Jeffrey S Mcdaniel

US Patent:

20040077358, Apr 22, 2004

Filed:

Oct 18, 2002

Appl. No.:

10/273482

Inventors:

Christopher Bennett - San Diego CA, US
Jeffrey McDaniel - San Diego CA, US

Assignee:

Togabi Technologies

International Classification:

H04B001/44
H04Q007/20

US Classification:

455/455000, 455/078000

Abstract:

Methods and systems for distributed arbitration in a push-to-talk communications system are disclosed. A server receives talk requests from user communications terminals in a push-to-talk communications system. The server generates state information based on the talk requests and delivers the state information to the user communications terminals. The user communications terminals execute a distributed arbitration algorithm to determine which user communications terminal should have possession of a communications channel among user communications terminals with simultaneously pending talk requests based on the state information.

US Patent:

20090289839, Nov 26, 2009

Filed:

Mar 26, 2009

Appl. No.:

12/411754

Inventors:

Jeffrey M. McDaniel - San Diego CA, US

Assignee:

ViaSat, Inc - Carlsbad CA

International Classification:

H04B 7/185

US Classification:

342352

Abstract:

A satellite system for broadband communication with a plurality of remote locations is described. The satellite system comprises service spot beams from a satellite. Forward channels may be transported on carriers of the service spot beams. A plurality of forward sub-channels may pass on the forward channels. They system further comprises a plurality of domains that are independently managed and a plurality of satellite modems with the service spot beams. The plurality of sub-channels may be divided among the plurality of domains. Each of the domains may correspond to a plurality of time slices. A scheduler may allocate forward channels among the plurality of domains. Each of the time slices corresponding to the plurality of domains may vary in size over time.