CN104601210B - A kind of data transmission method of flood tide antenna system - Google Patents
A kind of data transmission method of flood tide antenna system Download PDFInfo
- Publication number
- CN104601210B CN104601210B CN201510054282.8A CN201510054282A CN104601210B CN 104601210 B CN104601210 B CN 104601210B CN 201510054282 A CN201510054282 A CN 201510054282A CN 104601210 B CN104601210 B CN 104601210B
- Authority
- CN
- China
- Prior art keywords
- communication node
- antenna
- bit
- data
- data bit
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 207
- 239000000284 extract Substances 0.000 claims abstract description 14
- 239000013598 vector Substances 0.000 claims description 30
- 238000013468 resource allocation Methods 0.000 claims description 22
- 239000011159 matrix material Substances 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 8
- 230000017105 transposition Effects 0.000 claims description 4
- 230000009897 systematic effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 17
- 238000004590 computer program Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000035772 mutation Effects 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 241001269238 Data Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention is suitable for the communications field, provides a kind of data transmission method of flood tide antenna system, this method includes：Y the first data bit flows of the first communication node transmission configured with M root antennas give the second communication node group, and the first data bit flow number is Bi, and the second communication node number is Yi；First communication node extracts Zi bit from the first data bit flow that the number is Bi according to the first pre-defined rule, forms the second data bit flow that the number is Bi；First communication node select according to the second pre-defined rule from the M roots antenna N roots antenna to send a second data bit flows of the Y to the second communication node group by way of multiuser multiplexing on identical running time-frequency resource according to the Z1+Z2+ ...+ZY selected bit streams.The present invention can reduce the power consumption, equipment cost and maintenance cost of whole system, and keep flood tide antenna system application more extensive.
Description
Technical field
The invention belongs to the communications field more particularly to a kind of data transmission methods of flood tide antenna system.
Background technology
The appearance of the intelligent terminals such as smart mobile phone, tablet computer results in the fluffy of wireless communication network data applied business
The exhibition of breaking out.And it cloud computing, Internet of Things, mobile Internet, mobile phone video phone, mobile video meeting, game on line, regards online
Frequently, Online Music, picture download, microblogging, community etc., have also driven the extensive increase of cordless communication network user, have led to nothing
The explosive growth of line data service.It is predicted according to authoritative institution, coming 10 years, wireless data service will increase 500-1000
Times, increase 1.6-2 times every year on average, this proposes very high requirement to the capacity of wireless communication system.
There are many ways to promoting wireless network capacitance, there are commonly：(1) increase spectral bandwidth；(2) reinforce business point
Stream；(3) network density is improved；(4) spectrum efficiency is promoted, in these methods, the spectrum efficiency based on multi-antenna technology is promoted
Method obtains very more concerns.
Multi-antenna technology evolves to MU-MIMO from SU-MIMO, and developing deeply is cooperative multipoint transmission technology (CoMP), development
Thinking is from the stability and peak flow for improving single-link to raising system entirety flow.But COMP is in the implementation, due to
Various difficult (for example, measuring the imbalance etc. of resource overhead and multipath power that channel, data interaction etc. are brought) causes
Performance is unsatisfactory, is extremely difficult to expected effect.
Under this background, the communication technology based on flood tide antenna is suggested, it is the extension of MIMO technology and prolongs
It stretches, essential characteristic is exactly that the antenna (from tens to thousands of) of flood tide is configured in base station side, using space division multiple access (SDMA) principle,
Serve multiple users simultaneously.The vast array gain come due to flood tide aerial band and interference mitigation gains so that cell is total
Spectrum efficiency and the spectrum efficiency of edge customer have obtained great promotion.
Flood tide antenna system is in actual transmissions data, since antenna amount is huge, can cause prodigious power consumption and
The increase of cost, the cost of equipment maintenance to cause operator improves, while wasting increasingly valuable energy resource,
The demand of the following green communications is not met.
Invention content
The purpose of the present invention is to provide a kind of data transmission methods of flood tide antenna system, are made with solving the prior art
When with flood tide antenna system, since antenna amount is huge, the increase of prodigious power consumption and cost can be caused, to cause
The cost of equipment maintenance of operator improves, while the problem of waste increasingly valuable energy resource.
