CN101400065A - Signaling representing method for frequency-hopping resource - Google Patents
Signaling representing method for frequency-hopping resource Download PDFInfo
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- CN101400065A CN101400065A CNA200710161593XA CN200710161593A CN101400065A CN 101400065 A CN101400065 A CN 101400065A CN A200710161593X A CNA200710161593X A CN A200710161593XA CN 200710161593 A CN200710161593 A CN 200710161593A CN 101400065 A CN101400065 A CN 101400065A
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Abstract
The invention provides a signalling representation of frequency hopping resource, wherein the signalling is used for representing the frequency hopping resource according to the distribution information of the frequency hopping resource, which is obtained based on the follow steps: the step S102, dividing a plurality of sub-carriers usable for the system into n sections according to resource block as a unit, and numbering each section; the step S104, building coincidence relation between the sections; and the step S106, obtaining the distribution information of the frequency hopping resource according to the preset conditions. According to the invention, cost for representing the up frequency hopping resource is reduced, no broadcast channel is required to transmit the frequency hopping modes and select the signalling, meanwhile, flexibility of the up frequency hopping is increased.
Description
Technical field
The present invention relates to mobile communication system, relate in particular to a kind of signaling representing method of frequency-hopping resource.
Background technology
In order to satisfy the demand that people are constantly developed mobile communication, have some basic demands aspect the selection of uplink radio transmission technology: support scalable bandwidth, moderate peak-to-average force ratio (Peak Average Power Ration, be called for short a position PAPR)/three gradient amounts (cubicmetric is called for short a position CM), guarantee the orthogonality of uplink etc.The multiplexing multiple access of the single carrier frequency division of single carrier transmission scheme (Single Carrier Frequency Division MultipleAddress, be called for short a position SC-FDMA) owing to have lower PAPR/CM and can improve the validity of power and expand the coverage area, thus become the basic candidate scheme of present LTE uplink.
The single carrier transmission scheme that most of companies are recommended is at LFDMA (LocalisedFrequency Division Multiple Address, centralized frequency division multiple access)-FH (Frequency Hopping, frequency hopping) used frequency hopping in, both can guarantee good channel estimating performance, frequency diversity gain can also be obtained, and cell interference diversity gain can be obtained.
General hopping scheme all carries out under single user or multi-user's transmission environment.Under the random frequency hopping situation, if reasonably do not design the frequency hopping pattern, then can not guarantee mutually orthogonal between the user and may bump, thereby this can cause serious distortion to cause taking defeat.
The demand of launching shared bandwidth as the up user of LTE not simultaneously, the frequency hopping of mode can cause the discontinuous subcarrier of CU usually, this can make the PAPR/CM of system increase, thereby has violated the design original intention of single-carrier system.At present, main hopping scheme is divided into system bandwidth subband or subclass exactly, then, size according to subband or subclass is carried out frequency hopping, wherein, subband or subclass are represented one section continuous resource, and be not overlapping between subband (subclass), and each frequency hopping user's resource only can be distributed in a subband or subclass.
For this reason, frequency hopping user's resource representation just can be represented according to the mode of subband or subclass, thereby reduced frequency hopping user's resource signaling signaling consumption, made the bit that saves can be used to transmit frequency-hopping mode, and no longer need to transmit frequency-hopping mode by broadcast channel.This frequency hopping also can be called the segmentation frequency hopping, and each section is exactly a subband or subclass.
Summary of the invention
The present invention is directed to third generation partner program Long Term Evolution plan (1ong termevolution, be called for short position LTE) the ul transmissions scheme, on basis, a kind of signaling representing method of frequency-hopping resource has been proposed based on the LFDMA transmission plan of segmentation frequency hopping.
In the method, represent the signaling of frequency-hopping resource wherein, to obtain frequency-hopping resource assignment information: step S102 according to the frequency-hopping resource assignment information according to following steps, with system can with a plurality of subcarriers be that unit is divided into the n section according to Resource Block, and to each the section be numbered; Step S104 sets up the corresponding relation between section and the section; And step S106, obtain the frequency-hopping resource assignment information according to the condition of previous setting.
