1
Kiomars Anvari: Feed-forward power amplifier system with adaptive control and control method. Aval Communications, Kenneth R Allen, Townsend and Townsend and Crew, January 16, 1996: US05485120 (110 worldwide citation)

An adaptive control system and method for use with a feed-forward linear amplifier, and in particular a multi-channel linear amplifier wherein a distortion (error) detection circuit is used for detecting a nonlinear distortion component of a main amplifier output for using in correcting distortion i ...


2
Kiomars Anvari: Synchronization apparatus for a diversity receiver. TCSI Corporation, Ronald L Limbach & Limbach Yin, October 24, 1995: US05461646 (96 worldwide citation)

A diversity combiner for a digital receiver receives a plurality of complex baseband signals (S.sub.1 (t), S.sub.2 (t)) each having an associated receive signal strength-intensity signal (RSSI.sub.1, RSSI.sub.2). The combiner differentially detects each of the complex baseband signals (S.sub.1 (t), ...


3
Kiomars Anvari: Method and apparatus for combined frequency offset and timing offset estimation. Teknekron Communications System, Limbach & Limbach, October 19, 1993: US05255290 (81 worldwide citation)

A method and apparatus for generating a frequency offset estimate and a timing offset estimate from a base band signal. In an important application of the invention, a modulated carrier signal is transmitted over a transmission channel and then received and demodulated to generate the base band sign ...


4
Glyn Roberts, Kiomars Anvari: Cellular radio-telephone receiver employing improved technique for generating an indication of received signal strength. NovAtel Communications, Cesari and McKenna, August 25, 1992: US05142695 (76 worldwide citation)

In a digital radio-telephone receiver, an open-loop arrangement for generating a received-signal-strength-indicating ("RSSI") value suitable for use in mobile assisted hand-off within a cellular telephone system. The receiver has an amplifier for amplifying a received signal with a gain controlled b ...


5
Willem G Durtler, Kiomars Anvari, Chih C Tsien: Automatic level control circuit for dual mode analog/digital cellular telephone. NovAtel Communications, Cesari and McKenna, August 1, 1995: US05438683 (56 worldwide citation)

An automatic level control circuit for cellular telephone transmitters which is compatible with both existing analog cellular service and expected next generation digital TDMA service. The circuit automatically and dynamically changes modes to maintain communication when a mobile subscriber moves fr ...


6
Kenneth E Scott, Michael Kaube, Kiomars Anvari: Timing and automatic frequency control of digital receiver using the cyclic properties of a non-linear operation. NovAtel Communications, Cesari and McKenna, January 25, 1994: US05282228 (55 worldwide citation)

A technique for correcting the sampling time and carrier frequency error in a receiver for digitally modulated signals. Discrete-time, complex-valued samples of the incoming signal are fed to a pair of non-linear operators such as correlators. The first correlator provides a signal having a first ph ...


7
Kiomars Anvari: Ultra-linear feedforward amplifier with adaptive control and method for adaptive control. Aval Communications, Townsend and Townsend and Crew, January 14, 1997: US05594385 (46 worldwide citation)

An adaptive control system and method is provided in a feed-forward linear amplifier, and in particular a multi-channel linear amplifier, wherein analyzed distortion or error detection of nonlinear distortion components of the output signal of a main amplifier element is used to correct distortion i ...


8
Kiomars Anvari: Cancellation loop, for a feed-forward amplifier, employing an adaptive controller. Aval Communications, Kenneth R Allen, Townsend and Townsend and Crew, March 11, 1997: US05610554 (38 worldwide citation)

An adaptive control system and method is provided in a feed-forward linear amplifier, and in particular a multi-channel linear amplifier, wherein analyzed distortion or error detection of nonlinear distortion components of the output signal of a main amplifier element is used to correct distortion i ...


9
Kiomars Anvari, Glyn Roberts: Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding. NovAtel Communications, Cesari and McKenna, October 20, 1992: US05157697 (34 worldwide citation)

A receiver suitable for use in a radio-telephone system for recovering data from encoded, quadrature-modulated communication signals employs a feedback arrangement for suppressing cross-talk between the receiver's in-phase and quadrature channels to improve data recovery rates during decoding. The r ...


10
Kiomars Anvari: Method for accurate signal-to-interference measurement for wireless communication receivers. Transamerica Business Credit Corporation, Kenneth R Allen, Townsend and Townsend and Crew, August 6, 2002: US06430237 (23 worldwide citation)

An interference measurement technique in for example a wireless receiver uses a received, unprocessed signal and correlates it with a signal reconstructed from detected information, then compares a square of the correlated signal with a square of the received signal to produce a signal-to-interferen ...