Method and device for selecting dual-polarized array antenna

An array antenna and dual-polarization technology, applied in diversity/multi-antenna systems, space transmit diversity, prevention/detection of errors through diversity reception, etc., can solve the problems of increasing antenna selection time, complexity, and resource occupation, etc. Achieve the effect of good signal quality and simple calculation

Inactive Publication Date: 2011-09-21
ZTE CORP
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  • Claims
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AI Technical Summary

Problems solved by technology

The disadvantage of this scheme is: before transmitting useful information, it is necessary to perform channel estimation on the antenna, which will increase the amount of calculation of the system and increase the complexity of the calculation.
In addition, in the case of relatively high delay requirements, due to the complicated process of channel estimation calculation, it will increase the time of antenna selection and affect the actual application.
And when channel estimation is used, the transmitter is required to open up certain resources to send redundant information, which takes up more resources

Method used

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  • Method and device for selecting dual-polarized array antenna
  • Method and device for selecting dual-polarized array antenna
  • Method and device for selecting dual-polarized array antenna

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Embodiment Construction

[0039] In the embodiment of the present invention, the dual-polarized array antenna is divided into two sets according to the polarization direction, and one antenna is selected from each of the two sets, and the two antennas with the farthest spatial positions are selected. The calculation of the scheme is simple, and The signal quality transmitted by these two antennas is better.

[0040] see Figure 1A , the main method flow for selecting a dual-polarized array antenna in this embodiment is as follows:

[0041] Step 101: Obtain the antennas in the first set and the second set, wherein all antennas in the same polarization direction in the dual-polarized array antenna belong to one set.

[0042] Step 102: Select one antenna from the first set and the second set respectively, wherein the distance between the two selected antennas is the largest relative to the distance between other antennas in the first set and the second set.

[0043] There are many ways to implement the s...

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Abstract

The invention discloses a method for selecting a dual-polarized array antenna, used for realizing the selection of the dual-polarized array antenna, increasing the selection efficiency and reducing requirements on system hardware. The method comprises the following steps of: acquiring antennae in a first set and a second set, wherein all the antennae with one polarization direction in the same dual-polarized array antenna belongs to one set; selecting one antenna respectively from the first set and the second set, wherein the distance between the two selected antennae is the maximum relative to the distance between any other two antennae in the first set and the second set, and if four antennae need to be selected, two antennae can be selected out firstly, and then another two antennae can be selected out. The invention also discloses a device used for implementing the method.

Description

technical field [0001] The invention relates to the fields of computer and communication, in particular to a method and a device for selecting a dual-polarization array antenna. Background technique [0002] With the development of space-time signal processing technology, multi-antenna systems have been widely used in the field of wireless communication. The dual-polarized antenna, one of the multi-antenna systems, is a new type of antenna technology that combines two antennas with +45° and -45° polarization directions that are orthogonal to each other. The two antennas in the polarization direction work in the duplex mode of sending and receiving at the same time, so its most prominent advantage is to save the number of antennas for a single directional base station. Due to the use of dual-polarized antennas, it can bring many conveniences: such as improving the service quality of the entire network, reducing construction costs, and making the network layout more reasonabl...

Claims

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Application Information

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IPC IPC(8): H04B7/04H04L1/06
Inventor 费腾
Owner ZTE CORP
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