CN105790917B - A kind of multi-user's up-link access method based on resource pattern - Google Patents
A kind of multi-user's up-link access method based on resource pattern Download PDFInfo
- Publication number
- CN105790917B CN105790917B CN201610237270.3A CN201610237270A CN105790917B CN 105790917 B CN105790917 B CN 105790917B CN 201610237270 A CN201610237270 A CN 201610237270A CN 105790917 B CN105790917 B CN 105790917B
- Authority
- CN
- China
- Prior art keywords
- resource
- user
- resource pattern
- vector
- access
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Abstract
The invention discloses a kind of multi-user's up-link access methods based on resource pattern, comprising steps of carrying out quadrature divide to the bandwidth resources of uplink multi-address access channel, the molecular resource block of resource grains is obtained, and the B resource blocks are combined, obtains basic scheduling unit；The basic scheduling unit is divided into N number of resource vector；To each resource vector, K resource pattern composition resource pattern group is selected；Each user of multi-upstream access selects one of them from the resource pattern group, and according to selected resource pattern group, sends data using corresponding resource pattern and preset coded modulation scheme on each resource vector.The present invention has the advantage that the defects of access of conventional orthogonal multiple access can be overcome to be unable to fully using the diversity gain of channel width resource, multi-user's capacity gain and multi-user diversity gain, while the defect that traditional non-orthogonal multiple access technology combined decoding complexity can be overcome high.
Description
Technical field
The present invention relates to the uplink multiple access technology fields of digital information transmission, in particular to a kind of to be based on resource pattern
Multi-user's up-link access method.
Background technique
In typical wireless digital communication system, base station receiving end needs to be led to multiple uplink users in coverage area
Letter needs to solve the transmission problem of large-scale consumer under uplink multi-address access channel.
Orthogonal multiple access technique is widely used in traditional multi-user transmission scheme under uplink multi-address channel, typical orthogonal
Multiple access technique includes: that time division multiple acess accesses (Time Division Multiple Access, TDMA), frequency division multiple access connects
Enter (Frequency Division Multiple Access, FDMA) and orthogonal frequency-time multiple access (Orthogonal
Frequency Division Multiple Access, OFDMA) etc..Substantially, orthogonal multiple access access is in discrete base band etc.
Imitate the method that the symbol level of channel model carries out quadrature divide to physical layer channel bandwidth resources.By taking TDMA as an example, TDMA is
Each user distributes a period of time resource (i.e. the corresponding sign resources of one section of transmission time), is used for transmission the letter of the uplink user
Number.Orthogonal multiple access technique is realized simple, flexibly, but multi-user transmission up to speed when using orthogonal multiple access technique
Rate domain is limited, and capacity domain upper bound gap of the upper bound apart from uplink multi-address access channel is larger, i.e. multi-user association achievable rate
Lose it is larger, cannot excavate multi-user's non-orthogonal multiple access capacity gain and diversity gain.On the other hand, it is moved with forth generation
For orthogonal frequency-time multiple access technology in dynamic communication system, when usually will be continuous when dividing channel width resource
Domain, frequency domain resource are divided as resource block.Available channel band cannot be sufficiently excavated using this channel resource division methods
The diversity gain of wide resource causes the packet loss and outage probability of user in multiple access to be obviously improved.
In order to maximize the transmission rate of system, network information opinion is it can be proved that be based on supercomposed coding (Superposition
Coding, SC) non-orthogonal multiple access technology be optimal.In order to realize optimal transmission performance, receiving end is generallyd use
A kind of demodulating and decoding mode of supercomposed coding, serial interference elimination (Successive Interference Cancellation,
SIC) technology.SIC needs demodulating and decoding to go out the signal of some user, could demodulating and decoding go out the signal of second user, according to
This analogizes.SIC makes terminal algorithm realization, pilot design, channel estimation and system call complexity anxious with number of users increase
Play rises；Decoding delay and error propagation will cause using SIC simultaneously.