In a first aspect, the present invention provides a kind of data transmission method of flood tide antenna system, the method includes：
Y the first data bit flows of the first communication node transmission configured with M root antennas give the second communication node group, described
Second communication node group includes Y the second communication nodes, wherein M is the integer more than or equal to 256, the first data ratio
Spy's stream number is Bi, and Bi is more than or equal to the 1, integer less than or equal to Y, and the second communication node number is Yi, and Yi is big
In or equal to 1, the integer less than or equal to Y, it is the second of Yi that the first data bit flow that the number is Bi, which corresponds to the number,
The reception antenna number of communication node, second communication node is R；
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, form Y the second data bit flows, wherein Zi is whole more than or equal to 0
Number；
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas not to send any data；
It is corresponding that the second communication node of each of the second communication node group decodes oneself on the running time-frequency resource
First data bit flow.
In the present invention, by from flood tide antenna system according to the side of scheduled regular selected section antenna transmission data
Method reduces the power consumption of whole system, reduces equipment cost and maintenance cost, so that it is met green communications demand, favorably
In economizing on resources, and keep flood tide antenna system application more extensive.
Description of the drawings
Fig. 1 is the implementation flow chart of the data transmission method of flood tide antenna system provided in an embodiment of the present invention；
Fig. 2 is the communication flow diagram of the data transmission method of flood tide antenna system provided in an embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually arbitrary combination.
The present invention from flood tide antenna system according to the method for certain regular selected section antenna transmission data by dropping
The power consumption of low whole system reduces equipment cost, meets green communications demand, make the scale application of flood tide antenna system
It is possibly realized.
The flood tide antenna system data transmission method of the present invention is as shown in Figure 1, at least include the following steps：
Step 102, the first communication node configured with M root antennas needs Y the first data bit flows of transmission logical to second
Believe that node group, the second communication node group include Y the second communication nodes, wherein M is the integer more than or equal to 256, institute
It is Bi to state the first data bit flow number, and Bi is the integer more than or equal to 1, and less than or equal to Y, and second communication node is compiled
Number it is Yi, Yi is more than or equal to the 1, integer less than or equal to Y, and the first data bit flow that the number is Bi corresponds to the volume
Number the second communication node for being Yi, the reception antenna number of second communication node is R；
Step 104, first communication node is predetermined according to first from the first data bit flow that the number is Bi
Zi bit of rule extraction, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi are formed
The second data bit flow that the number is Bi, and so on, form Y the second data bit flows, wherein Zi is to be more than or wait
In 0 integer；
Step 106, first communication node according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule
N roots antenna is selected to send by way of multiuser multiplexing the Y the on identical running time-frequency resource from the M roots antenna
Two data bit flows give the second communication node group, other M-N roots antennas not to send any data；
Step 108, the second communication node of each of described second communication node group decodes certainly on the running time-frequency resource
Oneself corresponding first data bit flow.
It is further illustrated the present invention below by Fig. 2 and specific embodiment, it is to be appreciated that the first communication in embodiment
Node can be the base station equipped with flood tide antenna, and the second communication node can be terminal.
Embodiment one
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes；
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, portion may be had in this process by forming Y the second data bit flows
The first data bit flow is divided to directly become the second data bit flow, i.e. Zi is equal to 0, wherein Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance.
Or first pre-defined rule be randomly select, or according to the system parameter message of first communication node generate,
Or first communication node negotiates determination with second communication node, the advantage of doing so is that becoming according to channel is practical
Change the bit that situation extracts suitable position, it is more flexible.
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas do not send any data, such as when M=256, are divided into X=64
Group, antenna group # are 0~63, and every group of antenna for including is all different, and when Y is equal to 3, each first data bit flow extracts 2
A bit forms " 000001 " bit stream, then select antenna group # for 1 corresponding four antenna transmissions of antenna sets 4 the
Two data bit flows give 4 corresponding second communication nodes, that is to say, that 4 antenna transmission datas are only needed in 256 antennas,
Remaining 252 antenna does not consume any power, to reduce the power consumption of whole system.
