CN103874203B - A kind of up channel distribution method of communication system - Google Patents
A kind of up channel distribution method of communication system Download PDFInfo
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- CN103874203B CN103874203B CN201210530565.1A CN201210530565A CN103874203B CN 103874203 B CN103874203 B CN 103874203B CN 201210530565 A CN201210530565 A CN 201210530565A CN 103874203 B CN103874203 B CN 103874203B
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Abstract
This application discloses a kind of up channel distribution method of communication system, including：For many subband UE,, except other sub-band resources in addition to the sub-band resources of the PUCCH channels of the UE, all resources of all resources, the 4th subframe and the 5th subframe in the 5th OFDM symbol of the 3rd subframe are used as the PUSCH channels of the UE, the UE will be distributed in 4 OFDM symbols before 3rd subframe in the radio frames for distributing to the UE.Through the above way, the unappropriated sub-band resources of PUCCH channels are distributed into the UE as PUSCH channels, so as to avoid the waste of frequency domain resource, and improves the transmission performance of PUSCH.
Description
Technical field
The application is related to the communication technology, the up channel distribution method of more particularly to a kind of communication system.
Background technology
The mandate frequency of power telecom network is discrete to be distributed in the frequency range of 223.525MHz~231.65MHz, totally 40, often
Individual bandwidth 25KHz, referred to as physics subband.Logic subband is corresponded in physics subband 223.525MHz~231.65MHz things
Reason subband.Each logic subband uses OFDM to carry effective information for basic fundamental.One user can support that list band also may be used
To support that many subbands send and receive, the most strong UE of ability can support 40 business of subband.
In current power communication system, on frequency domain, a subband includesIndividual effective subcarrier；In time domain,
One subframe includes 9 OFDM symbols.The PUCCH of subband UE more than one only takes up preceding 4 symbols of two subbands at frequency spectrum edge
Number, Fig. 1 gives current power communication system PUCCH channel architectures.As shown in figure 1, subband UE accounts for N more than onesubsIndividual subband,
Its PUCCH takes first logic subband on frequency domain（Subband 0）With last logic subband（Subband Nsubs-1）, in time domain
On account for preceding 4 symbol of the 3rd subframe of radio frames.Wherein, the 1st and the 4th OFDM symbol are used to transmit ACK/NACK
Information, the 2nd and the 3rd OFDM symbol are used to transmit PUCCH RS.In preceding 4 OFDM symbols of the 3rd subframe, except PUCCH
The subband 0 and subband N of occupancysubsOutside -1, remaining subband is idle subband.The unappropriated idle sub-band resources of these PUCCH
Other UE can not be distributed to, the PUSCH channels of this UE are also not yet assigned to, the waste of frequency resource is caused.Current power system
Authorize frequency resource very rare, therefore effectively become extremely important using limited frequency resource.
The content of the invention
The application provides a kind of up channel distribution method of communication system, can avoid the waste of frequency resource, more has
Utilize frequency resource to effect.
A kind of up channel distribution method of communication system, including：
For many subband UE, will be removed as the UE in 4 OFDM symbols before the 3rd subframe in the radio frames for distributing to the UE
PUCCH channels sub-band resources outside other sub-band resources, all resources, the 4th in the 5th OFDM symbol of the 3rd subframe
All resources of subframe and the 5th subframe distribute to the UE as the PUSCH channels of the UE.
It is preferred that on the PUSCH channels,
The 5th resource element of OFDM symbol is used to transmit PUSCH ginsengs in 3rd subframe, the 4th subframe and the 5th subframe
Examine symbol；
Other PUSCH channel resources in addition to the resource that the PUSCH reference symbol takes of many subband UE, use
In transmission PUSCH data messages.
It is preferred that the sub-band resources of the PUCCH channels as the UE are：4 OFDM symbols before 3rd subframe
On first and last sub-band resources.
It is preferred that on the PUCCH channels of the UE, the 1st OFDM symbol of the 3rd subframe and the 4th OFDM are accorded with
Resource on number is used for loading ACK/nack message, in the 2nd OFDM symbol and the 3rd OFDM symbol of the 3rd subframe
Resource is used to carry PUCCH reference symbols.
As seen from the above technical solution, in the application, for many subband UE, the 3rd son in the radio frames of the UE will be distributed to
Other sub-band resources, the 3rd subframe before frame in 4 OFDM symbols in addition to as the sub-band resources of the PUCCH channels of the UE
All resources of all resources, the 4th subframe and the 5th subframe in the 5th OFDM symbol are divided as the PUSCH channels of the UE
The dispensing UE.Through the above way, the unappropriated sub-band resources of PUCCH channels are distributed into the UE as PUSCH channels, so that
The waste of frequency domain resource is avoided, and improves the transmission performance of PUSCH.
