And RV refer to begin from the predetermined bit position of channel encoder output sequence to circulate the one by one bit sequence of predetermined length of output; Wherein, described predetermined length is relevant with resource allocated size and modulation scheme.Fig. 1 is the schematic diagram of redundancy versions, and as shown in Figure 1, each RV has defined a transmission starting point, transmits first with the HARQ re-transmission of each time and uses respectively different RV, is used for realizing the progressively accumulation of redundant bit, thereby finishes the HARQ operation of IR form.
Embodiment one
In this example, suppose that the Node B of enhancing is served UE, and uplink service is activated.
Fig. 2 is that the HARQ process of the passing through boundling of the embodiment of the invention is realized the schematic diagram that the head of up UL transmission block passes, as shown in Figure 2, in Transmission Time Interval TTI 1 scope, the Node B that strengthens is by being contained in down link (DL, Down Link) the UL grant information about HARQ process 1 of the Physical Downlink Control Channel of bandwidth (PDCCH, Physical Downlink Control CHannel) carrying is that UE uplink transmission block to be transmitted distributes HARQ process 1 (corresponding with Transmission Time Interval TTI 5) resource; Similarly, in Transmission Time Interval TTI 6 scopes, the Node B of enhancing is that UE UL transmission block to be transmitted distributes HARQ process 2 (corresponding with Transmission Time Interval TTI 7) resource by the UL grant information about HARQ process 2.Wherein, described UL grant information comprises: the time/frequency source block assignment information among the single TTI, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag; Wherein, the UL grant information that HARQ process sets bundle flag represents current HARQ process whether with the corresponding same transmission of UL grant information of front HARQ process, particularly, the UL grant information and the corresponding different transmission blocks of the UL grant information of front HARQ process of " 0 " expression current HARQ process, transmission block corresponding to " 1 " expression.Take current embodiment as example, the HARQ process sets bundle flag relevant with HARQ process 1 is set to " 0 ", the HARQ process sets bundle flag relevant with HARQ process 2 is set to " 1 ", i.e. HARQ process 1 and the corresponding identical UL transmission block of the UL grant information of HARQ process 2.
UE carries out following operation in the initial Transmission Time Interval span that finishes to Transmission Time Interval TTI 4 of Transmission Time Interval TTI 1: step 1 receives and described PDCCH that decoding Transmission Time Interval TTI 1 DL portions of bandwidth comprises carries the UL grant information relevant with HARQ process 1; Here, suppose the UE described UL grant information that correctly receives and decoded.Step 2 is judged the current new UL transmission block that whether sends according to the HARQ process sets bundle flag relevant with HARQ process 1; Here, because described and HARQ process 1 relevant HARQ process sets bundle flag be " 0 ", therefore, the new UL transmission block of definite transmission.UE operates below Transmission Time Interval TTI 5 interior execution: send described new UL transmission block according to the UL grant information relevant with HARQ process 1, described UL grant information comprises: single TTI time/frequency source block assignment information, Modulation and Coding Scheme and power control command.
UE carries out following operation in the initial Transmission Time Interval spans that finish to Transmission Time Interval TTI 9 of Transmission Time Interval TTI 6: step 1 receives and described PDCCH that decoding Transmission Time Interval TTI6 DL portions of bandwidth comprises carries the UL grant information relevant with HARQ process 2; Here, suppose the UE described UL grant information that correctly receives and decoded.Step 2 is judged the current new UL transmission block that whether sends according to the HARQ process sets bundle flag relevant with HARQ process 2; Here, because described and HARQ process 2 relevant HARQ process sets bundle flags be " 1 ", therefore, the UL transmission block that definite transmission and front HARQ process 1 are identical.UE operates below Transmission Time Interval TTI 10 interior execution: send the identical UL transmission block of described and process 1 according to the UL grant information relevant with HARQ process 2, described UL grant information comprises: single Transmission Time Interval time/frequency source block assignment information, Modulation and Coding Scheme and power control command.
Embodiment two
In this example, suppose that the Node B of enhancing is served UE, and uplink service is activated.
The Node B that strengthens is by being carried on the following information of radio frequency resource control signal notice UE in the UE proprietary system message: the RV that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.Particularly, in this example, suppose that TTI boundling enabler flags is set to " 1 ", expression TTI boundling function is enabled, and boundling length is 4, and the redundancy versions that continuous boundling subframe relevant to the TTI boundling sends is: { RV0, RV1, RV2, RV3}.
Radio frequency resource control signal in UE reception and the described system message of decoding obtains and preserves following information: the RV information that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.
