Push-to talk over Ad-Hoc networks

Details Push-to talk over Ad-Hoc networks Push-to talk over Ad-Hoc networks

2008-07-01

2008-07-01

West, Lewis (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S519000, C455S518000

Reexamination Certificate

active

07394798

ABSTRACT:
The invention proposes a network system comprising a plurality of network nodes (10, 11), each of the network nodes comprising means (103, 113) for temporarily forming a group with at least one of the plurality of network nodes, sending means (101, 111) for sending information (which may include voice, text message, images etc.) to the group and receiving means (102, 112) for receiving information from the group, wherein the sending means and the receiving means are configured to provide a direct contact via a radio connection (12) between at least two network nodes of the group. The invention also proposes a corresponding method, a corresponding network node and network control nodes for assisting in forming temporary groups.

REFERENCES:
patent: 7170863 (2007-01-01), Denman et al.
patent: 2003/0186716 (2003-10-01), Dorenbosch et al.
patent: 2003/0235175 (2003-12-01), Naghian et al.
patent: WO 2004/001519 (2003-12-01), None
Specification of the Bluetooth System, Feb. 2001, Bluetooth, Version 1.1, pp. 120-123.
Royer, Elizabeth M. “A Review of Current Routing Protocols for Ad Hoc Mobile Wireless Networks”, IEEE Personal Communications, Apr. 1999; pp. 46-55.

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