Brief description of the drawings
Fig. 1 is the PUCCH channel architecture schematic diagrames of current power communication system；
Fig. 2 is the uplink channel structure schematic diagram of many subband UE in the application.
Specific embodiment
In order that the purpose of the application, technological means and advantage become more apparent, the application is done below in conjunction with accompanying drawing
Further describe.
The basic thought of the application is：Using the unappropriated idle sub-band resources transmission other information of PUCCH channels, so that
Avoid the waste of frequency resource.
At present, for many subband UE, the resource of its PUSCH channel occupancy includes：Rear 5 OFDM symbols in 3rd subframe
All resources of the subframe of resource, the 4th and the 5th.Wherein, in the 3rd subframe, PUSCH reference symbol is located at the 7th OFDM symbol
On；In the 4th and the 5th subframe, PUSCH reference symbol is located in the 5th OFDM symbol.More effectively to improve PUSCH channels
Transmission performance, in the application, using the unappropriated idle sub-band resources of PUCCH channels as the UE PUSCH channels, for passing
Defeated PUSCH data, are that many subband UE distribute more PUSCH resources, so as to by the PUSCH channels for extending, obtain the time point
Diversity gain and coding gain, to improve the handling capacity and transmission performance of PUSCH.
In more detail, each radio frames in power communication system include 5 subframes, and each subframe is 640Ts（1Ts=1/
128k）.One subframe includes 9 OFDM symbols, and the 1st OFDM symbol is 72 Ts, and remaining 8 OFDM symbol is respectively 71
Ts.According to the up channel distribution method in the application, for many subband UE, its PUSCH channel is specifically included：Distribute to this many
Its in the radio frames of subband UE before the 3rd subframe in 4 OFDM symbols in addition to as the sub-band resources of the PUCCH channels of the UE
All resources of all resources, the 4th subframe and the 5th subframe in his sub-band resources, the 5th OFDM symbol of the 3rd subframe.
Wherein, by visible compared with the resource shared by existing PUSCH channels, by 4 before the 3rd subframe in the application
Other sub-band resources in OFDM symbol in addition to as the sub-band resources of the PUCCH channels of UE also serve as PUSCH channels, so that
The frequency resource of PUSCH channel occupancies is considerably increased, PUSCH channels can be greatly improved using these increased frequency resources
Handling capacity, obtain time diversity gain and coding gain.
Further, since 4 part resources of OFDM symbol are extended before the 3rd subframe as PUSCH channels, most simply,
The position of PUSCH reference symbol can remain in that constant in the 3rd subframe.If it is contemplated that still in the 7th OFDM
PUSCH reference symbol is transmitted on symbol, then the newly-increased PUSCH channels of the PUSCH reference symbolic distance（I.e. preceding 4 OFDM symbols）
Farther out, the accuracy of its channel estimation will be affected, so as to influence the demodulation performance of this part PUSCH data.In view of this,
In the application preferably, in the 5th OFDM symbol transmission PUSCH reference signal of the 3rd subframe, so as to improve the solution tonality of PUSCH
Energy.In other resources on PUSCH channels in addition to the resource that PUSCH reference symbol takes, PUSCH data are transmitted.