It is corresponding that the second communication node of each of the second communication node group decodes oneself on the running time-frequency resource
First data bit flow.
Preferably, the second communication node that the number is Yi is the second of Yi decoding the number corresponding with oneself
First communication node is received before bit stream is sent to the resource allocation information of oneself, if Zi is more than 0, the resource point
With precoding matrix information is carried in information, if Zi is equal to 0, pre-coding matrix letter is not carried in the resource allocation information
Breath.
Embodiment two
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes；
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, it forms Y the second data bit flows in this process, may there is portion
The first data bit flow is divided to directly become the second data bit flow, i.e. Zi is equal to 0, wherein Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance, or randomly select, or given birth to according to the system parameter message of first communication node
At or first communication node and second communication node negotiate it is determining, the advantage of doing so is that according to channel reality
Border situation of change extracts the bit of suitable position, more flexible；
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas not to send any data.
Such as M be equal to 256 when, be divided into C256 4=174792640 groups, antenna group # are 0-174792639, two groups of days
The antenna that line group includes an at least difference, when Y is equal to 4, each first data bit flow extracts 7 bits, formation length
For 28 bit stream, such as " 0000000000000000000000000001 ", then select antenna group # for 1 antenna sets pair
Four antenna transmissions, 4 the second data bit flows answered give 4 corresponding second communication nodes, that is to say, that in 256 antennas
4 antenna transmission datas are only needed, remaining 252 antenna does not consume any power, to reduce the power consumption of whole system.
Preferably, if there was only an antenna difference between two antenna sets, the number difference between them
It is+1 or -1, the benefit done so effectively reduces influence of the erroneous judgement of selection antenna to whole system performance.
It is corresponding that the second communication node of each of the second communication node group decodes oneself on the running time-frequency resource
First data bit flow.
Preferably, the second communication node that the number is Yi is the second of Yi decoding the number corresponding with oneself
First communication node is received before bit stream is sent to the resource allocation information of oneself, if Zi is more than 0, the resource point
With precoding matrix information is carried in information, if Zi is equal to 0, pre-coding matrix letter is not carried in the resource allocation information
Breath.
Embodiment three
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes.
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, form Y the second data bit flows.There may be part the first data ratio
Special stream directly becomes the second data bit flow, i.e. Zi is equal to 0, wherein Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance, or randomly select, or given birth to according to the system parameter message of first communication node
At or first communication node and second communication node negotiate it is determining, the advantage of doing so is that according to channel reality
Border situation of change extracts the bit of suitable position, more flexible.
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas not to send any data.
Such as M be equal to 256 when, be divided into X=C256 4=174792640 groups, antenna group # are 0~174792639, two
The antenna at least difference that group antenna sets include, when Y is equal to 4, it is assumed that the second communication node processing capacity that number is 1 is most
Low, the second communication node processing capacity that number is 2 is most strong, then the second communication node that number is 1 extracts 2 bits, number
Extract 4 bits for 2 the second communication node, the second communication node that number is 3 extracts 8 bits, number be 4 it is second logical
Believe that node extracts 14 bits, the bit stream that formation length is 28.
Such as " 0000000000000000000000000001 ", then select antenna group # corresponding for 1 antenna sets
Four antenna transmissions, 4 the second data bit flows give 4 corresponding second communication nodes, that is to say, that are only needed in 256 antennas
4 antenna transmission datas are wanted, remaining 252 antenna does not consume any power, to reduce the power consumption of whole system.
Preferably, if there was only an antenna difference between two antenna sets, the number difference between them
It is+1 or -1, the benefit done so effectively reduces influence of the erroneous judgement of selection antenna to whole system performance.
Preferably, the second communication node of each of described second communication node group decodes oneself on the running time-frequency resource
Corresponding first data bit flow.
Preferably, the second communication node that the number is Yi is the second of Yi decoding the number corresponding with oneself
Before bit stream, receives first communication node and be sent to the resource allocation information of oneself, if Zi is more than 0, the resource
Precoding matrix information is carried in distribution information, if Zi is equal to 0, pre-coding matrix is not carried in the resource allocation information
Information.
