Title:
WIRELESS ACCESS USING MULTIPLE MODULATION FORMATS ACCORDING TO SUBSCRIBER TYPE
Document Type and Number:
WIPO Patent Application WO2002071695
Kind Code:
A3
Abstract:
There is disclosed a radio frequency RF modem shelf 140 for use in a fixed wireless access network 100 comprising a plurality of base stations 110 capable of bidirectional time division duplex TDD communication with wireless access devices disposed at a plurality of subscriber premises. The radio frequency RF modem shelf 140 comprises: 1 a first RF modem capable of communicating with a plurality of the wireless access devices using TDD frames, each TDD frame having an uplink for receiving data and a downlink for transmitting data and 2 a modulation controller 165 associated with the RF modem shelf 140 capable of determining an optimum modulation configuration for each of the plurality of wireless access devices communicating with the first RF modem.
Inventors:
STRUHSAKER PAUL F (US)
NELSON ROBERT R (US)
MCKOWN RUSSELL C (US)
NELSON ROBERT R (US)
MCKOWN RUSSELL C (US)
Application Number:
PCT/IB2002/000639
Publication Date:
June 05, 2003
Filing Date:
March 05, 2002
Export Citation:
Assignee:
RAZE TECHNOLOGIES INC (US)
International Classes:
G06F1/00; H01Q1/24; H01Q25/00; H04B7/005; H04B7/02; H04J3/00; H04J11/00; H04L1/00; H04L5/14; H04L7/00; H04L12/10; H04L12/28; H04L12/56; H04L25/03; H04L27/26; H04M1/00; H04M3/42; H04M11/06; H04W4/90; H04W16/28; H04W28/18; H04W76/02; H04W84/14; H04W88/02; H05K1/14; H04L1/12; H04L1/16; H04W28/04; H04W72/00; H04W88/08; (IPC1-7): H04L12/28; H04M11/06; H04Q7/20
Domestic Patent References:
| WO1997048191A1 | 1997-12-18 | |||
| WO1992022162A1 | 1992-12-10 | |||
| WO1999062288A1 | 1999-12-02 |
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