CN108738144A - Processing method, data transmission and method for mapping resource, the device of resource impact - Google Patents
Processing method, data transmission and method for mapping resource, the device of resource impact Download PDFInfo
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- CN108738144A CN108738144A CN201710270697.8A CN201710270697A CN108738144A CN 108738144 A CN108738144 A CN 108738144A CN 201710270697 A CN201710270697 A CN 201710270697A CN 108738144 A CN108738144 A CN 108738144A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0041—Frequency-non-contiguous
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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Abstract
The present invention provides a kind of processing method of resource impact, data transmission and method for mapping resource, device, this method：Determine non orthogonal transmissions code word to transfer resource method for mapping resource；The method for mapping resource is sent to terminal.Method for mapping resource of the predetermined non orthogonal transmissions code word of base station side to transfer resource in the embodiment of the present invention, and tell determining method for mapping resource to terminal, the code word for the method for mapping resource and use that terminal can then be sent based on base station determines unique mapping mode, completes resource impact later in transfer resource transmitting data；This method can effectively realize code word to the resource impact between user's transfer resource, improving data transmission efficiency and system performance.
Description
Technical field
The present invention relates to field of communication technology, a kind of processing method of resource impact, data transmission and resource are particularly related to
Mapping method, device.
Background technology
The resource allocation in LTE (long term evolution) system includes continuous resource distribution and distributed resource allocation at present.Tool
The resource allocation indicating method of body includes 3 kinds：Type0, type1 and type2.Wherein, type0 and type1 uses bitmap
Mode can be very good support distributed resource allocation instruction, but occupy control instruction bit information it is more.Type2 is adopted
It is indicated with continuous resource block to reduce control instruction bit, while to support distributed resource allocation, void defined in type2
Quasi- resource block (VRB, virtual resource block) and Physical Resource Block (PRB, physical resource block)
Between mapping relations.
Above-mentioned prior art to the distribution of user resources with resource block (RB, resource block) for unit, energy
The transfer resource instruction of single user is completed well, but for the non orthogonal transmissions system based on code word domain, it cannot be fine
Embodiment code word to the resource impact relationship between user's transfer resource.When user is transmitted using nonopiate code word,
On the transfer resource of base station distribution, there are still a variety of mapping relations between the data and transfer resource of user, and different resources
Mapping method may be applicable in different code book and channel circumstance.For example, 6 users are passed using the code word in nonopiate code book
It is defeated；Wherein, nonopiate code book is：And it distributes 4 RB to 6 users and is transmitted (4 RB
Can be continuous or distributed RB resources, each RB includes 12 subcarriers).Consider that the code word that user 1 uses is [1 1
0 0]T, the data that user 1 is transmitted are s=[s1,s2,…,s12]T, then the data of user 1 to 4 RB (on 48 subcarriers)
There may be possible as follows (there are more possibility, other may not be listed one by one herein) for mapping：
Mode 1：
Mode 2：[s1,s1,0,0,s2,s2, 0,0 ..., s12,s12,0,0]T。
Therefore for the non orthogonal transmissions system based on code word domain, in the Resource Allocation Formula of the prior art data of user with
There are still a variety of mapping relations to lead to the uncertain problem of mapping relations between transfer resource.
Invention content
The purpose of the present invention is to provide a kind of processing method of resource impact, data transmission and method for mapping resource, dresses
It sets, solves in the prior art that there are still a variety of mapping relations to cause mapping relations uncertain between the data and transfer resource of user
The problem of.
In order to achieve the above object, the present invention provides a kind of processing method of resource impact, including：
Determine non orthogonal transmissions code word to transfer resource method for mapping resource；
The method for mapping resource is sent to terminal.
Wherein, the described the step of method for mapping resource is sent to terminal, including：
The method for mapping resource is sent to terminal by downlink transfer control channel；Wherein, the resource impact side
Method is identified with default binary bits code.
Wherein, the determining non orthogonal transmissions code word to transfer resource method for mapping resource the step of, including：
Transfer resource is divided into multiple subcarrier groups according to the packet mode made an appointment, each subcarrier group includes more
A subcarrier；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group；
According to the packet mode made an appointment determine non orthogonal transmissions code word to transfer resource method for mapping resource.
