CN104618075B - Method for transmission processing and device, network side equipment, the UE of TTI boundling - Google Patents
Method for transmission processing and device, network side equipment, the UE of TTI boundling Download PDFInfo
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- CN104618075B CN104618075B CN201310535992.3A CN201310535992A CN104618075B CN 104618075 B CN104618075 B CN 104618075B CN 201310535992 A CN201310535992 A CN 201310535992A CN 104618075 B CN104618075 B CN 104618075B
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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Abstract
The present invention provides a kind of method for transmission processing of transmission time interval (tti) bundle and device, network side equipment, user equipmenies, wherein this method comprises: obtaining the triggering information for triggering the transmission time interval (tti) bundle transmission mechanism using enhancing；The triggering message is sent to user equipment (UE).Using above-mentioned technical proposal provided by the invention, it solves in the related technology, due to being limited to the maximum transmission power of UL link or UE, uplink VoIP business is still the bottleneck of covering, the problem of being unable to satisfy desired covering demand, to effectively enhance uplink VoIP service coverage performance.
Description
Technical field
The present invention relates to mobile communication fields, in particular to a kind of transmission time interval (tti) bundle (Transmission
Time Interval bundling, abbreviation TTI bundling) method for transmission processing and device, network side equipment, user
Equipment (User Equipment, abbreviation UE).
Background technique
The Radio Access Network of long term evolution (Long-Term Evolution, abbreviation LTE) system includes: that network side (increases
Strong node B, evolved base station (evolved Node B, abbreviation eNB)) and UE, wherein network side and core network are other
Network is connected, and is communicated by wireless interface with the UE being located in the cell that the network side is serviced.In order to promote uplink
The covering of link (Uplink, abbreviation UL) networking telephone (Voice over Internet Protocol, abbreviation VoIP) business,
LTE introduces TTI bundling technology in physical layer.Wherein, TTI bundling refers to that scheduler is that UE is allocated more than 1
The radio resource of Transmission Time Interval TTI.Basic thought is that UE is allowed to continuously transmit same transmission block not using continuous TTI
Same redundancy versions (Redundancy Version, abbreviation RV), and tasted aforesaid operations as 1 transmission of the transmission block
Examination.Note: since TTI and subframe are usually equivalence, so this paper subsequent content no longer distinguishes the two.
It is known enabled TTI bundling transmission in the case where, total UL hybrid automatic repeat-request (Hybrid
Automatic Repeat Request, abbreviation HARQ) process number be 4；In addition for VoIP business, the arrival of transmission block
Interval or period are usually 20ms or 20 subframe, and the delay limitation of its air interface is normally provided as about 50ms.Tool
Body, as shown in Figure 1, scheduler passes through 1 semi-continuous (Semi-Persistent in radio frames n-1 subframe 6
Scheduling, abbreviation SPS) uplink of type is authorized, and it is UE distribution using transmission block arrival interval 20ms as the uplink in period
The subframe 0 to 3 of frame resource (i.e. radio frames n+k(k=0,2,4,6 ...)), these periodic sub-frame of uplink resources difference
It is used for the transmission attempt for the first time of each VoIP transmission block.Transmission block 0 utilizes 0 resource of HARQ process, and the 1st transmission attempt is in nothing
It is executed in the range of line frame n subframe 0 to 3, if corresponding downlink HARQ response is the non-acknowledgement character (Non- of negative
Acknowledgement, abbreviation NACK) response, the 2nd transmission attempt execute in the range of subframe 6 to 9 radio frames n+1, with
This analogizes, and until respective acknowledgement is affirmative acknowledgment character (Acknowledgement, abbreviation ACK) response, or has reached maximum
4 number for transmission attempts, transmission block 0 terminate transmission.Similarly, other transmission blocks are logical also with specified HARQ process resource
It crosses aforesaid way and realizes TTI bundling transmission.
In existing LTE(A) system uplink authorize Downlink Control Information (Downlink Control Information,
Abbreviation DCI) in format, Modulation and Coding Scheme (Modulation and coding scheme, abbreviation MCS) field includes 5
Bit (bit) indexes I as shown in table 1 belowMCSRange is 0 to the 31(decimal system).Wherein, index 0 to 28 is used to indicate that HARQ
(RV index is solid for order of modulation and transport block size (Transport Block Size, referred to as TBS) index under transmitting for the first time
It is set to 0), index 29 to 31 is used to indicate that RV index (order of modulation and TBS index and head biography phase under certain re-transmission of HARQ
Together).However, the major part in above-mentioned 32 (0 to 31) index will not be made in the case where enabled TTI bundling transmission
With.For example, since TTI bundling transmission is primarily used to VoIP business (payload is smaller), the tune that size is 2 at this time
Order (quadrature phase shift keying (Quadrature Phase Shift Keying, abbreviation QPSK)) processed and lesser TBS index is
It is enough, so that index 11 to 28 may not be used；In addition, since the size of TTI bundling is 4 subframes,
Bundling transmission each time (passes and retransmits) the RV index that value range is 0 to 3 including first and can all be traversed, to specially use
It may also never be used in the index 29 to 31 that HARQ retransmits the instruction of RV index.
Table 1
It is existing research and assessment result show: even apply above-mentioned TTI bundling transmission technology, but due to by
It is limited to UL link or the maximum transmission power of UE, uplink VoIP business is still the bottleneck of covering, is unable to satisfy desired covering
Demand.Aiming at the problem that how to continue to lift up uplink VoIP service coverage performance, total solution is not yet proposed at present.
In view of the above problems in the related art, currently no effective solution has been proposed.