Fig. 3 is the schematic diagram that HARQ process boundling and transmission time interval (tti) bundle realize that the head of up UL transmission block passes that passes through of the embodiment of the invention, as shown in Figure 3, in Transmission Time Interval TTI 1 scope, the UL grant information about HARQ process 1 that the Node B of enhancing is carried by the PDCCH that is contained in the DL bandwidth is that UE uplink transmission block to be transmitted distributes HARQ process 1 (corresponding with Transmission Time Interval TTI 5) resource; Similarly, in Transmission Time Interval TTI 9 scopes, the Node B of enhancing is that UE UL transmission block to be transmitted distributes HARQ process 2 (corresponding with Transmission Time Interval TTI 13) resource by the UL grant information about HARQ process 2.Here, the UL grant information comprises: single Transmission Time Interval time/frequency source block assignment information, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag; Wherein, HARQ process sets bundle flag represent current HARQ process UL grant information whether with the corresponding same transmission of UL grant information of front HARQ process, particularly, the up grant information of " 0 " expression current HARQ process and the corresponding different transmission blocks of the up grant information of front HARQ process, " 1 " represents corresponding same transmission.Take current embodiment as example, the HARQ process sets bundle flag relevant with HARQ process 1 is set to " 0 ", the HARQ process sets bundle flag relevant with HARQ process 2 is set to " 1 ", and namely HARQ process 1 is authorized corresponding identical UL transmission block waiting for transmission with the UL of HARQ process 2.
UE carries out following operation in the initial Transmission Time Interval span that finishes to Transmission Time Interval TTI 4 of Transmission Time Interval TTI 1: step 1 receives and described PDCCH that decoding Transmission Time Interval TTI 1 DL portions of bandwidth comprises carries the UL grant information relevant with HARQ process 1; Here, suppose the UE described UL grant information that correctly receives and decoded.Step 2 is judged the current new UL transmission block that whether sends according to the HARQ process sets bundle flag relevant with HARQ process 1; Here, because described and HARQ process 1 relevant HARQ process sets bundle flag be " 0 ", therefore, the new UL transmission block of definite transmission.Step 3 is judged the current transmission time interval (tti) bundle function that whether enables according to TTI boundling enabler flags, if the judgment is Yes, then obtains the RV information that TTI boundling length and the continuous boundling subframe relevant with the TTI boundling send; Here, current TTI boundling function is enabled, and boundling length is 4, and the RV that the continuous boundling subframe relevant with the TTI boundling sends is: { RV0, RV1, RV2, RV3}.
UE carries out following the operation in the Transmission Time Interval span that Transmission Time Interval TTI 5 begins to finish to Transmission Time Interval TTI 8: send described new UL transmission block according to UL grant information and the TTI boundling information relevant with HARQ process 1; Described UL grant information comprises: single Transmission Time Interval time/frequency source block assignment information, Modulation and Coding Scheme and power control command, TTI boundling information comprises: the RV information that boundling length, continuous boundling subframe send.Particularly, send uplink transmission block RV0 at Transmission Time Interval TTI 5, send uplink transmission block RV1 at Transmission Time Interval TTI 6, send uplink transmission block RV2 at Transmission Time Interval TTI 7, send uplink transmission block RV3 at Transmission Time Interval TTI 8.
UE carries out following operation in the Transmission Time Interval span that Transmission Time Interval TTI 9 begins to finish to Transmission Time Interval TTI 12: step 1 receives and described PDCCH that decoding Transmission Time Interval TTI 9 DL portions of bandwidth comprise carries the UL grant information relevant with HARQ process 2; Here, suppose the UE described UL grant information that correctly receives and decoded.Step 2 is judged the current new UL transmission block that whether sends according to the HARQ process sets bundle flag relevant with HARQ process 2; Particularly, because described and HARQ process 2 relevant HARQ process sets bundle flags be " 1 ", therefore, the UL transmission block that definite transmission and process 1 are identical.Step 3 is judged the current TTI boundling function that whether enables according to Transmission Time Interval TTI boundling enabler flags, if the judgment is Yes, then obtains the RV information that TTI boundling length and the continuous boundling subframe relevant with Transmission Time Interval TTI boundling send; Here, current transmission time interval TTI boundling function is enabled, and boundling length is 4, and the RV information that continuous boundling subframe sends is: { RV0, RV1, RV2, RV3}.