Wherein, the frequency-hopping resource assignment information is made up of information header, section indicating bit and information bit.
Information header is represented frequency-hopping mode, by the described frequency-hopping mode of binary number representation.
The section indicating bit is represented the numbering of frequency hopping user resources place section, by the numbering of binary number representation section.
Information bit is represented the position of frequency hopping user resources in institute's dispensing section, can be by the method representation information bit of tree-like node.
Can with system can with a plurality of subcarriers be divided into 2 sections, that is, n is 2, makes first section of the time slot of winning with second time slot second section corresponding, second section of first time slot with second time slot first section is corresponding; Or first section of first time slot with second time slot first section is corresponding, and second section of first time slot with second time slot second section is corresponding.
Represent by the information header of 1 bit whether the frequency hopping user resources change the position, and 0 expression does not change, and 1 expression changes in the section of described first time slot and described second time slot.
If described frequency hopping user resources change the position in the section of described first time slot and described second time slot, then the Resource Block of getting in first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the second time slot section with respect to the place section.
Can with system can with a plurality of subcarriers be divided into 3 sections, that is, n is 3, in this case, first section of first time slot with second time slot second section is corresponding, and second section of first time slot with second time slot the 3rd section is corresponding, and the 3rd section of first time slot with second time slot first section is corresponding; Also can be that first section of first time slot with second time slot the 3rd section is corresponding, second section of first time slot with second time slot first section be corresponding, and the 3rd section of first time slot with second time slot second section is corresponding.
If the frequency hopping user resources change the position in the section of described first time slot and described second time slot, the Resource Block of getting in then described first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the described second time slot section with respect to the place section.
In addition, determine the frequency hopping pattern kind by information header, wherein, the frequency hopping pattern kind comprises two sections frequency hoppings and three sections frequency hoppings, and every kind of frequency hopping pattern all comprises the frequency hopping pattern of fixed qty and content, determines frequency hopping pattern concrete in every kind of frequency hopping pattern according to sub-district ID.
By top signaling notification target user is frequency hopping user or dispatched users.
This method has reduced the expense of ascending frequency-hopping resource representation signaling, does not need to transmit frequency-hopping mode by broadcast channel again and selects signaling, simultaneously, has also increased the flexibility of ascending frequency-hopping.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart that illustrates according to the process of the frequency-hopping resource assignment information of the signaling that is used to obtain to represent frequency-hopping resource of the present invention;
Fig. 2 is the diagrammatic sketch that LTE system uplink frame structure is shown;
Fig. 3 is the schematic diagram that a kind of resource frequency-hopping method of salary distribution under the 10MHz of the LTE system bandwidth is shown; And
Fig. 4 is the schematic diagram that the another kind of resource frequency-hopping method of salary distribution under the 10MHz of the LTE system bandwidth is shown.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart that illustrates according to the process of the frequency-hopping resource assignment information of the signaling that is used to obtain to represent frequency-hopping resource of the present invention.
With reference to Fig. 1, in the method for the invention, the signaling of representing frequency-hopping resource according to the frequency-hopping resource assignment information, wherein, obtain frequency-hopping resource assignment information: step S102 according to following steps, with system can with a plurality of subcarriers be that unit is divided into the n section according to Resource Block, and to each the section be numbered; Step S104 sets up the corresponding relation between section and the section; And step S106, obtain the frequency-hopping resource assignment information according to the condition of previous setting.
Wherein, the frequency-hopping resource assignment information is made up of information header, section indicating bit and information bit.
Information header is represented frequency-hopping mode, by the described frequency-hopping mode of binary number representation.
The section indicating bit is represented the numbering of frequency hopping user resources place section, by the numbering of binary number representation section.
Information bit is represented the position of frequency hopping user resources in institute's dispensing section, can be by the method representation information bit of tree-like node.
Can with system can with a plurality of subcarriers be divided into 2 sections, that is, n is 2, makes first section of the time slot of winning with second time slot second section corresponding, second section of first time slot with second time slot first section is corresponding; Also can be that first section of first time slot with second time slot first section is corresponding, second section of first time slot with second time slot second section be corresponding.