Wherein, the packet mode made an appointment described in the basis determines non orthogonal transmissions code word to the resource of transfer resource
The step of mapping method, including：
If the packet mode made an appointment is：Continuous multiple subcarriers are divided into a sub- carrier wave set, are determined non-
The method for mapping resource of orthogonal transmission code word to transfer resource is centralized mapping method；
If the scheduled packet mode in advance is：The multiple subcarriers for being divided into preset value are divided into a subcarrier
Group, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource are distributed mapping method.
Wherein, the quantitative value of the element in the non orthogonal transmissions code word is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
The embodiment of the present invention also provides a kind of data transmission method, including：
Method for mapping resource of the reception non orthogonal transmissions code word to transfer resource；
According to non orthogonal transmissions code word and the method for mapping resource, carry out after resource impact on the transfer resource
Send data to be transmitted.
Wherein, described according to non orthogonal transmissions code word and the method for mapping resource, it carries out after resource impact described
The step of data to be transmitted is sent on transfer resource, including：
According to the method for mapping resource, multiple subcarrier groups that transfer resource includes are determined；Each subcarrier group includes
Multiple subcarriers；
Multiple elements in the non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group；
After completing resource impact data to be transmitted is sent on the subcarrier of the transfer resource.
Wherein, the method for mapping resource includes：Centralized mapping method and distributed mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes the continuous more of the transfer resource
A subcarrier；
When method for mapping resource be distributed mapping method when, the subcarrier group include the transfer resource between be divided into
Multiple subcarriers of preset value.
The embodiment of the present invention also provides a kind of method for mapping resource, including：
Transfer resource is divided into multiple subcarrier groups, each subcarrier group includes multiple subcarriers；
Multiple elements in non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group.
Wherein, the subcarrier group includes continuous multiple subcarriers of the transfer resource；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
Wherein, the quantitative value of the element in the non orthogonal transmissions code word is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
The embodiment of the present invention also provides a kind of processing unit of resource impact, including：
Map determining module, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource；
Sending module, for the method for mapping resource to be sent to terminal.
Wherein, the sending module includes：
The method for mapping resource is sent to terminal by sending submodule for passing through downlink transfer control channel；Wherein,
The method for mapping resource is identified with default binary bits code.
Wherein, the mapping determining module includes：
Submodule is divided, for transfer resource to be divided into multiple subcarrier groups according to the packet mode made an appointment, often
A sub- carrier wave set includes multiple subcarriers；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped to described more
In a sub- carrier wave set；
Determination sub-module, the packet mode for making an appointment according to determine non orthogonal transmissions code word to transfer resource
Method for mapping resource.
Wherein, the determination sub-module includes：
First determination unit, if being for the packet mode made an appointment：Continuous multiple subcarriers are divided into one
A sub- carrier wave set, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource are centralized mapping method；
Second determination unit, if being for the scheduled packet mode in advance：It will be divided into multiple sub- loads of preset value
Wavelength-division is a sub- carrier wave set, and the method for mapping resource for determining non orthogonal transmissions code word to transfer resource is distributed mapping side
Method.
Wherein, the quantitative value of the element in the non orthogonal transmissions code word is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
The embodiment of the present invention also provides a kind of data transmission device, including：
Receiving module, the method for mapping resource for receiving non orthogonal transmissions code word to transfer resource；
Transmission module, for according to non orthogonal transmissions code word and the method for mapping resource, carry out after resource impact
Data to be transmitted is sent on the transfer resource.
Wherein, the transmission module includes：
Group determination sub-module, for according to the method for mapping resource, determining multiple subcarrier groups that transfer resource includes；
Each subcarrier group includes multiple subcarriers；
Mapping submodule, for multiple elements in the non orthogonal transmissions code word to be respectively mapped to the multiple sub- load
In wave group；
Submodule is transmitted, data to be transmitted is sent on the subcarrier of the transfer resource for completing after resource impact.
Wherein, the method for mapping resource includes：Centralized mapping method and distributed mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes the continuous more of the transfer resource
A subcarrier；
When method for mapping resource be distributed mapping method when, the subcarrier group include the transfer resource between be divided into
Multiple subcarriers of preset value.
The embodiment of the present invention also provides a kind of resource mapping apparatus, including：
Group division module, for transfer resource to be divided into multiple subcarrier groups, each subcarrier group includes multiple sub- loads
Wave；
Element mapping block, for multiple elements in non orthogonal transmissions code word to be respectively mapped to the multiple subcarrier
In group.
