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Distributed processing based OFDM (Orthogonal Frequency Division Multiplexing) communication method

A distributed processing and communication method technology, applied in the field of wireless communication, can solve problems affecting the overall performance of the system, achieve the effect of increasing signal quality, improving forward data rate, and eliminating interference between terminals

Inactive Publication Date: 2016-04-20
杨荣
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Problems solved by technology

[0005] However, for a system that performs distributed processing, since the terminal is constantly moving within the coverage of multiple eNodeBs, especially when moving at high speed, the signal transmission direction and phase delay of each eNodeB are rapidly and dynamically changing, which leads to The overall channel state information (CSI) of the entire distributed processing system deviates too much from the true value, which affects the overall performance of the system

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  • Distributed processing based OFDM (Orthogonal Frequency Division Multiplexing) communication method
  • Distributed processing based OFDM (Orthogonal Frequency Division Multiplexing) communication method
  • Distributed processing based OFDM (Orthogonal Frequency Division Multiplexing) communication method

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Embodiment Construction

[0023] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0024] According to the embodiment of the present invention, a kind of OFDM communication method based on distributed processing is proposed, as attached figure 1 As shown, the method includes the following steps:

[0025] S1. Determine user terminals and eNodeBs that perform distributed processing; the number of eNodeBs is N b , the i-th eNodeB has N ti antennas, i=1,...,N b , each eNodeB is connected through the main processin...

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Abstract

The invention discloses a distributed processing based OFDM (Orthogonal Frequency Division Multiplexing) communication method. The distributed processing based OFDM communication method comprises the following steps of determining user terminals and eNodeBs both for performing the distributed processing; connecting the eNodeBs through a main processing node; obtaining historical service information of each eNodeB by the main processing node; determining a target needing discretization by the main processing node; calculating a configuration result of a discrete resolution value by the main processing node; indicating the resolution value configuration result by the main processing node; performing discretization for channel beam pointing information by a moving user terminal; calculating periodic delay information by the moving user terminal; performing discretization for the periodic delay information by the moving user terminal; and reporting discretization information by the moving user terminal. The distributed processing based OFDM communication method provided by the invention can efficiently remove interference among terminals during the multiplex transmission of multiple user terminals and increases the forward data rate of a distributed OFDM system.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to an OFDM communication method based on distributed processing. Background technique [0002] In recent years, with the development of mobile communication technology, although the ability of the communication system to support wireless communication services has been significantly improved, at the same time, user terminals have higher expectations for high-speed, high-quality multimedia services. Therefore, in the research of next-generation mobile communication technology, higher requirements are put forward for spectrum efficiency, transmission rate, system throughput and cell edge performance. [0003] The access method of OFDM enables the information of user terminals in the cell to be carried on different subcarriers that are orthogonal to each other, effectively avoiding multiple access interference between user terminals in the cell, but inter-cell interference cannot ...

Claims

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Application Information

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IPC IPC(8): H04B7/04H04B7/06
CPCH04B7/0456H04B7/0626
Inventor 杨荣
Owner 杨荣
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