阅读说明：本技术 2t6r对称天线系统及多输入多输出的功率均衡方法 (2T6R symmetrical antenna system and multi-input multi-output power balancing method ) 是由 刘巍滟 刘类英 冯愉 刘力 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种2T6R对称天线系统,包括对称2路传输及功率均衡模块和对称6路宽带天线模块,所述对称6路宽带天线模块包括尺寸相同且位置相互平行的6路辐射天线,每路所述路辐射天线分别与所述对称2路传输及功率均衡模块连接；本发明还公开了一种应用上述2T6R对称天线系统进行多输入多输出的功率均衡方法。本发明通过对称6路宽带微带阵列天线接收多个功率均衡模块处理发送的6路等幅等频且相位差为0度的射频信号后并发送辐射信号,从而在空间沿6路传输方向形成6路幅度相位一致且覆盖范围一致的辐射信号,使移动终端在信号覆盖的范围内移动时都能够接收6路等幅等相的辐射信号,具有良好的接收效果。(The invention discloses a 2T6R symmetrical antenna system, which comprises a symmetrical 2-path transmission and power balancing module and a symmetrical 6-path broadband antenna module, wherein the symmetrical 6-path broadband antenna module comprises 6 paths of radiation antennas with the same size and mutually parallel positions, and each path of radiation antenna is respectively connected with the symmetrical 2-path transmission and power balancing module; the invention also discloses a multi-input multi-output power balancing method by applying the 2T6R symmetrical antenna system. According to the invention, 6 paths of radio frequency signals which are processed and sent by a plurality of power equalization modules and have equal amplitude and equal frequency and phase difference of 0 degree are received through the symmetrical 6 paths of broadband microstrip array antennas, and then radiation signals are sent, so that 6 paths of radiation signals with consistent amplitude and phase and coverage range are formed in the space along 6 paths of transmission directions, and the mobile terminal can receive the 6 paths of radiation signals with equal amplitude and equal phase when moving in the signal coverage range, and has a good receiving effect.)

1. A2T 6R symmetric antenna system is characterized by comprising a symmetric 2-path transmission and power equalization module and a symmetric 6-path broadband antenna module, wherein the symmetric 6-path broadband antenna module comprises 6 radiation antennas with the same size and mutually parallel positions, and each radiation antenna is respectively connected with the symmetric 2-path transmission and power equalization module; wherein:

the symmetrical 2-path transmission and power equalization module is used for performing power distribution on the received 2-path radio frequency signals with equal amplitude, equal frequency and same phase, generating 6-path radio frequency signals with equal power and respectively sending the 6-path radio frequency signals to the 6-path radiation antennas;

and the radiation antenna is used for receiving 1 path of radio frequency signals from the symmetrical 2-path transmission and power equalization module and sending 1 path of radiation signals.

2. The symmetrical 2T6R antenna system according to claim 1, wherein the symmetrical 2-way transmission and power equalization module comprises a 2T6R small base station and a power equalization module, the signal output terminal of the 2T6R small base station is connected to the signal input terminal of the power equalization module, the power equalization module has 6 signal output terminals respectively connected to 6-way radiating antennas; wherein:

the 2T6R small base station is used for generating 2 paths of radio frequency signals with equal amplitude and equal frequency and sending the signals to the power balancing module;

and the power balancing module is used for performing power distribution on the received 2 paths of radio frequency signals to generate 6 paths of radio frequency signals with equal power, adjusting the phase difference of the 6 paths of radio frequency signals to 0 degree, and then respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 paths of radiation antennas.

