CN102118240B - Method and device for binding redundancy version with radio frame number and subframe number - Google Patents
Method and device for binding redundancy version with radio frame number and subframe number Download PDFInfo
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- CN102118240B CN102118240B CN 201110067799 CN201110067799A CN102118240B CN 102118240 B CN102118240 B CN 102118240B CN 201110067799 CN201110067799 CN 201110067799 CN 201110067799 A CN201110067799 A CN 201110067799A CN 102118240 B CN102118240 B CN 102118240B
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Abstract
The embodiment of the invention discloses a method and a device for binding a redundancy version with a system frame number and a system subframe number. The method comprises the following steps: randomly selecting five continuous subframes according to the subframe number of the system frame number within the range of the transmission window length of system information; and binding the system frame number and the subframe number of the five randomly-selected continuous subframes with the redundancy version of the system information. The redundancy version is bound with the system frame number and the system subframe number, so that when the transmission window length of SI-x information is grater than or equal to that of the five subframes, system frame and system subframe can be bound with a redundancy version RV of the SI-x information and the RV retransmission performance of SI-x information is ensured.
Description
Technical field
The embodiment of the invention relates to the communications field, relates in particular to the method and apparatus of a kind of redundancy versions and radio frame number and subframe numbers binding.
Background technology
(the Downlink Control Indicator of DCI in the prior art, descending control indication) format 1C can be used to dispatch PCH (Paging Channel, paging channel), RACH (Random Access Channel, Random Access Channel) response and BCCH (Broadcast Channel, broadcast channel) message (SIB1 and SI-x, x=2 ..., 8).Following regulation is arranged in the prior art:
RV (Redundancy Version, redundancy versions): use 0 bit, i.e. recessive indication;
The RV of SIB1 (System Information Block 1, System information block) is tied to SFN (System Frame Number, System Frame Number, be radio frame number) and subframe numbers on, and require to use different RV number at 80ms, the RV order is RV0, RV2, RV3, RV1; The RV of SI-x (SystemInformation, system message) is tied on SFN (System Frame Number, the radio frame number) subframe numbers.
Stipulate in the prior art, each radio frames is 10ms, and numbering is since 0, and each radio frames comprises 10 subframes, and numbering is respectively 0-9.The sequential relationship of radio frames and subframe as shown in Figure 1.
SIB1 is at 80ms in the cycle, and frame number is that subframe numbers is to transmit on 5 the subframe in the radio frames of even number in 8 radio frames, and its RV order is 0,2,3,1.The transmission in the transmission window of regulation is long of SI-x message, its window length can be { 1,2,5,10,20,40}ms, each SI-x message is transmitted with certain number of retransmissions in transmission window is long, retransmit on a subframe, and the transmission window of each SI-x message is upper closely continuous for a long time at every turn, but can not be overlapping.The transmission window of SI-x can be overlapping with the transmission window of SIB1, but SI-x message can not be transmitted in the subframe of transmission SIB1.
In realizing process of the present invention, the inventor find in the prior art not that the RV with SI-x is tied to SFN number and subframe numbers on scheme so that the retransmission performance of SI-x message can't be protected, therefore, the inventor feels deeply and need to improve prior art.
Summary of the invention
The embodiment of the invention provides the method for a kind of redundancy versions and radio frame number and subframe numbers binding, and the retransmission performance of SI-x message is protected.
The embodiment of the invention provides the method for a kind of redundancy versions and radio frame number and subframe numbers binding, may further comprise the steps:
In the transmission window of system message is long, select any 5 continuous subframes according to the subframe numbers of radio frame number;
Radio frame number and subframe numbers and system message redundant version binding with described any 5 continuous subframes.
The embodiment of the invention provides the device of a kind of redundancy versions and radio frame number and subframe numbers binding, comprising:
The subframe selected cell is used for selecting any 5 continuous subframes according to the subframe numbers of radio frame number in the transmission window of system message is long;
The binding unit is used for radio frame number and subframe numbers and system message redundant version binding with described any 5 continuous subframes.
