Position acquisition

Details Position acquisition Position acquisition

2007-09-18

2007-09-18

Trost, William (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S003010, C455S003050, C455S041200, C455S404200, C455S456200, C455S456600, C370S338000, C370S400000, C370S408000, C702S150000, C702S151000, C702S152000, C702S153000, C340S870030, C342S386000, C342S450000, C342S458000, C342S463000

Reexamination Certificate

active

11429937

ABSTRACT:
A first transceiver (4, 30) can position itself by forming an ad hoc network (20) of transceivers which assist the first transceiver in acquiring its position. A dedicated infrastructure such as GPS satellites is not required. The first transceiver (4, 30), once it has acquired its position, can be involved in a network (20) by another transceiver (32, 34, 36, 38, 40) to assist in the positioning of that transceiver. The acquisition of the position may involve factors such as the trustworthiness of the transceivers in the network and/or the positions of transceivers with which the first transceiver cannot directly communicate.

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