UE carries out following operation in the Transmission Time Interval span that Transmission Time Interval TTI 13 begins to finish to Transmission Time Interval TTI 16: send the identical UL transmission block of described and HARQ process 1 according to the UL grant information relevant with HARQ process 2 and Transmission Time Interval TTI boundling information; Wherein, described UL grant information comprises: single Transmission Time Interval time/frequency source block assignment information, Modulation and Coding Scheme and power control command, Transmission Time Interval TTI boundling information comprises: the RV information that boundling length, continuous boundling subframe send.Particularly, send transmission block RV0 at Transmission Time Interval TTI 13, send transmission block RV1 at Transmission Time Interval TTI 14, send transmission block RV2 at Transmission Time Interval TTI 15, send transmission block RV3 at Transmission Time Interval TTI 16.
Embodiment three
In this example, suppose that the Node B of enhancing is served UE, and uplink service is activated.Suppose the one described method according to embodiment, finished during the 1st transmission attempt of UL transmission block in 2 HARQ processes.
Fig. 4 is the schematic diagram that the HARQ process of the passing through boundling of the embodiment of the invention is realized the re-transmission of up UL transmission block, as shown in Figure 4, begin to the Transmission Time Interval span of Transmission Time Interval TTI 4 end from Transmission Time Interval TTI 1, the Node B that strengthens receives the 1st transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV decoding of HARQ process 1 UL transmission block; In Transmission Time Interval TTI5, the Node B that strengthens sends and replys with the 1st the relevant ack/nack of transmission attempt of HARQ process 1 (ACK/NACK), if the UL transmission block is correctly decoded, then sends sure ACK and replys, otherwise, send the NACK that negates and reply.Begin to the Transmission Time Interval span of Transmission Time Interval TTI9 end from Transmission Time Interval TTI 6, the Node B that strengthens receives the 1st transmission attempt RV of HARQ process 2, and according to the 1st transmission attempt RV of HARQ process 1 and the 1st transmission attempt RV decoding of HARQ process 2 UL transmission block; In Transmission Time Interval TTI 10, the Node B of enhancing sends and replys with the ACK/NACK of the 1st the relevant ack/nack of transmission attempt of HARQ process 2, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 10 end from Transmission Time Interval TTI 5, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 1st time transmission attempt is relevant on the Physical HARQ Indicator Channel (PHICH, Physical HARQ Indicator Channel); If above-mentioned replying as sure ACK replys, HARQ process 1 transmission ending then, otherwise in Transmission Time Interval TTI 11, UE carries out the 2nd transmission attempt of HARQ process 1.Begin to the Transmission Time Interval span of Transmission Time Interval TTI 15 end from Transmission Time Interval TTI 10, UE receives and decoding is carried on replying with the HARQ process 2 ack/nack ACK/NACK that the 1st time transmission attempt is relevant on the PHICH; If above-mentioned replying as sure ACK replys, HARQ process 2 transmission endings, otherwise in Transmission Time Interval TTI 16, UE carries out the 2nd transmission attempt of HARQ process 2.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 14 end from Transmission Time Interval TTI 11, the Node B that strengthens receives the 2nd transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, and the 1st transmission attempt RV decoding of HARQ process 2 UL transmission block.In Transmission Time Interval TTI 15, the Node B of enhancing sends and replys with the ACK/NACK of the 2nd the relevant ack/nack of transmission attempt of HARQ process 1, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.Begin to the Transmission Time Interval span of Transmission Time Interval TTI 19 end from Transmission Time Interval TTI 16, the Node B that strengthens receives the 2nd transmission attempt RV of HARQ process 2, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV decoding of the 1st transmission attempt RV of HARQ process 2 and HARQ process 2 UL transmission block; In Transmission Time Interval TTI 20, the Node B that strengthens sends and replys with the ACK/NACK of the 2nd ack/nack that transmission attempt is relevant of HARQ process 2, if the UL transmission block is correctly decoded, then sends sure ACK and replys, otherwise, send the NACK that negates and reply.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 20 end from Transmission Time Interval TTI 15, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 2nd time transmission attempt is relevant on the PHICH; If above-mentioned replying as sure ACK replys, HARQ process 1 transmission ending then, otherwise in the span that begins to finish to Transmission Time Interval TTI 36 from Transmission Time Interval TTI 33, UE carries out the 3rd transmission attempt of HARQ process 1; In the Transmission Time Interval span of Transmission Time Interval TTI 32 beginnings, UE receives and decoding is carried on replying with the HARQ process 2 ack/nack ACK/NACK that the 2nd time transmission attempt is relevant on the PHICH; HARQ process 2 transmission endings.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 24 end from Transmission Time Interval TTI 21, the Node B that strengthens receives the 3rd transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, the 3rd transmission attempt RV of process 1, the 2nd transmission attempt RV decoding of the 1st transmission attempt RV of HARQ process 2 and HARQ process 2 UL transmission block.In Transmission Time Interval TTI 25, the Node B of enhancing sends and replys with the ACK/NACK of the 3rd the relevant ack/nack of transmission attempt of HARQ process 1, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.In the Transmission Time Interval span of Transmission Time Interval TTI 25 beginnings, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 3rd time transmission attempt is relevant on the PHICH; HARQ process 1 transmission ending.
