Wireless communication system, wireless communication device...

Details Wireless communication system, wireless communication device... Wireless communication system, wireless communication device...

2011-06-21

2011-06-21

Rao, Seema S (Department: 2462)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S349000, C370S474000

Reexamination Certificate

active

07965632

ABSTRACT:
An information transmission source forms a transmission packet at a predetermined time unit into which a preamble is inserted and transmits it. The information reception target returns an acknowledge (ACK) packet or a not acknowledge (NACK) packet into which a preamble is inserted. A hidden terminal recognizes that the transmission path is used for data retransmission from when the NACK is received to when the next ACK is received to avoid collisions. Further, when there is transmission data at the information transmission source specified by a beacon signal, it is recognized that the transmission path is used until the next ACK is received. For example, in an ultra wide band communication method, access control is executed while avoiding collisions of communications and a retransmission control is executed.

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Supplementary European Search Report EP 03777407, dated Dec. 1, 2010.

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