CN107666710A - A kind of method and device of resource allocation - Google Patents

A kind of method and device of resource allocation Download PDF

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Publication number
CN107666710A
CN107666710A CN201610578551.5A CN201610578551A CN107666710A CN 107666710 A CN107666710 A CN 107666710A CN 201610578551 A CN201610578551 A CN 201610578551A CN 107666710 A CN107666710 A CN 107666710A
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index
subframe
time granularity
frequency domain
time
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贺萃
余秋星
王鹏
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BEIJING XINYOUDA VIDEO TECHNOLOGY Co Ltd
Beijing Xinwei Telecom Technology Inc
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BEIJING XINYOUDA VIDEO TECHNOLOGY Co Ltd
Beijing Xinwei Telecom Technology Inc
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Priority to CN201610578551.5A priority Critical patent/CN107666710A/en
Publication of CN107666710A publication Critical patent/CN107666710A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The invention discloses a kind of method and device of resource allocation.This method includes：Time-frequency code position according to where the subframe index, time granularity index and frequency domain index determine the physical resource of user equipment, a probability for including the various physical resource positions of UE can be found with significant increase DRX by several physical source distributings of user in a time index so as to realize；Physical resource can stagger the time domain dispensing position of different districts in time domain, avoid inter-cell interference；Physical resource distributes the intersymbol interference that can be avoided in cell on frequency domain, while reduces minizone resource collision possibility；It is suitable for different subframe types.

Description

A kind of method and device of resource allocation
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device of resource allocation.
Background technology
In Long Term Evolution (Long Term Evolution, LTE), user equipment (User Equipment, UE) is connecing During entering network, base station needs to distribute various physical resources for UE, for ensureing feedback needed for UE proper communications, measurement etc. Function.Generally, various physical resources can be all allocated according to certain methods, come reach the physical resource of cell when Respectively dimension is upper compact, uniform for frequency code, and the interference of mutually staggering of the physical source distributing between cell can be allowed to reduce as far as possible as far as possible.
Discontinuous reception (Discontinuous Reception, DRX) is divided into two kinds in LTE：One kind is Idle state DRX, it is discontinuous reception when UE is in Idle state, UE now does not have wireless heterogeneous networks (Radio Resource Control, RRC) connect with user's specific resource, it is necessary to periodically monitor PCH and broadcast channel, as Idle state DRX；Another kind is connected state DRX, when being that UE is under RRC connection status, allows UE to listen only to part-time Radio Resource, is come Reach the purpose for making UE economize on electricity.The time of UE monitoring wireless resources is referred to as DRX activated states, and the time for being not listening to Radio Resource is referred to as DRX dormant states.
At present, physical source distributing is more is allocated respectively according to the situation of respective resource, for example, dispatch request (Scheduling Request, SR) carries out SR distribution, channel quality instruction according to SR cycle and resource situation (Channel Quality Indicator, CQI) carries out CQI distribution according to CQI cycle and resource situation.Each physics Resource seldom considers co-simulation modeling.And in the case where DRX is opened, separate physical source distributing causes UE physics to provide Source relative distribution, then it is difficult to have all feedback or the amount of reporting in DRX wake-up period, and then lead to not obtain UE Real-time Feedbacks and metrical information cause UE power saving performances to decline.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device of resource allocation, it is intended to which how solution obtains in real time The problem of taking UE feedback and metrical information.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method of resource allocation, methods described include：
Obtain the sub-frame information of discontinuous reception activated state；
Generate this cell subframe index random start and time granularity index random start；
According to the sub-frame information and described cell subframe index random start generation subframe index；And according to the son Frame information and time granularity index random start generation time granularity index；
According to resource block situation and code channel multiplexed situation generation frequency domain index；
The physical resource of user equipment is determined according to the subframe index, time granularity index and frequency domain index The time-frequency code position at place.
Preferably, the sub-frame information for obtaining discontinuous reception activated state, including：
The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents son respectively Frame [u0,u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value is according to time granularity and subframe type and subframe Proportioning determines；Floor (x) is a downward bracket function.
It is preferably, described that subframe index is generated according to the sub-frame information and described cell subframe index random start, Including：
It is suitable according to the subframe index of the sub-frame information and described cell subframe index random start generation dispatch request Sequence s1, the subframe index order s2 of channel quality instruction and Sounding Reference Signal subframe index order s3；
Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y-1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is a MOD function.