Wherein, the subcarrier group includes continuous multiple subcarriers of the transfer resource；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
Wherein, the quantitative value of the element in the non orthogonal transmissions code word is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In processing method, data transmission and the method for mapping resource of the resource impact of the embodiment of the present invention, device, base station side
Non orthogonal transmissions code word is predefined to the method for mapping resource of transfer resource, and tells determining method for mapping resource to end
The code word at end, the method for mapping resource and use that terminal can then be sent based on base station determines unique mapping mode, completes money
In transfer resource transmitting data after the mapping of source；This method can effectively realize code word to the money between user's transfer resource
Source maps, improving data transmission efficiency and system performance.
Description of the drawings
Fig. 1 shows the step flow charts of the processing method of resource impact provided in an embodiment of the present invention；
Fig. 2 indicates the step flow chart of data transmission method provided in an embodiment of the present invention；
Fig. 3 indicates the step flow chart of method for mapping resource provided in an embodiment of the present invention；
Fig. 4 indicates the structural schematic diagram of the processing unit of resource impact provided in an embodiment of the present invention；
Fig. 5 indicates the structural schematic diagram of data transmission device provided in an embodiment of the present invention；
Fig. 6 indicates the structural schematic diagram of resource mapping apparatus provided in an embodiment of the present invention.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of processing method of resource impact, including：
Step 11, determine non orthogonal transmissions code word to transfer resource method for mapping resource；
Step 12, the method for mapping resource is sent to terminal.
In the embodiment of the present invention, base station and terminal can make an appointment multiple resources mapping method, and base station is from scheduled in advance
A kind of method for mapping resource is selected in multiple method for mapping resource, and as the method for mapping resource for waiting for that terminal uses, terminal then uses
The selected method for mapping resource in base station carries out resource impact and transmission data；Terminal and base station is avoided to randomly choose resource impact side
Method is so as to cause the uncertain problem of method for mapping resource, improving data transmission efficiency.
Specifically, step 12 includes in the above embodiment of the present invention：
The method for mapping resource is sent to terminal by downlink transfer control channel；Wherein, the resource impact side
Method is identified with default binary bits code.
Such as method for mapping resource includes：Centralized mapping method and distributed mapping method；Then indicate to collect using " 0 "
Chinese style mapping method, and indicate distributed mapping method using " 1 ".
Specifically, step 11 includes in the above embodiment of the present invention：
Step 111, transfer resource is divided into multiple subcarrier groups, each subcarrier according to the packet mode made an appointment
Group includes multiple subcarriers；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped to the multiple subcarrier
In group；
Step 112, according to the packet mode made an appointment determine non orthogonal transmissions code word to transfer resource resource
Mapping method.
And step 111 includes：
If the packet mode made an appointment is：Continuous multiple subcarriers are divided into a sub- carrier wave set, are determined non-
The method for mapping resource of orthogonal transmission code word to transfer resource is centralized mapping method；
If the scheduled packet mode in advance is：The multiple subcarriers for being divided into preset value are divided into a subcarrier
Group, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource are distributed mapping method.
Further, the quantitative value phase of the quantitative value and the subcarrier group of the element in the non orthogonal transmissions code word
Together；The preset value is identical as the quantitative value of subcarrier group.
For example, the transfer resource size that base station is distributed to user is Q subcarrier, these sub-carrier resources can be continuous
It is either distributed.By Q subcarrier of transfer resource, it is divided into K groups according to the packet mode made an appointment, then includes for every group
Sub-carrier number beAnd each subcarrier group is known as RU (resource unit, resource unit), the transmission after division
Resource forms K group RU, and number is RU respectively1,RU2,…,RUK.Each member in the code word used when user's transmission data
Element is respectively mapped on the K groups RU formed after grouping.For example, the code word that user's transmission data uses is [1 10 0]T, then will
Transfer resource is divided into 4 groups of RU, respectively RU1,RU2,RU3,RU4；Then the resource impact of non orthogonal transmissions code word to transfer resource is
RU1First element " 1 " being mapped in code word, RU2Second element " 1 " being mapped in code word, RU3It is mapped in code word
Third element " 0 " RU4The 4th element " 0 " being mapped in code word.
Further, the above-mentioned packet mode made an appointment can be：It will be continuousA subcarrier is divided into one group,
Can be that the subcarrier for being divided into K is divided into one group.For example, when K is equal to 4, Q equal to 48, it will be continuousA subcarrier is divided into
At one group, RU1=1,2 ..., and 12 }, RU2=13,14 ..., and 24 }, RU3=25,26 ..., and 36 }, RU4=37,38 ...,
48}；And when the subcarrier for being divided into K is divided into one group, RU1=1,5 ..., and 45 }, RU2=2,6 ..., and 46 }, RU3=3,
7,…,47},RU4=4,8 ..., 48 }.
