发明名称 Wide band wireless multimedia communication system
摘要 Disclosed is a local multipoint distribution service(LMDS) system, in which the cost for installation and maintenance is lower comparing to a cable communication system, it takes a little time to install the system, and a variety multimedia communication services can be provided. According to one feature of the present invention, the LMDS system comprises a data/signal handler for multiplexing and modulating packet data received from a network, and for demodulating and demultiplexing an optical signal received; and at least one base stations for down-converting the multiplexed and modulated packet data into a radio frequency(RF) signal, and for converting an RF signal received into an optical signal so as to send to the data/signal handler.
申请公布号 US6665279(B1) 申请公布日期 2003.12.16
申请号 US19980224800 申请日期 1998.12.31
申请人 LG INFORMATION & COMMUNICATIONS, LTD. 发明人 KWAK OK MOON;CHOI KWANG JOO
分类号 H04L12/433;H04W16/00;H04W16/24;H04W84/14;(IPC1-7):H04Q7/00;H04Q7/20 主分类号 H04L12/433
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