The supercomposed coding (Superposition Coding, SC) for comprehensively considering all users, when accessing user's number very
When more, the effect of SC performance boost is gradually become smaller, but SC decoding complex degree but rises rapidly.It decodes simultaneously
(Simultaneous Decoding, SD), also known as joint decoding (Joint Decoding, JD) are that another solution of SC is reconciled
Code mode, also may be implemented optimal transmission performance.Compared to serial interference elimination (Successive Interference
Cancellation, SIC) technology, while decoding does not need the information for successively solving each user, but use combined decoding
Mode generally goes through iteration, can demodulate the information of all users simultaneously.So SD technology there is no SIC decoding delay and
The shortcomings that error propagation, but when superposition number of users is larger, the implementation complexity of SD is very high.To which tradition is based on optimal superposition
The non-orthogonal multiple access technology of coding is difficult to the uplink multi-address of large-scale consumer high load rate due to complexity
Access scene.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem.
For this purpose, an object of the present invention is to provide a kind of multi-user's up-link access methods based on resource pattern.
To achieve the goals above, embodiment of the invention discloses a kind of multi-user's multi-upstream access based on resource pattern
Method, comprising the following steps: S1: quadrature divide is carried out to the bandwidth resources of uplink multi-address access channel, obtains resource grains subgroup
At resource block, and B resource blocks are combined, obtain basic scheduling unit；The basic scheduling unit is drawn
It is divided into N number of resource vector, is denoted as V1, V2..., VN, wherein the resource particle number in each resource vector is respectively S1,
S2..., SN；S2: to each resource vector Vi, select K resource pattern composition resource pattern group Pi,1,Pi,2,...,Pi,K, wherein
Resource pattern Pi,jBe set 1,2 ..., SiSubset, wherein i ∈ [1, N], j ∈ [1, K], Pi,jThe number of middle element is
Li,j；And S3: each user of multi-upstream access selects one of them from the resource pattern group, and according to selected resource map
Sample group sends data using corresponding resource pattern and preset coded modulation scheme on each resource vector.
Multi-user's up-link access method according to an embodiment of the present invention based on resource pattern, can overcome conventional orthogonal more
Location access is unable to fully lack using diversity gain, multi-user's capacity gain and multi-user diversity gain of channel width resource etc.
It falls into, while the defect that traditional non-orthogonal multiple access technology combined decoding complexity can be overcome high.
In addition, multi-user's up-link access method according to the above embodiment of the present invention based on resource pattern, can also have
There is following additional technical characteristic:
Further, in step sl, when dividing resource vector, each resource vector is provided as similar in fade condition
Source particle composition.
Further, it is determined that the resource map of the selection of user described in the number K and step S3 of resource pattern described in step S2
The process of sample group is set with M accessing user, S2a: will be described in step S2 the following steps are included: for scheduling access scene
The number K of resource pattern is set as number of users M；S3a: each user is correspondingly from preferred resource pattern group described in step S2
One resource pattern group of middle selection；For random access scene, it is set with M accessing user, S2b: will be provided described in step S2
The number K of source pattern is set as K'；S3b: each user randomly chooses a money from preferred resource pattern group described in step S2
Source pattern group.
Further, the user of multi-upstream access described in step S3 uses corresponding resource pattern on each resource vector
Send the process of data the following steps are included: S31 with preset coded modulation scheme: the user of the multi-upstream access is according to default
Coded modulation scheme to information bit to be transmitted carry out channel coding obtain coded-bit；S32: the use of the multi-upstream access
Family carries out Bit Interleave according to pre-arranged code modulating mode to the coded-bit and obtains interleaving bits；And S33: the uplink
The interleaving bits according to the preset coded modulation scheme and selected resource pattern group, are sequentially mapped to by the user of access
Resource vector V1, V2..., VNOn.
Further, step S33 further comprises: S331: the user of the multi-upstream access is by corresponding interleaving bits root
L is mapped as according to the preset coded modulation schemei,jA symbol；And S332: the user of the multi-upstream access is by Li,jA symbol
Number, according to resource pattern Pi,j, successively it is loaded into resource vector ViOn.
Further, resource particle similar in the fade condition is that adjacent time, adjacent sub-carrier or related coefficient are high
The resource particle entrained by the adjacent antenna of preset value.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of multi-user's up-link access method based on resource pattern of one embodiment of the invention；
Fig. 2 is the schematic diagram that symbol load is carried out based on resource pattern of one embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to following description and drawings, it will be clear that these and other aspects of the embodiment of the present invention.In these descriptions
In attached drawing, some particular implementations in the embodiment of the present invention are specifically disclosed, to indicate to implement implementation of the invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, of the invention
Embodiment includes all changes, modification and the equivalent fallen within the scope of the spirit and intension of attached claims.
