Patent ID: 8350890
Filing Date: 2013-01-08
Classification: H04L,H04N

Abstract:
1. A method of wireless video transceiving based on a multi-carrier technique, which comprises the following steps: at step 1, image information in a video GOP (Group of Picture) are separated and a sequential relationship between individual image information is recorded; at step 2, general image information and important image information are treated discriminatingly in a video transmission process according to the degree of importance of different image information, in order to improve a transmission quality of important image information, the important image information including an I frame and image header information, and the general image information including a B frame and a P frame; at step 3, after the image information is received by a receiving end, the image information is recombined into the video GOP according to the sequential relationship, wherein in said step 2, sufficient sub-carriers are allocated to the I frame and the image header information in order to guarantee corresponding frequency intervals between allocated sub-carriers, and a channel with better conditions is selected from wireless channels to be used for transmission.