Packet data processing apparatus and method of wideband...

Details Packet data processing apparatus and method of wideband... Packet data processing apparatus and method of wideband...

2002-07-24

2008-12-02

Marcelo, Melvin (Department: 2616)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

Reexamination Certificate

active

07460519

ABSTRACT:
A packet data processing apparatus of a wide-band wireless local loop (W-WLL) system includes a local area network (LAN) controller for performing an interface with a LAN and transmitting and receiving a packet data. The system further includes an high-level data link control (HDLC) controller for transmitting and receiving a packet data to and from a subscriber wireless connection unit through an HDLC channel, a dynamic random access memory having a first buffer for storing a mobile image packet data transmitted between the HDLC controller and the LAN controller and a second buffer for storing a packet data other than the mobile image, and a CPU for performing the corresponding control function of a packet data routing unit. Buffers are utilized and managed separately for transmitting mobile image data and general data from the packet data routing unit of the W-WLL system to the Internet.

REFERENCES:
patent: 6400729 (2002-06-01), Shimadoi et al.
patent: 6674733 (2004-01-01), Huusko
Hong et al., ‘A Scheduling Method for Bounded Delay Services in High Speed Networks’, Jun. 2000, Communications 2000, IEEE, vol. 2, pp. 863-867.
Yoon et al., ‘A Wireless Local Loop System Based on Wideband CDMA Technology’, Oct. 1999, IEEE Communications Magazine, pp. 128-135.

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