To sum up, the processing method for the resource impact that the embodiment of the present invention proposes can effectively realize that code word is transmitted to user
Centralized resources mapping and distribution may be implemented by defining multiple resources mapping method in resource impact between resource
Resource impact, a variety of mapping methods can preferably adapt to code word and channel circumstance variation, lifting system performance.
As shown in Fig. 2, the embodiment of the present invention also provides a kind of data transmission method, including：
Step 21, method for mapping resource of the reception non orthogonal transmissions code word to transfer resource；
Step 22, it according to non orthogonal transmissions code word and the method for mapping resource, carries out after resource impact in the biography
Data to be transmitted is sent in defeated resource.
Specifically, step 22 includes in the above embodiment of the present invention：
According to the method for mapping resource, multiple subcarrier groups that transfer resource includes are determined；Each subcarrier group includes
Multiple subcarriers；
Multiple elements in the non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group；
After completing resource impact data to be transmitted is sent on the subcarrier of the transfer resource.
And the method for mapping resource includes：Centralized mapping method and distributed mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes the continuous more of the transfer resource
A subcarrier；When method for mapping resource is distributed mapping method, the subcarrier group includes the interval of the transfer resource
For multiple subcarriers of preset value.
In the embodiment of the present invention, base station and terminal can make an appointment multiple resources mapping method, and base station is from scheduled in advance
A kind of method for mapping resource is selected in multiple method for mapping resource, and as the method for mapping resource for waiting for that terminal uses, terminal then uses
The selected method for mapping resource in base station carries out resource impact and transmission data；Terminal and base station is avoided to randomly choose resource impact side
Method is so as to cause the uncertain problem of method for mapping resource, improving data transmission efficiency.
For example, base station side defines the method for mapping resource of 2 kinds of non orthogonal transmissions.The first is centralized mapping, second
For distributed mapping.The wherein corresponding RU group technologies of centralized mapping method are：Continuous multiple subcarriers are divided into 1 group.
The corresponding RU group technologies of distributed mapping method are：Multiple subcarriers at interval are divided into 1 group.
6 users carry out transmitting uplink data using the code word in following nonopiate code book：
Base station is assigned with 4 continuous RB transfer resources to 6 users, and subcarrier number is 1 to 48.User 1 uses code
Word [1 10 0]TIt is transmitted, the data that user 1 is transmitted are s=[s1,s2,…,s12]T。
RU after being grouped in centralized mapping method1,RU2,…,RU4, including subcarrier number be respectively：RU1=
{1,2,…,12},RU2=13,14 ..., and 24 }, RU3=25,26 ..., and 36 }, RU4=37,38 ..., 48 }；
RU after being grouped in distributed mapping method1,RU2,…,RU4, including subcarrier number be respectively：RU1=
{1,5,…,45},RU2=2,6 ..., and 46 }, RU3=3,7 ..., and 47 }, RU4=4,8 ..., 48 }；
Base station side indicates information with 1 bit come transmission resource mapping method, and 0 indicates centralized mapping method, and 1 indicates to divide
Cloth mapping method.
First base station in down control channel by the transmission mode of user, the uplink transmission resource distributed and it is non-just
The mapping method (1 bit information) of transmitted codewords to resource is handed over to be sent to user；User detects the transmission mode of base station distribution, with
And uplink transmission resource and nonopiate code word method for mapping resource.
Assuming that user uses [1100]TCode word is transmitted, and the uplink transmission resource of base station distribution carries for 1~48 work song
Wave.If user detects that the mapping instruction bit for the resource that base station is sent is 0, user completes the data sent after resource impact
ForIf user detects the mapping instruction for the resource that base station is sent
Bit is 1, then it is [s that user, which completes the data sent after resource impact,1,s1,0,0,s2,s2, 0,0 ..., s12,s12,0,0]T。
As shown in figure 3, the embodiment of the present invention also provides a kind of method for mapping resource, including：
Step 31, transfer resource is divided into multiple subcarrier groups, each subcarrier group includes multiple subcarriers；
Step 32, multiple elements in non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group.