Summary of the invention
For in the related technology, due to being limited to the maximum transmission power of UL link or UE, uplink VoIP business is still
The bottleneck of covering, the problems such as being unable to satisfy desired covering demand, the present invention provides a kind of biographies of transmission time interval (tti) bundle
Defeated processing method and processing device, network side equipment, user equipment, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of method for transmission processing of transmission time interval (tti) bundle, comprising: obtain
Take the triggering information in triggering using the transmission time interval (tti) bundle transmission mechanism of enhancing；Above-mentioned triggering message is sent to UE.
Preferably, above-mentioned triggering information includes: that uplink authorizes MCS field in DCI format.
Preferably, above-mentioned triggering information further include: uplink authorizes MCS field and resource allocation in DCI format
The combination of (Resource Allocation, referred to as RA) field.
Preferably, the above method include: when the decimal system index that above-mentioned MCS field indicates is equal to minimum value, and it is above-mentioned
When the decimal system index that RA field indicates is equal to maximum value, the transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing is triggered.
Preferably, the transmission mechanism of above-mentioned enhancing includes at least one of: the hybrid automatic repeat-request HARQ of enhancing
It operates, the borrow process of HARQ process resource.
Preferably, the HARQ operation of above-mentioned enhancing includes: setting HARQ loopback delay (Round-Trip Time, abbreviation
It RTT) is 12ms；And/or the borrow process of above-mentioned HARQ process resource includes following one: continuing the borrow of HARQ process resource
Process, the borrow process of semi-continuous HARQ process resource, the borrow process of dynamic HARQ process resource.
Preferably, the above-mentioned borrow process for continuing HARQ process resource includes: for all continuous networking telephone VoIP
Transmission block, the 1st HARQ process resource after transmission attempt HARQ process resource for the first time are borrowed by above-mentioned VoIP transmission block
With；The borrow process of above-mentioned semi-continuous HARQ process resource includes: VoIP transmission block continuous at least one, is located at for the first time
The 1st HARQ process resource after transmission attempt HARQ process resource is borrowed by above-mentioned VoIP transmission block；Above-mentioned dynamic HARQ
The borrow process of process resource includes: that 1 VoIP transmission block is tasted positioned at transmission attempt HARQ process resource for the first time or re-transmission
X HARQ process resource after examination HARQ process resource is borrowed by above-mentioned VoIP transmission block, wherein X takes from following one
Value: 1,2,3.
Preferably, when triggering the borrow process of above-mentioned semi-continuous HARQ process resource using above-mentioned MCS field, above-mentioned half
What persistently HARQ process resource borrow process was lasting continuously transmits block number, passes through following one mode and determines: according to above-mentioned MCS word
The index that segment table shows determines；It presets.
Preferably, when triggering the above-mentioned borrow process for continuing HARQ process resource using above-mentioned MCS field, above-mentioned MCS
Field is also used to close the above-mentioned borrow process for continuing HARQ process resource.
Preferably, using above-mentioned enhancing HARQ operation, it is above-mentioned continue HARQ process resource borrow process and on
In the case where the borrow process for stating dynamic HARQ process resource, and above-mentioned MCS field indicate the decimal system index be it is following it
For the moment, indicate that the transmission time interval (tti) bundle transmission mechanism of enhancing is triggered: 29,30,31；Using above-mentioned semi-continuous HARQ into
In the case where the borrow process of Cheng Ziyuan, and when the decimal system index that above-mentioned MCS field indicates is following value, enhancing is indicated
Transmission time interval (tti) bundle transmission mechanism be triggered: index value be greater than 10 value.
HARQ operation, the above-mentioned borrow process of HARQ process resource and above-mentioned of continuing preferably for above-mentioned enhancing
The borrow process of semi-continuous HARQ process resource, 4th subframe of the above-mentioned MCS field before 0 arrival time of transmission block upload
It is defeated, wherein above-mentioned transmission block 0 is the 1st transmission block for enabling the transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing；For
The borrow process of above-mentioned dynamic HARQ process resource, above-mentioned MCS field is in specified transmission block transmission attempt for the first time or retransmits trial
1st subframe of HARQ process resource uploads defeated, wherein above-mentioned specified transmission block is the Transmission Time Interval for enabling above-mentioned enhancing
The transmission block of boundling transmission mechanism.
According to another aspect of the present invention, a kind of method for transmission processing of transmission time interval (tti) bundle is provided, comprising:
User equipment (UE) receives the touching for being used to trigger the transmission time interval (tti) bundle transmission mechanism using enhancing from network side equipment
Photos and sending messages；Under the triggering of above-mentioned triggering information, above-mentioned UE using above-mentioned enhancing transmission time interval (tti) bundle transmission mechanism into
Row uplink.
Preferably, above-mentioned triggering information includes: that uplink authorizes Modulation and Coding Scheme in Downlink Control Information DCI format
MCS field.
Preferably, above-mentioned triggering information further include: uplink authorizes MCS field and resource allocation RA field in DCI format
Combination.
Preferably, when the decimal system index that above-mentioned MCS field indicates is equal to minimum value, and the ten of the expression of above-mentioned RA field
When system index is equal to maximum value, above-mentioned enhancing transmission time interval (tti) bundle transmission mechanism is triggered.
Preferably, the transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing includes at least one of: the mixing of enhancing
Automatic repeat request HARQ operation, the borrow process of HARQ process resource.
Preferably, it is 12ms that the HARQ operation of above-mentioned enhancing, which includes: setting HARQ RTT,；And/or above-mentioned HARQ process money
The borrow process in source includes following one: continuing the borrow of the borrow process, semi-continuous HARQ process resource of HARQ process resource
The borrow process of process, dynamic HARQ process resource.
According to a further aspect of the invention, a kind of transmission processing device of transmission time interval (tti) bundle is provided, is applied
In network side equipment, comprising: obtain module, be used to trigger the transmission time interval (tti) bundle transmission mechanism using enhancing for obtaining
Triggering information；Sending module, for sending above-mentioned triggering message to user equipment (UE).