Example IV
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes；
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, form Y the second data bit flows, it is possible to which there are part the first data ratios
Special stream directly becomes the second data bit flow, i.e. Zi is equal to 0.Wherein, Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance, or randomly select, or given birth to according to the system parameter message of first communication node
At or first communication node and second communication node negotiate it is determining, the advantage of doing so is that according to channel reality
Border situation of change extracts the bit of suitable position, more flexible；
Preferably, first communication node according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule
N roots antenna is selected to send by way of multiuser multiplexing the Y the on identical running time-frequency resource from the M roots antenna
Two data bit flows give the second communication node group, other M-N roots antennas not to send any data.
Preferably, the second communication node of each of described second communication node group decodes oneself on the running time-frequency resource
Corresponding first data bit flow.
Preferably, the second communication node that the number is Yi is the second of Yi decoding the number corresponding with oneself
First communication node is received before bit stream is sent to the resource allocation information of oneself, if Zi is equal to 0, the resource allocation
Precoding matrix information is not carried in information, then the second communication node that the number is Yi need not judge first communication
Node selects the second bit stream described in which N root antenna transmission from the M roots antenna, that is to say, that second communication node corresponds to
The first data bit flow be not extracted any bit.
Embodiment five
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes.
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, form Y the second data bit flows, it is possible to which there are part the first data ratios
Special stream directly becomes the second data bit flow, i.e. Zi is equal to 0.Wherein, Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance, or randomly select, or given birth to according to the system parameter message of first communication node
At or first communication node and second communication node negotiate it is determining, the advantage of doing so is that according to channel reality
Border situation of change extracts the bit of suitable position, more flexible.
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas not to send any data.
Preferably, the second communication node of each of described second communication node group decodes oneself on the running time-frequency resource
Corresponding first data bit flow.
Preferably, it is described number be the M roots antenna known to the second communication node of Yi arrive the channel information H of oneself, tie up
Degree is R*M, and the baseband signal obtained from the running time-frequency resource is D, dimension R*1, the second communication section that the number is Yi
Point passes through HH* D operations obtain M*1 dimension antenna judgement vectors, and N number of element that amplitude maximum is selected in vector is judged from the antenna
And their positions in the antenna judges vector are recorded, N number of element judges that the position in vector is true in the antenna
It is set to N number of antenna that first communication node is selected from the M roots antenna, and then determines the day where N number of antenna
Line group T, wherein ()HFor conjugate transposition operation.
For example M=128, N=4, Y=4, all antennas are divided into X=C256 4=174792640 groups, antenna group # are 0
~174792639, the second communication node that number is 1 passes through HH* it is maximum to obtain 128*1 dimension antenna judgement vector magnitudes for D operations
N number of element be located at position 1, position 5 in antenna judgement vector, position 100, position 160, then number be 1 it is second logical
It is oneself transmission data that letter node, which judges that the first communication node selects this 4 antennas from 128 antennas,.
Assuming that this corresponding antenna group # of four antennas is 1, decimal number 1 is converted into 28 binary bit streams
After " 0000000000000000000000000001 ", the second communication node that number is 1 selects preceding 8 bits " 00000000 "
As the bit sequence extracted from oneself corresponding first bit stream, similarly, according to this method, the second of number 2,3,4
Communication node also can successfully judge that 4 antennas during antenna group # is 1 are oneself transmission data, select successively bit sequence for
" 00000000 ", " 00000000 ", " 00000001 " are as the bit sequence extracted from oneself corresponding first bit stream.
It is converted in the T values preferably, carrying the second communication node that the number is Yi in the resource allocation information
For the initial bits position of corresponding Zi bit in binary bit stream.
Preferably, the resource allocation information cyclic redundancy check bits sequence is converted to binary bits with the T values
In stream with initial bits location expression information progress exclusive or that the number is the corresponding Zi bit of the second communication node of Yi
Operation, corresponding second communication node need to determine the initial position by blind examination when carrying out cyclic redundancy check.
Preferably, second communication node determines that the T values are converted to binary bit stream according to the number Yi of oneself
In oneself corresponding Zi bit initial bits position.