3. The 2T6R symmetric antenna system according to claim 2, wherein the power equalizing module comprises a radio frequency power equalizer and 6 feeders, the radio frequency power equalizer has 6 symmetric signal outputs, and the 6 signal outputs of the radio frequency power equalizer are respectively connected to 6 radiating antennas through the 6 feeders; wherein:

the radio frequency power equalizer is used for equally dividing the received 2 paths of radio frequency signals into 6 paths of radio frequency signals, adjusting the power and the phase of the 6 paths of radio frequency signals according to the phase difference of the 6 paths of radio frequency signals and the amplitude difference of the 6 feeders, equalizing and distributing the power of the 6 paths of radio frequency signals, enabling the phase and the amplitude of the 6 paths of radio frequency signals to be the same, and simultaneously sending the 6 paths of radio frequency signals after being equalized and distributed to the 6 feeders respectively;

and the feeder line is used for receiving the 1 path of radio frequency signals from the radio frequency power equalizer and sending the path of radio frequency signals to the 1 path of radiation antenna.

4. A multi-input multi-output power equalization method is characterized by comprising the following steps:

s1, receiving 2 paths of radio frequency signals with equal amplitude, equal frequency and same phase, performing power distribution on the 2 paths of radio frequency signals, generating 6 paths of radio frequency signals with equal power, and respectively sending the 6 paths of radio frequency signals to 6 paths of radiation antennas;

and S2, each path of radiation antenna receives the 1 path of radio frequency signal and sends the 1 path of radiation signal.

5. The mimo power balancing method according to claim 4, wherein step S1 specifically includes:

s11 and 2T6R small base stations generate 2 paths of radio frequency signals with equal amplitude and equal frequency;

and S12, performing power distribution on the received 2 paths of radio frequency signals to generate 6 paths of radio frequency signals with equal power, adjusting the phase difference of the 6 paths of radio frequency signals to 0 degree, and then respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 paths of radiation antennas.

6. The mimo power balancing method according to claim 5, wherein step S11 specifically includes:

s111, equally dividing the received 2 paths of radio frequency signals into 6 paths of radio frequency signals, adjusting the power and the phase of the 6 paths of radio frequency signals according to the phase difference of the 6 paths of radio frequency signals and the amplitude difference of the 6 feeders, balancing and distributing the power of the 6 paths of radio frequency signals to enable the phase and the amplitude of the 6 paths of radio frequency signals to be the same, and simultaneously respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 feeders;

and S112, each feeder line respectively receives 1 path of radio frequency signals from the radio frequency power equalizer and sends the path of radio frequency signals to 1 path of radiation antenna.

Technical Field

The invention relates to the field of communication, in particular to a 2T6R symmetric antenna system and a multi-input multi-output power balancing method.

Background

With the development of mobile communication technology, Multiple-input Multiple-output (MIMO) technology has been applied to various mobile communication systems to increase system capacity, wherein MIMO-applied MIMO antenna systems are mostly 2T2R, 4T4R and 4T6R, and at present, there is no application of balanced distribution technology for rf signals with less input and Multiple output, and as 5G communication is rapidly developed, the 2T6R antenna system will be applied more widely.

Moreover, due to the structural process and quality limitations of the original indoor coverage system, the coverage ranges, amplitudes and phases of the multiple paths of radiation signals transmitted at the same point are inconsistent, so that the mobile terminal can only receive multiple paths of radio frequency signals with uneven amplitudes under the coverage of signals in the same area in the moving process, the receiving effect is poor, and the MIMO application effect is poor.

Disclosure of Invention

In view of the above problems, the present invention provides a 2T6R symmetric antenna system, and provides a mimo power equalization method using the system, which has good receiving effect.

The technical scheme of the invention is as follows:

A2T 6R symmetric antenna system comprises a symmetric 2-path transmission and power equalization module and a symmetric 6-path broadband antenna module, wherein the symmetric 6-path broadband antenna module comprises 6 radiation antennas with the same size and mutually parallel positions, and each path of radiation antenna is respectively connected with the symmetric 2-path transmission and power equalization module; wherein:

the symmetrical 2-path transmission and power equalization module is used for performing power distribution on the received 2-path radio frequency signals with equal amplitude, equal frequency and same phase, generating 6-path radio frequency signals with equal power and respectively sending the 6-path radio frequency signals to the 6-path radiation antennas;

and the radiation antenna is used for receiving 1 path of radio frequency signals from the symmetrical 2-path transmission and power equalization module and sending 1 path of radiation signals.

