Owner SIERRA WIRELESS , INC .

Inventors Yen, Chih-Chuan; Nysen, Paul A.

Agent Griffith Hack

Pub. Number AU-A-2009219057

PCT Pub. Number WO2009/105868

Priority 61/032,814 29.02.08 US

Filing date 27 February 2009

Wipo publication date 3 September 2009

H04B 1/00 (2006.01) Details of transmission systems, not covered by a single one of groups

H04B 1/03 (2006.01) Details of transmission systems, not covered by a single one of groups

H04B 1/08 (2006.01) Details of transmission systems, not covered by a single one of groups - Constructional details, e.g. cabinet

H04B 1/12 (2006.01) Details of transmission systems, not covered by a single one of groups - Neutralising, balancing, or compensation arrangements

H04B 7/04 (2006.01) Radio transmission systems, i.e. using radiation field - using a plurality of spaced independent aerials

H04W 88/02 (2009.01) Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices

H05K 9/00 (2006.01) Screening of apparatus or components against electric or magnetic fields

H01Q 9/30 (2006.01) Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements

H04L 12/40 (2006.01) Data switching networks - Bus networks