Preferably, above-mentioned acquisition module, for obtaining above-mentioned triggering information when above-mentioned triggering information includes the following contents:
Uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
Preferably, above-mentioned acquisition module is also used to obtain above-mentioned triggering letter when above-mentioned triggering information includes the following contents
Breath: uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
Preferably, above-mentioned acquisition module includes following for the transmission time interval (tti) bundle transmission mechanism in above-mentioned enhancing
At least one when, obtain above-mentioned triggering information: the borrow of the hybrid automatic repeat-request HARQ operation, HARQ process resource of enhancing
Process.
According to a further aspect of the invention, a kind of transmission processing device of transmission time interval (tti) bundle is additionally provided, is answered
For user terminal UE, comprising: receiving module, when for receiving the transmission for being used to trigger use enhancing from network side equipment
Between be spaced boundling transmission mechanism triggering information；Transmission module, under the triggering of above-mentioned triggering information, using above-mentioned enhancing
Transmission time interval (tti) bundle transmission mechanism carry out uplink.
Preferably, above-mentioned receiving module, for when above-mentioned triggering information includes following information, receiving above-mentioned triggering letter
Breath: uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
Preferably, above-mentioned receiving module is also used to receive above-mentioned triggering letter when above-mentioned triggering information includes the following contents
Breath: uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
Preferably, above-mentioned receiving module includes following for the transmission time interval (tti) bundle transmission mechanism in above-mentioned enhancing
At least one in the case where, receive above-mentioned triggering information: the hybrid automatic repeat-request HARQ operation of enhancing, HARQ process resource
Borrow process.
According to a further aspect of the invention, a kind of network side equipment, including any of the above transmission time are additionally provided
It is spaced the transmission processing device of boundling.
According to a further aspect of the invention, a kind of user equipment (UE), including any of the above transmission time are additionally provided
It is spaced the transmission processing device of boundling.
Through the invention, believed using the triggering obtained for triggering the transmission time interval (tti) bundle transmission mechanism for using enhancing
Breath；The technical solution that the triggering message is sent to UE, solves in the related technology, due to being limited to the maximum of UL link or UE
The problem of transmission power, uplink VoIP business is still the bottleneck of covering, is unable to satisfy desired covering demand, thus effectively
Enhance uplink VoIP service coverage performance.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the transmission time interval (tti) bundle transmission principle schematic diagram according to the relevant technologies；
Fig. 2 is the flow chart of the method for transmission processing of transmission time interval (tti) bundle according to an embodiment of the present invention；
Fig. 3 is the HARQ operation according to an embodiment of the present invention that MCS field triggering enhancing in DCI format is authorized using uplink
Schematic diagram；
Fig. 4 is the schematic diagram according to the preferred embodiment of the invention for triggering and continuing the borrow process of HARQ process resource；
Fig. 5 is the borrow process of the semi-continuous HARQ process resource of triggering according to the preferred embodiment of the invention, and determining should
The schematic diagram of the lasting number of transport blocks of process；
Fig. 6 is the schematic diagram one of the borrow process of triggering dynamic HARQ process resource according to the preferred embodiment of the invention；
Fig. 7 is the schematic diagram two of the borrow process of triggering dynamic HARQ process resource according to the preferred embodiment of the invention；
Fig. 8 is another flow chart of the method for transmission processing of transmission time interval (tti) bundle according to an embodiment of the present invention；
Fig. 9 is the structural block diagram of the transmission processing device of transmission time interval (tti) bundle according to an embodiment of the present invention；
Figure 10 is another structural block diagram of the transmission processing device of transmission time interval (tti) bundle according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Fig. 2 is the flow chart of the method for transmission processing of transmission time interval (tti) bundle according to an embodiment of the present invention.Such as Fig. 2 institute
Show, this method comprises: step S202 to step S204,
S202: the triggering information for triggering the transmission time interval (tti) bundle transmission mechanism using enhancing is obtained；
In this step, above-mentioned triggering information includes: that uplink authorizes MCS field in DCI format；Uplink authorizes DCI lattice
The combination of MCS field and RA field in formula.For example, when the decimal system index that above-mentioned MCS field indicates is equal to minimum value 0, and
And the decimal system of RA field expression indexes when being equal to maximum value, above-mentioned enhancing transmission time interval (tti) bundle transmission mechanism is triggered.
The transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing includes at least one of: the HARQ operation of enhancing,
The borrow process of HARQ process resource.
S204: above-mentioned triggering message is sent to UE.
Execution through the above steps, when get for trigger using enhancing transmission time interval (tti) bundle transmission mechanism
The uplink of (the hybrid automatic repeat-request HARQ operation of enhancing or the borrow process of HARQ process resource) is authorized in DCI format
MCS field when, send above-mentioned triggering information to user immediately.Using such technical solution, can be effectively solved existing
Due to being limited to the maximum transmission power of UL link or UE in technology, uplink VoIP business is still the bottleneck of covering, Wu Faman
The problem of foot desired covering demand.Uplink VoIP service coverage performance is effectively enhanced, and also avoids and high level is assisted
The larger impact of view or specification.
In the present embodiment, it is 12ms that the HARQ operation of above-mentioned enhancing, which includes: setting HARQ RTT,.
Further improvement to above-mentioned technical proposal of the embodiment of the present invention is, the borrow process of above-mentioned HARQ process resource
Including following one: continuing borrow process, the borrow process and dynamic of semi-continuous HARQ process resource of HARQ process resource
The borrow process of HARQ process resource.Wherein, the borrow process for continuing HARQ process resource can show as following implemented form:
The 1st HARQ process resource for all continuous VoIP transmission blocks, after transmission attempt HARQ process resource for the first time
It is borrowed by above-mentioned VoIP transmission block；The borrow process of semi-continuous HARQ process resource can show as following implemented form: for
The continuous VoIP transmission block of at least one, the 1st above-mentioned HARQ process money after transmission attempt HARQ process resource for the first time
Source is borrowed by VoIP transmission block；The borrow process of dynamic HARQ process resource can show as following implemented form: for 1
VoIP transmission block, the X HARQ after transmission attempt HARQ process resource for the first time or re-transmission trial HARQ process resource
Process resource is borrowed by above-mentioned VoIP transmission block, wherein above-mentioned X is from following one value: 1,2,3.