Compared with prior art, the embodiment of the invention has the following advantages at least:
By redundancy versions and radio frame number and radio sub-frame number are bound, when the transmission window of SI-x message is grown up when equaling 5 subframes, realize the binding of the redundancy versions RV of radio frames and wireless sub-frame and SI-x message, guaranteed the retransmission performance of the RV of SI-x message.
Description of drawings
Fig. 1 is the sequential chart of radio frames and subframe in the prior art;
A kind of redundancy versions that Fig. 2 provides for one embodiment of the invention and the schematic flow sheet of radio frame number and subframe numbers binding method;
A kind of redundancy versions that Fig. 3 provides for another embodiment of the present invention and the schematic flow sheet of radio frame number and subframe numbers binding method;
A kind of redundancy versions that Fig. 4 provides for another embodiment of the present invention and the schematic flow sheet of radio frame number and subframe numbers binding method;
A kind of redundancy versions of adopting the embodiment of the invention and providing and the subframe redundancy versions order schematic diagram of radio frame number and subframe numbers binding method are provided Fig. 5;
A kind of redundancy versions that Fig. 6 provides for one embodiment of the invention and the structural representation of radio frame number and subframe numbers binding device;
A kind of redundancy versions that Fig. 7 provides for another embodiment of the present invention and the structural representation of radio frame number and subframe numbers binding device.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is introduced.
The embodiment of the invention provides the method for a kind of redundancy versions and radio frame number and subframe numbers binding, as shown in Figure 2, may further comprise the steps:
Step s201 selects any 5 continuous subframes according to the subframe numbers of radio frame number;
In this step, be in the transmission window of system message SI-x is long, to select.
Step s202 is with radio frame number and subframe numbers and the system message redundant version binding of described any 5 continuous subframes.
In this step, set the system message redundant version of above-mentioned any 5 continuous subframes, realize the binding of system message redundant version and radio frame number and subframe numbers.
By the method that adopts the embodiment of the invention to provide, redundancy versions and radio frame number and radio sub-frame number are bound, grow up when equaling 5 subframes when the transmission window of SI-x message, guaranteed the retransmission performance of the RV of SI-x message.
Below in conjunction with concrete application scenarios the present invention is introduced.
The embodiment of the invention provides the method for a kind of redundancy versions and radio frame number and subframe numbers binding, and in the present embodiment, order is S when setting the RV re-transmission
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) }, S wherein
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) }={ 0,2,3,1}.It will be appreciated by persons skilled in the art that RV can also adopt other order when retransmitting.
Concrete, as shown in Figure 3, take subframe numbers N equal 0 or 5 as initial 5 continuous subframes as example, the method for binding can may further comprise the steps:
Step s301 equals for subframe numbers that { setting its RV order is S for the subframe of 0,1,2,3,4}, 4 subframes orderly on the selected sequential therefrom
RV(0), S
RV(1), S
RV(2), S
RV(3), and the RV that sets a remaining subframe be S set
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) } the some values in.
Step s302, for subframe numbers equal the subframe of 5,6,7,8,9} can be divided into following two kinds of situations and process:
A, be that the radio frames of even number (is radio frames frame number=0,2,4...): be that { subframe of 6,7,8,9}, setting in order its RV order is S for subframe numbers for frame number
RV(0), S
RV(1), S
RV(2), S
RV(3).
Preferably, can be that the redundancy versions of 5 subframe is set as with subframe numbers:
N wherein
fRepresent the radio frames frame number.The RV order that like this, can guarantee SIB1 is S
RV(0), S
RV(1), S
RV(2), S
RV(3).
B, be that the radio frames of odd number (is radio frames frame number=1,3,5...): equal from subframe numbers that { 4 subframes orderly on the selected sequential in the subframe of 5,6,7,8,9}, setting its RV order is S for frame number
RV(0), S
RV(1), S
RV(2), S
RV(3), and the RV that sets a remaining subframe be S set
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) } the some values in.