Preferably, it is described according to the sub-frame information and time granularity index random start generation time granularity rope Draw, including：
Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
Length m1=floor is indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests (p1/x), time granularity index length m2=floor (p2/x), the time grain of Sounding Reference Signal of channel quality instruction Degree index length m3=floor (p3/x)；
According to m1, m2, m3 and Z2 generate dispatch request time granularity index for t1=mod ([0,1 ..., m1-1]+z2, M1), the time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of channel quality instruction and channel detection are with reference to letter Number time granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
Wherein, z2 is that time granularity indexes random start.
Preferably, it is described according to resource block situation and code channel multiplexed situation generation frequency domain index, including：
According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
Preferably, it is described to determine that user sets according to the subframe index, time granularity index and frequency domain index Time-frequency code position where standby physical resource, including：
When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, Finally circulate the mode of frequency domain index.
Preferably, it is described first to circulate subframe index, recycle time granularity index, the mode that frequency domain indexes finally is circulated, Including：
For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, go back It is t_idx*x+u (s_idx) subframe that original physical resource, which corresponds to start time, and finds frequency domain resource block corresponding to the f_idx With code domain position；
Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
Second aspect, a kind of device of resource allocation, described device include：
Acquisition module, for obtaining the sub-frame information of discontinuous reception activated state；
First generation module, for generating this cell subframe index random start and time granularity index random start；
Second generation module, for according to the sub-frame information and described cell subframe index random start generation subframe Index；And according to the sub-frame information and time granularity index random start generation time granularity index；
3rd generation module, for according to resource block situation and code channel multiplexed situation generation frequency domain index；
Determining module, for determining user according to the subframe index, time granularity index and frequency domain index Time-frequency code position where the physical resource of equipment.
Preferably, the acquisition module, is used for：
The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents son respectively Frame [u0,u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value is according to time granularity and subframe type and subframe Proportioning determines；Floor (x) is a downward bracket function.
Preferably, second generation module, is used for：
It is suitable according to the subframe index of the sub-frame information and described cell subframe index random start generation dispatch request Sequence s1, the subframe index order s2 of channel quality instruction and Sounding Reference Signal subframe index order s3；
Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y-1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is a MOD function.
Preferably, second generation module, is used for：
Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
Length m1=floor is indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests (p1/x), time granularity index length m2=floor (p2/x), the time grain of Sounding Reference Signal of channel quality instruction Degree index length m3=floor (p3/x)；
According to m1, m2, m3 and Z2 generate dispatch request time granularity index for t1=mod ([0,1 ..., m1-1]+z2, M1), the time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of channel quality instruction and channel detection are with reference to letter Number time granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
Wherein, z2 is that time granularity indexes random start.
Preferably, the 3rd generation module, is used for：
According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
Preferably, the determining module, is used for：
When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, Finally circulate the mode of frequency domain index.
Preferably, the determining module, is used for：
For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, go back It is t_idx*x+u (s_idx) subframe that original physical resource, which corresponds to start time, and finds frequency domain resource block corresponding to the f_idx With code domain position；
Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
The embodiment of the present invention provides a kind of method and device of resource allocation, obtains the subframe letter of discontinuous reception activated state Breath；Generate this cell subframe index random start and time granularity index random start；According to the sub-frame information and described Cell subframe index random start generates subframe index；And random start is indexed according to the sub-frame information and the time granularity Generate time granularity index；According to resource block situation and code channel multiplexed situation generation frequency domain index；According to the subframe index, institute The time-frequency code position where the physical resource of time granularity index and frequency domain index determination user equipment is stated, can so as to realize By several physical source distributings of user in a time index, one can be found with significant increase DRX and includes the various things of UE Manage the probability of resource location；Physical resource can stagger the time domain dispensing position of different districts in time domain, avoid minizone from doing Disturb；Physical resource distributes the intersymbol interference that can be avoided in cell on frequency domain, while reduces minizone resource collision possibility；Can Adapt to different subframe types.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the method for resource allocation provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the method for resource allocation provided in an embodiment of the present invention；
Fig. 3 is a kind of high-level schematic functional block diagram of the device of resource allocation provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of the method for resource allocation provided in an embodiment of the present invention.