If the Node B that strengthens requires the follow-up corresponding up grant information of again transmission attempt process change of certain HARQ process (comprising Transmission Time Interval time-frequency resource allocating, Modulation and Coding Scheme and power control), the Node B of enhancing need to send the UL grant information relevant with described HARQ process again by PDCCH.For example, suppose that the Node B that strengthens requires the 2nd transmission attempt of HARQ process 1 different with the UL grant information of the 1st transmission attempt of the 3rd transmission attempt and HARQ process 1, the Node B that strengthens also needs the extra following operation of carrying out: in Transmission Time Interval TTI 7, the Node B of enhancing sends the UL grant information relevant with HARQ process 1 again by PDCCH.UE also need additionally carry out following operation: begin to the Transmission Time Interval span of TTI 10 end from Transmission Time Interval TTI 7, UE receives and decoding be carried on the PDCCH with HARQ process 1 relevant UL grant information, then, according to the UL grant information of above-mentioned up-to-date reception replace preserve with HARQ process 1 relevant UL grant information.
According to the present embodiment as can be known, the Node B that strengthens has following characteristics: suppose that the Node B that strengthens has been correctly decoded the UL transmission block, and sent the sure ACK relevant with some HARQ processes and replied, if another HARQ process not yet stops, the Node B that then strengthens is also replied sending the sure ACK relevant with another HARQ process, to stop respectively the HARQ transmission course of UL transmission block on two HARQ processes.
Embodiment four
In this example, suppose that the Node B of enhancing is served UE, and uplink service is activated.Suppose the two described methods according to embodiment, 1st transmission attempt of UL transmission block in 2 HARQ processes is done.
Fig. 5 is the schematic diagram that HARQ process boundling and transmission time interval (tti) bundle are realized the re-transmission of up UL transmission block that passes through of the embodiment of the invention, as shown in Figure 5, begin to the Transmission Time Interval span of Transmission Time Interval TTI 7 end from Transmission Time Interval TTI 1, the Node B that strengthens receives the 1st transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV decoding of HARQ process 1 UL transmission block; In Transmission Time Interval TTI 8, the Node B of enhancing sends and replys with the ACK/NACK of the 1st the relevant ack/nack of transmission attempt of HARQ process 1, if the UL transmission block is correctly decoded, then sends sure ACK and reply, otherwise, send the NACK that negates and reply.Begin to the Transmission Time Interval span of Transmission Time Interval TTI 15 end from Transmission Time Interval TTI 9, the Node B that strengthens receives the 1st transmission attempt RV of HARQ process 2, and according to the 1st transmission attempt RV of HARQ process 1 and the 1st transmission attempt RV decoding of HARQ process 2 UL transmission block; In Transmission Time Interval TTI 16, the Node B of enhancing sends and replys with the ACK/NACK of the 1st the relevant ack/nack of transmission attempt of HARQ process 2, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 16 end from Transmission Time Interval TTI 8, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 1st time transmission attempt is relevant on the PHICH; If above-mentioned replying as sure ACK replys, HARQ process 1 transmission ending then, otherwise in the span that begins to finish to Transmission Time Interval TTI 20 from Transmission Time Interval TTI 17, UE carries out the 2nd transmission attempt of HARQ process 1.Begin to the Transmission Time Interval span of Transmission Time Interval TTI 24 end from Transmission Time Interval TTI 16, UE receives and decoding is carried on replying with the HARQ process 2 ack/nack ACK/NACK that the 1st time transmission attempt is relevant on the PHICH; If above-mentioned replying as sure ACK replys, HARQ process 2 transmission endings, otherwise, beginning to the span of Transmission Time Interval TTI 28 end from Transmission Time Interval TTI 25, UE carries out the 2nd transmission attempt of HARQ process 2.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 23 end from Transmission Time Interval TTI 17, the Node B that strengthens receives the 2nd transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, and the 1st transmission attempt RV decoding of HARQ process 2 UL transmission block.In Transmission Time Interval TTI 24, the Node B of enhancing sends and replys with the ACK/NACK of the 2nd the relevant ack/nack of transmission attempt of HARQ process 1, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.Begin to the Transmission Time Interval span of Transmission Time Interval TTI 31 end from Transmission Time Interval TTI 25, the Node B that strengthens receives the 2nd transmission attempt RV of HARQ process 2, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV decoding of the 1st transmission attempt RV of HARQ process 2 and HARQ process 2 UL transmission block; In Transmission Time Interval TTI 32, the Node B that strengthens sends and replys with the ACK/NACK of the 2nd ack/nack that transmission attempt is relevant of HARQ process 2, if the UL transmission block is correctly decoded, then sends sure ACK and replys, otherwise, send the NACK that negates and reply.