The working principle of the technical scheme is as follows:

the system receives 6 paths of radio frequency signals which are sent by the power equalization module and have equal amplitude and equal frequency and phase difference of 0 degree through 6 same-phase and equal-amplitude radiation antennas on the symmetrical 6 paths of broadband microstrip array antenna modules, and sends radiation signals, so that 6 paths of radiation signals which have consistent amplitude and phase and consistent coverage range are formed in space, and the mobile terminal can receive 6 paths of radiation signals with equal amplitude and equal phase when moving in a signal coverage range, and has a good receiving effect.

In a further technical solution, the symmetric 2-channel transmission and power equalization module includes a 2T6R small base station and a power equalization module, a signal output end of the 2T6R small base station is connected to a signal input end of the power equalization module, and the power equalization module has 6 signal output ends respectively connected to 6-channel radiation antennas; wherein:

the 2T6R small base station is used for generating 2 paths of radio frequency signals with equal amplitude and equal frequency and sending the signals to the power balancing module;

and the power balancing module is used for performing power distribution on the received 2 paths of radio frequency signals to generate 6 paths of radio frequency signals with equal power, adjusting the phase difference of the 6 paths of radio frequency signals to 0 degree, and then respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 paths of radiation antennas.

The power equalization module is used for carrying out phase processing on the radio-frequency signals, so that 6 paths of radio-frequency signals are equal in frequency, equal in amplitude and same in phase, 6 paths of radio-frequency signals with consistent amplitude and phase and consistent in coverage range are formed in space, and the technical problems that the amplitude of a plurality of paths of radio-frequency signals under the coverage of signals in the same area is uneven and the receiving effect is poor are solved.

In a further technical scheme, the power equalization module comprises a radio frequency power equalizer and 6 feeders, the radio frequency power equalizer has 6 symmetrical signal output ends, and the 6 signal output ends of the radio frequency power equalizer are respectively connected with 6 radiating antennas through the 6 feeders; wherein:

the radio frequency power equalizer is used for equally dividing the received 2 paths of radio frequency signals into 6 paths of radio frequency signals, adjusting the power and the phase of the 6 paths of radio frequency signals according to the phase difference of the 6 paths of radio frequency signals and the amplitude difference of the 6 feeders, equalizing and distributing the power of the 6 paths of radio frequency signals, enabling the phase and the amplitude of the 6 paths of radio frequency signals to be the same, and simultaneously sending the 6 paths of radio frequency signals after being equalized and distributed to the 6 feeders respectively;

and the feeder line is used for receiving the 1 path of radio frequency signals from the radio frequency power equalizer and sending the path of radio frequency signals to the 1 path of radiation antenna.

6 paths of radiation antennas are connected with the radio frequency power equalizer through 6 paths of feeder lines respectively, and the technical problems of untimely and inaccurate signal transmission are solved.

In a further technical solution, the symmetric 6-way broadband antenna module is a symmetric 6-way broadband microstrip array antenna module.

And the back radiation is reduced, and the coverage range of 6 paths of radiation signals is ensured to be consistent.

The invention also provides a method for carrying out multi-input multi-output power equalization by applying the 2T6R symmetrical antenna system, which adopts the technical scheme that:

a multi-input multi-output power equalization method comprises the following steps:

s1, receiving 2 paths of radio frequency signals with equal amplitude, equal frequency and same phase, performing power distribution on the 2 paths of radio frequency signals, generating 6 paths of radio frequency signals with equal power, and respectively sending the 6 paths of radio frequency signals to 6 paths of radiation antennas;

and S2, each path of radiation antenna receives the 1 path of radio frequency signal and sends the 1 path of radiation signal.

In a further technical solution, step S1 specifically includes:

s11 and 2T6R small base stations generate 2 paths of radio frequency signals with equal amplitude and equal frequency;

and S12, performing power distribution on the received 2 paths of radio frequency signals to generate 6 paths of radio frequency signals with equal power, adjusting the phase difference of the 6 paths of radio frequency signals to 0 degree, and then respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 paths of radiation antennas.