As shown in figure 1, the method for the resource allocation includes：
Step 101, the sub-frame information of discontinuous reception activated state is obtained；
Preferably, the sub-frame information for obtaining discontinuous reception activated state, including：
The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents son respectively Frame [u0,u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value is according to time granularity and subframe type and subframe Proportioning determines；Floor (x) is a downward bracket function.
Step 102, this cell subframe index random start and time granularity index random start are generated；
Step 103, according to the sub-frame information and described cell subframe index random start generation subframe index；And root According to the sub-frame information and time granularity index random start generation time granularity index；
It is preferably, described that subframe index is generated according to the sub-frame information and described cell subframe index random start, Including：
It is suitable according to the subframe index of the sub-frame information and described cell subframe index random start generation dispatch request Sequence s1, the subframe index order s2 of channel quality instruction and Sounding Reference Signal subframe index order s3；
Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y-1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is a MOD function.
Preferably, it is described according to the sub-frame information and time granularity index random start generation time granularity rope Draw, including：
Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
Length m1=floor is indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests (p1/x), time granularity index length m2=floor (p2/x), the time grain of Sounding Reference Signal of channel quality instruction Degree index length m3=floor (p3/x)；
According to m1, m2, m3 and Z2 generate dispatch request time granularity index for t1=mod ([0,1 ..., m1-1]+z2, M1), the time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of channel quality instruction and channel detection are with reference to letter Number time granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
Wherein, z2 is that time granularity indexes random start.
Step 104, according to resource block situation and code channel multiplexed situation generation frequency domain index；
Preferably, it is described according to resource block situation and code channel multiplexed situation generation frequency domain index, including：
According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
Step 105, user equipment is determined according to the subframe index, time granularity index and frequency domain index Time-frequency code position where physical resource.
Preferably, it is described to determine that user sets according to the subframe index, time granularity index and frequency domain index Time-frequency code position where standby physical resource, including：
When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, Finally circulate the mode of frequency domain index.
Preferably, it is described first to circulate subframe index, recycle time granularity index, the mode that frequency domain indexes finally is circulated, Including：
For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, go back It is t_idx*x+u (s_idx) subframe that original physical resource, which corresponds to start time, and finds frequency domain resource block corresponding to the f_idx With code domain position；
Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
The embodiment of the present invention provides a kind of method of resource allocation, obtains the sub-frame information of discontinuous reception activated state；It is raw Cost cell subframe index random start and time granularity index random start；According to the sub-frame information and described cell Frame index random start generates subframe index；And during according to the sub-frame information and time granularity index random start generation Between granularity index；According to resource block situation and code channel multiplexed situation generation frequency domain index；According to the subframe index, the time Granularity indexes the time-frequency code position determined with frequency domain index where the physical resource of user equipment, can be by user so as to realize Several physical source distributings in a time index, one can be found with significant increase DRX and includes the various physical resources of UE The probability of position；Physical resource can stagger the time domain dispensing position of different districts in time domain, avoid inter-cell interference；Physics Resource distributes the intersymbol interference that can be avoided in cell on frequency domain, while reduces minizone resource collision possibility；It is suitable for not Same subframe type.
With reference to figure 2, Fig. 2 is a kind of schematic flow sheet of the method for resource allocation provided in an embodiment of the present invention.
As shown in Fig. 2 the method for the resource allocation includes：
Step 201, the activated state time span for taking DRX is x1ms, determines basic time granularity the x ms, x of this sub-distribution =floor (x1/5) * 5；Up-link (Uplink, UL) subframe of [0,1 .., y-1] numbering is shared in basic time granularity x, Subframe [u is represented respectively0,u1,…,uy-1], that is, keep mapping relations u (m=um, y numerical value is according to time granularity and subframe type It is the UL subframe number in time granularity and subframe proportioning determines；
Specifically, current LTE system is time division duplex (Time Division Duplex, TDD), 1, SR of subframe proportioning, CQI, SRS period profile are 20ms, 40ms, 10ms, and DRX recovery time is 6ms, SR CQI SRS frequency domain resources share 1 11 part, consider code division with comb point, then extent for multiplexing be respectively 12 64.So have according to this programme：It is basic time to take 5ms Granularity, [01] two UL subframe is shared in time granularity, represents subframe numbers [2 3] respectively.