In this application, PUCCH channel resources are identical with existing PUCCH channel resources occupancy situation, without modification.Also
To say, PUSCH and PUCCH multiplexing radio frames the 3rd, 4,5 subframes.It is preferred in specific above-mentioned the application to support NsubsIndividual subband
Many subband UE uplink channel structure it is as shown in Figure 2.The logic subband index that PUCCH takes 4 symbols before the 3rd subframe is
0 and logic subband index be Nsubs- 1 resource element.Wherein the 1st symbol and the 4th symbols carry ACK/NACK information, the 2nd
Individual symbol and the 3rd symbol are PUCCH reference symbols（RS Reference Signal）.4 before the subframe of PUSCH channel occupancies the 3rd
The logic subband 1 that PUCCH is not allocated in individual symbol arrives NsubsRear 5 symbols and the 4th son of -2 resource elements and the 3rd subframe
Frame and the 5th subframe.5th symbol of each subframe is unallocated in PUSCH RS, PUSCH data message occupancy PUSCH channels
To the resource element of RS.Wherein, the l in Fig. 2 represents that time-domain symbol is indexed, and span is the subcarrier that 0~8, k represents frequency domain
Index, span is
The above-mentioned up channel distribution method being in the application, it is fully sharp in the application from above-mentioned distribution method
The frequency domain resource not utilized with the 3rd radio frames PUCCH channel of many subband UE, distributes to PUSCH channels and uses, so that effectively
Frequency resource is make use of, the ability of system bearing effective information is also improved.Additionally, PUSCH channels increased time-domain signal
Length, may obtain time diversity gain.The increase of PUSCH resources, can also increase code length, obtain coding gain.Enter one
Step ground, is redistributed by PUSCH RS in the 3rd subframe, is conducive to improving the demodulation performance of PUSCH.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (4)
1. the up channel distribution method of a kind of communication system, it is characterised in that including：
In power communication system, for many subband UE, 4 OFDM symbols before the 3rd subframe will be distributed in the radio frames of the UE
On other sub-band resources in addition to as the sub-band resources of the PUCCH channels of the UE, in the 5th OFDM symbol of the 3rd subframe
All resources, the 4th subframe and the 5th subframe all resources as the PUSCH channels of the UE, distribute to the UE.
2. method according to claim 1, it is characterised in that on the PUSCH channels,
The 5th resource element of OFDM symbol is used to transmit PUSCH reference symbol in 3rd subframe, the 4th subframe and the 5th subframe
Number；
Other PUSCH channel resources in addition to the resource that the PUSCH reference symbol takes of many subband UE, for passing
Defeated PUSCH data messages.
3. method according to claim 1 and 2, it is characterised in that the subband money of the PUCCH channels as the UE
Source is：First before 3rd subframe in 4 OFDM symbols and last sub-band resources.
4. method according to claim 3, it is characterised in that on the PUCCH channels of the UE, the 3rd subframe
Resource in 1st OFDM symbol and the 4th OFDM symbol is used for loading ACK/nack message, the 2nd of the 3rd subframe
Resource in OFDM symbol and the 3rd OFDM symbol is used to carry PUCCH reference symbols.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210530565.1A CN103874203B (en) | 2012-12-11 | 2012-12-11 | A kind of up channel distribution method of communication system |
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| CN201210530565.1A CN103874203B (en) | 2012-12-11 | 2012-12-11 | A kind of up channel distribution method of communication system |
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| CN103874203A CN103874203A (en) | 2014-06-18 |
| CN103874203B true CN103874203B (en) | 2017-05-31 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106376083B (en) * | 2015-07-21 | 2020-05-01 | 普天信息技术有限公司 | Method for allocating uplink multi-sub-band resources of authorized frequency band, base station and user equipment |
| CN106413092B (en) * | 2015-07-22 | 2019-07-05 | 普天信息技术有限公司 | Uplink resource allocating method and device |
| WO2017075807A1 (en) * | 2015-11-06 | 2017-05-11 | 华为技术有限公司 | Data transmission method, network device and terminal device |
| CN110198565A (en) * | 2018-02-26 | 2019-09-03 | 普天信息技术有限公司 | The distribution method and device of ascending resource in a kind of small bandwidth system |
| CN110535576B (en) * | 2018-05-24 | 2021-11-05 | 普天信息技术有限公司 | Pilot frequency sending method and device for uplink service channel |
| CN112449427B (en) * | 2019-09-05 | 2024-04-23 | 普天信息技术有限公司 | Data transmission method of multi-sub-band communication system, electronic equipment and storage medium |
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| CN1909440A (en) * | 2005-08-01 | 2007-02-07 | 上海原动力通信科技有限公司 | Communication method for broad band time-division duplex system |
| CN101345974A (en) * | 2007-07-09 | 2009-01-14 | 大唐移动通信设备有限公司 | Method and system for scheduling mobile terminal to transmit ascending signal channel detection pilot frequency |
| CN101379723A (en) * | 2006-02-07 | 2009-03-04 | Lg电子株式会社 | Method for transmitting response information in mobile communications system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909440A (en) * | 2005-08-01 | 2007-02-07 | 上海原动力通信科技有限公司 | Communication method for broad band time-division duplex system |
| CN101379723A (en) * | 2006-02-07 | 2009-03-04 | Lg电子株式会社 | Method for transmitting response information in mobile communications system |
| CN101345974A (en) * | 2007-07-09 | 2009-01-14 | 大唐移动通信设备有限公司 | Method and system for scheduling mobile terminal to transmit ascending signal channel detection pilot frequency |
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