By the method that adopts the embodiment of the invention to provide, with redundancy versions and radio frame number and subframe numbers binding, guarantee to grow up when equaling 5ms when the transmission window of SI-x message, in arbitrary transmission window, all find 4 times to have the RV of the subframe of precedence to arrange by a graded, thereby can guarantee the systematic function of SI-x retransmitting message.
It will be appreciated by persons skilled in the art that and nonessential take subframe numbers N equal 0 or 5 as initial 5 continuous subframes as one group of binding of carrying out RV and radio frame number and subframe numbers.Wherein, N can for greater than 0 less than 9 integer.Perhaps, in some situation, can also a subframe redundancy versions binding subframe and SI-x.
When N is not 0, and 5 during greater than N-1, and the subframe 0～N-1 of radio frames 0 can the Random assignment S set
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) } the some values in.When N is not 0, and 5 during less than or equal to N-1, and the RV of subframe numbers 5 is S
RV(0), subframe numbers 0～4 and 6～N-1 Random assignment S set
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) } the some values in.
The RV of above-mentioned radio frames binding is continuous and unduplicated, and namely from the starting point N of radio frames 0, per 5 subframes are bound, and is connected to each other but does not repeat.
The below describes as 5ms as example take SI-x transmission of messages window length.
The embodiment of the invention provides the method for a kind of redundancy versions and radio frame number and subframe numbers binding, as shown in Figure 4, take subframe numbers N equal 0 or 5 as initial 5 continuous subframes as example, the method for binding can may further comprise the steps:
Step s401 equals for subframe numbers that { setting its RV order is S for the subframe of 0,1,2,3,4}, therefrom selected subframe 0, subframe 1, subframe 2, subframe 3
RV(0), S
RV(1), S
RV(2), S
RV(3), and the RV that sets subframe 4 be
N wherein
fRepresent the radio frames frame number.
Like this, take 0 in continuous 5 subframes of starting point, can ensure the subframe that precedence is arranged on 4 sequential for subframe numbers, its RV order is S
RV(0), S
RV(1), S
RV(2), S
RV(3), eNB (enhanced Node-B, enhanced base station) can retransmit SI-x by these subframes of scheduling, because redundancy versions is different, and the enhancing that can bring retransmission performance.
Step s402, for subframe numbers equal the subframe of 5,6,7,8,9} is divided into following two kinds of situations and processes:
A, be that the radio frames of even number (is radio frames frame number=0,2,4...): be that { subframe of 6,7,8,9}, can set in order its RV order is S for subframe numbers for the radio frames frame number
RV(0), S
RV(1), S
RV(2), S
RV(3).Like this, for radio frame number be even number, subframe numbers is take 5 in continuous 5 subframes of starting point, can ensure the subframe that precedence is arranged on 4 sequential, its RV order is S
RV(0), S
RV(1), S
RV(2), S
RV(3), eNB can retransmit SI-x by these subframes of scheduling, because redundancy versions is different, and the enhancing that brings retransmission performance.
Further, be 5 subframe for subframe numbers, then its redundancy versions can be set as:
N wherein
fRepresent the radio frames frame number.Like this, can realize at 80ms in the cycle, frame number is that subframe numbers is that 5 subframe RV order is S in the radio frames of even number in 8 radio frames
RV(0), S
RV(1), S
RV(2), S
RV(3), guaranteed that eNB can have available scheduling of resource SIB1 transmission.
