CN104601210B - A kind of data transmission method of flood tide antenna system - Google Patents

Abstract

The present invention is applicable to the communication field, and provides a data transmission method for a massive antenna system, the method comprising: a first communication node configured with M antennas transmits Y first data bit streams to a second communication node group, so The number of the first data bit stream is Bi, and the number of the second communication node is Yi; the first communication node extracts Zi bits from the first data bit stream numbered Bi according to the first predetermined rule, forming The second data bit stream numbered Bi; the first communication node selects N antennas from the M antennas in the same Sending the Y second data bit streams to the second communication node group in a multi-user multiplexing manner on time-frequency resources. The invention can reduce the power consumption, equipment cost and maintenance cost of the whole system, and make the massive antenna system more widely used.

Description

A Data Transmission Method for Massive Antenna System

technical field

The invention belongs to the field of communication, and in particular relates to a data transmission method of a massive antenna system.

Background technique

The emergence of intelligent terminals such as smart phones and tablet computers has led to the vigorous development of data application services in wireless communication networks. Cloud computing, Internet of Things, mobile Internet, mobile phone video calls, mobile video conferencing, online games, online videos, online music, picture downloads, microblogs, communities, etc. have also driven a large-scale increase in wireless communication network users, resulting in wireless Explosive growth of data services. According to authoritative forecasts, in the next 10 years, wireless data services will increase by 500-1000 times, with an average annual increase of 1.6-2 times, which puts forward very high requirements on the capacity of wireless communication systems.

There are many ways to increase the capacity of the wireless network, the commonly used ones are: (1) increasing the spectrum bandwidth; (2) strengthening the traffic distribution; (3) increasing the network density; (4) improving the spectrum efficiency The spectral efficiency improvement method of the technology has received a lot of attention.

Multi-antenna technology has evolved from SU-MIMO to MU-MIMO, and then developed into coordinated multi-point transmission technology (CoMP). The development idea is to improve the stability and peak traffic of a single link to improve the overall traffic of the system. However, in the implementation of COMP, due to various difficulties (for example, resource overhead caused by measurement channels, data interaction, etc., and multipath power imbalance, etc.), the performance is not ideal, and it is difficult to achieve the expected effect.

In this context, a communication technology based on a huge number of antennas was proposed, which is an extension and extension of the MIMO technology. Its basic feature is to configure a huge number of antennas (from tens to thousands) Division multiple access (SDMA) principle, serving multiple users at the same time. Due to the huge array gain and interference suppression gain brought by a huge number of antennas, the overall spectral efficiency of the cell and the spectral efficiency of edge users have been greatly improved.

When a huge number of antenna systems actually transmit data, due to the huge number of antennas, it will cause a lot of power consumption and increase the cost, which will increase the maintenance cost of the operator's equipment and waste increasingly precious energy resources. The demand for future green communication.

Contents of the invention

The purpose of the present invention is to provide a data transmission method for a massive antenna system to solve the problem of large power consumption and cost increase due to the huge number of antennas in the prior art when using a massive antenna system Operators' equipment maintenance costs increase, and at the same time, increasingly precious energy resources are wasted.

In a first aspect, the present invention provides a data transmission method for a massive antenna system, the method comprising:

The first communication node configured with M antennas transmits Y first data bit streams to a second communication node group, and the second communication node group includes Y second communication nodes, wherein M is an integer greater than or equal to 256 , the number of the first data bit stream is Bi, Bi is an integer greater than or equal to 1 and less than or equal to Y, the number of the second communication node is Yi, and Yi is an integer greater than or equal to 1 and less than or equal to Y, the The first data bit stream numbered Bi corresponds to the second communication node numbered Yi, and the number of receiving antennas of the second communication node is R;

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams, wherein Zi is an integer greater than or equal to 0;

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not send any data;

Each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

In the present invention, the power consumption of the entire system is reduced by selecting some antennas from the massive antenna system according to predetermined rules to transmit data, reducing equipment costs and maintenance costs, making it meet the needs of green communication, which is conducive to saving resources. And make the massive antenna system more widely used.