It should be noted that above-mentioned re-transmission attempt to refer in actual mechanical process in addition to transmission attempt for the first time it is all its
1 transmission attempt in its transmission attempt.
Under two following situations, indicate that the transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing is triggered:
(1) in HARQ operation, the above-mentioned borrow process for continuing HARQ process resource and above-mentioned dynamic using above-mentioned enhancing
In the case where the borrow process of state HARQ process resource, and when the decimal system index that above-mentioned MCS field indicates is one of the following:
29,30,31；
(2) it using the borrow process of above-mentioned semi-continuous HARQ process resource, and is indicated in above-mentioned MCS field
The decimal system index be following value when: index value be greater than 10 value.
The present embodiment further improvement to above-mentioned technical proposal is, semi-continuous when being triggered using above-mentioned MCS field
When the borrow process of HARQ process resource, above-mentioned MCS field is also used to determine that semi-continuous HARQ process resource borrows process and continues
Continuously transmit block number, in addition to determination provided by the embodiment is above-mentioned continuously transmit the mode of block number other than, for above-mentioned semi-continuous
HARQ process resource borrows process, it is lasting continuously transmit block number can also be determined by preset mode it is above-mentioned continuous
Transmit fast number.
The effect of above-mentioned MCS field in the present embodiment is not limited to above-mentioned function.Above-mentioned MCS field is also used to when benefit
When triggering the borrow process for continuing HARQ process resource with the MCS field, the MCS field is also used to close described hold
The borrow process of continuous HARQ process resource.For example, indicating institute when the decimal system index that above-mentioned MCS field indicates is not equal to 31
The borrow process for stating lasting HARQ process resource is closed.
The present embodiment further improvement to above-mentioned technical proposal is, for above-mentioned enhancing HARQ operation, above-mentioned hold
The borrow process of continuous HARQ process resource and the borrow process of above-mentioned semi-continuous HARQ process resource, above-mentioned MCS field are passing
The 4th subframe before defeated piece of 0 arrival time uploads defeated, wherein above-mentioned transmission block 0 is the Transmission Time Interval collection of enabled enhancing
1st transmission block of beam transmission mechanism；
For the borrow process of above-mentioned dynamic HARQ process resource, above-mentioned MCS field is transmitted for the first time in specified transmission block tastes
Examination or the 1st subframe for retransmitting trial HARQ process resource upload defeated, wherein above-mentioned specified transmission block is the transmission of enabled enhancing
The transmission block of time interval boundling transmission mechanism.
Above-described embodiment in order to better understand is described in detail below in conjunction with preferred embodiment.It should be noted that following
The scheme of preferred embodiment does not constitute a limitation of the invention simultaneously.Specifically:
Fig. 3 is the HARQ operation according to an embodiment of the present invention that MCS field triggering enhancing in DCI format is authorized using uplink
Schematic diagram.Note: pattern in attached drawing ● indicate that normal uplink is authorized, pattern ▲ expression is used to trigger the HARQ operation of enhancing
Uplink is authorized.It is as shown in Figure 3:
In the case where enabled TTI bundling transmission, the triggering enhancing of the MCS field in DCI format is authorized using uplink
HARQ operation.For example, if the decimal system that above-mentioned MCS field indicates indexes IMCSEqual to 31, the HARQ operation quilt of enhancing is indicated
Triggering is enabled.Wherein, above-mentioned RTT refers to since a transmission attempt between the duration transmission attempt next time
Every.
Specifically, it authorizes and is launched in radio frames n-1 subframe 6 for triggering the uplink of the HARQ operation of enhancing, wherein nothing
Line frame n-1 subframe 6 is the 4th subframe before 0 arrival time of transmission block, and transmission block 0 is the HARQ operation of enabled enhancing
The 1st transmission block.In the case where the HARQ operation of enhancing, under the delay limitation of about 50ms, transmission block 0 at most can
5 transmission attempts are executed, 20 sub-frame resources are occupied.Similarly, other transmission block l(> 0) equally at most it is able to carry out 5 biographies
Defeated trial.
Fig. 4 is the schematic diagram according to the preferred embodiment of the invention for triggering and continuing the borrow process of HARQ process resource.Such as
Shown in Fig. 4, note: pattern in attached drawing ● indicate that normal uplink is authorized, pattern ▲ expression is for triggering lasting HATQ process resource
The uplink of borrow process is authorized.
In enabled TTI bundling transmission, MCS field in DCI format is authorized using uplink and triggers lasting HARQ
The borrow process of process resource.Wherein, the above-mentioned borrow process for continuing HARQ process resource refers to: for all continuous
VoIP transmission block, the 1st HARQ process resource after transmission attempt HARQ process resource for the first time are borrowed by transmission block.Example
If the decimal system as above-mentioned MCS field indicates indexes IMCSEqual to 31, the borrow of above-mentioned lasting HARQ process resource is indicated
Journey is triggered.
Specifically, as shown in figure 4, the uplink for borrowing process for triggering lasting HARQ process resource is authorized in radio frames n-
1 subframe 6 is launched, wherein radio frames n-1 subframe 6 be 0 arrival time of transmission block before the 4th subframe, transmission block 0 is to make
It can continue the 1st transmission block that HARQ process resource borrows.Under normal circumstances, transmission block 0 not will use the money of HARQ process 1
Source, but it is enabled continue HARQ process resource borrow process in the case where, transmission block 0 other than using 0 resource of HARQ process,
It also will use 1 resource of HARQ process after transmission block 0 for the first time 0 resource of transmission attempt HARQ process, i.e. HARQ process 1 provides
Source is borrowed by transmission block 0.Similarly, 2 resource of HARQ process is borrowed by transmission block 1, and 3 resource of HARQ process is borrowed by transmission block 2,
0 resource of HARQ process is borrowed by transmission block 3, and so on.