Step 202, this cell subframe index random start z1, and time granularity index starting point random start are generated at random z2；
Specifically, this cell subframe index random start 0 is generated at random, and time granularity index starting point random start 1.
Step 203, determine SR CQI SRS (Sounding Reference Symbols, Sounding Reference Signal) it is each From subframe index order, respectively s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, Y), s3=mod ([y-1 ..., 1,0]+z1, y)；
Specifically, determine SR CQI SRS respective subframe index order, respectively [0 1], [1 0], [1 0].
Step 204, SR, CQI, SRS respective cycle are taken, is designated as p1, p2, p3 respectively；Using p1, p2, p3 respectively and when Between granularity x generation SR, CQI, SRS respective time granularity index length, be designated as m1=floor (p1/x), m2=floor respectively (p2/x), m3=floor (p3/x)；
Specifically, generate respective time granularity, for SR CQI SRS, index number respectively is m1=4, m2=8, M3=2.
Step 205, it is respectively t1=mod ([0,1 ..., m1-1]+z2, m1), t2=mod to generate time granularity index ([0,1 ..., m2-1]+z2, m2), t3=mod ([0,1 ..., m3-1]+z2, m3)；
Step 206, according to RB situations and code channel multiplexed situation generation frequency domain index, arranged by frequency domain code domain order, point F01, f02, f03 are not designated as；To f01, each internal index value is randomized respectively by f02, f03, generates real frequency domain Index, is designated as f1, f2, f3；
Step 207, physical source distributing is carried out to new access UE, using first circulating subframe index, recycle time granularity Index, the mode for finally circulating frequency domain index are carried out；Subframe index s_idx, time granularity have been obtained for certain physical resource T_idx is indexed, frequency domain indexes f_idx UE, and it is t_idx*x+u (s_idx) subframe to reduce the physical resource and correspond to start time, And frequency domain RB corresponding to f_idx and code domain position are found, it is derived from time-frequency code position where the UE physical resource.
Specifically, for SR, the index of basic time granularity is t1=[1,2,3,0]；For CQI, the rope of basic granularity It is cited as t2=[1,2,3,4,5,6,7,0]；For SRS, the index of basic granularity is t3=[1,0]；
Obtain SR CQI index after the frequency domain random disorders of SRS respectively, f1=[6,3,11,7,8,5,1,2,4,9,10, 12], f2=[4,5,2,3,6,1], f3=[4,3,1,2]；
The index value that first UE is obtained is respectively：SR subframe index 0, SR time granularities index 1, SR frequency domains index 6； CQI subframe index 1, CQI time granularities index 1, SR frequency domains index 4；SRS indexes 1, SRS time granularities and indexes 1, SRS frequencies Domain Index 4；The SR subframes position that then UE is obtained is that 1*5+u (0)=7, SR frequency domains code channel number is 6, CQI subframes position It is that 4, SRS subframes position is that 1*5+u (1)=8, SRS frequency domains code combs shunting number for 1*5+u (1)=8, CQI frequency domains code channel number For 4.
The index value that second UE is obtained is respectively：SR subframe index 1, SR time granularities index 1, SR frequency domains index 6； CQI subframe index 0, CQI time granularities index 1, SR frequency domains index 4；SRS indexes 0, SRS time granularities and indexes 1, SRS frequencies Domain Index 4；The SR subframes position that then UE is obtained is that 1*5+u (1)=8, SR frequency domains code channel number is 6, CQI subframes position It is that 4, SRS subframes position is that 1*5+u (0)=7, SRS frequency domains code combs shunting number for 1*5+u (0)=7, CQI frequency domains code channel number For 4.
With reference to figure 3, Fig. 3 is a kind of high-level schematic functional block diagram of the device of resource allocation provided in an embodiment of the present invention.
As shown in figure 3, described device includes：
Acquisition module 301, for obtaining the sub-frame information of discontinuous reception activated state；
Preferably, the acquisition module 301, is used for：
The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents son respectively Frame [u0,u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value is according to time granularity and subframe type and subframe Proportioning determines；Floor (x) is a downward bracket function.