Multi-user's up-link access method according to an embodiment of the present invention based on resource pattern is described below in conjunction with attached drawing.
Referring to FIG. 1, a kind of multi-user's up-link access method based on resource pattern, comprising the following steps:
S1: carrying out quadrature divide to the bandwidth resources of uplink multi-address access channel, obtain the molecular resource block of resource grains,
And combine the B resource blocks, obtain basic scheduling unit.Basic scheduling unit is divided into N number of resource vector,
It is denoted as V1, V2..., VN, wherein the resource particle number in each resource vector is respectively S1, S2..., SN, i.e. resource
Vector ViThe number of middle resource particle is Si, i ∈ [1, N].
In one embodiment of the invention, in step sl, when dividing resource vector, each resource vector is by declining
Fall the composition of resource particle similar in condition.
In one embodiment of the invention, resource particle similar in fade condition be adjacent time, adjacent sub-carrier or
Related coefficient is higher than resource particle entrained by the adjacent antenna of preset value.
S2: to each resource vector Vi, select K resource pattern composition resource pattern group Pi,1,Pi,2,...,Pi,K, wherein
Resource pattern Pi,jBe set 1,2 ..., SiSubset, i ∈ [1, N], j ∈ [1, K], Pi,jThe number of middle element is Li,j.From
And obtain the preferred resource pattern group P of K group1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=
(P1,K,P2,K,...,PN,K)。
In one embodiment of the invention, it determines and is used described in the number K and step S3 of resource pattern described in step S2
Family selection resource pattern group process the following steps are included:
Scene is accessed for scheduling, is set with M accessing user,
S2a: the number K of resource pattern described in step S2 is set as number of users M；
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
For random access scene, it is set with M accessing user,
S2b: being set as K' for the number K of resource pattern described in step S2, and wherein K' can be equal to M, can also be not equal to
M；
S3b: each user randomly chooses a resource pattern group from preferred resource pattern group described in step S2.
S3: each user of multi-upstream access selects one of them from the resource pattern group, and according to selected resource map
Sample group sends data using corresponding resource pattern and preset coded modulation scheme on each resource vector, wherein this is pre-
If coded modulation scheme include channel coding, Bit Interleave, constellation mapping etc..
In one embodiment of the invention, the user of multi-upstream access described in step S3 uses on each resource vector
Corresponding resource pattern and preset coded modulation scheme send the process of data the following steps are included:
S31: the user of multi-upstream access carries out channel volume to information bit to be transmitted according to preset coded modulation scheme
Code obtains coded-bit；
S32: the user of multi-upstream access carries out Bit Interleave according to pre-arranged code modulating mode to the coded-bit and obtains
Interleaving bits；And
S33: the user of multi-upstream access is by the interleaving bits according to preset coded modulation scheme and selected resource pattern
Group is sequentially mapped to resource vector V1, V2..., VNOn.
In one embodiment of the invention, step S33 is further included steps of
S331: corresponding interleaving bits are mapped as L according to preset coded modulation scheme by useri,jA symbol.
S332: user is by Li,jA symbol, according to resource pattern Pi,j, successively it is loaded into resource vector ViOn.That is, successively selecting
V=1,2 is taken ..., SiIf v belongs to Pi,j, then in ViV-th of resource particle on carry out symbol load.
To make it is further understood that the present invention, will be described in detail by following example.
Embodiment one
The present embodiment combination design parameter illustrates that a kind of scheduling accesses and determines resource pattern described in step S2 under scene
The process of the selection resource pattern of user described in number K and step S3.Assuming that channel resource is divided into N=after step S1
8 resource vectors, the number of resource particle is 6 in each resource vector, i.e. S1=S2=...=S8=6.
Situation 1: assuming that there is the multi-upstream access user of 2 data to be transmitted.At this point, determining of resource pattern in step S2
Number K and step S3 described in user selection resource pattern group process the following steps are included:
S2a: the number K of resource pattern described in step S2 is set as number of users 2.Then step S2 is adjusted accordingly are as follows: right
Each resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,
2,...,SiSubset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.It is preferably provided to obtain K group
Source pattern group P1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K)。
For the present embodiment, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P2,2,...,P8,2).Wherein Pi,j=1,2,3,4,5,
6 }, 1≤i≤8,1≤j≤2.