And the subcarrier group includes continuous multiple subcarriers of the transfer resource；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
Further, the quantitative value phase of the quantitative value and the subcarrier group of the element in the non orthogonal transmissions code word
Together；The preset value is identical as the quantitative value of subcarrier group.
In the embodiment of the present invention, base station and terminal can make an appointment multiple resources mapping method, and base station is from scheduled in advance
A kind of method for mapping resource is selected in multiple method for mapping resource, and as the method for mapping resource for waiting for that terminal uses, terminal then uses
The selected method for mapping resource in base station carries out resource impact and transmission data；Terminal and base station is avoided to randomly choose resource impact side
Method is so as to cause the uncertain problem of method for mapping resource, improving data transmission efficiency；Specifically, the processing side of the resource impact
Method can effectively realize that code word can by defining multiple resources mapping method to the resource impact between user's transfer resource
To realize that centralized resources mapping and distributed resource mapping, a variety of mapping methods can preferably adapt to code word and channel ring
Border changes, lifting system performance.
As shown in figure 4, the embodiment of the present invention also provides a kind of processing unit of resource impact, including：
Map determining module 41, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource；
Sending module 42, for the method for mapping resource to be sent to terminal.
Specifically, sending module described in the embodiment of the present invention includes：
The method for mapping resource is sent to terminal by sending submodule for passing through downlink transfer control channel；Wherein,
The method for mapping resource is identified with default binary bits code.
Specifically, mapping determining module described in the embodiment of the present invention includes：
Submodule is divided, for transfer resource to be divided into multiple subcarrier groups according to the packet mode made an appointment, often
A sub- carrier wave set includes multiple subcarriers；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped to described more
In a sub- carrier wave set；
Determination sub-module, the packet mode for making an appointment according to determine non orthogonal transmissions code word to transfer resource
Method for mapping resource.
Specifically, determination sub-module described in the embodiment of the present invention includes：
First determination unit, if being for the packet mode made an appointment：Continuous multiple subcarriers are divided into one
A sub- carrier wave set, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource are centralized mapping method；
Second determination unit, if being for the scheduled packet mode in advance：It will be divided into multiple sub- loads of preset value
Wavelength-division is a sub- carrier wave set, and the method for mapping resource for determining non orthogonal transmissions code word to transfer resource is distributed mapping side
Method.
Specifically, the quantitative value of the element in non orthogonal transmissions code word described in the embodiment of the present invention and the subcarrier group
Quantitative value it is identical；The preset value is identical as the quantitative value of subcarrier group.
To sum up, the processing method for the resource impact that the embodiment of the present invention proposes can effectively realize that code word is transmitted to user
Centralized resources mapping and distribution may be implemented by defining multiple resources mapping method in resource impact between resource
Resource impact, a variety of mapping methods can preferably adapt to code word and channel circumstance variation, lifting system performance.
It should be noted that the processing unit of resource impact provided in an embodiment of the present invention is to be able to carry out above-mentioned resource to reflect
The processing unit for the processing method penetrated, then all embodiments of the processing method of above-mentioned resource impact are suitable for processing dress
It sets, and can reach same or analogous advantageous effect.
As shown in figure 5, the embodiment of the present invention also provides a kind of data transmission device, including：
Receiving module 51, the method for mapping resource for receiving non orthogonal transmissions code word to transfer resource；
Transmission module 52 is used for according to non orthogonal transmissions code word and the method for mapping resource, after carrying out resource impact
Data to be transmitted is sent on the transfer resource.
Specifically, transmission module described in the above embodiment of the present invention includes：
Group determination sub-module, for according to the method for mapping resource, determining multiple subcarrier groups that transfer resource includes；
Each subcarrier group includes multiple subcarriers；
Mapping submodule, for multiple elements in the non orthogonal transmissions code word to be respectively mapped to the multiple sub- load
In wave group；
Submodule is transmitted, data to be transmitted is sent on the subcarrier of the transfer resource for completing after resource impact.
Specifically, method for mapping resource described in the above embodiment of the present invention includes：Centralized mapping method and point
Cloth mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes the continuous more of the transfer resource
A subcarrier；
When method for mapping resource be distributed mapping method when, the subcarrier group include the transfer resource between be divided into
Multiple subcarriers of preset value.