Description of drawings

FIG. 1 is a flow chart of implementing a data transmission method for a massive antenna system provided by an embodiment of the present invention;

Fig. 2 is a communication flowchart of a data transmission method for a massive antenna system provided by an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

The present invention reduces the power consumption of the whole system by selecting some antennas according to a certain rule to send data from a massive antenna system, reduces equipment costs, meets green communication requirements, and makes the large-scale application of the massive antenna system possible.

The massive antenna system data transmission method of the present invention is shown in Figure 1, at least includes the following steps:

Step 102, the first communication node configured with M antennas needs to transmit Y first data bit streams to the second communication node group, and the second communication node group includes Y second communication nodes, where M is greater than or Integer equal to 256, the number of the first data bit stream is Bi, Bi is an integer greater than or equal to 1 and less than or equal to Y, the number of the second communication node is Yi, Yi is greater than or equal to 1, less than or equal to Y is an integer, the first data bit stream numbered Bi corresponds to the second communication node numbered Yi, and the number of receiving antennas of the second communication node is R;

Step 104, the first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and removes the Zi bits from the first data bit stream numbered Bi The subsequent bit stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams, wherein Zi is an integer greater than or equal to 0;

Step 106, the first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule to multiplex multiple users on the same time-frequency resource Send the Y second data bit streams to the second communication node group in a manner, and the other M-N antennas do not send any data;

Step 108, each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

The present invention is further described below with reference to FIG. 2 and specific embodiments. It should be noted that the first communication node in the embodiment may be a base station equipped with a large number of antennas, and the second communication node may be a terminal.

Embodiment one

The first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, and the second communication node group includes Y second communication nodes;

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams. In this process, there may be some first data bit streams that directly become the second data bit streams. That is, Zi is equal to 0, where Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals, which has the advantage of being simple to realize, effectively resisting the influence of sudden channel changes, and improving system performance.

Or the first predetermined rule is randomly selected, or generated according to the system parameter information of the first communication node, or determined through negotiation between the first communication node and the second communication node. It is more flexible to extract the bits at the appropriate position in case of change.

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not transmit any data. For example, when M=256, they are divided into X=64 groups, and the antenna group numbers are 0-63. Each group includes The antennas are all different, and when Y is equal to 3, 2 bits are extracted from each first data bit stream to form a "000001" bit stream, and the four antennas corresponding to the antenna group whose antenna group number is 1 are selected to transmit 4 second data bits. The data bit stream is sent to 4 corresponding second communication nodes, that is to say, only 4 antennas need to transmit data among the 256 antennas, and the remaining 252 antennas do not consume any power, thereby reducing the power consumption of the entire system.

Each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

Preferably, the second communication node numbered Yi receives the resource allocation information sent to itself by the first communication node before decoding the second bit stream numbered Yi corresponding to itself, if Zi is greater than 0, Then the resource allocation information carries precoding matrix information, and if Zi is equal to 0, the resource allocation information does not carry precoding matrix information.

Embodiment two

The first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, and the second communication node group includes Y second communication nodes;

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi flow to form the second data bit stream numbered Bi, and so on, to form Y second data bit streams. In this process, there may be some first data bit streams that directly become the second data bit streams, namely Zi is equal to 0, where Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals. The benefits of this are simple to implement, can effectively counteract the impact of channel mutations, improve system performance, or randomly extract, or generate according to the system parameter information of the first communication node , or determined through negotiation between the first communication node and the second communication node, the advantage of this is that it is more flexible to extract bits at appropriate positions according to actual channel changes;

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not send any data.

For example, when M is equal to 256, it is divided into C ₂₅₆ ⁴ =174792640 groups, and the antenna group number is 0-174792639. At least one of the antennas contained in the two antenna groups is different. When Y is equal to 4, each first data bit stream extracts 7 bits to form a bit stream with a length of 28, such as "0000000000000000000000000001", then select the four antennas corresponding to the antenna group whose antenna group number is 1 to transmit 4 second data bit streams to the 4 corresponding second communication nodes, that is It is said that only 4 antennas need to transmit data among the 256 antennas, and the remaining 252 antennas do not consume any power, thereby reducing the power consumption of the entire system.

Preferably, if only one antenna is different between the two antenna groups, the number difference between them is +1 or -1, which effectively reduces the impact of misjudgment of antenna selection on the performance of the entire system. influences.