Preferably, the second communication node of part is only needed to determine antenna sets code T in the second communication node group, it is described
The second communication node of part again notifies the information comprising the antenna sets code T to other in the second communication node group
Terminal, such as Y=4, it is only necessary to which the second communication node that number is 1 determines antenna group #, and then the terminal will include institute again
The information for stating antenna sets code T notifies the terminal for being 2/3/4 to the number in the second communication node group, the benefit done so
It is that of avoiding the operation that multiple second communication nodes all do repetition, increases the stand-by time of the second communication node.
Embodiment six
The first communication node configured with M root antennas needs to transmit Y the first data bit flows to the second communication node group,
The second communication node group includes Y the second communication nodes；
First communication node is extracted from the first data bit flow that the number is Bi according to the first pre-defined rule
Zi bit, the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi form the number
For the second data bit flow of Bi, and so on, form Y the second data bit flows, it is possible to which there are part the first data ratios
Special stream directly becomes the second data bit flow, i.e. Zi is equal to 0.Wherein, Zi is the integer more than or equal to 0.
Preferably, first pre-defined rule is extracted at equal intervals, and the benefit done so is realized simply, and letter can be effectively antagonized
The influence of road mutation, lifting system performance, or randomly select, or given birth to according to the system parameter message of first communication node
At or first communication node and second communication node negotiate it is determining, the advantage of doing so is that according to channel reality
Border situation of change extracts the bit of suitable position, more flexible；
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from the M
N roots antenna is selected to send the Y the second data by way of multiuser multiplexing on identical running time-frequency resource in root antenna
Bit stream gives the second communication node group, other M-N roots antennas not to send any data.
It is corresponding that the second communication node of each of the second communication node group decodes oneself on the running time-frequency resource
First data bit flow, it is preferable that the second communication node that the number is Yi is decoding the volume corresponding with oneself
Number to receive first communication node before the second bit stream of Yi and be sent to the resource allocation information of oneself, the resource allocation
Precoding matrix information is carried in information.
Preferably, it is described number be the M roots antenna known to the second communication node of Yi arrive the channel information H of oneself, tie up
Degree is R*M, and the baseband signal obtained from the running time-frequency resource is D, and dimension R*1 is obtained from the resource allocation information
Pre-coding matrix Pi, the second communication node that the number is Yi pass through HH* D operations obtain M*1 dimension antenna judgement vectors, from institute
It states C element of selection amplitude maximum in antenna judgement vector and records their positions in the antenna judges vector, from
Select N number of element to form Q dimension in the C element makes Pi for the vector of N*1 in Q vector QjH* the width that Qj is obtained
It is worth the corresponding N number of element of maximum vector, is described the by location determination of the N number of element in the antenna judges vector
N number of antenna that one communication node is selected from the M roots antenna, and then determine the antenna sets T where N number of antenna, wherein
(.)HFor conjugate transposition operation, such as M=128, N=4, Y=4, C=5, all antennas are divided into X=C256 4=174792640
Group, antenna group # are 0~174792639, and the second communication node that number is 1 passes through HH* D operations obtain 128*1 dimension antennas
It is the vector of 4*1 to judge that maximum 5 elements of vector magnitude form 5 dimensions, passes through publicity PiH* (any in 5 vectors
Vector) 5 amplitudes are obtained, the vector of amplitude maximum is located at position 1, position 5 in antenna judgement vector, position 100, position
160, then the second communication node that number is 1 judges that the first communication node selects this 4 antennas for certainly from 128 antennas
Own transmission data, it is assumed that this corresponding antenna group # of four antennas is 1, and decimal number 1 is converted to 28 binary bits
After flowing " 0000000000000000000000000001 ", the second communication node that number is 1 selects preceding 8 bits
" 00000000 " as the bit sequence extracted from oneself corresponding first bit stream, similarly, according to this method, number 2,
3,4 the second communication node also can successfully judge that 4 antennas during antenna group # is 1 are oneself transmission data, select successively
Bit sequence " 00000000 ", " 00000000 ", " 00000001 " are used as and are extracted from oneself corresponding first bit stream
Bit sequence.
