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1. CA2728100 - METHOD AND APPARATUS FOR SWITCHING IN A TDD SYSTEM

Office Canada
Application Number 2728100
Application Date 22.06.2009
Publication Number 2728100
Publication Date 21.01.2010
Publication Kind A1
IPC
H04B 7/26
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
24for communication between two or more posts
26at least one of which is mobile
H04B 17/327
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
17Monitoring; Testing
30of propagation channels
309Measuring or estimating channel quality parameters
318Received signal strength
327Received signal code power
H04L 5/22
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
5Arrangements affording multiple use of the transmission path
22using time-division multiplexing
CPC
H04W 72/0473
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
72Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
04Wireless resource allocation
044where an allocation plan is defined based on the type of the allocated resource
0473the resource being transmission power
H04W 88/085
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
88Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
08Access point devices
085Access point devices with remote components
H04W 92/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
92Interfaces specially adapted for wireless communication networks
16Interfaces between hierarchically similar devices
18between terminal devices
Applicants LGC WIRELESS, INC.
Priority Data 12144977 24.06.2008 US
Title
(EN) METHOD AND APPARATUS FOR SWITCHING IN A TDD SYSTEM
(FR) PROCEDE ET APPAREIL PERMETTANT LA COMMUTATION DANS UN SYSTEME TDD
Abstract
(EN)




A method of switching a communication device
between an uplink communication path and a downlink
communication path is provided. The method measures
a power level of signals on at least one radio frequency for
one of the uplink communication path and the downlink
communication path. The measured power level is compared
with a threshold power level. Switching between an
uplink circuit and a downlink circuit is based on the comparison
between the measured power level and the threshold
power level.