Each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

Preferably, the second communication node numbered Yi receives the resource allocation information sent to itself by the first communication node before decoding the second bit stream numbered Yi corresponding to itself, if Zi is greater than 0, Then the resource allocation information carries precoding matrix information, and if Zi is equal to 0, the resource allocation information does not carry precoding matrix information.

Embodiment three

A first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, where the second communication node group includes Y second communication nodes.

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and by analogy, Y second data bit streams are formed. There may be a part of the first data bit stream that directly becomes the second data bit stream, that is, Zi is equal to 0, where Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals. The benefits of this are simple to implement, can effectively counteract the impact of channel mutations, improve system performance, or randomly extract, or generate according to the system parameter information of the first communication node , or determined through negotiation between the first communication node and the second communication node. The advantage of doing this is that it is more flexible to extract bits at appropriate positions according to actual channel changes.

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not send any data.

For example, when M is equal to 256, it is divided into X=C ₂₅₆ ⁴ =174792640 groups, and the number of antenna groups is 0 to 174792639. At least one of the antennas contained in the two antenna groups is different. When Y is equal to 4, it is assumed that the second communication number is 1 The node has the lowest processing ability, and the second communication node numbered 2 has the strongest processing ability, so the second communication node numbered 1 extracts 2 bits, the second communication node numbered 2 extracts 4 bits, and the second communication node numbered 3 extracts 4 bits. The second communication node extracts 8 bits, and the second communication node numbered 4 extracts 14 bits to form a bit stream with a length of 28.

For example, "0000000000000000000000000001", select the four antennas corresponding to the antenna group whose antenna group number is 1 to transmit 4 second data bit streams to the 4 corresponding second communication nodes, that is to say, only 4 antennas are needed among the 256 antennas Sending data, the remaining 252 antennas do not consume any power, thereby reducing the power consumption of the entire system.

Preferably, if only one antenna is different between the two antenna groups, the number difference between them is +1 or -1, which effectively reduces the impact of misjudgment of antenna selection on the performance of the entire system. influences.

Preferably, each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

Preferably, the second communication node numbered Yi receives the resource allocation information sent to itself by the first communication node before decoding the second bit stream numbered Yi corresponding to itself, if Zi is greater than 0 , the resource allocation information carries precoding matrix information, and if Zi is equal to 0, the resource allocation information does not carry precoding matrix information.

Embodiment Four

The first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, and the second communication node group includes Y second communication nodes;

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams, and it is possible that part of the first data bit stream directly becomes the second data bit stream, that is, Zi is equal to 0. Wherein, Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals. The benefits of this are simple to implement, can effectively counteract the impact of channel mutations, improve system performance, or randomly extract, or generate according to the system parameter information of the first communication node , or determined through negotiation between the first communication node and the second communication node, the advantage of this is that it is more flexible to extract bits at appropriate positions according to actual channel changes;

Preferably, the first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule to multiplex multiple users on the same time-frequency resource Send the Y second data bit streams to the second communication node group in a manner, and the other M-N antennas do not send any data.

Preferably, each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

Preferably, the second communication node numbered Yi receives the resource allocation information sent to itself by the first communication node before decoding the second bit stream numbered Yi corresponding to itself, if Zi is equal to 0, If the resource allocation information does not carry precoding matrix information, the second communication node numbered Yi does not need to judge which N antennas the first communication node selects from the M antennas to transmit the second The bit stream, that is to say, the first data bit stream corresponding to the second communication node has no bit extracted.

Embodiment five

A first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, where the second communication node group includes Y second communication nodes.

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams, and it is possible that part of the first data bit stream directly becomes the second data bit stream, that is, Zi is equal to 0. Wherein, Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals. The benefits of this are simple to implement, can effectively counteract the impact of channel mutations, improve system performance, or randomly extract, or generate according to the system parameter information of the first communication node , or determined through negotiation between the first communication node and the second communication node. The advantage of doing this is that it is more flexible to extract bits at appropriate positions according to actual channel changes.

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not send any data.

Preferably, each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource.