It is converted in the T values preferably, carrying the second communication node that the number is Yi in the resource allocation information
For the initial bits position of corresponding Zi bit in binary bit stream.
Preferably, the resource allocation information cyclic redundancy check bits sequence is converted to binary bits with the T values
In stream with initial bits location expression information progress exclusive or that the number is the corresponding Zi bit of the second communication node of Yi
Operation, corresponding second communication node need to determine the initial position by blind examination when carrying out cyclic redundancy check.
Preferably, second communication node determines that the T values are converted to binary bit stream according to the number Yi of oneself
In oneself corresponding Zi bit initial bits position.
Preferably, the second communication node of part is only needed to determine antenna sets code T in the second communication node group, it is described
The second communication node of part again notifies the information comprising the antenna sets code T to other in the second communication node group
Terminal, such as Y=4, it is only necessary to which the second communication node that number is 1 determines antenna group #, and then the terminal will include institute again
The information for stating antenna sets code T notifies the terminal for being 2/3/4 to the number in the second communication node group, the benefit done so
It is that of avoiding the operation that multiple second communication nodes all do repetition, increases the stand-by time of the second communication node.
The method proposed by this patent, can reduce the power of whole system under the premise of meeting future communications demand
Consumption and cost, meet green communications demand, make it possible the scale commercialization of flood tide antenna system.
If supporting the method and apparatus for improving data packet transmission performance with software function module described in the embodiment of the present invention
Form realize and when sold or used as an independent product, a computer read/write memory medium can also be stored in
In.Based on this understanding, it should be understood by those skilled in the art that, embodiments herein can be provided as method, system or
Computer program product.Therefore, the application can be used complete hardware embodiment, complete software embodiment or in conjunction with software and firmly
The form of embodiment in terms of part.Moreover, it wherein includes computer available programs generation that the application, which can be used in one or more,
The form for the computer program product implemented in the computer-usable storage medium of code, the storage medium includes but not limited to U
Disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), magnetic disk storage, CD-ROM, optical memory etc..
The application be according to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product and/
Or block diagram describes.It should be understood that each flow that can be realized by computer program instructions in flowchart and/or the block diagram and/
Or the combination of the flow and/or box in box and flowchart and/or the block diagram.These computer program instructions can be provided
To all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor to generate one
A machine so that by the instruction that computer or the processor of other programmable data processing devices execute generate for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Correspondingly, the embodiment of the present invention also provides a kind of computer storage media, wherein it is stored with computer program, the meter
Calculation machine program is used to execute the method and apparatus that the support of the embodiment of the present invention improves data packet transmission performance.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (9)
1. a kind of data transmission method of flood tide antenna system, which is characterized in that the method includes：
The first communication node transmission Y the first data bit flows configured with M root antennas give the second communication node group, and described second
Communication node group includes Y the second communication nodes, wherein M is the integer more than or equal to 256, first data bit flow
Number is Bi, and Bi is more than or equal to the 1, integer less than or equal to Y, and the second communication node number is Yi, Yi be more than or
Equal to the 1, integer less than or equal to Y, the first data bit flow that the number is Bi corresponds to the second communication that the number is Yi
The reception antenna number of node, second communication node is R；
First communication node extracts Zi from the first data bit flow that the number is Bi according to the first pre-defined rule
Bit, it is Bi that the bit stream numbered after removing the Zi bit in the first data bit flow for being Bi, which forms the number,
The second data bit flow, and so on, form Y the second data bit flows, wherein Zi is the integer more than or equal to 0；
First communication node is according to the Z1+Z2+ ...+ZY selected bit streams according to the second pre-defined rule from M roots day
N roots antenna is selected to send the Y the second data bits by way of multiuser multiplexing on identical running time-frequency resource in line
It flows to the second communication node group, other M-N roots antennas do not send any data, and second pre-defined rule includes：By institute
It states M root antennas and is divided into X antenna sets, antenna group # is Gj, wherein Gj is the integer more than or equal to 0 and less than X, each
Antenna sets include N root antennas, and corresponding antenna sets are compiled after becoming decimal number according to (Z1+Z2+ ...+ZY) a bits switch
The N roots antenna that number T includes is as the N root antennas；
It is corresponding described that the second communication node of each of the second communication node group decodes oneself on the running time-frequency resource
First data bit flow.
