A Hybrid Duplex Relay Implementation Method Based on Statistical Probability Selection

A technology of statistical probability and implementation method, applied in the direction of duplex signal operation, transmission system, digital transmission system, etc., can solve the problems of inability to use channel diversity gain, inability to achieve, large system throughput, etc.

Inactive Publication Date: 2020-06-12
SHANGHAI JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] 1. The maximum system throughput cannot be achieved;
[0018] 2. The diversity gain of the channel cannot be utilized;
[0019] 3. The performance of the system will be limited by the source node and the relay node, and the poor link between the relay node and the destination node

Method used

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  • A Hybrid Duplex Relay Implementation Method Based on Statistical Probability Selection
  • A Hybrid Duplex Relay Implementation Method Based on Statistical Probability Selection
  • A Hybrid Duplex Relay Implementation Method Based on Statistical Probability Selection

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Embodiment Construction

[0107] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0108] The present invention provides a hybrid duplex relay implementation method based on statistical probability selection, including the following steps: Step 1: Prejudging according to system characteristics, and obtaining system parameters; Step 2: Selecting a corresponding working mode according to system parameters; wherein, The system is a one-way decoding and forwarding full-duplex relay system.

[0109] The step 1 includes the following sub-steps: Step 1.1: The relay node R broadcasts pilot si...

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Abstract

The invention provides a hybrid duplex relay implementation method based on statistical probability selection. The method is characterized by comprising the following steps of step 1, pre-judging according to system characteristics, and acquiring system parameters; and step 2, selecting a corresponding working mode according to the system parameters, wherein the system is a one-way decoding and forwarding full-duplex relay system. The hybrid duplex relay implementation method based on the statistical probability selection, which is provided by the invention, focuses on maximization of the throughput of the system, and an optimal relay mechanism based on the statistical probability for a one-way full-duplex / half-duplex hybrid relay system is provided. The hybrid duplex relay implementationmethod based on the statistical probability selection adopts a hybrid duplex mechanism, so that the influence caused by residual self-interference in the full-duplex relay system is eliminated, and the transmission rate of the system is maximized. The relay selects the working mode of the system in each working time slot according to a certain probability.

Description

technical field [0001] The present invention relates to a method, in particular to a hybrid duplex relay implementation method based on statistical probability selection. Background technique [0002] Co-time Co-frequency Full Duplex (CCFD) technology means that the transmitter and receiver of the device occupy the same frequency resources and work at the same time, so that both parties in communication can use the same frequency at the same time in the uplink and downlink. The frequency breaks through the existing frequency division duplex (FDD) and time division duplex (TDD) modes, and is one of the keys for communication nodes to realize two-way communication. At present, our known communication systems all work in the Half Duplex (Half Duplex) state, that is, the uplink and downlink work in different frequency bands or different time periods, for example, Time Division Duplex (TimeDivision Duplex, TDD) and Frequency division duplex system (Frequency Division Duplex, FDD...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/14H04L5/00H04B7/155G06F17/18
CPCG06F17/18H04B7/155H04L5/0048H04L5/14
Inventor 李成胡丕河夏斌
Owner SHANGHAI JIAOTONG UNIV
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