B, be that the radio frames of odd number (is radio frames frame number=1,3,5...): equal from subframe numbers that { selected subframe 6, subframe 7, subframe 8, subframe 9 in the subframe of 5,6,7,8,9}, setting its RV order is S for the radio frames frame number
RV(0), S
RV(1), S
RV(2), S
RV(3), and the RV that sets a remaining subframe 5 be
N wherein
fRepresent the radio frames frame number.For radio frame number be odd number, subframe numbers is take 5 in continuous 5 subframes of starting point, can ensure the subframe that precedence is arranged on 4 sequential, its RV order is S
RV(0), S
RV(1), S
RV(2), S
RV(3), eNB can retransmit SI-x by these subframes of scheduling, because redundancy versions is different, and the enhancing that brings retransmission performance.
By above step, the RV value of subframe as shown in Figure 5 on each radio frames that obtains.The method of the RV that provides by the embodiment of the invention and radio frame number and subframe numbers binding, for any 5 continuous subframes with subframe numbers 0 or subframe numbers 5 beginnings, on the shared subframe, can not found the subframe that precedence was arranged on 4 times by SIB1 at it, its RV order is sequence S
RV(0), S
RV(1), S
RV(2), S
RV(3), be convenient to SI-x transmission of messages window and grow eNB scheduling of resource when being 5ms, strengthened the retransmission performance of SI-x message.
Further, in per 2 continuous radio frames take radio frames frame number 0 as starting point, per 5 continuous subframes are divided into 1 group obtain 4 subframe groups, each subframe group can find 4 subframes successively on 4 sequential, they do not transmit SIB1 message, and the RV order is S
RV(0), S
RV(1), S
RV(2), S
RV(3).Because the time is upper evenly to distribute, and the resource that can dispatch is 4 groups, strengthened the dispatching flexibility of eNB, can obtain good time diversity; ENB scheduling of resource when being convenient to SI-x transmission greater than 5ms has strengthened the retransmission performance of SI-x message.
Further, at 80ms in the cycle, frame number is that subframe numbers is that 5 subframe RV order is S in the radio frames of even number in 8 radio frames
RV(0), S
RV(1), S
RV(2), S
RV(3), guaranteed that eNB can have available scheduling of resource SIB1 transmission.
The embodiment of the invention provides the device of a kind of redundancy versions and radio frame number and subframe numbers binding, as shown in Figure 6, comprising:
Subframe selected cell 61 is used for selecting any 5 continuous subframes according to the subframe numbers of radio frame number in the transmission window of system message is long;
By the device that adopts the embodiment of the invention to provide, with redundancy versions and radio frame number and subframe numbers binding, guaranteed when grow up retransmission performance when equaling 5ms of the transmission window of SI-x message.
Preferably, as shown in Figure 7, binding unit 62 comprises:
The order of setting the redundancy versions of 4 subframes that precedence is arranged on the sequential is S
RV(0), S
RV(1), S
RV(2), S
RV(3), wherein, N is less than or equal to 9 integer more than or equal to 0; The redundancy versions of setting a remaining subframe is S
RV(0), S
RV(1), S
RV(2), S
RV(3) any one in.
Second sets subelement 622, is used for subframe numbers some as 5 o'clock of 5 continuous subframes beginning take subframe numbers N, is the radio frames of even number for frame number, and the order of setting subframe numbers and be the redundancy versions of all the other 4 subframes beyond 5 the subframe is S
RV(0), S
RV(1), S
RV(2), S
RV(3); The redundancy versions of setting subframe numbers and be 5 subframe is
N wherein
fBe the radio frames frame number, and S
RV={ S
RV(0), S
RV(1), S
RV(2), S
RV(3) }.
The 3rd sets subelement 623, is used for subframe numbers some as 5 o'clock of 5 continuous subframes beginning take subframe numbers N, is the radio frames of odd number for frame number,
The order of setting the redundancy versions of 4 subframes that priority is arranged on the sequential is S
RV(0), S
RV(1), S
RV(2), S
RV(3);
The redundancy versions of setting a remaining subframe is S
RV(0), S
RV(1), S
RV(2), S
RV(3) any one in.