In addition, equally can use uplink in the case where lasting HARQ process resource borrows and authorize MCS in DCI format
Field closes the above-mentioned borrow process for continuing HARQ process resource.For example, if the index I that above-mentioned MCS field indicatesMCSIt is not equal to
31, indicate that the above-mentioned borrow process for continuing HARQ process resource is closed.Fig. 5 is triggering half according to the preferred embodiment of the invention
Continue the borrow process of HARQ process resource, and determines the schematic diagram of the lasting number of transport blocks of the above process.As shown in figure 5, note:
Pattern in attached drawing ● indicate that normal uplink is authorized, pattern ▲ expression is used to trigger semi-continuous HATQ process resource and borrows process
Uplink is authorized.
In the case where enabled TTI bundling transmission, the triggering of the MCS field in DCI format is authorized using uplink and is partly held
The borrow process of continuous HARQ process resource, and determine the above process it is lasting continuously transmit block number.Wherein, above-mentioned lasting continuous
Transmission block can also use preset mode.Above-mentioned semi-continuous HARQ process resource borrows process and refers to: at least one
Continuous VoIP transmission block, the 1st HARQ process resource after transmission attempt HARQ process resource for the first time are borrowed by transmission block.
For example, if the decimal system that above-mentioned MCS field indicates indexes IMCSGreater than 10, the borrow process of semi-continuous HARQ process resource is indicated
It is triggered, and above-mentioned lasting number of transport blocks indexes I by the specific decimal systemMCSValue indicate (as shown in table 2 below).With
The index I that above-mentioned MCS field indicatesMCSFor 13, indicate that semi-continuous HARQ process resource borrows process and is triggered, and hold
The continuous block number that continuously transmits is 3.
Table 2
Specifically, as shown in figure 5, authorizing for enabling the uplink that semi-continuous HARQ process resource borrows in radio frames n-1
Subframe 6 is launched, wherein radio frames n-1 subframe 6 be 0 arrival time of transmission block before the 4th subframe, transmission block 0 is enabled
The 1st in continuous 3 transmission blocks that semi-continuous HARQ process resource borrows.Under normal circumstances, transmission block 0 not will use
1 resource of HARQ process, but in the case where enabling semi-continuous HARQ process resource borrow process, transmission block 0 is in addition to using HARQ
It also will use 1 resource of HARQ process after transmission block 0 for the first time 0 resource of transmission attempt HARQ process other than 0 resource of process,
That is 1 resource of HARQ process is borrowed by transmission block 0.Similarly, 2 resource of HARQ process is borrowed by transmission block 1,3 resource of HARQ process
It is borrowed by transmission block 2.3 are set to since above-mentioned semi-continuous HARQ process resource borrows the lasting block number that continuously transmits of process
A, 0 resource of HARQ process is no longer borrowed by transmission block 3.
When triggering be the borrow process of dynamic HARQ process resource when, there are following two situations:
In the case where enabled TTI bundling transmission, the triggering dynamic of the MCS field in DCI format is authorized using uplink
HARQ process resource borrow process.Wherein, above-mentioned dynamic HARQ process resource borrows process and refers to: 1 VoIP is passed
Defeated piece, the X (=1,2 or 3) a after transmission attempt HARQ process resource for the first time or re-transmission trial HARQ process resource
HARQ process resource is borrowed by the transmission block.For example, if the decimal system that above-mentioned MCS field indicates indexes IMCSGreater than 28, indicate
Dynamic HARQ process resource borrows process and is triggered, and the value of above-mentioned variable X is by specifically indexing IMCSValue instruction
(as shown in table 3 below).To index IMCSValue is equal to for 29, indicates that dynamic HARQ process resource borrows process and is enabled simultaneously
And the value of X is 1.
Table 3
Fig. 6 is the schematic diagram one of the borrow process of triggering dynamic HARQ process resource according to the preferred embodiment of the invention.
As shown in fig. 6, note: pattern in attached drawing ● indicate that normal uplink is authorized, pattern ▲ expression is for triggering dynamic HATQ process money
The uplink that source borrows process is authorized.
Specifically, it authorizes for triggering the uplink of the borrow of dynamic HARQ process resource in the transmission attempt for the first time of transmission block 0
The 1st subframe (radio frames n subframe 0) be launched, and imagine MCS field expression index IMCSValue be 29, it indicate
Transmission block 0 for the first time the 1st HARQ process resource (1 resource of HARQ process) after transmission attempt HARQ process resource by transmission block
0 borrows.Similarly, the 2nd HARQ process resource (the HARQ process 0 after transmission attempt HARQ process resource for the first time of transmission block 2
Resource) it is borrowed by transmission block 2, the 1st HARQ process resource after transmission attempt HARQ process resource for the first time of transmission block 3
(0 resource of HARQ process) is borrowed by transmission block 3.
Fig. 7 is the schematic diagram two of the borrow process of triggering dynamic HARQ process resource according to the preferred embodiment of the invention.
As shown in fig. 7, note: pattern in attached drawing ● indicate that normal uplink is authorized, pattern ▲ expression is for triggering dynamic HATQ process money
The uplink that source borrows process is authorized.