2. method according to claim 1, which is characterized in that first communication node is counted from first that the number is Bi
It is according to Zi bit step is extracted according to the first pre-defined rule in bit stream：
First communication node from it is described number be Bi the first data bit flow according to extracted at equal intervals, randomly select or
Person negotiates to determine, take out according to the systematic parameter of first communication node, or by the first communication node and the second communication node
Take Zi bit.
3. method according to claim 1, which is characterized in that between each two antenna sets in the X antenna sets at least
Having between each two antenna sets in an antenna difference or X antenna sets does not have an antenna identical.
4. method according to claim 1, which is characterized in that the method further includes：
If carrying precoding matrix information Pi in the resource allocation information that the second communication node that the number is Yi receives,
Then second communication node is it needs to be determined that first communication node selects the group # for T from the X antenna sets
Antenna sets be oneself service, the T values are converted to after binary bit stream found from the binary bit stream with from
Oneself corresponding Zi bit.
5. method according to claim 4, it is characterised in that：
The initial bits position of Zi bit, the second communication section that the Zi is Yi with number are carried in the resource allocation information
Point is corresponding in the T values are converted to binary bit stream；
Second communication node is according to the number Yi of oneself, in the T values are converted to binary bit stream, determines described
The initial bits position of the corresponding Zi bit of number Yi of two communication nodes.
6. method according to claim 4, which is characterized in that the method further includes：
The second communication node that the number is Yi obtains the M roots antenna to the channel information H of oneself, dimension R*M, from
Pre-coding matrix Pi is obtained in the resource allocation information, dimension N*1 obtains baseband signal D from the running time-frequency resource,
Its dimension is R*1, and the second communication node that the number is Yi passes through HH* D operations obtain M*1 dimension antenna judgement vectors, from institute
It states C element of selection amplitude maximum in antenna judgement vector and records their positions in the antenna judges vector, from
Select N number of element to form Q dimension in the C element makes Pi for the vector of N*1 in Q vector QjH* the width that Qj is obtained
It is worth the corresponding N number of element of maximum vector, is described the by location determination of the N number of element in the antenna judges vector
N number of antenna that one communication node is selected from the M roots antenna, and then determine the antenna sets T where N number of antenna, wherein
C is greater than or equal to N, is less than M, ()HFor conjugate transposition operation.
7. method according to claim 4, which is characterized in that the method further includes：
The number is the M roots antenna known to the second communication node of Yi to the channel information H of oneself, dimension R*M, from institute
It states and obtains pre-coding matrix Pi in resource allocation information, dimension N*1, the baseband signal obtained from the running time-frequency resource is D,
Dimension is R*1, and the second communication node that the number is Yi passes through HH* D operations obtain M*1 dimension antenna judgement vectors, from described
N number of element of amplitude maximum is selected in antenna judgement vector and records their positions in the antenna judges vector, the N
Location determination of a element in the antenna judges vector is the N that first communication node is selected from the M roots antenna
A antenna, and then determine the antenna sets T where N number of antenna, wherein ()HFor conjugate transposition operation.
8. method according to claim 1, which is characterized in that the method further includes：
The second communication node that the number is Yi connects before decoding the second bit stream that the number corresponding with oneself is Yi
It receives first communication node and is sent to the resource allocation information of oneself, if Zi is more than 0, taken in the resource allocation information
Band precoding matrix information does not carry precoding matrix information if Zi is equal to 0 in the resource allocation information.
