06920315 is referenced by 224 patents and cites 24 patents.

A multiple antenna mobile communication device, such as a cellular telephone, having multiple radios and multiple antennas located in close proximity to each other uses a parallel tuning circuit to optimize the isolation between the antennas. The parallel tuning circuit can include multiple impedance matching circuits to match the impedance in multiple frequency bands or isolating antennas.

Title
Multiple antenna impedance optimization
Application Number
9/532922
Publication Number
6920315 (B1)
Application Date
March 22, 2000
Publication Date
July 19, 2005
Inventor
Mark Gordon Douglas
Cary
NC, US
Bruce Emerson Wilcox
Cary
NC, US
Agent
Coats & Bennett P L L C
Assignee
Ericsson
NC, US
IPC
H01Q 011/12
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