First generation module 302, for generating this cell subframe index random start and time granularity index random start；
Second generation module 303, for according to the sub-frame information and described cell subframe index random start generation Subframe index；And according to the sub-frame information and time granularity index random start generation time granularity index；
Preferably, second generation module 303, is used for：
It is suitable according to the subframe index of the sub-frame information and described cell subframe index random start generation dispatch request Sequence s1, the subframe index order s2 of channel quality instruction and Sounding Reference Signal subframe index order s3；
Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y-1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is a MOD function.
Preferably, second generation module 303, is used for：
Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
Length m1=floor is indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests (p1/x), time granularity index length m2=floor (p2/x), the time grain of Sounding Reference Signal of channel quality instruction Degree index length m3=floor (p3/x)；
According to m1, m2, m3 and Z2 generate dispatch request time granularity index for t1=mod ([0,1 ..., m1-1]+z2, M1), the time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of channel quality instruction and channel detection are with reference to letter Number time granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
Wherein, z2 is that time granularity indexes random start.
3rd generation module 304, for according to resource block situation and code channel multiplexed situation generation frequency domain index；
Preferably, the 3rd generation module 304, is used for：
According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
Determining module 305, for determining to use according to the subframe index, time granularity index and frequency domain index Time-frequency code position where the physical resource of family equipment.
Preferably, the determining module 305, is used for：
When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, Finally circulate the mode of frequency domain index.
Preferably, the determining module 305, is used for：
For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, go back It is t_idx*x+u (s_idx) subframe that original physical resource, which corresponds to start time, and finds frequency domain resource block corresponding to the f_idx With code domain position；
Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
The embodiment of the present invention provides a kind of device of resource allocation, obtains the sub-frame information of discontinuous reception activated state；It is raw Cost cell subframe index random start and time granularity index random start；According to the sub-frame information and described cell Frame index random start generates subframe index；And during according to the sub-frame information and time granularity index random start generation Between granularity index；According to resource block situation and code channel multiplexed situation generation frequency domain index；According to the subframe index, the time Granularity indexes the time-frequency code position determined with frequency domain index where the physical resource of user equipment, can be by user so as to realize Several physical source distributings in a time index, one can be found with significant increase DRX and includes the various physical resources of UE The probability of position；Physical resource can stagger the time domain dispensing position of different districts in time domain, avoid inter-cell interference；Physics Resource distributes the intersymbol interference that can be avoided in cell on frequency domain, while reduces minizone resource collision possibility；It is suitable for not Same subframe type.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.

Claims (14)

  1. A kind of 1. method of resource allocation, it is characterised in that methods described includes：
    Obtain the sub-frame information of discontinuous reception activated state；
    Generate this cell subframe index random start and time granularity index random start；
    According to the sub-frame information and described cell subframe index random start generation subframe index；And believed according to the subframe Breath and time granularity index random start generation time granularity index；
    According to resource block situation and code channel multiplexed situation generation frequency domain index；
    According to where the subframe index, time granularity index and frequency domain index determine the physical resource of user equipment Time-frequency code position.
  2. 2. according to the method for claim 1, it is characterised in that the sub-frame information for obtaining discontinuous reception activated state, Including：
    The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
    Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents subframe [u respectively0, u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value matches according to time granularity and subframe type and subframe Determine；Floor (x) is a downward bracket function.
  3. 3. according to the method for claim 2, it is characterised in that described according to the sub-frame information and described cell subframe Random start generation subframe index is indexed, including：
    According to the sub-frame information and the subframe index order s1 of described cell subframe index random start generation dispatch request, The subframe index order s2 of the channel quality instruction and subframe index order s3 of Sounding Reference Signal；
    Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y- 1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is MOD function.
  4. 4. according to the method for claim 2, it is characterised in that described according to the sub-frame information and the time granularity rope Draw random start generation time granularity index, including：
    Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
    Length m1=floor (p1/ are indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests X), time granularity index length m2=floor (p2/x), the time granularity rope of Sounding Reference Signal of channel quality instruction Draw length m3=floor (p3/x)；
    Dispatch request time granularity index is generated according to m1, m2, m3 and Z2 to be t1=mod ([0,1 ..., m1-1]+z2, m1), believe The time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of road quality instruction and Sounding Reference Signal when Between granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
    Wherein, z2 is that time granularity indexes random start.