Concrete binding procedure can also referring to the description in the embodiment of the method, not repeat them here.Like this, the device of the RV that provides by the embodiment of the invention and radio frame number and subframe numbers binding, for any 5 continuous subframes with subframe numbers 0 or subframe numbers 5 beginnings, at it not by SIB1 on the shared subframe, can find the subframe that precedence was arranged on 4 times, its RV order is sequence S
RV(0), S
RV(1), S
RV(2), S
RV(3), be convenient to SI-x transmission of messages window and grow eNB scheduling of resource when being 5ms, strengthened the retransmission performance of SI-x message.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a redundancy versions and radio frame number and subframe numbers binding is characterized in that, may further comprise the steps:
In the transmission window of system message is long, select any 5 continuous subframes according to the subframe numbers of radio frame number;
Radio frame number and subframe numbers according to described any 5 continuous subframes are set redundancy versions, and wherein, the step of setting redundancy versions according to radio frame number and the subframe numbers of described any 5 continuous subframes comprises:
The subframe numbers of 5 continuous subframes that begin take subframe numbers N is all as 5 o'clock, and wherein, N is less than or equal to 9 integer more than or equal to 0;
Set corresponding redundancy versions value { 0,2,3,1} according to 4 subframes that precedence is arranged on the sequential;
The value of the redundancy versions of a remaining subframe is that above-mentioned 4 subframes are set any one in the corresponding redundancy versions value.
2. the method for claim 1 is characterized in that, if the subframe numbers of any 5 continuous subframes be 0,1,2,3,4}, wherein,
For subframe numbers equal the subframe of 0,1,2,3}, and set its redundancy versions RV value for 0,2,3,1},
Be set as any one of above-mentioned redundancy versions value for the redundancy versions value of subframe numbers 4.
3. such as any one described method of claim 1 to 2, it is characterized in that, the transmission window of described system message is long to be 5ms, 10ms, 20ms or 40ms.
4. the method for a redundancy versions and radio frame number and subframe numbers binding is characterized in that, may further comprise the steps:
In the transmission window of system message is long, select any 5 continuous subframes according to the subframe numbers of radio frame number;
Radio frame number and subframe numbers according to described any 5 continuous subframes are set redundancy versions,
Wherein, the step of setting redundancy versions according to radio frame number and the subframe numbers of described any 5 continuous subframes comprises:
Some as 5 o'clock in the subframe numbers of 5 continuous subframes that begin take subframe numbers N, N are less than or equal to 9 integer more than or equal to 0;
Be the radio frames of even number for frame number, set subframe numbers and be the value of redundancy versions of all the other 4 subframes beyond 5 the subframe for { 0,2,3,1}, subframe numbers are that the redundancy versions value of 5 subframe obtains according to formula
N wherein
fBe the radio frames frame number;
Be the radio frames of odd number for frame number, set 4 subframes are successively arranged on the sequential the redundancy versions value for { 0,2,3,1}, the redundancy versions value of setting a remaining subframe is above-mentioned { any one among 0,2,3, the 1} that be.
5. method as claimed in claim 4 is characterized in that, for subframe numbers equal the subframe of 5,6,7,8,9}, wherein,
If radio frame number is even number, the redundancy versions value of setting subframe numbers 6, subframe numbers 7, subframe numbers 8, subframe numbers 9 be that { 0,2,3,1}, setting subframe numbers are that the redundancy versions value of 5 subframe obtains according to formula
N wherein
fBe the radio frames frame number;
If radio frame number is odd number, the redundancy versions value of setting subframe numbers 5, subframe numbers 6, subframe numbers 7, subframe numbers 8 is that { 0,2,3,1}, the redundancy versions value of subframe numbers 9 is set as above-mentioned redundancy versions value { any one among 0,2,3, the 1}.
6. such as any one described method of claim 4 to 5, it is characterized in that, the transmission window of described system message is long to be 5ms, 10ms, 20ms or 40ms.