Whether the frequency hopping user resources change and can represent by 1 bit information head in the position in the section of first time slot and second time slot, and 0 expression does not change, and 1 expression changes.
Suppose that a section comprises M Resource Block, frequency hopping user's number of resource blocks is n, the Resource Block of being got is j for the original position with respect to this section, the Resource Block of j+n-1, if the position changes in second time slot section, then get Resource Block on second time slot for respect to being M-j-n in the short original position of the correspondence of second time slot, M-j-1, that is, the Resource Block of getting in first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the second time slot section with respect to the place section.
Can with system can with a plurality of subcarriers be divided into 3 sections, that is, n is 3, makes first section of the time slot of winning with second time slot second section corresponding, second section of first time slot with second time slot the 3rd section is corresponding, and the 3rd section of first time slot with second time slot first section is corresponding; Also can be that first section of first time slot with second time slot the 3rd section is corresponding, second section of first time slot with second time slot first section be corresponding, and the 3rd section of first time slot with second time slot second section is corresponding.
Suppose that a section comprises M Resource Block, frequency hopping user's number of resource blocks is n, the Resource Block of being got is j for the original position with respect to this section, the Resource Block of j+n-1, if the position changes in second time slot section, then get Resource Block on second time slot for being M-j-n with respect to a corresponding section original position at second time slot, M-j-1, promptly the Resource Block of getting in first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the second time slot section with respect to the place section.
In this case, frequency hopping pattern is divided into two sections frequency hoppings and three sections frequency hopping two big classes, and every class frequency hopping pattern comprises the frequency hopping pattern of fixed qty and content again.Determine that by information header the kind of frequency hopping pattern is two sections frequency hoppings, still three sections frequency hoppings are determined concrete frequency hopping pattern in every class frequency hopping pattern according to sub-district ID.
By top signaling notification target user is frequency hopping user or dispatched users.
Below, describe embodiments of the invention in detail in conjunction with Fig. 2 to Fig. 4.
Fig. 2 is the diagrammatic sketch that LTE system uplink frame structure is shown; Fig. 3 is the schematic diagram that a kind of resource frequency-hopping method of salary distribution under the 10MHz of the LTE system bandwidth is shown; And Fig. 4 is the schematic diagram that the another kind of resource frequency-hopping method of salary distribution under the 10MHz of the LTE system bandwidth is shown.
Frequency division multiplexing (Frequency DivisionDuplex is called for short position FDD) system with third generation partner program LTE is an example.As shown in Figure 2, suppose that bandwidth is 10MHz, then available number of subcarriers is 600, and a 1ms subframe contains two time slots, and each time slot contains 7 short Cyclic Prefix OFDM symbol of (circle prefix is called for short position CP).A Resource Block continues a time slot in time, occupies continuous 12 subcarriers on frequency domain.Therefore, in two time slots in a subframe 600/12=50 Resource Block arranged respectively, is numbered 0,1 respectively ..., 49.The shared resource of user is that unit carries out frequency hopping according to time slot in a subframe.
First embodiment
With reference to Fig. 3, system can with 600 subcarriers be that unit (each Resource Block contains 12 subcarriers) is divided into 2 sections according to Resource Block, every section contains 25 Resource Block.The Resource Block sequence number of first section correspondence is 0,1 ..., the Resource Block sequence number of 24, the second sections correspondences is 25,26 ..., 49; And be each segment number, 0, the second section reference numeral 1 of first section reference numeral.
Make first section and second section correspondence of second time slot of first time slot, second section and first section correspondence of second time slot of first time slot.
Suppose that the user is assigned to 3 Resource Block at first time slot on first section, the original position of its sequence number with respect to first section is 5,6 and 7, then the user also distributes 3 Resource Block on second section of second time slot, and the position of 3 Resource Block that the user distributes on second section of second time slot is 5,6 and No. 7 Resource Block with respect to second section original position, promptly, the the 30th, 31 and No. 32 Resource Block.
