1
Ryuji Kohno, Masayoshi Abe, Noboru Sasho, Shinichiro Haruyama, Robert Henry Morelos Zaragoza, Francis Swarts, Pieter Van Rooyen, Yukitoshi Sanada, Lachlan Bruce Michael, Hamid Amir Alikhani, Veselin Brankovic: Universal platform for software defined radio. Sony Corporation, Sony International, William S Frommer, Sam S Lee, Frommer Lawrence & Haug, November 23, 2004: US06823181 (123 worldwide citation)

The universal platform for the SDR of the present invention employs the direct conversion approach with the n-port MMIC followed by reconfigurable reprogrammable devices such as DSP's or FPGA's. The universal platform is based on the linear operation of the devices. Thus, the DC offset pro ...


2
Pieter van Rooyen, Danie van Wyk: Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements. Broadcom Corporation, McAndrews Held & Malloy, June 24, 2008: US07392025 (57 worldwide citation)

An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels being separate and distinct from the N ...


3
Pieter van Rooyen: Method and system for increasing data rate in a mobile terminal using spatial multiplexing for DVB-H communication. Broadcom Corporation, McAndrews Held & Malloy, January 26, 2010: US07653415 (52 worldwide citation)

A method and system for increasing data rate in a mobile terminal using spatial multiplexing for digital video broadcasting for handhelds (DVB-H) communication are provided. A reconfigurable orthogonal frequency division multiplexing (OFDM) chip may be utilized in a mobile terminal to process receiv ...


4
Mark Kent, Vinko Erceg, Uri M Landau, Pieter van Rooyen: MIMO Phone. Broadcom Corporation, Sterne Kessler Goldstein & Fox PLLC, April 10, 2012: US08155613 (42 worldwide citation)

In a RF communications system, aspects for single weight antenna system for HSDPA may comprise receiving HSDPA signals via a plurality of receive antennas and individually adjusting a phase of a portion of the received HSDPA signals via a single weight. The phase adjusted portion of the received HSD ...


5
Severine Catreux, Vinko Erceg, Pieter Roux, Pieter Van Rooyen, Jack Winters: Multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining. Broadcom Corporation, McAndrews Held & Malloy, October 26, 2010: US07822140 (37 worldwide citation)

A receiver operatively coupled to an antenna structure capable of receiving a first plurality of RF signals is disclosed herein. The receiver includes an RF processing network operative to perform weighting and combining operations within the RF domain using the first plurality of RF signals so as t ...


6
Severine Catreux, Vinko Erceg, Pieter Roux, Pieter van Rooyen, Jack Winters: Frequency selective transmit signal weighting for multiple antenna communication systems. Broadcom Corporation, McAndrews Held & Malloy, May 19, 2009: US07535969 (29 worldwide citation)

A system and method for generating transmit weighting values for signal weighting that may be used in various transmitter and receiver structures is disclosed herein. The weighting values are determined as a function of frequency based upon a state of a communication channel and the transmission mod ...


7
Chengjin Zhang, Jun Zheng, Pieter van Rooyen: Method and system for greedy user group selection with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback. Broadcom Corporation, McAndrews Held & Malloy, April 7, 2009: US07515878 (26 worldwide citation)

Aspects of a greedy search user group selection scheme with range reduction for FDD multiuser MIMO downlink transmission with finite-rate channel state information feedback are provided. The method may comprise receiving feedback information via a communication channel for a plurality of users in a ...


8
Severine Catreux, Vinko Erceg, Pieter Roux, Pieter Van Rooyen, Jack Winters: Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining. Broadcom Corporation, McAndrews Held & Malloy, May 26, 2009: US07539274 (22 worldwide citation)

A signal weighting and combining method implemented within a receiver having a plurality of receive antennas is disclosed herein. Each receive antenna is disposed to produce a received RF signal in response to a transmitted RF signal received through a channel. The method includes weighting the plur ...


9
Jun Zheng, Chengjin Zhang, Pieter van Rooyen: Method and system for an improved user group selection scheme with finite-rate channel state information feedback for FDD multiuser MIMO downlink transmission. McAndrews Held & Malloy, December 8, 2009: US07630337 (21 worldwide citation)

Certain embodiments of the invention may be found in a method and system for an improved user group selection scheme with finite-rate channel state information feedback for frequency division duplex (FDD) multiuser multiple-input-multiple-output (MIMO) downlink transmission. Aspects of the method ma ...


10
Mark Kent, Vinko Erceg, Uri M Landau, Pieter Van Rooyen: Method and system for weight determination in a spatial multiplexing MIMO system for WCDMA/HSDPA. Broadcom Corporation, McAndrews Held & Malloy, January 27, 2009: US07483675 (19 worldwide citation)

Certain aspects of the method may comprise generating models for a received plurality of spatially multiplexed communication signals for multiple channels from a plurality of transmit antennas. A calculated signal to noise ratio (SNR) of each multiple channel may be maximized based on the generated ...



Click the thumbnails below to visualize the patent trend.