Specifically, as shown in fig. 7, the uplink of the borrow for triggering dynamic HARQ process resource is authorized in transmission block 2 the 2nd
The 1st subframe (radio frames n+5 subframe 6) of secondary transmission attempt (be equivalent to the 1st time and retransmit trial) is launched, and imagines MCS
The value for the index IMCS that field indicates is 30, it indicates the 2nd after the 2nd transmission attempt HARQ process resource of transmission block 2
A HARQ process resource (0 resource of HARQ process) is borrowed by transmission block 2.
Fig. 8 is another flow chart of the method for transmission processing of transmission time interval (tti) bundle according to an embodiment of the present invention.Such as
Shown in Fig. 8, this method is illustrated relative to embodiment illustrated in fig. 2 from the side UE, specifically includes step S802 to step S804:
S802:UE is received to be used to trigger the transmission time interval (tti) bundle transmission mechanism using enhancing from network side equipment
Triggering information；
In this step, above-mentioned triggering information includes: that uplink authorizes MCS field in DCI format；Uplink authorizes DCI lattice
The combination of MCS field and resource allocation RA field in formula.For example, when the decimal system index etc. of MCS field described above expression
When the decimal system index of minimum value 0, and the expression of RA field is equal to maximum value, above-mentioned enhancing transmission time interval (tti) bundle transmission
Mechanism is triggered；The transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing includes at least one of: the mixing of enhancing is automatic
Retransmission request HARQ operation, the borrow process of HARQ process resource.
S804: under the triggering of above-mentioned triggering information, above-mentioned UE is transmitted using the transmission time interval (tti) bundle of above-mentioned enhancing
Mechanism carries out uplink.
Execution through the above steps, when UE is received for triggering the transmission time interval (tti) bundle conveyer using enhancing
When the uplink of system (HARQ operation of enhancing or the borrow process of HARQ process resource) authorizes the MCS field in DCI format, UE
Uplink is carried out using the transmission time interval (tti) bundle transmission mechanism of above-mentioned enhancing.Using such technical solution, Neng Gouyou
Effect solves in the prior art due to the maximum transmission power for being limited to UL link or UE, and uplink VoIP business is still covering
Bottleneck, the problem of being unable to satisfy desired covering demand.Uplink VoIP service coverage performance is effectively enhanced, and is also avoided
To the larger impact of upper-layer protocol or specification.
In the present embodiment, it is 12ms that the HARQ operation of above-mentioned enhancing, which includes: setting HARQRTT,.
Further improvement to above-mentioned technical proposal of the present invention is, the borrow process of above-mentioned HARQ process resource include with
It is one of lower: to continue borrow process, the borrow process of semi-continuous HARQ process resource and the dynamic HARQ process of HARQ process resource
The borrow process of resource.
A kind of method for transmission processing device of transmission time interval (tti) bundle is additionally provided in the present embodiment, the device application
In network side equipment, for realizing above-described embodiment and preferred embodiment, the descriptions that have already been made will not be repeated, below it is right
The module being related in the device is illustrated.As used below, the software of predetermined function may be implemented in term " module "
And/or the combination of hardware.Although device described in following embodiment is preferably realized with software, hardware or soft
The realization of the combination of part and hardware is also that may and be contemplated.Fig. 9 is Transmission Time Interval collection according to an embodiment of the present invention
The structural block diagram of the transmission processing device of beam.As shown in figure 9, the device includes:
Module 90 is obtained, for obtaining the triggering letter for being used to trigger using the transmission time interval (tti) bundle transmission mechanism of enhancing
Breath；
Wherein, obtaining module 90 in triggering information includes: that uplink authorizes Modulation and Coding Scheme MCS field in DCI format,
And the transmission time interval (tti) bundle transmission mechanism of enhancing includes at least one of: HARQ operation, the HARQ process money of enhancing
In the case where the borrow process in source, obtains module 90 and obtain above-mentioned triggering information.Wherein, above-mentioned triggering information can also be uplink
The combination of the MCS field and RA field in DCI format is authorized, for example, when the decimal system index etc. of MCS field described above expression
When the decimal system index of minimum value 0, and the expression of RA field is equal to maximum value, above-mentioned enhancing transmission time interval (tti) bundle transmission
Mechanism is triggered；
Sending module 92 is connect with module 90 is obtained, for sending above-mentioned triggering message to UE.
By the comprehensive function of above-mentioned modules, get for triggering the transmission time interval (tti) bundle biography using enhancing
The uplink of defeated mechanism (HARQ operation of enhancing or the borrow process of HARQ process resource) authorizes the MCS field in DCI format
When, network side equipment sends above-mentioned triggering information to user equipment (UE) immediately.Using such technical solution, can effectively solve
Certainly in the prior art due to being limited to the maximum transmission power of UL link or UE, uplink VoIP business is still the bottleneck of covering,
The problem of being unable to satisfy desired covering demand.Increase reception energy or subframe of the VoIP transmission block under 50ms delay limitation
Utilization rate finally further improves the covering performance of uplink VoIP business, and avoids to upper-layer protocol or specification
Larger impact.
Figure 10 is another structural block diagram of the transmission processing device of transmission time interval (tti) bundle according to an embodiment of the present invention.
As shown in Figure 10, which is applied to UE, comprising:
Receiving module 100 is used to trigger the Transmission Time Interval collection using enhancing for receiving from network side equipment
The triggering information of beam transmission mechanism；
Wherein, receiving module 100 in triggering information includes: that uplink authorizes MCS field in DCI format, and enhancing
Transmission time interval (tti) bundle transmission mechanism includes at least one of: the hybrid automatic repeat-request HARQ operation of enhancing, HARQ
In the case where the borrow process of process resource, receiving module 100 obtains above-mentioned triggering information.Wherein, above-mentioned triggering information may be used also
To be the combination gone and authorize MCS field and RA field in DCI format, for example, when the decimal system of MCS field described above expression
Index is equal to minimum value 0, and the decimal system of RA field expression indexes when being equal to maximum value, above-mentioned enhancing Transmission Time Interval collection
Beam transmission mechanism is triggered；
Transmission module 102 is connected to receiving module 100, under the triggering of above-mentioned triggering information, using above-mentioned enhancing
Transmission time interval (tti) bundle transmission mechanism carry out uplink.