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 32 end from Transmission Time Interval TTI 24, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 2nd time transmission attempt is relevant on the PHICH; If above-mentioned replying as sure ACK replys, HARQ process 1 transmission ending then, otherwise in the span that begins to finish to Transmission Time Interval TTI 36 from Transmission Time Interval TTI 33, UE carries out the 3rd transmission attempt of HARQ process 1; In the Transmission Time Interval span of Transmission Time Interval TTI 32 beginnings, UE receives and decoding is carried on replying with the HARQ process 2 ack/nack ACK/NACK that the 2nd time transmission attempt is relevant on the PHICH; HARQ process 2 transmission endings.
Begin to the Transmission Time Interval span of Transmission Time Interval TTI 39 end from Transmission Time Interval TTI 33, the Node B that strengthens receives the 3rd transmission attempt RV of HARQ process 1, and according to the 1st transmission attempt RV of HARQ process 1, the 2nd transmission attempt RV of HARQ process 1, the 3rd transmission attempt RV of process 1, the 2nd transmission attempt RV decoding of the 1st transmission attempt RV of HARQ process 2 and HARQ process 2 UL transmission block.In Transmission Time Interval TTI 40, the Node B of enhancing sends and replys with the ACK/NACK of the 3rd the relevant ack/nack of transmission attempt of HARQ process 1, if the UL transmission block is correctly decoded, sends and affirm that ACK replys, otherwise sending negates that NACK replys.In the Transmission Time Interval span of Transmission Time Interval TTI 40 beginnings, UE receives and decoding is carried on replying with the HARQ process 1 ack/nack ACK/NACK that the 3rd time transmission attempt is relevant on the PHICH; HARQ process 1 transmission ending.
If the Node B that strengthens requires the follow-up corresponding up grant information of again transmission attempt process change of certain HARQ process, then need again to send the UL grant information relevant with described HARQ process by PDCCH.For example, suppose that the Node B that strengthens requires the 2nd transmission attempt of HARQ process 1 different with the UL grant information of the 1st transmission attempt of the 3rd transmission attempt and HARQ process 1, the Node B that strengthens also needs the extra following operation of carrying out: in Transmission Time Interval TTI 13, the Node B of enhancing sends the UL grant information relevant with HARQ process 1 again by PDCCH.UE also need additionally carry out following operation: begin to the Transmission Time Interval span of TTI 16 end from Transmission Time Interval TTI 13, UE receives and decoding be carried on the PDCCH with HARQ process 1 relevant UL grant information, then, according to the UL grant information of above-mentioned up-to-date reception replace preserve with HARQ process 1 relevant UL grant information.
According to the present embodiment as can be known, the Node B that strengthens has following characteristics: suppose that the Node B that strengthens has been correctly decoded the UL transmission block, and sent the sure ACK relevant with some HARQ processes and replied, if another HARQ process not yet stops, the Node B that then strengthens is also replied sending the sure ACK relevant with another HARQ process, to stop respectively the HARQ transmission course of UL transmission block on two HARQ processes.
Among the present invention, although the HARQ process shown in the accompanying drawing all is to begin to transmit from the TTI that is numbered " 1 ", but those skilled in the art are to be understood that, it only is exemplary explanation among the figure, the HARQ process can begin from the TTI of arbitrary numbering to transmit, and is not limited to the HARQ process among the present invention and begins to transmit from initial TTI.
Among the present invention, the base station uses plural HARQ process to send same UL transmission block by control UE, and by controlling the maximum trial the number of transmissions of Transmission Time Interval TTI boundling length and HARQ process, the control that realization covers enhanced uplink, not only improve the covering performance of UL, also realized the flexibility that resource is distributed.Need to prove, in the situation that do not conflict, each feature among the embodiment of the invention and the embodiment is combination in any mutually.