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
Situation 2: assuming that there is the user of 3 data to be transmitted.At this point, determine the number K of resource pattern described in step S2,
And user described in step S3 selection resource pattern group process the following steps are included:
S2a: the number K of resource pattern described in step S2 is set as number of users 3.Then step S2 is adjusted accordingly are as follows: right
Each resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,
2,...,SiSubset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.It is preferably provided to obtain K group
Source pattern group P1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K)。
For the present embodiment, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P22,...,P8,2), P3=(P1,3,P2,3,...,P8,3)。
Wherein, Pi,1={ 1,2,3,4 }, 1≤i≤8；Pi,2={ 1,2,5,6 }, 1≤i≤8；Pi,3={ 3,4,5,6 }, 1≤i <
=8.
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
Situation 3: assuming that there is the user of 4 data to be transmitted.At this point, determine the number K of resource pattern described in step S2,
And user described in step S3 selection resource pattern group process the following steps are included:
S2a: the number K of resource pattern described in step S2 is set as number of users 3.Then step S2 is adjusted accordingly are as follows: right
Each resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,
2,...,SiSubset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.It is preferably provided to obtain K group
Source pattern group P1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K)。
For the present embodiment, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P2,2,...,P8,2) ..., P4=(P1,4,P2,4,...,
P8,4).Wherein, Pi,1={ 1,2,3 }, 1≤i≤8；Pi,2={ Isosorbide-5-Nitrae, 5 }, 1≤i≤8；Pi,3={ 2,4,6 }, 1≤i≤
8；Pi,4={ 3,5,6 }, 1≤i≤8.
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
Situation 4: assuming that there is the user of 6 data to be transmitted.At this point, determine the number K of resource pattern described in step S2,
And user described in step S3 selection resource pattern group process the following steps are included:
S2a: the number K of resource pattern described in step S2 is set as number of users 3.Then step S2 is adjusted accordingly are as follows: every
A resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,2 ...,
SiSubset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.To obtain the preferred resource pattern of K group
Group P1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K).For this
Embodiment, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P2,2,...,P8,2) ..., P6=(P1,6,P2,6,...,P8,6)。
Wherein, Pi,1={ 1,2 }, 1≤i≤8；Pi,2={ 2,3 }, 1≤i≤8；Pi,3={ 3,4 }, 1≤i≤8；Pi,4=4,
5 }, 1≤i≤8；Pi,5={ 5,6 }, 1≤i≤8；Pi,6={ 6,1 }, 1≤i≤8.
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
Embodiment two
The present embodiment combination design parameter illustrates a kind of number of resource pattern described in step S2 under random access scene
The process of the resource pattern group of the selection of user described in K and step S3.Assuming that channel resource is divided into N=after step S1
8 resource vectors, the number of resource particle is 6 in each resource vector, i.e. S1=S2=...=S8=6.
Situation 1: assuming that there is the user of 10 data to be transmitted.At this point, determining the number of resource pattern described in step S2
User described in K and step S3 selection resource pattern group process the following steps are included:
S2b: the number K of resource pattern described in step S2 is set as 2.Then step S2 is adjusted accordingly are as follows: to each money
Source vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jIt is set { 1,2 ..., Si }
Subset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.To obtain the preferred resource pattern group P of K group1=
(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K).For this implementation
Example, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P2,2,...,P8,2).Wherein, Pi,j={ 1,2,3,4,5,6 }, 1≤i <
=8,1≤j≤2.
S3b: each user randomly chooses a resource pattern group from preferred resource pattern group described in step S2.
Situation 2: assuming that there is the user of 15 data to be transmitted.At this point, determining the number of resource pattern described in step S2
User described in K and step S3 selection resource pattern group process the following steps are included:
S2b: the number K of resource pattern described in step S2 is set as 3.Then step S2 is adjusted accordingly are as follows: to each money
Source vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,2 ..., Si?