In the embodiment of the present invention, base station and terminal can make an appointment multiple resources mapping method, and base station is from scheduled in advance
A kind of method for mapping resource is selected in multiple method for mapping resource, and as the method for mapping resource for waiting for that terminal uses, terminal then uses
The selected method for mapping resource in base station carries out resource impact and transmission data；Terminal and base station is avoided to randomly choose resource impact side
Method is so as to cause the uncertain problem of method for mapping resource, improving data transmission efficiency.
It should be noted that data transmission device provided in an embodiment of the present invention is to be able to carry out above-mentioned data transmission method
Data transmission device, then all embodiments of above-mentioned data transmission method be suitable for the data transmission device, and can reach
To same or analogous advantageous effect.
As shown in fig. 6, the embodiment of the present invention also provides a kind of resource mapping apparatus, including：
Group division module 61, for transfer resource to be divided into multiple subcarrier groups, each subcarrier group includes multiple sons
Carrier wave；
Element mapping block 62, for multiple elements in non orthogonal transmissions code word to be respectively mapped to the multiple sub- load
In wave group.
Specifically, subcarrier group described in the above embodiment of the present invention includes continuous multiple sub- loads of the transfer resource
Wave；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
Specifically, the quantitative value of the element in non orthogonal transmissions code word described in the above embodiment of the present invention and the son
The quantitative value of carrier wave set is identical；The preset value is identical as the quantitative value of subcarrier group.
In the embodiment of the present invention, base station and terminal can make an appointment multiple resources mapping method, and base station is from scheduled in advance
A kind of method for mapping resource is selected in multiple method for mapping resource, and as the method for mapping resource for waiting for that terminal uses, terminal then uses
The selected method for mapping resource in base station carries out resource impact and transmission data；Terminal and base station is avoided to randomly choose resource impact side
Method is so as to cause the uncertain problem of method for mapping resource, improving data transmission efficiency；Specifically, the processing side of the resource impact
Method can effectively realize that code word can by defining multiple resources mapping method to the resource impact between user's transfer resource
To realize that centralized resources mapping and distributed resource mapping, a variety of mapping methods can preferably adapt to code word and channel ring
Border changes, lifting system performance.
It should be noted that resource mapping apparatus provided in an embodiment of the present invention is to be able to carry out above-mentioned method for mapping resource
Resource mapping apparatus, then all embodiments of above-mentioned method for mapping resource be suitable for the resource mapping apparatus, and can reach
To same or analogous advantageous effect.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (22)
1. a kind of processing method of resource impact, which is characterized in that including：
Determine non orthogonal transmissions code word to transfer resource method for mapping resource；
The method for mapping resource is sent to terminal.
2. according to the method described in claim 1, it is characterized in that, the step that the method for mapping resource is sent to terminal
Suddenly, including：
The method for mapping resource is sent to terminal by downlink transfer control channel；Wherein, the method for mapping resource is used
Binary bits code is preset to identify.
3. according to the method described in claim 1, it is characterized in that, the determining non orthogonal transmissions code word to transfer resource money
The step of source mapping method, including：
Transfer resource is divided into multiple subcarrier groups according to the packet mode made an appointment, each subcarrier group includes multiple sons
Carrier wave；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group；
According to the packet mode made an appointment determine non orthogonal transmissions code word to transfer resource method for mapping resource.
4. according to the method described in claim 3, it is characterized in that, the packet mode made an appointment described in the basis determine it is non-
Orthogonal transmission code word to transfer resource method for mapping resource the step of, including：
If the packet mode made an appointment is：Continuous multiple subcarriers are divided into a sub- carrier wave set, are determined nonopiate
The method for mapping resource of transmitted codewords to transfer resource is centralized mapping method；
If the scheduled packet mode in advance is：The multiple subcarriers for being divided into preset value are divided into a sub- carrier wave set, really
Determine non orthogonal transmissions code word to transfer resource method for mapping resource be distributed mapping method.
5. according to the method described in claim 4, it is characterized in that, the quantitative value of element in the non orthogonal transmissions code word with
The quantitative value of the subcarrier group is identical；
The preset value is identical as the quantitative value of subcarrier group.
6. a kind of data transmission method, which is characterized in that including：
Method for mapping resource of the reception non orthogonal transmissions code word to transfer resource；
According to non orthogonal transmissions code word and the method for mapping resource, sent on the transfer resource after carrying out resource impact
Data to be transmitted.