Fig. 6 is the composition structural representation of the device that covers of the enhanced uplink of the embodiment of the invention, and as shown in Figure 6, the device that the enhanced uplink of this example covers comprises:
Control unit 60 is used for control UE and uses plural HARQ process UE to send same UL transmission block.
Fig. 7 is the composition structural representation of the device that covers of another enhanced uplink of the embodiment of the invention, as shown in Figure 7, on the basis of the device that enhanced uplink shown in Figure 6 covers, the device that enhanced uplink of the present invention covers can also comprise decoding unit 61 and transmitting element 62, wherein:
Decoding unit 61 is for the UL transmission block of decoding HARQ process;
Transmitting element 62 is used for after being correctly decoded the UL transmission block of certain HARQ process, sends with described two above HARQ processes to described UE and stops one to one indication.Above-mentioned control unit 60 also is used for, and is sent and described two above HARQ processes UL grant information one to one to described UE by described transmitting element 62, controls described UE and uses described two above HARQ processes to send described same UL transmission block.
Described UL grant information comprises:
Time/frequency source block assignment information among the single TTI, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag.
Described transmitting element 62 sends with described two above HARQ processes one to one before the UL grant information to described UE, also be used for the redundancy versions RV that notifies described UE:TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling to send following at least a information by proprietary system message.
Described transmitting element 62 also is used for, and when the UL grant information of certain the HARQ process that belongs to described two above HARQ processes changed, described network side sent UL grant information after the change relevant with described certain HARQ process to described UE.
On the basis of the device that Fig. 6 or enhanced uplink shown in Figure 7 cover, the device that enhanced uplink of the present invention covers also comprises:
Receiving element is used for receiving the redundancy versions RV relevant with described UL transmission block that described UE sends by certain the HARQ process that belongs to described two above HARQ processes;
Described decoding unit 61 also is used for, utilize the RV of all HARQ processes relevant with described UL transmission block that received described UE sends by described two the above HARQ processes described UL transmission block of decoding, and setting TTI to feeding back successfully decoded whether the message relevant with described certain HARQ process by described transmitting element to described UE.
The function that it will be appreciated by those skilled in the art that the processing unit that device that the enhanced uplink of Figure 6 and Figure 7 covers relates to can realize by hardware circuit, or carried out corresponding software and realized by processor.The function of above-mentioned each processing unit, the description of the related embodiment of the method that can cover in conjunction with aforementioned enhanced uplink of the present invention and understanding.
The present invention has also put down in writing a kind of base station, and described base station comprises the device that Fig. 6 or enhanced uplink shown in Figure 7 cover.
Base station of the present invention is generally the enhancing Node B.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (17)
1. the method that enhanced uplink covers is characterized in that, described method comprises:
The network controls user equipment (UE) uses two above mixed automatic retransfer request HARQ processes to send same up link UL transmission block.
2. method according to claim 1 is characterized in that, described method also comprises:
Described network side stops indication to described UE transmission with described two above HARQ processes one to one after being correctly decoded described UL transmission block.
3. method according to claim 1 is characterized in that, described network controls UE uses two above HARQ processes to send same UL transmission block, for:
Described network side is controlled described UE and is used described two above HARQ processes to send described same UL transmission block by sending to described UE and described two above HARQ processes UL grant information one to one.
4. method according to claim 3 is characterized in that, described UL grant information comprises:
Single Transmission Time Interval TTI time/frequency source block assignment information, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag.
5. method according to claim 3 is characterized in that, described network side sends with described two above HARQ processes one to one before the UL grant information to described UE, and described method also comprises:
Described network side is notified described UE by proprietary system message with following at least a information:
The redundancy versions RV that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.
6. method according to claim 4 is characterized in that, the UL grant information that described HARQ process sets bundle flag represents current HARQ process whether with the corresponding identical UL transmission block of the UL grant information of front HARQ process.
7. according to claim 3 to 6 each described methods, it is characterized in that, described method also comprises:
When the UL grant information of certain the HARQ process that belongs to described two above HARQ processes changed, described network side sent UL grant information after the change relevant with described certain HARQ process to described UE.
8. according to claim 3 to 6 each described methods, it is characterized in that, described method also comprises:
After described network side receives the redundancy versions RV relevant with described UL transmission block that described UE sends by certain the HARQ process that belongs to described two above HARQ processes, all RVs relevant with described UL transmission block that utilize received described UE to send by described two above HARQ processes described UL transmission block of decoding, and feed back successfully decoded whether the message relevant with described certain HARQ process to described UE setting TTI.