Subset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.To obtain the preferred resource pattern group P of K group1=
(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K).For this implementation
Example, P1=(P1,1,P2,1,...,P8,1), P2=(P1,2,P2,2,...,P8,2), P3=(P1,3,P2,3,...,P8,3).Wherein, Pi,1
={ 1,2,3,4 }, 1≤i≤8；Pi,2={ 1,2,5,6 }, 1≤i≤8；Pi,3={ 3,4,5,6 }, 1≤i≤8.
S3b: each user randomly chooses a resource pattern group from preferred resource pattern group described in step S2.
Embodiment three
The present embodiment combination design parameter illustrates in total embodiment user described in step S33 by corresponding interleaving bits root
Resource vector V is mapped to according to pre-arranged code modulating mode and selected resource pattern groupiOn process.Without loss of generality, specific ginseng
Number is resource vector ViThe number of middle resource particle is Si=6, resource pattern Pi,j={ 3,5 }, Li,j=2, it is mapped to resource vector
ViOn correspondence interleaving bits number be m=m1+m2.Specifically include following two step:
Step 1: corresponding m interleaving bits are mapped as L according to pre-arranged code modulating mode by useri,j=2 symbol x1
And x2.Wherein, including but not limited to following three kinds of modes are mapped according to pre-arranged code modulating mode, can choose therein
It is a kind of:
A, by the m in corresponding m interleaving bits1A bit map is preset 2m1Symbol x in order cluster conjunction1, by another m2It is a
Bit map is preset 2m2Symbol x in order cluster conjunction2, obtain two symbol x altogether1And x2。
B, corresponding m interleaving bits are mapped as preset 2mSymbol x in order cluster conjunction, then x is spread to obtain two symbols
Number x1=f (x), x2=g (x).
C, corresponding m interleaving bits are mapped as preset 2mL in order cluster conjunctioni,j=2 dimension symbolic vector (x1,x2), vector
Bidimensional be respectively obtained two symbol x1And x2.Load user symbol x1
Step 2: user is by 2 symbol x obtained in step 11And x2, according to resource pattern PI, j={ 3,5 }, successively load
To resource vector ViOn.That is, v=1 is successively chosen, and 2 ..., 6, if v belongs to Pi,j, then in ViV-th of resource particle on carry out
Symbol load.In the present embodiment shown in loading result attached drawing 2.
Example IV
The present embodiment combination design parameter illustrates a kind of multi-user's up-link access method based on resource pattern.On assuming that
Row multiple access accesses the uplink based on LTE system, by taking single cell as an example, it is assumed that the channel resource for multi-upstream access is 6
PRB (12 subcarriers that a PRB includes continuous 6 OFDM symbols), i.e. 432 OFDM sub-carriers.The present embodiment institute
State multi-user's up-link access method the following steps are included:
S1: carrying out quadrature divide to the bandwidth resources of uplink multi-address access channel, obtain the molecular resource block of resource grains,
And combine the B resource blocks, obtain basic scheduling unit.Basic scheduling unit is divided into N number of resource vector,
It is denoted as V1, V2..., VN.Wherein, the resource particle number in each resource vector is respectively S1, S2..., SN.That is resource
The number of resource particle is S in vector Vii, 1≤i≤N.For the present embodiment, resource particle is single OFDM subcarrier
Symbol, resource block are PRB, B=6.6 PRB are combined, BTU Basic Transmission Unit is obtained.BTU Basic Transmission Unit is drawn
It is divided into 72 resource vectors, the resource particle number in each resource vector is 6.
S2: to each resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,j
It is the subset for gathering { 1,2 ..., 6 }, 1≤i≤72,1≤j≤K, Pi,jThe number of middle element is Li,j.To obtain K group
Preferred resource pattern group P1=(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,
P2,K,...,PN,K)。
S3: each user of multi-upstream access selects one of them in the K resource pattern group described in step S2, and according to
Selected resource pattern group sends number using corresponding resource pattern and preset coded modulation scheme on each resource vector
According to.Wherein, preset coded modulation scheme described in step S3 includes channel coding, Bit Interleave, constellation mapping etc..
