Issued U.S. Patents

• 7,174,172 - System and method for asset location in wireless networks     • 7,164,929 - Method and apparatus for location tracking in a multi-path environment     • 7,069,024 - System and method for determining location of rogue wireless access point   • 7,039,358 - Coexistence techniques in wireless networks     • 7,019,663 - RF tracking System and method     • 6,990,587 - Cryptographic architecture for secure, private biometric identification     • 6,925,094 - System and method for wireless network channel management     • 6,853,293 - Wearable communication system     • 6,735,445 - System and method for medium access control in a wireless network     • 6,577,609 - Local addressing of mobile units in a WLAN with multicast packet addressing     • 6,411,608 - Method and apparatus for variable power control in wireless communications systems     • 5,953,143 - Multidimensional switching networks     • 5,742,593 - On-line distributed TDMA/FDMA/CDMA link assignment in mobile radio networks with     flexible directivity     • 5,652,751 - Architecture for mobile radio networks with dynamically changing topology using virtual     subnets     • 5,495,356 - Multidimensional switching networks     • 4,867,820 - Preparation of laminated structure containing an optical fiber     • 4,847,596 - Wallpaper comprising an optical fibre