At this moment, the user resource allocation signaling is 000000110111, and wherein, information header information is 0, and the position of resource in section that is illustrated in targeted customer on second time slot do not change; Section indicating bit information is 0, is illustrated in the numbering of the resource place section of targeted customer on first time slot; Information bit is 0000110111, is illustrated in the position of resource in 0 numbering section of targeted customer on first time slot, that is, and and the 5th, 6 and No. 7 Resource Block.
Second embodiment
With reference to Fig. 4, system can with 600 subcarriers be that unit (each Resource Block contains 12 subcarriers) is divided into 3 sections according to Resource Block.The Resource Block sequence number of first section correspondence is 0,1 ..., the Resource Block sequence number of 17, the second sections correspondences is 18,19 ..., the Resource Block sequence number of 34, the three sections correspondences is 35,36 ..., 49; And be each segment number, 1, the three section reference numeral 3 of 0, the second section reference numeral of first section reference numeral.
Set up the corresponding relation between section and the section,, determine the frequency hopping pattern between section and the section according to sub-district ID.For example, suppose that current area ID is 1, then two sections frequency-hopping modes are: first section and second section correspondence of second time slot of first time slot, and second section and first section correspondence of second time slot of first time slot, the position does not change in the section; And three sections frequency-hopping modes are: first section of first time slot with second time slot second section is corresponding, second section of first time slot with second time slot the 3rd section is corresponding, and the 3rd section of first time slot with second time slot first section is corresponding, and a position does not change in the section.
Suppose that the user is assigned to 3 Resource Block on first section of first time slot, the original position of its sequence number with respect to first section is 5,6 and 7, if carry out frequency hopping according to three segmented modes, then the user also distributes 3 Resource Block on second section of second time slot, and the position of 3 Resource Block distributing on second section of second time slot of user is with respect to 5 of second section original position, 6 and No. 7 Resource Block, that is the 22nd, 23 and No. 24 Resource Block.
At this moment, the user resource allocation signaling is 000000100111, and wherein, information header information is 0, and the expression user carries out frequency hopping according to three sections mode; Section indicating bit information is 00, is illustrated in the numbering of the resource place section of targeted customer on first time slot; Information bit is 000100111, is illustrated in the position of resource in 0 numbering section of targeted customer on first time slot, that is, and and the 5th, 6 and No. 7 Resource Block.
By technical scheme of the present invention, reduced the expense of ascending frequency-hopping resource representation signaling, do not need to transmit frequency-hopping mode by broadcast channel again and select signaling, simultaneously, also increased the flexibility of ascending frequency-hopping.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the signaling representing method of a frequency-hopping resource is characterized in that, represents the signaling of frequency-hopping resource wherein, to obtain described frequency-hopping resource assignment information according to following steps according to the frequency-hopping resource assignment information:
Step S102, with system can with a plurality of subcarriers be that unit is divided into the n section according to Resource Block, and to each the section be numbered;
Step S104 sets up the corresponding relation between section and the section; And
Step S106 obtains described frequency-hopping resource assignment information according to the condition of previous setting.
2. method according to claim 1 is characterized in that, described frequency-hopping resource assignment information is made up of information header, section indicating bit and information bit.
3. method according to claim 2 is characterized in that described information header is represented frequency-hopping mode, by the described frequency-hopping mode of binary number representation.
4. method according to claim 2 is characterized in that, described section indicating bit represented the numbering of frequency hopping user resources place section, by the numbering of binary number representation section.
5. method according to claim 2 is characterized in that, described information bit is represented the position of frequency hopping user resources in institute's dispensing section.
6. method according to claim 5 is characterized in that, by the described information bit of the method representation of tree-like node.
7. according to each described method in the claim 1 to 6, it is characterized in that described n is 2.
8. method according to claim 7 is characterized in that, first section of first time slot with second time slot second section is corresponding, and second section of described first time slot with described second time slot first section is corresponding; Or first section of described first time slot with described second time slot first section is corresponding, and second section of described first time slot with described second time slot second section is corresponding.
9. method according to claim 7 is characterized in that, represents by described information header whether the frequency hopping user resources change the position in the section of described first time slot and described second time slot.