The process packet of the resource pattern group of the selection of user described in the number K and step S3 of resource pattern described in step S2
Include following steps:
Scene is accessed for scheduling, it is assumed that have the user of 3 accesses:
S2a: the number K of resource pattern described in step S2 is set as number of users 3.Then step S2 is adjusted accordingly are as follows: right
Each resource vector Vi, preferably K resource pattern, Pi,1,Pi,2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,
2,...,SiSubset, 1≤i≤72,1≤j≤K, Pi,jThe number of middle element is Li,j.It is preferably provided to obtain K group
Source pattern group P1=(P1,1,P2,1,...,PN,1),P2=(P12,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K)。
For the present embodiment, P1=(P1,1,P2,1,...,PN,1), P2=(P1,2,P2,2,...,PN,2), P3=(P1,3,P2,3,...,
PN,3).Wherein, Pi,1={ 1,2,3,4 }, 1≤i≤72；Pi,2={ 1,2,5,6 }, 1≤i≤72；Pi,3={ 3,4,5,6 },
1≤i≤72.
S3a: each user selects a resource pattern from preferred resource pattern group described in step S2 correspondingly
Group.
For random access scene, it is assumed that there is the user of 15 accesses:
S2b: the number K of resource pattern described in step S2 is set as 3.Then step S2 is adjusted accordingly are as follows: to each money
Source vector Vi, preferably K resource pattern, Pi,1,Pi2,...,Pi,K.Wherein, resource pattern Pi,jBe set 1,2 ..., Si?
Subset, 1≤i≤N, 1≤j≤K, Pi,jThe number of middle element is Li,j.To obtain the preferred resource pattern group P of K group1=
(P1,1,P2,1,...,PN,1),P2=(P1,2,P2,2,...,PN,2),...,PK=(P1,K,P2,K,...,PN,K).For this implementation
Example, P1=(P1,1,P2,1,...,PN,1), P2=(P1,2,P2,2,...,PN,2), P3=(P1,3,P2,3,...,PN,3).Wherein, Pi1=
{ 1,2,3,4 }, 1≤i≤8；Pi2={ 1,2,5,6 }, 1≤i≤8；Pi3={ 3,4,5,6 }, 1≤i≤8.
S3b: each user randomly chooses a resource pattern group from preferred resource pattern group described in step S2.
In step S3, it is assumed that user has selected resource pattern group Pj.The user of multi-upstream access makes on each resource vector
With corresponding resource pattern and preset coded modulation scheme send data process the following steps are included:
S31: user carries out channel coding to information bit to be transmitted according to preset coded modulation scheme, is encoded
Bit.
S32: user carries out Bit Interleave according to pre-arranged code modulating mode to coded-bit, obtains interleaving bits.
S33: interleaving bits according to pre-arranged code modulating mode and selected resource pattern group, are sequentially mapped to resource by user
Vector V1, V2..., V72On.Wherein, user described in step S33 by corresponding interleaving bits according to pre-arranged code modulating mode and
Selected resource pattern group is mapped to resource vector ViOn process the following steps are included:
S331: corresponding interleaving bits are mapped as L according to pre-arranged code modulating mode by useri,jA symbol.
S332: user is by Li,jA symbol, according to resource pattern Pi,j, successively it is loaded into resource vector ViOn.That is, successively selecting
V=1,2 is taken ..., SiIf v belongs to Pi,j, then in ViV-th of resource particle on carry out symbol load.
In addition, the other compositions and effect of multi-user's up-link access method based on resource pattern of the embodiment of the present invention
All be for a person skilled in the art it is known, in order to reduce redundancy, do not repeat them here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is by claim and its equivalent limits.
Claims (6)
1. a kind of multi-user's up-link access method based on resource pattern, which comprises the following steps:
S1: quadrature divide is carried out to the bandwidth resources of uplink multi-address access channel, obtains the molecular resource block of resource grains, and will
The B resource blocks are combined, and basic scheduling unit is obtained；The basic scheduling unit is divided into N number of resource vector,
It is denoted as V1, V2... ..., VN, wherein the resource particle number in each resource vector is respectively S1, S2..., SN；
S2: to each resource vector Vi, select K resource pattern composition resource pattern group Pi,1,Pi,2,...,Pi,K, wherein resource map
Sample Pi,jBe set 1,2 ..., SiSubset, wherein i ∈ [1, N], j ∈ [1, K], Pi,jThe number of middle element is Li,j；With
And
S3: each user of multi-upstream access selects one of them from the resource pattern group, and according to selected resource pattern group,
Data are sent using corresponding resource pattern and preset coded modulation scheme on each resource vector.
