Method and system for detecting codebook and data-pilot power ratio of wireless communication
A technology of pilot power ratio and wireless communication, which is applied in wireless communication, radio transmission system, transmission system, etc., can solve the problems that the detection performance needs to be enhanced, and achieve the effects of improving throughput, enhancing demodulation performance, and high practicability
Active Publication Date: 2020-08-21
ZHEJIANG SCI-TECH UNIV
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However, the detection performance of MMSE-SIC technology for iterative detection needs to be enhanced
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[0033] Such as figure 1 As shown, the codebook of the wireless communication provided by the present invention and the detection method of data-to-pilot power ratio comprise the following steps:
[0034] Perform correlation matrix calculation on the acquired codebook data and data-to-pilot power ratio, and calculate the received signal correlation matrix, serving cell correlation matrix, interference cell correlation matrix, and noise correlation matrix at the unit granularity;
[0035] Calculate the decision matrix for the received signal correlation matrix, the serving cell correlation matrix, the interference cell correlation matrix and the noise correlation matrix, and calculate the norm of the decision matrix;
[0036] Perform the square sum operation on the elements of each group of norms obtained, compare the sum of squares corresponding to all group norms, determine the norm with the smallest square sum, and compare the codebook data and data pilots corresponding to th...
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The invention discloses a method and system for detecting a codebook and a data pilot power ratio of wireless communication. The method comprises the following steps: performing correlation matrix calculation on obtained codebook data and the data pilot power ratio, and calculating a received signal correlation matrix, a serving cell correlation matrix, an interfering cell correlation matrix, anda noise correlation matrix on the unit granularity; performing decision matrix calculation on the received signal correlation matrix, the serving cell correlation matrix, the interfering cell correlation matrix and the noise correlation matrix, and calculating norms of a decision matrix; and performing a square sum operation on elements of each group of obtained norms, comparing the square sums corresponding to all groups of norms, determining the norm with the smallest sum of squares, and outputting the codebook data and the data pilot power ratio corresponding to the norm with the smallest sum of squares. The method and the system for detecting the codebook and the data pilot power ratio of the wireless communication provided by the invention can effectively enhance the demodulation performance and improve the throughput of a cell edge user, and has very high practicability.
Description
technical field [0001] The invention relates to the field of wireless communication, in particular to a method and system for detecting the power ratio of codebook and data-pilot frequency of wireless communication. Background technique [0002] In recent years, due to the rapid development of communication technology, computer technology, signal processing technology, and network technology, a comprehensive technological change has taken place in the field of industrial wireless communication. Features and trends. There are many differences between industrial wireless communication and wireless cellular communication. In terms of system indicators, it requires strong anti-interference ability, high reliability, low delay, low power consumption, and high security. These indicators are more sophisticated than wireless cellular communication. [0003] The market space in the field of industrial wireless communication is extremely broad, because the transmission of measurement...
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IPC IPC(8): H04B7/0456H04B7/0413H04W24/02H04W24/08
CPCH04B7/0413H04B7/0456H04W24/02H04W24/08
Inventor 吴江徐伟强史清江吴呈瑜占敖
Owner ZHEJIANG SCI-TECH UNIV