9. according to claim 1 to 6 each described methods, it is characterized in that, described network side is the base station.
10. the device that enhanced uplink covers is characterized in that, described device comprises:
Control unit is used for control UE and uses plural HARQ process UE to send same UL transmission block.
11. device according to claim 10 is characterized in that, described device also comprises decoding unit and transmitting element, wherein:
Decoding unit is for the UL transmission block of decoding HARQ process;
Transmitting element after being correctly decoded the UL transmission block of certain HARQ process, stops indication to described UE transmission with described two above HARQ processes one to one.
12. device according to claim 10, it is characterized in that, described control unit also is used for, sent and described two above HARQ processes UL grant information one to one to described UE by described transmitting element, control described UE and use described two above HARQ processes to send described same UL transmission block.
13. device according to claim 12 is characterized in that, described UL grant information comprises:
Time/frequency source block assignment information among the single TTI, Modulation and Coding Scheme, power control command and HARQ process sets bundle flag.
14. device according to claim 12, it is characterized in that, described transmitting element sends with described two above HARQ processes to described UE and one to one before the UL grant information, also is used for, and notifies described UE by proprietary system message with following at least a information:
The redundancy versions RV that TTI boundling enabler flags, boundling length and the continuous boundling subframe relevant with the TTI boundling send.
15. according to claim 12 to 14 each described devices, it is characterized in that, described transmitting element also is used for, when the UL grant information of certain the HARQ process that belongs to described two above HARQ processes changed, described network side sent UL grant information after the change relevant with described certain HARQ process to described UE.
16. to 14 each described devices, it is characterized in that according to claim 12, described device also comprises:
Receiving element is used for receiving the redundancy versions RV relevant with described UL transmission block that described UE sends by certain the HARQ process that belongs to described two above HARQ processes;
Described decoding unit also is used for, utilize the RV of all HARQ processes relevant with described UL transmission block that received described UE sends by described two the above HARQ processes described UL transmission block of decoding, and setting TTI to feeding back successfully decoded whether the message relevant with described certain HARQ process by described transmitting element to described UE.
17. a base station is characterized in that, described base station comprises the device that each described enhanced uplink of claim 10 to 16 covers.
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| CN201210069078.XA CN103313270B (en) | 2012-03-15 | 2012-03-15 | The method and device of enhanced uplink covering, base station |
| PCT/CN2012/077162 WO2013135015A1 (en) | 2012-03-15 | 2012-06-19 | Enhanced uplink coverage method, device and base station |
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| CN201210069078.XA CN103313270B (en) | 2012-03-15 | 2012-03-15 | The method and device of enhanced uplink covering, base station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022856A (en) * | 2014-06-23 | 2014-09-03 | 天津大学 | TTI (Transmission Time Interval) binding method for reducing business delaying in TD-LTE (Time Division-Long Term Evolution) system |
| CN105659515A (en) * | 2013-10-03 | 2016-06-08 | 高通股份有限公司 | Opportunistic HARQ retransmission for coverage enhancement |
| CN107409282A (en) * | 2015-03-23 | 2017-11-28 | 高通股份有限公司 | Paging for low-cost equipment |
| WO2018127218A1 (en) * | 2017-01-04 | 2018-07-12 | 电信科学技术研究院 | Hybrid automatic repeat request harq transmission method and related device |
| CN110266433A (en) * | 2014-01-10 | 2019-09-20 | 夏普株式会社 | Physical channel collocating method and base station and user equipment |
| CN110463114A (en) * | 2017-02-03 | 2019-11-15 | 瑞典爱立信有限公司 | The disposition of transmission again when TTI length switches |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150085796A1 (en) * | 2013-09-20 | 2015-03-26 | Qualcomm Incorporated | Flexible operation of enhanced tti-bundling modes in lte |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1747474A (en) * | 2005-10-18 | 2006-03-15 | 中兴通讯股份有限公司 | Data parallel dispatch system and method for supporting high-speed down group access with multiple carrier |