2. multi-user's up-link access method according to claim 1 based on resource pattern, which is characterized in that in step S1
In, when dividing resource vector, each resource vector resource particle similar in fade condition is formed.
3. multi-user's up-link access method according to claim 1 based on resource pattern, which is characterized in that determine step
User described in the number K and step S3 of resource pattern described in S2 selection resource pattern group process the following steps are included:
Scene is accessed for scheduling, is set with M accessing user,
S2a: the number K of resource pattern described in step S2 is set as number of users M；
S3a: each user selects a resource pattern group from resource pattern group described in step S2 correspondingly；
For random access scene, it is set with M accessing user,
S2b: the number K of resource pattern described in step S2 is set as K'；
S3b: each user randomly chooses a resource pattern group from resource pattern group described in step S2.
4. multi-user's up-link access method according to claim 1 based on resource pattern, which is characterized in that in step S3
The user of the multi-upstream access is sent on each resource vector using corresponding resource pattern and preset coded modulation scheme
The processes of data the following steps are included:
S31: the user of the multi-upstream access carries out channel volume to information bit to be transmitted according to preset coded modulation scheme
Code obtains coded-bit；
S32: the user of the multi-upstream access carries out Bit Interleave according to pre-arranged code modulating mode to the coded-bit and obtains
Interleaving bits；And
S33: the user of the multi-upstream access is by the interleaving bits according to the preset coded modulation scheme and selected resource
Pattern group is sequentially mapped to resource vector V1, V2..., VNOn.
5. multi-user's up-link access method according to claim 4 based on resource pattern, which is characterized in that step S33
Further comprise:
S331: corresponding interleaving bits are mapped as by the user of the multi-upstream access according to the preset coded modulation scheme
Li,jA symbol；And
S332: the user of the multi-upstream access is by Li,jA symbol, according to resource pattern Pi,j, successively it is loaded into resource vector ViOn.
6. multi-user's up-link access method according to claim 2 based on resource pattern, which is characterized in that the decline
Resource particle similar in condition is that adjacent time, adjacent sub-carrier or related coefficient are higher than entrained by the adjacent antenna of preset value
Resource particle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237270.3A CN105790917B (en) | 2016-04-15 | 2016-04-15 | A kind of multi-user's up-link access method based on resource pattern |
| PCT/CN2016/099752 WO2017177620A1 (en) | 2016-04-15 | 2016-09-22 | Multiuser uplink access method based on resource patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610237270.3A CN105790917B (en) | 2016-04-15 | 2016-04-15 | A kind of multi-user's up-link access method based on resource pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105790917A CN105790917A (en) | 2016-07-20 |
| CN105790917B true CN105790917B (en) | 2018-12-11 |
Family
ID=56397636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610237270.3A Active CN105790917B (en) | 2016-04-15 | 2016-04-15 | A kind of multi-user's up-link access method based on resource pattern |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105790917B (en) |
| WO (1) | WO2017177620A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790917B (en) * | 2016-04-15 | 2018-12-11 | 清华大学 | A kind of multi-user's up-link access method based on resource pattern |
| JP2018026660A (en) * | 2016-08-09 | 2018-02-15 | ソニー株式会社 | Communication device, communication method, and program |
| CN107889237B (en) * | 2016-09-29 | 2024-01-02 | 中兴通讯股份有限公司 | Information transmission method and device |
| CN108366392B (en) * | 2018-02-01 | 2020-03-27 | 清华大学 | Random access method based on resource pattern |
| CN110831119B (en) * | 2018-08-09 | 2022-03-22 | 大唐移动通信设备有限公司 | Multi-layer transmission data processing method and entity |
| CN110504996B (en) * | 2019-08-29 | 2021-02-26 | 中国电子科技集团公司第五十四研究所 | Non-orthogonal multiple access method applied to MIMO scene |
| CN114828155B (en) * | 2022-03-16 | 2023-08-29 | 北京航空航天大学 | Greedy iteration multi-user access method, electronic equipment and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811289A (en) * | 2015-03-26 | 2015-07-29 | 清华大学 | Orthogonal and non-orthogonal combined large-scale user uplink multiple access transmission method |
