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Apparatus and method for deriving a submatrix

A sub-matrix and equipment technology, applied in space transmit diversity, channel estimation, DC level restoration device/bias distortion correction, etc., can solve problems such as resource consumption, and achieve the effect of improving efficiency, reducing resource consumption and reducing complexity

Active Publication Date: 2018-11-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, in the prior art, the implementation of the receiver, especially the implementation of K-best reordering, is very resource-intensive

Method used

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  • Apparatus and method for deriving a submatrix
  • Apparatus and method for deriving a submatrix
  • Apparatus and method for deriving a submatrix

Examples

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Embodiment Construction

[0032] figure 1 A device 01 for deriving sub-matrices according to an embodiment of the invention is shown. Device 01 may be a base station, access point, client or user terminal acting as a receiver in a network. The device 01 can be used in various scenarios where data between a transmitter and a receiver can be represented as a matrix such as a MIMO system.

[0033] In the following example, device 01 may be used as a receiver in a MIMO system. However, it should be understood that data between a transmitter and receiver is not limited to streams in a MIMO system. In processing data can be thought of as a set of values.

[0034] It should be noted that the present invention is described by taking an N×N MIMO system as an example, where N is the number of streams in the system, that is, the quantity. Accordingly, the size of the matrix in the example is defined by the number of streams, eg NxN. The number of antennas connected to the device may be equal to or greater th...

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PUM

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Abstract

The present invention proposes an apparatus (01) for deriving a submatrix G-tilde<-1>.

Description

technical field [0001] The present invention relates to devices and methods for deriving sub-matrices. Background technique [0002] For example, in a multiple input and multiple output (MIMO) system, a transmitter sends multiple streams through multiple transmit antennas. Assuming that the number of streams in a MIMO system is N, eg there are at least N transmit antennas that are sources of the streams and at least N receive antennas that receive the streams. Then the MIMO system can be simply expressed by the number of streams, that is, the MIMO system can be expressed as an "NxN MIMO" system. [0003] Common implementations of MIMO decoders are based on the K-best search algorithm. The main idea of ​​this decoder is to iteratively add the possible emitted streams to the overall metric instead of using the joint exhaustive search implemented in the optimal maximum likelihood decoder. At each stage of the decoding process, only the K best possible paths are selected acco...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04B7/08H04L1/06H04L25/06H04L25/02
CPCH04B7/0697H04B7/086H04L1/0631H04L25/021H04L1/06H04L25/03242H04L2025/03426H04L25/067H04B7/0417H04B7/0456
Inventor 多伦·埃兹里根纳季·特所迪克希米·西隆奥德·里德里亚龙·本·阿里
Owner HUAWEI TECH CO LTD
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