Preferably, the second communication node numbered Yi knows the channel information H from the M antennas to itself, the dimension is R*M, the baseband signal obtained from the time-frequency resource is D, and the dimension is R *1, the second communication node numbered Yi obtains the M*1-dimensional antenna decision vector through H ^H *D operation, selects the N elements with the largest amplitude from the antenna decision vector and records them in the antenna The position in the decision vector, the position of the N elements in the antenna decision vector is determined as the N antennas selected by the first communication node from the M antennas, and then the location where the N antennas are located is determined. Antenna group T, where (.) ^H is the conjugate transpose operation.

For example, M=128, N=4, Y=4, all antennas are divided into X=C ₂₅₆ ⁴ =174792640 groups, the antenna group number is 0～174792639, and the second communication node numbered 1 obtains 128 through H ^H *D operation *The N elements with the largest magnitude of the 1-dimensional antenna decision vector are located at positions 1, 5, 100, and 160 in the antenna decision vector, then the second communication node numbered 1 determines that the first communication node is from the 128 Select these 4 antennas to send data for itself.

Assuming that the antenna group number corresponding to these four antennas is 1, after the decimal number 1 is converted into a 28-bit binary bit stream "0000000000000000000000000001", the second communication node numbered 1 selects the first 8 bits "00000000" as its corresponding The bit sequence extracted from the first bit stream, similarly, according to this method, the second communication nodes numbered 2, 3, and 4 will also successfully determine that the 4 antennas in the antenna group numbered 1 are sending data for themselves, and select The bit sequences are "00000000", "00000000", and "00000001" as bit sequences extracted from their corresponding first bit streams.

Preferably, the resource allocation information carries the starting bit positions of the corresponding Zi bits in the binary bit stream converted from the T value of the second communication node numbered Yi.

Preferably, the resource allocation information cyclic redundancy check bit sequence and the T value are converted into starting bit position description information of Zi bits corresponding to the second communication node numbered Yi in the binary bit stream The XOR operation is performed, corresponding to the fact that the second communication node needs to determine the starting position through blind detection when performing a cyclic redundancy check.

Preferably, the second communication node determines, according to its number Yi, the starting bit position of converting the T value into its corresponding Zi bits in the binary bit stream.

Preferably, only part of the second communication nodes in the second communication node group need to determine the antenna group number T, and the part of the second communication nodes will notify the second communication node of the information containing the antenna group number T Other terminals in the node group, such as Y=4, only need the second communication node numbered 1 to determine the antenna group number, and then the terminal notifies the second communication node group of the information including the antenna group number T The terminal numbered 2/3/4 in the terminal has the advantage of avoiding repeated operations by multiple second communication nodes and increasing the standby time of the second communication nodes.

Embodiment six

The first communication node configured with M antennas needs to transmit Y first data bit streams to a second communication node group, and the second communication node group includes Y second communication nodes;

The first communication node extracts Zi bits from the first data bit stream numbered Bi according to a first predetermined rule, and the bit after removing the Zi bits from the first data bit stream numbered Bi The stream forms the second data bit stream numbered Bi, and so on, forming Y second data bit streams, and it is possible that part of the first data bit stream directly becomes the second data bit stream, that is, Zi is equal to 0. Wherein, Zi is an integer greater than or equal to 0.

Preferably, the first predetermined rule is extraction at equal intervals. The benefits of this are simple to implement, can effectively counteract the impact of channel mutations, improve system performance, or randomly extract, or generate according to the system parameter information of the first communication node , or determined through negotiation between the first communication node and the second communication node, the advantage of this is that it is more flexible to extract bits at appropriate positions according to actual channel changes;

The first communication node selects N antennas from the M antennas according to the selected Z1+Z2+...+ZY bit streams according to the second predetermined rule, and sends them on the same time-frequency resource through multi-user multiplexing The Y second data bit streams are sent to the second communication node group, and the other M-N antennas do not send any data.

Each second communication node in the second communication node group decodes its corresponding first data bit stream on the time-frequency resource, preferably, the second communication node numbered Yi decodes and The second bit stream numbered Yi corresponding to itself receives resource allocation information sent to itself by the first communication node before, and the resource allocation information carries precoding matrix information.