It should be noted that the embodiment of the present invention can be applied to frequency division duplex (Frequency Division Duplex,
Abbreviation FDD) enhancing TTI bundling processing under system, it also can be applied to time division duplex (Time Division
Duplex, abbreviation TDD) enhancing TTI bundling processing under system.
In conclusion the embodiment of the present invention realizes following the utility model has the advantages that being based on the above embodiment of the present invention, solves phase
In the technology of pass, due to being limited to the maximum transmission power of UL link or UE, uplink VoIP business is still the bottleneck of covering, can not
The problem of meeting desired covering demand.It effectively enhances uplink VoIP service coverage performance: increasing VoIP transmission block and exist
Reception energy or subframe utilization rate under 50ms delay limitation, finally further improve the covering performance of uplink VoIP business,
And avoid the larger impact to upper-layer protocol or specification.
Uplink in existing LTE system authorize DCI format cyclic redundancy check (Cyclic Redundancy Check,
Abbreviation CRC) field utilization network side distributes to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell-specific Radio of UE
Network Temporal Identity, abbreviation C-RNTI) it is scrambled.The C-RNTI include semi-continuous SPS C-RNTI and
Dynamic C-RNTI.Similar to the prior art, for triggering enhancing TTI bundling transmission mechanism in the embodiment of the present invention
The crc field that row authorizes DCI format is equally scrambled using the SPS C-RNTI or dynamic C-RNTI.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to: CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (21)
1. a kind of method for transmission processing of transmission time interval (tti) bundle characterized by comprising
Obtain the triggering information for triggering the transmission time interval (tti) bundle transmission mechanism using enhancing；
The triggering information is sent to user equipment (UE)；
Wherein, the transmission mechanism of the enhancing includes at least one of: the hybrid automatic repeat-request HARQ operation of enhancing,
The borrow process of HARQ process resource；
Wherein, it is 12ms that the hybrid automatic repeat-request HARQ operation of the enhancing, which includes: setting HARQ loopback time delay RTT,；With/
Or the borrow process of the HARQ process resource includes following one: continuing the borrow process, semi-continuous of HARQ process resource
Borrow process, the borrow process of dynamic HARQ process resource of HARQ process resource.
2. the method according to claim 1, wherein the triggering information includes:
Uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
3. according to the method described in claim 2, it is characterized in that, the triggering information further include:
Uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
4. according to the method described in claim 3, it is characterized in that, which comprises
When the decimal system index that the MCS field indicates is equal to minimum value, and the decimal system index etc. that the RA field indicates
When maximum value, the transmission time interval (tti) bundle transmission mechanism of the enhancing is triggered.
5. the method according to claim 1, wherein
The borrow process for continuing HARQ process resource includes: that all continuous networking telephone VoIP transmission blocks are located at
The 1st HARQ process resource after transmission attempt HARQ process resource is borrowed by the VoIP transmission block for the first time；
The borrow process of the semi-continuous HARQ process resource includes: VoIP transmission block continuous at least one, is located at for the first time
The 1st HARQ process resource after transmission attempt HARQ process resource is borrowed by the VoIP transmission block；
The borrow process of the dynamic HARQ process resource includes: to be located at transmission attempt HARQ for the first time for 1 VoIP transmission block
Process resource or the X HARQ process resource retransmitted after attempting HARQ process resource are borrowed by the VoIP transmission block,
In, X is from following one value: 1,2,3.
6. according to the method described in claim 3, it is characterized in that, when triggering the semi-continuous HARQ using the MCS field
When the borrow process of process resource, the semi-continuous HARQ process resource borrow process it is lasting continuously transmit block number, by with
One of lower mode determines:
It is determined according to the index that the MCS field indicates；It presets.
7. according to the method described in claim 3, it is characterized by further comprising:
When triggering the borrow process for continuing HARQ process resource using the MCS field, the MCS field is also used to close
Close the borrow process for continuing HARQ process resource.
8. according to the method described in claim 3, it is characterized in that,
Use the enhancing hybrid automatic repeat-request HARQ operation, it is described continue HARQ process resource borrow process with
And in the case where the borrow process of the dynamic HARQ process resource, and the MCS field indicate the decimal system index for
In lower a period of time, indicate that the transmission time interval (tti) bundle transmission mechanism of enhancing is triggered: 29,30,31；
Using the semi-continuous HARQ process resource borrow process in the case where, and the MCS field indicate ten into
When system index is following value, indicate that the transmission time interval (tti) bundle transmission mechanism of enhancing is triggered: index value taking greater than 10
Value.
9. according to the method described in claim 3, it is characterized in that,
For the enhancing hybrid automatic repeat-request HARQ operation, it is described continue HARQ process resource borrow process and
The borrow process of the semi-continuous HARQ process resource, 4th subframe of the MCS field before 0 arrival time of transmission block
Upper transmission, wherein the transmission block 0 is the 1st transmission block for enabling the transmission time interval (tti) bundle transmission mechanism of the enhancing；
For the borrow process of the dynamic HARQ process resource, the MCS field in specified transmission block transmission attempt for the first time or
The 1st subframe upload for retransmitting trial HARQ process resource is defeated, wherein the specified transmission block is the transmission for enabling the enhancing
The transmission block of time interval boundling transmission mechanism.