| CN105472752A (en) * | 2016-01-21 | 2016-04-06 | 清华大学 | Uplink random access method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090103440A1 (en) * | 2007-10-23 | 2009-04-23 | Nokia Corporation | Collision avoidance for uplink VoIP transmission |
| KR101610612B1 (en) * | 2008-04-21 | 2016-04-07 | 애플 인크. | Method and system for providing an uplink structure and minimizing pilot signal overhead in a wireless communication network |
| CN102014506B (en) * | 2010-07-13 | 2012-08-29 | 华为技术有限公司 | Method, and base station for triggering terminal to transmit measurement reference signals |
| CN104936294B (en) * | 2014-03-20 | 2020-05-19 | 中兴通讯股份有限公司 | Method, system and device for coexistence of cellular communication and device-to-device communication |
| CN105451271B (en) * | 2014-09-05 | 2019-07-02 | 中兴通讯股份有限公司 | A kind of method for managing resource and device |
| CN105451211B (en) * | 2014-09-25 | 2019-12-27 | 中兴通讯股份有限公司 | Method and apparatus for device-to-device communication |
| CN105790917B (en) * | 2016-04-15 | 2018-12-11 | 清华大学 | A kind of multi-user's up-link access method based on resource pattern |
-
2016
- 2016-04-15 CN CN201610237270.3A patent/CN105790917B/en active Active
- 2016-09-22 WO PCT/CN2016/099752 patent/WO2017177620A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811289A (en) * | 2015-03-26 | 2015-07-29 | 清华大学 | Orthogonal and non-orthogonal combined large-scale user uplink multiple access transmission method |
| CN105472752A (en) * | 2016-01-21 | 2016-04-06 | 清华大学 | Uplink random access method |
Non-Patent Citations (1)
| Title |
|---|
| 《A Suboptimal Scheme for Uplink NOMA in 5G System》;shuang chen;《Wireless Communication and Mobile Computing Conference》;20150828;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017177620A1 (en) | 2017-10-19 |
| CN105790917A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105790917B (en) | A kind of multi-user's up-link access method based on resource pattern | |
| CN105472752B (en) | A kind of uplink random cut-in method | |
| CN105409146B (en) | For demodulation reference signal to be used to provide method, base station and subscriber station for interfering the side information eliminated | |
| CN101548517B (en) | Wireless communication method and apparatus for allocating training signals and information bits | |
| JP6465810B2 (en) | Signal transmission / reception method and apparatus using multiple modulation techniques in wireless communication system | |
| WO2018171771A1 (en) | Signaling indication method, device and communication node, and computer storage medium | |
| CN101399554B (en) | Interleaving method and de-interleaving method based on LDPC code and apparatus therefor | |
| US10523483B2 (en) | Support of frequency diversity mode for block code based transmission in OFDMA | |
| US11595099B2 (en) | Apparatus and method for diversity transmission in a wireless communications system | |
| CN110034789A (en) | The transmission method and device of reference signal | |
| CN108476550A (en) | The communication of the specific control information of user in wireless network | |
| CN108886420A (en) | System and method for the channel interleaving in wireless network | |
| CN201312315Y (en) | System, emitting device and receiving device for eliminating interference close to base station | |
| CN106411456A (en) | Signal processing system and method, base station and user equipment | |
| CN104823395A (en) | Method for receiving or transmitting downlink control signal in wireless communication system, and apparatus therefor | |
| CN104753643B (en) | A kind of adaptive interleaving method and device based on channel state information | |
| CN107707500B (en) | OFDM (orthogonal frequency division multiplexing) serial number modulation method based on multiple modes | |
| Schaepperle et al. | Enhancement of throughput and fairness in 4G wireless access systems by non-orthogonal signaling | |
| CN108631832A (en) | In conjunction with the multiuser MIMO-OOFDM visible light communication methods of index modulation | |
| EP1859558A1 (en) | Communications systems | |
| CN106797366A (en) | The method of sending and receiving and associated communication equipment realized in a communications device | |
| CN103079073A (en) | Method for distributing resources for scalable videos in orthogonal frequency division multiple access system | |
| CN104320372A (en) | Method for establishing communication system three-dimensional planisphere | |
| WO2017041690A1 (en) | Dual carrier modulation-based data transmission method, device and system | |
| CN101677478B (en) | System, transmitting device and receiving device for eliminating interference of adjacent base station, and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |