摘要: CISN is the abbreviation of the synthetic consumer information service network. It uses the existing telephone network, CATV network and computer local area network to realize the interactive information searching and distributed ... 展开 CISN is the abbreviation of the synthetic consumer information service network. It uses the existing telephone network, CATV network and computer local area network to realize the interactive information searching and distributed broadcast service for the family consumers. The paper mainly describes how to constitute an actual CISN testing environment and select the proper overtime under the certain transmission way. It studies the route selecting, data dynamic allocation as well as the channel coding under the same circumstance. 收起