Uplink adaptive multiple rate (AMR) regulation and control method and system

Abstract

The invention discloses an uplink adaptive multiple rate (AMR) regulation and control method and an AMR regulation and control system. The method comprises the following steps of: acquiring a proper AMR code rate list according to a transmission format set of network configuration in the process of establishing the current services; acquiring the current transmitting power of the terminal and the currently used AMR code rate; regulating and controlling that the currently used AMR code rate is reduced by a level in the AMR code rate list when the transmitting power reaches the maximum transmitting power; and regulating and controlling that the currently used AMR code rate is raised by a level in the AMR code rate list when the transmitting power does not reach the maximum transmitting power and the currently used AMR code rate is positioned at a lower level in the AMR code rate list. The uplink service quality is predicted by utilizing the capacity of the transmitting power of the terminal, so that the control time delay is reduced, and whether the uplink transmitting power is limited is predicted by utilizing the transmission power control (TPC) distributed by the statistical network; and therefore, the AMR code rate is regulated and controlled, the aim of timely improving the quality of speech is fulfilled.

Description

Technical field [0001] The present invention relates to the field of mobile communication technology, and more specifically to a method and system for adjusting and controlling an uplink AMR. Background technique [0002] In the digital mobile communication system, the wireless communication environment is often more complicated and changeable. Therefore, based on the changeable channel, in order to provide high-quality voice communication, a speech coding algorithm that can meet higher requirements is required. In the current third-generation mobile communication system, adaptive multi-rate (AMR) speech codec technology is used. Compared with the GSM system, AMR provides an adaptive solution to track the rapidly changing wireless channel environment. Channel quality adaptively select one of 8 code rates (12.2 / 10.2 / 7.95 / 7.4 / 6.7 / 5.9 / 5.15 / 4.75kbps) to achieve the optimal combination of speech coding and channel coding, so as to meet the wireless channel And local capacity requirem...

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a method and system for regulating the uplink AMR to overcome the problem in the prior art that the regulation of the uplink AMR is too dependent on the network, which easily leads to prolonging the control time, so that the voice quality cannot be improved in time

Images