1
Hui Ling Lou, Carl Erik Wilhelm Sundberg: Coded modulation for digital storage in analog memory devices. Lucent Technologies, Ryan Mason & Lewis, April 3, 2001: US06212654 (121 worldwide citation)

Digital data is stored in an analog memory device using coded modulation techniques. The memory device includes a number of memory cells, each capable of storing one of a number of different levels. A given set of b information bits to be stored in the memory device is first coded in a convolutional ...


2
Rohit U Nabar, Hongyuan Zhang, Hui Ling Lou: Access point with simultaneous downlink transmission of independent data for multiple client stations. Marvell Word Trade, March 27, 2012: US08144647 (90 worldwide citation)

A wireless network device comprises R modulation modules that receive R independent data streams, that modulate the R independent data streams, and that apply a multiplexing matrix to generate M modulated and multiplexed data streams, respectively, where R and M are integers greater than one. M summ ...


3
Hui Ling Lou, Vijitha Weerackody: Transmitter and method for transmitting information packets with incremental redundancy. Lucent Technologies, August 12, 1997: US05657325 (73 worldwide citation)

The present invention provides an improved wireless transmitter and method for transmitting incremental redundancy. In one illustrative embodiment of the present invention, switched antenna diversity is used in conjunction with punctured error correction codes to provide an independently fading chan ...


4
Hongyuan Zhang, Hui Ling Lou, Rohit U Nabar, Yong Liu: Sounding and steering protocols for wireless communications. Marvell World Trade, September 18, 2012: US08270909 (68 worldwide citation)

The present disclosure includes systems, apparatuses, and techniques relating to wireless local area network devices. Systems, apparatuses, and techniques include communicating with multiple wireless communication devices to determine characteristics of spatial wireless channels, determining steerin ...


5
Hui Ling Lou, Zulfiquar Sayeed, Vijitha Weerackody: Tuning scheme for code division multiplex broadcasting system. Agere Systems, April 5, 2005: US06876623 (66 worldwide citation)

A CDM satellite transmission system is disclosed that broadcasts programming content, such as audio and video information, using one or more geo-synchronous satellites based on Code Division Multiple Access technology. Forward error correction coding and interleaving are used prior to broadcasting t ...


6
Rajeev Krishnamoorthy, Hui Ling Lou, Harish Viswanathan: Methods and apparatus for parallel decision-feedback decoding in a communication system. Lucent Technologies, Ryan Mason & Lewis, March 12, 2002: US06356586 (57 worldwide citation)

Parallel Decision-Feedback Decoding (PDFD) techniques which provide joint Decision Feedback Equalization (DFE) and decoding of a sequence of transmitted symbols. In an illustrative embodiment, branch metrics associated with transitions between states of a multi-stage trellis are computed. For a give ...


7
Hui Ling Lou, Kok Wui Cheong: Method and apparatus for equalization and decoding in a wireless communications system including plural receiver antennae. Marvell International, June 20, 2006: US07065146 (50 worldwide citation)

Joint equalization and decoding techniques to eliminate the division operations in the Frequency domain Equalizer (FEQ) of an Orthogonal Frequency Division Modulation (OFDM) receiver by incorporating the magnitude of the channel impulse response estimates into the decision metrics in the decoder. Th ...


8
Hui Ling Lou, Rudiger L Urbanke, Vijitha Weerackody: Tuning scheme for error-corrected broadcast programs. Agere Systems Guardian, Law Office of Leo Zucker, April 9, 2002: US06370666 (44 worldwide citation)

First and second source signal streams each associated with a program source are produced. A first error correction code having a first correction delay is applied to the first source signal stream, thus producing a first error-corrected source signal stream that is transmitted for reception by a re ...


9
Hui Ling Lou, Kok Wui Cheong, Randy Tsang: Adaptive channel bandwidth selection for MIMO wireless systems. Marvell International, June 9, 2009: US07545867 (43 worldwide citation)

A wireless communications device for a multiple input multiple output wireless communications system includes a radio frequency transceiver that includes at least two antennae and a medium access control device that includes a link adaptation module. The link adaptation module dynamically adjusts a ...


10
Rohit U Nabar, Hongyuan Zhang, Hui Ling Lou: Wireless network with simultaneous uplink transmission of independent data from multiple client stations. Marvell World Trade, April 3, 2012: US08149811 (43 worldwide citation)

A wireless network including client stations and an access point. A first set of client stations transmit uplink user data during a simultaneous uplink transmission period without sensing channel prior to transmitting the uplink user data. A second set of client stations transmit the uplink user dat ...