| CN101119184A (en) * | 2006-08-02 | 2008-02-06 | 华为技术有限公司 | Mixing self-adaption retransmission request method and entity |
| WO2008054128A1 (en) * | 2006-11-01 | 2008-05-08 | Lg Electronics Inc. | Method for allocating pilots |
| CN101405980A (en) * | 2006-02-13 | 2009-04-08 | 西门子公司 | Method for transmitting data in packets in a radio communications system |
| CN101431950A (en) * | 2004-08-13 | 2009-05-13 | 诺基亚公司 | WCDMA uplink HARQ operation during the reconfiguration of the TTI length |
| CN101971548A (en) * | 2008-03-13 | 2011-02-09 | Lg电子株式会社 | Method of processing HARQ by considering measurement gap |
| CN102017702A (en) * | 2008-04-25 | 2011-04-13 | 交互数字专利控股公司 | Multi-cell wtrus configured to perform mobility procedures and methods |
| CN102056228A (en) * | 2009-11-02 | 2011-05-11 | 夏普株式会社 | Uplink hybrid automatic repeat request response information and indication bond transmission method and base station |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400081B (en) * | 2007-09-28 | 2010-06-02 | 大唐移动通信设备有限公司 | Uplink scheduling method, system and device in TDD system |
| EP2104261B1 (en) * | 2008-03-17 | 2020-10-07 | III Holdings 11, LLC | Improved HARQ process management |
| CN101686116B (en) * | 2008-09-23 | 2012-10-31 | 电信科学技术研究院 | Method, system and device for indicating progress of reserved hybrid automatic repeat request |
-
2012
- 2012-03-15 CN CN201210069078.XA patent/CN103313270B/en active Active
- 2012-06-19 WO PCT/CN2012/077162 patent/WO2013135015A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431950A (en) * | 2004-08-13 | 2009-05-13 | 诺基亚公司 | WCDMA uplink HARQ operation during the reconfiguration of the TTI length |
| CN1747474A (en) * | 2005-10-18 | 2006-03-15 | 中兴通讯股份有限公司 | Data parallel dispatch system and method for supporting high-speed down group access with multiple carrier |
| CN101405980A (en) * | 2006-02-13 | 2009-04-08 | 西门子公司 | Method for transmitting data in packets in a radio communications system |
| CN101119184A (en) * | 2006-08-02 | 2008-02-06 | 华为技术有限公司 | Mixing self-adaption retransmission request method and entity |
| WO2008054128A1 (en) * | 2006-11-01 | 2008-05-08 | Lg Electronics Inc. | Method for allocating pilots |
| CN101971548A (en) * | 2008-03-13 | 2011-02-09 | Lg电子株式会社 | Method of processing HARQ by considering measurement gap |
| CN102017702A (en) * | 2008-04-25 | 2011-04-13 | 交互数字专利控股公司 | Multi-cell wtrus configured to perform mobility procedures and methods |
| CN102056228A (en) * | 2009-11-02 | 2011-05-11 | 夏普株式会社 | Uplink hybrid automatic repeat request response information and indication bond transmission method and base station |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659515A (en) * | 2013-10-03 | 2016-06-08 | 高通股份有限公司 | Opportunistic HARQ retransmission for coverage enhancement |
| CN105659515B (en) * | 2013-10-03 | 2019-07-16 | 高通股份有限公司 | The HARQ that waits for an opportunity for coverage enhancement is repeated |
| CN110266433A (en) * | 2014-01-10 | 2019-09-20 | 夏普株式会社 | Physical channel collocating method and base station and user equipment |
| CN110266433B (en) * | 2014-01-10 | 2022-06-24 | 夏普株式会社 | Physical channel configuration method, base station and user equipment |
| CN104022856A (en) * | 2014-06-23 | 2014-09-03 | 天津大学 | TTI (Transmission Time Interval) binding method for reducing business delaying in TD-LTE (Time Division-Long Term Evolution) system |
| CN104022856B (en) * | 2014-06-23 | 2017-09-29 | 天津大学 | Reduce the TTI binding method of traffic delay in a kind of TD LTE systems |
| CN107409282A (en) * | 2015-03-23 | 2017-11-28 | 高通股份有限公司 | Paging for low-cost equipment |
| CN107409282B (en) * | 2015-03-23 | 2021-01-08 | 高通股份有限公司 | Paging method for low cost devices |
| WO2018127218A1 (en) * | 2017-01-04 | 2018-07-12 | 电信科学技术研究院 | Hybrid automatic repeat request harq transmission method and related device |
| US11172443B2 (en) | 2017-01-04 | 2021-11-09 | China Academy Of Telecommunications Technology | Hybrid automatic repeat request HARQ transmission method and related device |
| CN110463114A (en) * | 2017-02-03 | 2019-11-15 | 瑞典爱立信有限公司 | The disposition of transmission again when TTI length switches |
| US11133898B2 (en) | 2017-02-03 | 2021-09-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Retransmission handling at TTI length switch |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013135015A1 (en) | 2013-09-19 |
| CN103313270B (en) | 2018-08-28 |
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