7. according to the method described in claim 6, it is characterized in that, described reflect according to non orthogonal transmissions code word and the resource
Shooting method, carry out resource impact after on the transfer resource send data to be transmitted the step of, including：
According to the method for mapping resource, multiple subcarrier groups that transfer resource includes are determined；Each subcarrier group includes multiple
Subcarrier；
Multiple elements in the non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group；
After completing resource impact data to be transmitted is sent on the subcarrier of the transfer resource.
8. the method according to the description of claim 7 is characterized in that the method for mapping resource includes：Centralized mapping method
And distributed mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes continuous multiple sons of the transfer resource
Carrier wave；
When method for mapping resource is distributed mapping method, the subcarrier group is default comprising being divided between the transfer resource
Multiple subcarriers of value.
9. a kind of method for mapping resource, which is characterized in that including：
Transfer resource is divided into multiple subcarrier groups, each subcarrier group includes multiple subcarriers；
Multiple elements in non orthogonal transmissions code word are respectively mapped in the multiple subcarrier group.
10. according to the method described in claim 9, it is characterized in that, the subcarrier group includes the continuous of the transfer resource
Multiple subcarriers；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
11. according to the method described in claim 10, it is characterized in that, the quantitative value of the element in the non orthogonal transmissions code word
It is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
12. a kind of processing unit of resource impact, which is characterized in that including：
Map determining module, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource；
Sending module, for the method for mapping resource to be sent to terminal.
13. device according to claim 12, which is characterized in that the sending module includes：
The method for mapping resource is sent to terminal by sending submodule for passing through downlink transfer control channel；Wherein, described
Method for mapping resource is identified with default binary bits code.
14. device according to claim 12, which is characterized in that the mapping determining module includes：
Submodule is divided, for transfer resource to be divided into multiple subcarrier groups according to the packet mode made an appointment, per height
Carrier wave set includes multiple subcarriers；Wherein, multiple elements in the non orthogonal transmissions code word are respectively mapped to the multiple son
In carrier wave set；
Determination sub-module, the money that the packet mode for making an appointment according to determines non orthogonal transmissions code word to transfer resource
Source mapping method.
15. device according to claim 14, which is characterized in that the determination sub-module includes：
First determination unit, if being for the packet mode made an appointment：Continuous multiple subcarriers are divided into a son
Carrier wave set, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource are centralized mapping method；
Second determination unit, if being for the scheduled packet mode in advance：It will be divided into multiple subcarriers point of preset value
For a sub- carrier wave set, the method for mapping resource for determining non orthogonal transmissions code word to transfer resource is distributed mapping method.
16. device according to claim 15, which is characterized in that the quantitative value of the element in the non orthogonal transmissions code word
It is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
17. a kind of data transmission device, which is characterized in that including：
Receiving module, the method for mapping resource for receiving non orthogonal transmissions code word to transfer resource；
Transmission module, for according to non orthogonal transmissions code word and the method for mapping resource, carrying out after resource impact described
Data to be transmitted is sent on transfer resource.
18. device according to claim 17, which is characterized in that the transmission module includes：
Group determination sub-module, for according to the method for mapping resource, determining multiple subcarrier groups that transfer resource includes；Each
Subcarrier group includes multiple subcarriers；
Mapping submodule, for multiple elements in the non orthogonal transmissions code word to be respectively mapped to the multiple subcarrier group
On；
Submodule is transmitted, data to be transmitted is sent on the subcarrier of the transfer resource for completing after resource impact.
19. device according to claim 18, which is characterized in that the method for mapping resource includes：Centralized mapping side
Method and distributed mapping method；
When method for mapping resource is centralized mapping method, the subcarrier group includes continuous multiple sons of the transfer resource
Carrier wave；
When method for mapping resource is distributed mapping method, the subcarrier group is default comprising being divided between the transfer resource
Multiple subcarriers of value.
20. a kind of resource mapping apparatus, which is characterized in that including：
Group division module, for transfer resource to be divided into multiple subcarrier groups, each subcarrier group includes multiple subcarriers；
Element mapping block, for multiple elements in non orthogonal transmissions code word to be respectively mapped to the multiple subcarrier group
On.
21. device according to claim 20, which is characterized in that the subcarrier group includes the continuous of the transfer resource
Multiple subcarriers；Alternatively,
The subcarrier group includes multiple subcarriers that preset value is divided between the transfer resource.
22. device according to claim 21, which is characterized in that the quantitative value of the element in the non orthogonal transmissions code word
It is identical as the quantitative value of subcarrier group；
The preset value is identical as the quantitative value of subcarrier group.
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