7. the device of a redundancy versions and radio frame number and subframe numbers binding is characterized in that, comprising:
The subframe selected cell is used for selecting any 5 continuous subframes according to the subframe numbers of radio frame number in the transmission window of system message is long;
The binding unit is used for setting redundancy versions according to radio frame number and the subframe numbers of described any 5 continuous subframes,
Wherein, described binding unit comprises:
First sets subelement, is used for the subframe numbers of 5 continuous subframes beginning take subframe numbers N all not as 5 o'clock, and wherein, N is more than or equal to 0 less than or equal to 9 integer,
Set corresponding redundancy versions value { 0,2,3,1} according to 4 subframes that precedence is arranged on the sequential;
The value of the redundancy versions of a remaining subframe is that above-mentioned 4 subframes are set any one in the corresponding redundancy versions value.
8. device as claimed in claim 7 is characterized in that, if the subframe numbers of any 5 continuous subframes be 0,1,2,3,4}, then
First sets subelement is used for equaling for subframe numbers that { subframe of 0,1,2,3} is set its RV value and be that { 0,2,3,1} is set as any one of above-mentioned redundancy versions value for the redundancy versions value of subframe numbers 4.
9. the device of a redundancy versions and radio frame number and subframe numbers binding is characterized in that, comprising:
The subframe selected cell is used for selecting any 5 continuous subframes according to the subframe numbers of radio frame number in the transmission window of system message is long;
The binding unit is used for setting redundancy versions according to radio frame number and the subframe numbers of described any 5 continuous subframes;
Wherein, described binding unit also comprises:
Second sets subelement, is used for subframe numbers some as 5 o'clock of 5 continuous subframes beginning take subframe numbers N, and N is less than or equal to 9 integer more than or equal to 0;
Be the radio frames of even number for frame number,
Be the radio frames of even number for frame number, set subframe numbers and be the value of redundancy versions of all the other 4 subframes beyond 5 the subframe for { 0,2,3,1}, subframe numbers are that the redundancy versions value of 5 subframe obtains according to formula
N wherein
fBe the radio frames frame number;
Be the radio frames of odd number for frame number, set 4 subframes are successively arranged on the sequential the redundancy versions value for { 0,2,3,1}, the redundancy versions value of setting a remaining subframe is above-mentioned { any one among 0,2,3, the 1} that be.
10. device as claimed in claim 9 is characterized in that, for subframe numbers equal the subframe of 5,6,7,8,9},
If radio frame number is even number, second to set the redundancy versions value that subelement is used for setting subframe numbers 6, subframe numbers 7, subframe numbers 8, subframe numbers 9 be that { 0,2,3,1}, setting subframe numbers are that the redundancy versions value of 5 subframe obtains according to formula
N wherein
fBe the radio frames frame number;
If radio frame number is odd number, the binding unit also comprises: the 3rd sets subelement, and the redundancy versions value that is used for setting subframe numbers 5, subframe numbers 6, subframe numbers 7, subframe numbers 8 is { 0,2,3,1}, the redundancy versions value of subframe numbers 9 is set as above-mentioned redundancy versions value { 0, among 2,3, the 1} any one.
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| KR102350170B1 (en) | 2018-04-04 | 2022-01-11 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Method and device for determining system information redundancy version |
| WO2020034332A1 (en) | 2018-09-28 | 2020-02-20 | Zte Corporation | Bit selection for hybrid automatic repeat requests |
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| CN1965521A (en) * | 2004-05-06 | 2007-05-16 | 诺基亚公司 | Redundancy version implementation for an uplink enhanced dedicated channel |
| CN1983916A (en) * | 2006-04-30 | 2007-06-20 | 华为技术有限公司 | Redundant edition re-configuration |
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| CN1965521A (en) * | 2004-05-06 | 2007-05-16 | 诺基亚公司 | Redundancy version implementation for an uplink enhanced dedicated channel |
| CN1983916A (en) * | 2006-04-30 | 2007-06-20 | 华为技术有限公司 | Redundant edition re-configuration |
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