9. method according to claim 1, which is characterized in that from the first data of each of Y first data bit flows
The bit number extracted in bit stream the processing capacity of the second communication node corresponding to first data bit flow is directly proportional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054282.8A CN104601210B (en) | 2015-01-30 | 2015-01-30 | A kind of data transmission method of flood tide antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054282.8A CN104601210B (en) | 2015-01-30 | 2015-01-30 | A kind of data transmission method of flood tide antenna system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104601210A CN104601210A (en) | 2015-05-06 |
| CN104601210B true CN104601210B (en) | 2018-07-27 |
Family
ID=53126760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054282.8A Expired - Fee Related CN104601210B (en) | 2015-01-30 | 2015-01-30 | A kind of data transmission method of flood tide antenna system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104601210B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200556B (en) * | 2018-01-16 | 2019-05-21 | 深圳职业技术学院 | A kind of highly reliable business transmitting method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938301B (en) * | 2009-06-29 | 2013-04-17 | 大唐移动通信设备有限公司 | Method and equipment for sending multi-user MIMO |
| CN102316597B (en) * | 2010-06-30 | 2015-04-22 | 中兴通讯股份有限公司 | Resource scheduling method and device for multiple input multiple output (MIMO) system |
| CN103516486B (en) * | 2012-06-19 | 2018-08-07 | 中兴通讯股份有限公司 | Multi-antenna transmission method, method of reseptance and device based on vector selection modulation |
| US9094064B2 (en) * | 2013-04-15 | 2015-07-28 | Broadcom Corporation | Systems and methods for beamforming in a massive MIMO system |
| CN103532607B (en) * | 2013-10-23 | 2016-09-28 | 东南大学 | The selection antenna for base station of extensive mimo system and user terminal method |
| CN104716998A (en) * | 2013-12-16 | 2015-06-17 | 中兴通讯股份有限公司 | Reference signal transmitting method and device |
| CN104184561B (en) * | 2014-01-13 | 2019-04-30 | 中兴通讯股份有限公司 | Precoded pilot processing method, device, base station and terminal |
| CN104113366A (en) * | 2014-07-29 | 2014-10-22 | 北京邮电大学 | Antenna selection method aiming at energy effectiveness of Massive MIMO (Multiple Input Multiple Output) communication system |
-
2015
- 2015-01-30 CN CN201510054282.8A patent/CN104601210B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104601210A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105429683B (en) | A kind of 3D MIMO transmission method and device | |
| Baeza et al. | Non-coherent massive SIMO system based on M-DPSK for Rician channels | |
| CN102421150B (en) | Joint user equipment scheduling and cluster formation for distributed antenna systems | |
| CN105375962B (en) | A kind of method sending and receiving reference signal and communication node | |
| CN103841644A (en) | Method, device and system for transmitting demodulation reference signals (DMRSs) | |
| US10080227B2 (en) | Apparatus and method for transmitting data signals in wireless communication system | |
| CN107645329A (en) | The transmission method and device of data | |
| CN106789803B (en) | Data communications method, device and base station | |
| CN108667492A (en) | A kind of determination method and apparatus of precoding granularity | |
| CN102957490B (en) | For interference elimination method and the equipment of enhancement mode downlink physical Dedicated Control Channel | |
| CN108288988A (en) | Transmission, receiving handling method, device and the base station of uplink reference signals, terminal | |
| CN107947841A (en) | Extensive MIMO non-orthogonal multiple system multiple antennas users are to dispatching method | |
| CN108604965B (en) | System and method for scheduling resources and pilot patterns to user terminals in a multi-user wireless network | |
| EP4167534A1 (en) | Method for transmitting ppdu and related apparatus | |
| CN104601210B (en) | A kind of data transmission method of flood tide antenna system | |
| EP3240343A1 (en) | Channel acquisition signal configuring and channel acquisition signal generating method and device | |
| CN104348764B (en) | The method and apparatus that computing unit is distributed in data receiver link | |
| CN104753573B (en) | A kind of method for realizing space division multiplexing, system, base station and terminal | |
| CN105917592B (en) | Information processing unit, network node and information processing method | |
| CN107592676B (en) | Data generation method and device, transmitter and terminal | |
| CN103181230B (en) | Control channel transmission method, apparatus and device | |
| CN102740480B (en) | Method and device for interference suppression of paired users | |
| CN108012331A (en) | Resource allocation methods and base station in LTE uplink multi-users virtual MIMO systems | |
| Da Costa et al. | IEEE access special section editorial: Non-orthogonal multiple access for 5G systems | |
| CN101953088A (en) | Orthogonal projection precoding and decoding method and equipment by using part CSI feedback |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |