31
Eric J Salyers, Shawn H Gallagher: Managed access system with mobile wireless device geolocation capability. HARRIS CORPORATION, Allen Dyer Doppelt Milbrath & Gilchrist P A Attorneys at Law, February 28, 2017: US09584252 (5 worldwide citation)

A managed access system for mobile wireless devices (MWDs) in a facility that is geographically within a wireless communications network includes a plurality of antennas arranged at the facility. Radio equipment is coupled to the antennas. A management access controller cooperates with the radio equ ...


32
Nicholas Hedley Willis: Methods for determining proximity between radio frequency devices and controlling switches. Eckey Corporation, Iandiorio Teska & Coleman, July 29, 2014: US08792826 (5 worldwide citation)

The invention relates to a method of determining the proximity of radio frequency devices using the analysis of a series of receive signal strength indicator (RSSI) values. In particular the invention further relates to a method for the control of a switch based on the proximity of the radio frequen ...


33
James E O Toole, John R Tuttle, Mark E Tuttle, Tyler Lowrey, Kevin M Devereaux, George E Pax, Brian P Higgins, David K Ovard, Shu Sun Yu, Robert R Rotzoll: Method and apparatus for wireless communication of identification information between radio frequency devices. Round Rock Research, Gazdzinski & Associates PC, August 31, 2010: US07786845 (5 worldwide citation)

Identification information is wirelessly communicated between radio frequency devices. In one embodiment, a first wireless device transmits a signal to request identification information. Other wireless devices are each affixed a respective item, and each of the other wireless devices determines if ...


34
Ting Wah Wong, Chong L Woo: Integrated radio frequency circuits. Altera Corporation, Martine Penilla & Gencarella, April 4, 2006: US07022566 (5 worldwide citation)

An RF circuit may be formed over a triple well that creates two reverse biased junctions. By adjusting the bias across the junctions, the capacitance across the junctions can be reduced, reducing the capacitive coupling from the RF circuits to the substrate, improving the self-resonance frequency of ...


35
Kevin J Negus, James A Proctor Jr: Self organizing backhaul radio. CBF NETWORKS, Nixon Peabody, July 18, 2017: US09713019 (4 worldwide citation)

A self-organizing backhaul radio (SOBR) and related arrangements are disclosed. A “primary” link between an first SOBR enabled radio and a second SOBR radio includes a secondary transmission link, referred to as a signature control channel (SCC), as a spread spectrum modulated signal embedded within ...


36
Dev V Gupta, Zhiguo Lai: Broadband analog radio-frequency integrator. Newlans, Hamilton Brook Smith & Reynolds P C, October 21, 2014: US08866531 (4 worldwide citation)

Broadband analog radio-frequency devices can be used to create building blocks for scalable analog signal processors that operate over bandwidths of 50 MHz to 20 GHz or more. Example devices include integrators (transconductors), digitally controlled attenuators, buffers, and scalable summers implem ...


37
Joakim Linde, Aysegul Findikli, Sven Jerlhagen, Ritesh Vishwakarma: Method and apparatus for co-location of two radio frequency devices. Broadcom Corporation, Sterne Kessler Goldstein & Fox P L L C, November 22, 2011: US08064839 (4 worldwide citation)

A method for avoiding signal interference between a first RF device and a second RF device is provided. The first and second RF devices are co-located and the first RF device is configured to operate within a semi-stationary range of a frequency band. The second RF device is configured to operate by ...


38
Joakim Linde, Aysegul Findikli, Sven Jerlhagen, Ritesh Vishwakarma: Method and apparatus for co-location of two radio frequency devices. Broadcom Corporation, Sterne Kessler Goldstein & Fox P L L C, May 18, 2010: US07720507 (4 worldwide citation)

A method for avoiding signal interference between a first RF device and a second RF device is provided. The first and second RF devices are co-located and the first RF device is configured to operate within a semi-stationary range of a frequency band. The second RF device is configured to operate by ...


39
Ki Y Nam, Thinh Dat Do: Method and apparatus for optimum biasing of cascaded MOSFET radio-frequency devices. Paradigm Wireless Systems, Blakely Sokoloff Taylor & Zafman, February 18, 2003: US06522197 (4 worldwide citation)

Generally, the invention relates to a method and apparatus to improve the performance of multi-stage radio frequency linear power amplifiers. More particularly, the present invention discloses a cascaded gain expansion stage and gain compression stage at differing bias levels to produce an amplifier ...


40
Willis Nicholas Hedley: Methods for determining proximity between radio frequency devices and controlling switches. Resonance Holdings, Willis Nicholas Hedley, PARKER Stephen Robert, October 11, 2007: WO/2007/114716 (4 worldwide citation)

The invention relates to a method of determining the proximity of radio frequency devices using the analysis of a series of receive signal strength indicator (RSSI) values. In particular the invention further relates to a method for the control of a switch based on the proximity of the radio frequen ...