10. method according to claim 9, it is characterized in that, if described frequency hopping user resources change the position in the section of described first time slot and described second time slot, the Resource Block of getting in then described first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the described second time slot section with respect to the place section.
11., it is characterized in that described n is 3 according to each described method in the claim 1 to 6.
12. method according to claim 11, it is characterized in that, first section of first time slot with second time slot second section is corresponding, and second section of described first time slot with described second time slot the 3rd section is corresponding, and the 3rd section of described first time slot with described second time slot first section is corresponding; Or first section of described first time slot with described second time slot the 3rd section is corresponding, and second section of described first time slot with described second time slot first section is corresponding, and the 3rd section of described first time slot with described second time slot second section is corresponding.
13. method according to claim 11, it is characterized in that, if the frequency hopping user resources change the position in the section of described first time slot and described second time slot, the Resource Block of getting in then described first time slot takes a turn for the worse with respect to the original position of the Resource Block of getting in the original position of place section and the described second time slot section with respect to the place section.
14. method according to claim 11, it is characterized in that, determine the frequency hopping pattern kind by described information header, wherein, described frequency hopping pattern kind comprises two sections frequency hoppings and three sections frequency hoppings, and every kind of frequency hopping pattern all comprises the frequency hopping pattern of fixed qty and content, determines frequency hopping pattern concrete in every kind of frequency hopping pattern according to sub-district ID.
15., it is characterized in that, be frequency hopping user or dispatched users by top signaling notification target user according to each described method in the claim 1 to 6.
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| CN107113125A (en) * | 2014-12-22 | 2017-08-29 | 华为技术有限公司 | The transmission method and device of a kind of broadcast message |
| CN103703844B (en) * | 2011-07-22 | 2017-10-17 | 思科技术公司 | Dynamic public broadcasting scheduling parameter for covering independent unicast schedule |
| WO2019047629A1 (en) * | 2017-09-08 | 2019-03-14 | Oppo广东移动通信有限公司 | Method and apparatus for determining frequency hopping of channel, and computer storage medium |
| CN111313929A (en) * | 2017-09-08 | 2020-06-19 | Oppo广东移动通信有限公司 | Method and device for determining channel frequency hopping and computer storage medium |
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| TWI762715B (en) * | 2018-07-24 | 2022-05-01 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | A method and devices for determining channel frequency hopping |
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| JP4780298B2 (en) * | 2003-12-24 | 2011-09-28 | 日本電気株式会社 | Wireless communication system, wireless communication apparatus, and resource allocation method used therefor |
| CN100483977C (en) * | 2004-10-29 | 2009-04-29 | 清华大学 | Time-frequency matrix two-dimensional channel dynamic allocation method in multimedia information transmission |
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| CN103703844B (en) * | 2011-07-22 | 2017-10-17 | 思科技术公司 | Dynamic public broadcasting scheduling parameter for covering independent unicast schedule |
| CN107113125A (en) * | 2014-12-22 | 2017-08-29 | 华为技术有限公司 | The transmission method and device of a kind of broadcast message |
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| WO2019047629A1 (en) * | 2017-09-08 | 2019-03-14 | Oppo广东移动通信有限公司 | Method and apparatus for determining frequency hopping of channel, and computer storage medium |
| CN111313929A (en) * | 2017-09-08 | 2020-06-19 | Oppo广东移动通信有限公司 | Method and device for determining channel frequency hopping and computer storage medium |
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| US11309934B2 (en) | 2017-09-08 | 2022-04-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for determining frequency hopping of channel, and computer storage medium |
| US11962523B2 (en) | 2017-09-08 | 2024-04-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for determining frequency hopping for a channel, and computer storage medium |
| US12081259B2 (en) | 2017-09-08 | 2024-09-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for determining frequency hopping of channel, and computer storage medium |
| TWI762715B (en) * | 2018-07-24 | 2022-05-01 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | A method and devices for determining channel frequency hopping |
| CN115299004A (en) * | 2020-03-25 | 2022-11-04 | 高通股份有限公司 | Radio link monitoring across multiple frequencies in wireless communications |
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