Full-duplex communication method for semi-velocity speech coding based digital non-center system

Abstract

The invention discloses a duplex communication method of a digital center-less communication system based on a half-speed speech coding, which is applicable to receiving and transmitting a communication state that needs a real-time interaction between radio stations, thus improving communication efficiency. A technic proposal is the that: (1) the amount of time slots of each frequency spot is increased or the same time slot is used in an odd-even alternative way; (2) the frequency spots are classified into a control frequency spot and a business frequency spot; (3) a calling station inspects a business frequency spot and selects an access frequency spot and a time slot; (4) the calling station launch a calling request on the control frequency spot; (5) the calling station switches into the assigned frequency spot and the assigned time slot for waiting for receiving the information of the called station; (6) the called station carries out cyclic inspection for the control frequency spot and searches if the calling corresponds to the control frequency spot. If correspondence exists, the called station switches into the assigned frequency spot and time slot and communicates with the calling station; (7) the calling station and the called station starts the duplex communication on the assigned frequency spot and time slot; (8) both stations release channels. The invention is applied to the great capability communication of the digital center-less communication system.

Description

technical field [0001] The invention relates to a full-duplex communication method of a wireless communication system, in particular to a full-duplex communication method of a digital centerless system based on half-rate speech coding. Background technique [0002] In the existing digital centerless communication system, the typical communication implementation mode is half-duplex. In half-duplex mode, the receiving station (also called the called station) and the sending station (also called the calling station) need to share the master control of the channel in a time-division multiplexed manner, and at most one party can be the sending station at the same time To occupy the call channel, and also need to set up a certain agreement between the receiving and generating stations to transfer the mastership of the channel back and forth, and arbitrate the requests of multiple parties for the mastery of the channel, etc., which will bring a certain amount of resource overhead, ...

AI Technical Summary

Problems solved by technology

In half-duplex mode, the receiving station (also called the called station) and the sending station (also called the calling station) need to share the master control of the channel in a time-division multiplexed manner, and at most one party can be the sending station at the same time To occupy the call channel, and also need to set up a certain agreement between the receiving and generating stations to transfer the mastership of the channel back and forth, and arbitrate the requests of multiple parties for the mastery of the channel, etc., which will bring a certain amount of resource overhead, and will not Conducive to communication applications that require real-time interaction between receiving and transmitting stations

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