10. a kind of method for transmission processing of transmission time interval (tti) bundle characterized by comprising
User equipment (UE) is received to be used to trigger the transmission time interval (tti) bundle transmission mechanism using enhancing from network side equipment
Triggering information；
Under the triggering of the triggering information, the UE is carried out using the transmission time interval (tti) bundle transmission mechanism of the enhancing
Row transmission；
Wherein, the transmission time interval (tti) bundle transmission mechanism of the enhancing includes at least one of: the mixing of enhancing weighs automatically
Pass request HARQ operation, the borrow process of HARQ process resource；
Wherein, it is 12ms that the hybrid automatic repeat-request HARQ operation of the enhancing, which includes: setting HARQ loopback time delay RTT,；With/
Or the borrow process of the HARQ process resource includes following one: continuing the borrow process, semi-continuous of HARQ process resource
Borrow process, the borrow process of dynamic HARQ process resource of HARQ process resource.
11. according to the method described in claim 10, it is characterized in that, the triggering information includes:
Uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
12. according to the method described in claim 10, it is characterized in that, the triggering information further include:
Uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
13. according to the method for claim 12, which is characterized in that
When the decimal system index that the MCS field indicates is equal to minimum value, and the decimal system index etc. that the RA field indicates
When maximum value, the transmission time interval (tti) bundle transmission mechanism of the enhancing is triggered.
14. a kind of transmission processing device of transmission time interval (tti) bundle is applied to network side equipment characterized by comprising
Module is obtained, for obtaining the triggering information for being used for triggering the transmission time interval (tti) bundle transmission mechanism using enhancing；
Sending module, for sending the triggering information to user equipment (UE)；
Wherein, the acquisition module, for the transmission time interval (tti) bundle transmission mechanism in the enhancing include it is following at least it
For the moment, the triggering information: hybrid automatic repeat-request HARQ operation, the borrow process of HARQ process resource of enhancing is obtained；
Wherein, it is 12ms that the hybrid automatic repeat-request HARQ operation of the enhancing, which includes: setting HARQ loopback time delay RTT,；With/
Or the borrow process of the HARQ process resource includes following one: continuing the borrow process, semi-continuous of HARQ process resource
Borrow process, the borrow process of dynamic HARQ process resource of HARQ process resource.
15. device according to claim 14, which is characterized in that the acquisition module, in the triggering packet
The triggering information is obtained when including the following contents:
Uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
16. device according to claim 14, which is characterized in that the acquisition module is also used in the triggering information
Including obtaining the triggering information when the following contents:
Uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
17. a kind of transmission processing device of transmission time interval (tti) bundle is applied to user terminal UE characterized by comprising
Receiving module is used to trigger the transmission time interval (tti) bundle conveyer using enhancing for receiving from network side equipment
The triggering information of system；
Transmission module, for it is described triggering information triggering under, using the transmission time interval (tti) bundle conveyer of the enhancing
System carries out uplink；
Wherein, the receiving module, for the transmission time interval (tti) bundle transmission mechanism in the enhancing include it is following at least it
In the case where one, the triggering information: the borrow of the hybrid automatic repeat-request HARQ operation, HARQ process resource of enhancing is received
Process；
Wherein, it is 12ms that the hybrid automatic repeat-request HARQ operation of the enhancing, which includes: setting HARQ loopback time delay RTT,；With/
Or the borrow process of the HARQ process resource includes following one: continuing the borrow process, semi-continuous of HARQ process resource
Borrow process, the borrow process of dynamic HARQ process resource of HARQ process resource.
18. device according to claim 17, which is characterized in that the receiving module, in the triggering packet
When including following information, the triggering information is received:
Uplink authorizes the Modulation and Coding Scheme MCS field in Downlink Control Information DCI format.
19. device according to claim 17, which is characterized in that the receiving module is also used in the triggering information
Including receiving the triggering information when the following contents:
Uplink authorizes the combination of MCS field and resource allocation RA field in DCI format.
20. a kind of network side equipment characterized by comprising the described in any item devices of claim 14-16.
21. a kind of user equipment (UE) characterized by comprising the described in any item devices of claim 17-19.
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| CN201310535992.3A CN104618075B (en) | 2013-11-01 | 2013-11-01 | Method for transmission processing and device, network side equipment, the UE of TTI boundling |
| PCT/CN2014/079527 WO2015062276A1 (en) | 2013-11-01 | 2014-06-09 | Transmission processing method and device for tti bundling, network-side device and ue |
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| CN201310535992.3A CN104618075B (en) | 2013-11-01 | 2013-11-01 | Method for transmission processing and device, network side equipment, the UE of TTI boundling |
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| CN113660728B (en) * | 2016-02-05 | 2024-05-07 | 松下电器（美国）知识产权公司 | Base station, terminal and communication method |
| RU2735647C2 (en) * | 2016-02-29 | 2020-11-05 | Нтт Докомо, Инк. | User terminal, a radio base station and a radio communication method |
| WO2017193388A1 (en) * | 2016-05-13 | 2017-11-16 | 华为技术有限公司 | Data transmission method, blind detection method, and terminal device |
| CN111315013B (en) * | 2018-12-11 | 2023-07-25 | 上海朗帛通信技术有限公司 | User equipment, method and device in base station for wireless communication |
| EP3902170B1 (en) * | 2019-02-15 | 2023-10-18 | Huawei Technologies Co., Ltd. | Communication method, apparatus and system |
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| CN101651601A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Resource allocation method, system and related device |
| EP2635082A1 (en) * | 2012-02-29 | 2013-09-04 | Panasonic Corporation | Dynamic subframe bundling |
| CN103378924A (en) * | 2012-04-18 | 2013-10-30 | 中兴通讯股份有限公司 | Method of determining transport block size and device thereof, synchronization method, apparatus and system |
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| CN101651601A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Resource allocation method, system and related device |
| EP2635082A1 (en) * | 2012-02-29 | 2013-09-04 | Panasonic Corporation | Dynamic subframe bundling |
| CN103379628A (en) * | 2012-04-17 | 2013-10-30 | 中兴通讯股份有限公司 | Resource distribution method and mobile terminal based on transmission time interval binding |
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