Communication apparatus and communication method

Details Communication apparatus and communication method Communication apparatus and communication method

2005-07-25

2008-08-05

Qureshi, Afsar M. (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S252000, C370S392000, C370S395400

Reexamination Certificate

active

07408956

ABSTRACT:
A data communication frame is formed by a preamble portion (PREAMBLE) for demodulation and synchronization, a frame information portion (FC) containing a data type of the frame, a frame length portion (FL), and a data body portion (DATABODY) composed of more than one data packet combined together. If a request to transmit a packet is made from an upper layer, a communication apparatus10concurrently performs a process of calculating a frame length the frame would have if combining of the packet is performed and a process of transmitting the preamble portion and the frame information portion. The frame length depends on packets, while the preamble portion and the frame information portion do not depend on packets.

REFERENCES:
patent: 6987770 (2006-01-01), Yonge, III
patent: 2004/0136344 (2004-07-01), Kim et al.
patent: 7-123118 (1995-05-01), None
patent: 2003-69642 (2003-03-01), None
“Information technology- Telecommunications and information exchange between systems- Local and metropolitan area networks- Specific requirements-”, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, ANSI/IEEE Std 802.11, 1999 Edition (R2003) pp. 34-42.

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