  5. 5. according to the method for claim 1, it is characterised in that described to be generated according to resource block situation and code channel multiplexed situation Frequency domain indexes, including：
    According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
    To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
  6. 6. according to the method for claim 1, it is characterised in that described according to the subframe index, the time granularity rope Draw the time-frequency code position where the physical resource that determination user equipment is indexed with the frequency domain, including：
    When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, finally Circulate the mode of frequency domain index.
  7. 7. according to the method for claim 6, it is characterised in that described first to circulate subframe index, recycle time granularity rope Draw, finally circulate the mode of frequency domain index, including：
    For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, reduzate It is t_idx*x+u (s_idx) subframe that reason resource, which corresponds to start time, and finds frequency domain resource block and code corresponding to the f_idx Domain position；
    Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
  8. 8. a kind of device of resource allocation, it is characterised in that described device includes：
    Acquisition module, for obtaining the sub-frame information of discontinuous reception activated state；
    First generation module, for generating this cell subframe index random start and time granularity index random start；
    Second generation module, for according to the sub-frame information and described cell subframe index random start generation subframe rope Draw；And according to the sub-frame information and time granularity index random start generation time granularity index；
    3rd generation module, for according to resource block situation and code channel multiplexed situation generation frequency domain index；
    Determining module, for determining user equipment according to the subframe index, time granularity index and frequency domain index Physical resource where time-frequency code position.
  9. 9. device according to claim 8, it is characterised in that the acquisition module, be used for：
    The time span for obtaining discontinuous reception activated state is x1, determines the basic time granularity x of this sub-distribution；
    Wherein, x=floor (x1/5) * 5, x includes the uplink sub-frames of [0,1 ..., y-1] numbering, represents subframe [u respectively0, u1,…,uy-1], y is the UL subframe number in time granularity, and y numerical value matches according to time granularity and subframe type and subframe Determine；Floor (x) is a downward bracket function.
  10. 10. device according to claim 9, it is characterised in that second generation module, be used for：
    According to the sub-frame information and the subframe index order s1 of described cell subframe index random start generation dispatch request, The subframe index order s2 of the channel quality instruction and subframe index order s3 of Sounding Reference Signal；
    Wherein, s1=mod ([0,1 ..., y-1]+z1, y), s2=mod ([1,2 ..., y-1,0]+z1, y), s3=mod ([y- 1 ..., 1,0]+z1, y)；Z1 is this cell subframe index random start；Mod (x) is a MOD function.
  11. 11. device according to claim 9, it is characterised in that second generation module, be used for：
    Obtain period p 1, period p 2, the period p of Sounding Reference Signal 3 of channel quality instruction of dispatch request；
    Length m1=floor (p1/ are indexed according to the time granularity of p1, p2 and p3 respectively with time granularity x generation dispatch requests X), time granularity index length m2=floor (p2/x), the time granularity rope of Sounding Reference Signal of channel quality instruction Draw length m3=floor (p3/x)；
    Dispatch request time granularity index is generated according to m1, m2, m3 and Z2 to be t1=mod ([0,1 ..., m1-1]+z2, m1), believe The time granularity index t2=mod ([0,1 ..., m2-1]+z2, m2) of road quality instruction and Sounding Reference Signal when Between granularity index t3=mod ([0,1 ..., m3-1]+z2, m3)；
    Wherein, z2 is that time granularity indexes random start.
  12. 12. device according to claim 8, it is characterised in that the 3rd generation module, be used for：
    According to resource block situation and code channel multiplexed situation generation frequency domain index f01, f02 and f03；
    To f01, the index value inside f02, f03 is randomized respectively, generation frequency domain index f1, f2 and f3.
  13. 13. device according to claim 8, it is characterised in that the determining module, be used for：
    When carrying out physical source distributing to new access user equipment, subframe index is first circulated, recycle time granularity indexes, finally Circulate the mode of frequency domain index.
  14. 14. device according to claim 13, it is characterised in that the determining module, be used for：
    For physical resource subframe index s_idx, the time granularity index t_idx and frequency domain index f_idx obtained, reduzate It is t_idx*x+u (s_idx) subframe that reason resource, which corresponds to start time, and finds frequency domain resource block and code corresponding to the f_idx Domain position；
    Wherein, x is the basic time granularity of this sub-distribution, and u (x) is the mapping function that subframe index x corresponds to subframe x.
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