System and method for multiple access control in satellite...

Details System and method for multiple access control in satellite... System and method for multiple access control in satellite...

2008-05-20

2008-05-20

Gelin, Jean A. (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S428000, C455S430000

Reexamination Certificate

active

07376418

ABSTRACT:
A satellite communications system (10) includes a hub (14), a satellite (32), and any number of remote terminals (16). Each remote terminal (16) includes a remote receiver (38), a monitor (40), and a network access controller (42). Each remote receiver (38) is configured to receive and down convert the system's entire spectrum of interest from which channels are accessed by the remote terminals (16). The monitors (40) independently perform FFT processes over this entire spectrum, but at a low frequency resolution which is no higher than needed to distinguish channels. Based on these spectral analyses, uplink/inbound channels are independently selected by the network access controllers (42) at each remote terminal (16). Remote terminals (16) immediately transmit data to the hub (14) as soon as they select an uplink/inbound channel.

REFERENCES:
patent: 6070052 (2000-05-01), Ogasawara et al.
patent: 2002/0146979 (2002-10-01), Regulinski et al.
patent: 2005/0265273 (2005-12-01), Karabinis et al.
“Multiple-Access Protocols” http://mars.mcs.kent.edu/ksuthesis
ode13.html, dwieser@mcs.kent.edu, Aug. 11, 2004.
Kleinrock “On Resource Sharing in a Distributed COmmunication Environment” IEEE Communications Magazine, Jan. 1979—vol. 17, No. 1, Reprinted May 2002, pp. 58-64.

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