In a further technical solution, step S11 specifically includes:

s111, equally dividing the received 2 paths of radio frequency signals into 6 paths of radio frequency signals, adjusting the power and the phase of the 6 paths of radio frequency signals according to the phase difference of the 6 paths of radio frequency signals and the amplitude difference of the 6 feeders, balancing and distributing the power of the 6 paths of radio frequency signals to enable the phase and the amplitude of the 6 paths of radio frequency signals to be the same, and simultaneously respectively sending the 6 paths of radio frequency signals after balanced distribution to the 6 feeders;

and S112, each feeder line respectively receives 1 path of radio frequency signals from the radio frequency power equalizer and sends the path of radio frequency signals to 1 path of radiation antenna.

The working principle of the 5G signal coverage of the invention is as follows: an outdoor 5G macro base station sends signals to an indoor 2T6R small base station through a cable, the 2T6R small base station transmits radio frequency signals to a radio frequency power equalizer through two radio frequency transmission lines, the radio frequency power equalizer is connected with 6 symmetrical radiation antennas, the radio frequency power equalizer equalizes and distributes the power of the radio frequency signals through an internal coupling circuit, certain power (preset value) is distributed to the 6 radiation antennas according to a certain proportion, the radio frequency power equalizer is also connected with the next radio frequency power equalizer through the other two radio frequency transmission lines, the radio frequency power equalizer and the 6 radiation antennas in each group form a node, the signal coverage of the whole indoor floor is realized through the series connection of a plurality of nodes, the lengths of the radio frequency transmission lines connecting the two adjacent radio frequency power equalizers are equal, and four radio frequency transmission lines connected with two ends of the same radio frequency power equalizer need to ensure high symmetry, and a plurality of radiation antennas connected with each radio frequency power equalizer need to ensure high symmetry, so that radio frequency signals can keep phase consistency all the time. The power distributed to each path of radiating antenna in each node is kept consistent, so that the power proportion distributed to the corresponding radiating antenna by the radio frequency power equalizer on different nodes is different, and the loss of a radio frequency signal during transmission of the radio frequency transmission line is known because the length of the radio frequency transmission line is preset, so that the power proportion distributed to the radiating antenna in each node by the radio frequency power equalizer in each node is as follows: the allocated power/(power transmitted from the previous node — power loss) of the predetermined radiation antenna.

The invention has the beneficial effects that:

1. the system receives 6 paths of radio frequency signals which are sent by the power equalization module and have equal amplitude and equal frequency and phase difference of 0 degree through 6 same-phase and equal-amplitude radiation antennas on the symmetrical 6 paths of broadband microstrip array antenna modules, and sends radiation signals, so that 6 paths of radiation signals which have consistent amplitude and phase and consistent coverage range are formed in space, and the mobile terminal can receive 6 paths of radiation signals with equal amplitude and equal phase when moving in a signal coverage range, and has a good receiving effect.

2. The power equalization module is used for carrying out phase processing on the radio-frequency signals, so that 6 paths of radio-frequency signals are equal in frequency, equal in amplitude and same in phase, 6 paths of radio-frequency signals with consistent amplitude and phase and consistent in coverage range are formed in space, and the technical problems that the amplitude of a plurality of paths of radio-frequency signals under the coverage of signals in the same area is uneven and the receiving effect is poor are solved.

3. 6 paths of radiation antennas are respectively connected with the radio frequency power equalizer through 6 paths of feeder lines, so that the timeliness and the accuracy of signal transmission are ensured.

4. And the 6-path symmetrical broadband microstrip array antenna is adopted, so that the back radiation can be reduced, and the coverage range of 6-path radiation signals is ensured to be consistent.

Drawings

Fig. 1 is a flowchart of a 2T6R symmetric antenna system according to an embodiment of the present invention.

Description of reference numerals:

1. 2T6R small base station; 2. a radio frequency power equalizer; 3. a feeder line; 4. a radiating antenna.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings.