1
Arogyaswami J Paulraj, Peroor K Sebastian, Jose Tellado, Robert W Heath Jr, Shilpa Talwar, Helmut Bölcskei: Wireless communication system and method using stochastic space-time/frequency division multiplexing. Iospan Wireless, Lumen Intellectual Property Services, April 23, 2002: US06377632 (103 worldwide citation)

A method and apparatus for wireless transmission of a digital bit stream. The present method employs diversity techniques to minimize multipath fading. Digital bits are converted into symbols and the symbols are provided to a number of diversity branches. Each diversity branch has its own antenna. T ...


2
Helmut Boleskei, Peroor K Sebastian, Shilpa Talwar, Arogyaswami J Paulraj: Diversity transmitter based on linear transform processing of transmitted information. Iospan Wireless, Brian R Short, August 27, 2002: US06442214 (58 worldwide citation)

The present invention provides a diversity transmission system. The diversity transmission system includes a diversity transmitter receiving incoming symbols. The diversity transmitter includes at least one transmitter antenna transmitting a plurality of multi-carrier modulated signals. Each multi-c ...


3
Shilpa Talwar: Robust multiple chain receiver. Intel Corporation, Michael A Proksch, March 14, 2006: US07012978 (52 worldwide citation)

The present invention provides a method and system for receiving a plurality of transmission signals at a receiver, the transmission signals each traveling through a corresponding transmission channel. The receiver includes a plurality of receiver channels, a receiver channel corresponding to each t ...


4
Timothy F Cox, Francis D Natali, John E Ohlson, Shilpa Talwar: Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ODS-CDMA) communications system. Stanford Telecommunications, Jim Zegeer, May 13, 2003: US06563808 (49 worldwide citation)

An ODS-CDMA communications system is disclosed with at least one hub station and a plurality of user terminals. Each user is assigned a code which is orthogonal to all of the other user codes. The orthogonal code period is chosen such that the code repeats an integer number of times in a data symbol ...


5
Dhananjay Gore, Sumeet Sandhu, Shilpa Talwar, Arogyaswami J Paulraj: System and method for transmit diversity base upon transmission channel delay spread. Intel Corporation, James S Finn, Intel Corporation, February 26, 2008: US07336719 (24 worldwide citation)

The present invention provides a diversity transmission system. The diversity transmission system includes a method and system of diversity transmission through a wireless channel formed between multiple transmission antennae of a transceiver and a subscriber unit. The method includes forming a stre ...


6
Shilpa Talwar, Jose Tellado: System and method for adjusting a power level of a transmission signal. Intel Corporation, Michael A Proksch, May 10, 2005: US06891902 (14 worldwide citation)

The invention includes an apparatus and a method for adjusting a power level of a transmission signal for minimal distortion. The method includes modulating the transmission signal. The modulated transmission signal is processed to reduce a peak to average ratio of the modulated transmission signal ...


7
Hongmei Sun, Hua Yang, Shilpa Talwar, Nageen Himayat, Clark Chen: User group-based adaptive soft frequency reuse method to mitigate downlink interference for wireless cellular networks. Intel Corporation, Carrie A Boone P C, December 13, 2011: US08078185 (13 worldwide citation)

A novel soft fractional frequency reuse (FFR) technique is disclosed. The novel FFR technique includes reuse partition and power restriction, dynamic user grouping, channel quality indicator feedback based on reuse, and a user group-based interference aware scheduler. The FFR technique reduces co-ch ...


8
Kamran Etemad, Vivek Gupta, Kerstin Johnsson, Shilpa Talwar, Rongzhen Yang, Nageen Himayat: Opportunistic device-to-device communication. Intel Corporation, Schwabe Williamson & Wyatt P C, December 2, 2014: US08902855 (11 worldwide citation)

Embodiments of computer-implemented methods, systems, computing devices, and computer-readable media are described herein for opportunistically transitioning service flows of mobile devices between being direct and indirect. In various embodiments, a proximity between first and second mobile devices ...


9
Jing Zhu, Xiangying Yang, Shilpa Talwar, Muthaiah Venkatachalam: Macro-to-femto cell reselection. Intel Corporation, Cool Patent P C, Kenneth J Cool, Joseph P Curtin, November 13, 2012: US08311545 (7 worldwide citation)

The present invention discloses a method including: storing identification information or location information for a handover previously performed by a mobile system; estimating when the mobile system enters within a coverage area of a target femtocell; recognizing the coverage area based on the ide ...


10
Wendy C Wong, Shilpa Talwar: Techniques for wireless communications networks employing beamforming. Intel Corporation, Kacvinsky Daisak PLLC, April 3, 2012: US08150399 (7 worldwide citation)

Techniques involving beamforming are disclosed. For example, For instance an apparatus may select a first mobile station served by a first base station and a second mobile station served by a second base station. Based on this selection, a quality metric may be determined that is based on a strength ...