1
Wanshi Chen, Jelena M Damnjanovic, Peter Gaal, Hao Xu, Tao Luo: Physical layer issues related to multi-TA group support. QUALCOMM Incorporated, Arent Fox, April 7, 2015: US09001780 (28 worldwide citation)

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may determine a number of uplink timing groups configured for a plurality of component carriers, and determine whether to transmit at least one of data or control information on one or more ...


2
Juan Montojo, Tao Luo, Wanshi Chen: Scrambling sequence initialization for coordinated multi-point transmissions. QUALCOMM Incorporated, December 30, 2014: US08923905 (24 worldwide citation)

Methods, systems, apparatus and computer program products are provided for generating a shared initialization code for physical channel data scrambling in an LTE Advanced coordinated multipoint transmission network. This Abstract is provided for the sole purpose of complying with the Abstract requir ...


3
Arturo Chavez Pirson, Shibin Jiang, Wenyan Tian, Dan Nguyen, Tao Luo, Bor Chyuan Hwang: Multi-core optical fiber image amplifier and method of drawing. NP Photonics, Eric A Gifford, October 30, 2007: US07289707 (21 worldwide citation)

A low-noise, high-gain optical image amplifier includes a multi-mode pump source that injects optical energy into an active fiber's inner cladding to excite the dopant ions in a 2-D array of doped cores and provide gain. The cores are arranged to sample and collect light from an image incident on on ...


4
Lu Chen, Jason Kirkwood, Mohan Mahadevan, James A Smith, Lisheng Gao, Junqing, Tao Luo, Richard Wallingford: Systems and methods for detecting defects on a wafer. KLA Tencor, Ann Marie Mewherter, July 17, 2012: US08223327 (16 worldwide citation)

Systems and methods for detecting defects on a wafer are provided. One method includes generating output for a wafer by scanning the wafer with an inspection system using first and second optical states of the inspection system. The first and second optical states are defined by different values for ...


5
Tao Luo: Scrambling methods for synchronization channels. Qualcomm Incorporated, Howard Seo, Larry Moskowitz, April 5, 2011: US07920598 (15 worldwide citation)

Systems and methods are provided that facilitate generation and detection of synchronization channels in a wireless communication system. A one-to-one relationship is established among a set of scrambling codes (SCs) and a set of primary synchronization channel (P-SCH) sequences which are determined ...


6
Siddhartha Mallik, Taesang Yoo, Tao Luo: Reporting of channel information to support coordinated multi-point data transmission. QUALCOMM Incorporated, Steven A Raney, December 24, 2013: US08614981 (15 worldwide citation)

Techniques for reporting channel information are described. In one aspect, a plurality of channel information reporting modes are available to a user equipment (UE) for reporting channel information for coordinated multi-point (CoMP) data transmission. The UE may determine a first channel informatio ...


7
Juan Montojo, Tao Luo, Wanshi Chen: Reference signals for multi-user MIMO communication. QUALCOMM Incorporated, Liem T Do, January 21, 2014: US08634362 (15 worldwide citation)

Methods and apparatuses are provided that facilitate generating sequences for transmitting reference signals (RS) based at least in part on a cell identifier or other parameters common for a plurality of cells. Where the plurality of cells provide similar joint uplink resources to a device in multi- ...


8
Tao Luo, Young Chai Ko: Method and apparatus of signal estimation over generalized fading channel. Texas Instruments Incorporated, Ronald O Neerings, Wade James Brady III, Frederick J Telecky Jr, May 16, 2006: US07046963 (15 worldwide citation)

A methodology of signal estimation over the generalized fading channel can be applied to any parameter whose dB value is required to be estimated. The estimator is shown to be asymptotically efficient in a number of samples and the amount of fading. Theoretical and simulation results confirm that th ...


9
Shibin Jiang, Tao Luo, Qingyun Chen, Sandrine Hocde: ER3+ doped boro-tellurite glasses for 1.5 μm broadband amplification. NP Photonics, Eric A Gifford, February 22, 2005: US06859606 (14 worldwide citation)

A tellurite-based glass composition for use in EDFAs exhibits higher phonon energy without sacrificing optical, thermal or chemical durability properties. The introduction of boron oxide (B2O3) into the Er3+-doped tellurite glasses increases the phonon energy from typically 785 cm−1 up to 1335 cm−1. ...


10
Shibin Jiang, Christine Spiegelberg, Tao Luo: Single-frequency narrow linewidth 2 μm fiber laser. NP Photonics, Eric A Gifford, September 12, 2006: US07106762 (10 worldwide citation)

A compact single frequency, single-mode 2 μm fiber laser with narrow linewidth, <100 kHz and preferably <100 kHz, is formed with a low phonon energy glass doped with triply ionized rare-earth thulium and/or holmium oxide and fiber gratings formed in sections of passive silica fiber and fused thereto ...