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Patent Searching and Data


Title:
RADIO COMMUNICATION EQUIPMENT AND COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/1999/041867
Kind Code:
A1
Abstract:
Radio communication equipment (10) is provided with a buffer (14) which temporarily stores data to be transmitted and a transmission-reception circuit (12) incorporating a data transmitting circuit (30) and a data receiving circuit (40). The transmitting circuit (30) is also provided with an input processor (41) which constitutes a preamble and outputs the constituted preamble to a QPSK modulator (42) at the time of transmitting data and, after the preamble is outputted, reads out 256-bit data trains from the buffer (14) and successively outputs the data trains to the modulator (42). Therefore, the transmitting circuit (30) is constituted so that the circuit (30) can repetitively transmit data sets composed of preambles and data trains. In addition, the receiving circuit (40) has a DMF (86) which realizes synchronous acquisition by using the part corresponding to the preamble of received signals.

Inventors:
MANO HIROSHI (JP)
Application Number:
PCT/JP1998/000631
Publication Date:
August 19, 1999
Filing Date:
February 17, 1998
Export Citation:
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Assignee:
ROOT INC (JP)
MANO HIROSHI (JP)
International Classes:
H04B1/7073; H04J3/06; H04J13/00; (IPC1-7): H04J13/00
Foreign References:
JPH0884132A1996-03-26
JPH08237169A1996-09-13
JPH08228171A1996-09-03
JPH06350548A1994-12-22
Other References:
See also references of EP 1065819A4
Attorney, Agent or Firm:
Kubota, Eiichiro (Akasaka Yamada Bldg. 21-8, Akasaka 2-chom, Minato-ku Tokyo, JP)
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