Preferably, the second communication node numbered Yi knows the channel information H from the M antennas to itself, the dimension is R*M, the baseband signal obtained from the time-frequency resource is D, and the dimension is R *1, obtain the precoding matrix Pi from the resource allocation information, the second communication node numbered Yi obtains the M*1-dimensional antenna decision vector through the H ^H *D operation, and selects the antenna decision vector from the antenna decision vector C elements with the largest value and record their positions in the antenna decision vector, select N elements from the C elements to form Q vectors with a dimension of N*1, among the Q vectors Qj, make Pi The N elements corresponding to the vector with the largest amplitude obtained by ^H *Qj, and determining the positions of the N elements in the antenna decision vector as the N elements selected by the first communication node from the M antennas antenna, and then determine the antenna group T where the N antennas are located, where (.) ^H is a conjugate transpose operation, such as M=128, N=4, Y=4, C=5, and all antennas are divided into X= C ₂₅₆ ⁴ = 174792640 groups, the number of antenna groups is 0 to 174792639, and the second communication node numbered 1 obtains a 128*1-dimensional antenna through H ^H *D operation. The 5 elements with the largest magnitude of the antenna decision vector form 5 dimensions as For a vector of 4*1, 5 amplitudes are obtained by publicizing Pi ^H * (any vector among the 5 vectors), and the vector with the largest amplitude is located at position 1, position 5, position 100, and position 160 in the antenna decision vector , then the second communication node numbered 1 determines that the first communication node selects these 4 antennas from the 128 antennas to send data for itself, assuming that the antenna group number corresponding to these 4 antennas is 1, convert the decimal number 1 After the 28-bit binary bit stream "0000000000000000000000000001", the second communication node numbered 1 selects the first 8 bits "00000000" as the bit sequence extracted from its corresponding first bit stream. Similarly, according to this method, the number The second communication nodes of 2, 3, and 4 will also successfully determine that the 4 antennas in the antenna group number 1 are sending data for themselves, and sequentially select the bit sequences "00000000", "00000000", and "00000001" as their corresponding The bit sequence extracted from the first bitstream of .

Preferably, the resource allocation information carries the starting bit positions of the corresponding Zi bits in the binary bit stream converted from the T value of the second communication node numbered Yi.

Preferably, the resource allocation information cyclic redundancy check bit sequence and the T value are converted into starting bit position description information of Zi bits corresponding to the second communication node numbered Yi in the binary bit stream The XOR operation is performed, corresponding to the fact that the second communication node needs to determine the starting position through blind detection when performing a cyclic redundancy check.

Preferably, the second communication node determines, according to its number Yi, the starting bit position of converting the T value into its corresponding Zi bits in the binary bit stream.

Preferably, only part of the second communication nodes in the second communication node group need to determine the antenna group number T, and the part of the second communication nodes will notify the second communication node of the information containing the antenna group number T Other terminals in the node group, such as Y=4, only need the second communication node numbered 1 to determine the antenna group number, and then the terminal notifies the second communication node group of the information including the antenna group number T The terminal numbered 2/3/4 in the terminal has the advantage of avoiding repeated operations by multiple second communication nodes and increasing the standby time of the second communication nodes.

Through the method proposed in this patent, the power consumption and cost of the entire system can be reduced on the premise of meeting future communication needs, meeting the needs of green communication, and making it possible to commercialize large-scale antenna systems.

If the method and device for supporting improved data packet transmission performance in the embodiments of the present invention are implemented in the form of software function modules and sold or used as an independent product, they can also be stored in a computer-readable storage medium. Based on such understanding, those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application may take the form of a computer program product implemented on one or more computer-usable storage media containing computer-usable program code therein, including but not limited to U disk, removable hard disk, read-only memory ( ROM, Read-Only Memory), disk storage, CD-ROM, optical storage, etc.

The present application is described according to the flowcharts and/or block diagrams of the methods, devices (systems), and computer program products of the embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

Correspondingly, an embodiment of the present invention also provides a computer storage medium, in which a computer program is stored, and the computer program is used to execute the method and apparatus for supporting improved data packet transmission performance in the embodiment of the present invention.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection 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 H^H* 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 Qj^H* 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 H^H* 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.