System of frequency allocation for user access local area...

Details System of frequency allocation for user access local area... System of frequency allocation for user access local area...

2011-06-21

2011-06-21

Ngo, Ricky (Department: 2464)

Multiplex communications

Communication over free space

Repeater

C370S343000, C370S392000, C370S480000

Reexamination Certificate

active

07965670

ABSTRACT:
A system of frequency allocation for a user access local area network, and uplink and downlink transmission methods thereof are provided. The system of frequency allocation for a user access local area network comprises: an information processing apparatus, a switch, a plurality of first modulators, a broadband high frequency synthesizer, a downlink amplifier, a plurality of trunk splitters, a plurality of branch splitters, a plurality of user terminal digital high frequency demodulators, a plurality of user terminal modulators, a plurality of trunk mixers, a plurality of branch mixers, an uplink amplifier, a broadband high frequency allocator and a plurality of first demodulators. The present invention uses a new communication resource configuration technology with high transparency in which every user is provided with his dedicated communication channel regardless of its busy/idle status. In addition, the present invention adopts a new physical layout construction of the user access LAN with a high frequency broadband, a high speed, and a large capacity in which passive operations without relay amplification can be achieved in the main trunk. Therefore, the seamless communication resource utilization is achieved, and the operation and communication service technology is provided which is suitable to the operation custom of the public so as to be easily learned and propagation.

REFERENCES:
patent: 2003/0064734 (2003-04-01), Stilp et al.
patent: 2005/0083890 (2005-04-01), Plotnik et al.

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