1
Xixian Chen, Neil McGowan, Weigang Li, James R Weisert, Sabeena Abdulmajeed: Trigger for hard handoff from an overlay carrier to an underlying carrier. Nortel Networks, November 21, 2006: US07139575 (42 worldwide citation)

Initiation of a hard handoff at a mobile station from an overlay carrier to an underlying carrier in a wireless telecommunications system may be considered based on a first condition being satisfied. Once the first condition is satisfied, hard handoff may be initiated based on at least one of a plur ...


2
Xixian Chen, Neil N McGowan, Weigang Li, Jeffrey D Stanier, M Khaled Islam, Qiang Shen, Xin Jin: Method and system for controlling device transmit power in a wireless communication network. Nortel Networks, Borden Ladner Gervais, Dennis R Haszko, December 20, 2005: US06977915 (11 worldwide citation)

A method and system for closed loop power control in a wireless communication network. A received signal is despread. The signal power of the despread received signal is estimated. The noise power of the despread received signal is estimated. Estimating the noise power includes multiplying the despr ...


3
Xixian Chen, Guoqiang Xue, Mark Harris, Weigang Li: Method and apparatus of forward link and reverse link power control in a cellular wireless communication system. Nortel Networks, Borden Ladner Gervais, January 20, 2009: US07480516 (8 worldwide citation)

A cellular wireless communication system includes base transceiver stations and mobile stations that operate with a closed loop power control. The mobile tracking is performed based on the lock in and lock out thresholds by the base transceiver stations. A forward link power control bit is decoded f ...


4
Xixian Chen, Vasanta Chivukula, Weigang Li, Guoqiang Xue, Ryan Santa, Miroslav Budic, Brian Troup, Martin Kendall: Method and system for reducing connection set-up time. Ericsson, Potomac Patent Group PLLC, March 13, 2012: US08134963 (2 worldwide citation)

A method of connection setup in mobile wireless data communications systems is disclosed where the connection setup time is decreased for delay-sensitive communications sessions relative to the normal connection setup time for confidence-dependent communications sessions. This is achieved by perform ...


5
Xiaoming Lai, Xixian Chen, Weigang Li: Handover improvement for high speed user equipment in LTE. Telefonaktiebolaget LM Ericsson, Coats & Bennett P L L C, February 21, 2017: US09578583

Methods and apparatus are disclosed for handing over of a high-speed mobile terminal or user equipment from a source network node to a target network node. Reliable methods for measuring the speed of a moving user equipment are disclosed. Parameters used in a handover procedure are also adjusted in ...


6
Xixian Chen, Xiaoming Lai, Weigang Li: System and method for adjusting transmission parameters of multicast content data. TELEFONAKTIEBOLAGET LM ERICSSON, Sage Patent Group, July 3, 2018: US10015218

According to certain embodiments, methods and systems for providing broadcast multicast service include transmitting, by a network node, a first transmission of multicast content data to wireless devices at a first quality of service level and a second transmission of multicast content data to the w ...


7
Yun Yang, Weigang Li: Method and apparatus for determining hot user generated contents. TENCENT TECHNOLOGY, Anova Law Group PLLC, February 5, 2019: US10198480

According to an example, at least one hot account is determined for each category according to quality scores and correlation degrees of history user generated content (UGCs); after a UGC newly posted by the hot account is received, if a quality score of the newly posted UGC is higher than a predefi ...


8
Weigang Li, Xiaoming Lai, Xixian Chen: Discontinuous transmission for a mobile phone network node. Telefonaktiebolaget LM Ericsson, Patent Portfolio Builders PLLC, February 27, 2018: US09907111

A mobile phone network node may determine traffic load associated with a mobile phone network and initiate discontinuous transmission at a frame level, based at least in part upon, determining that the traffic load is less than a first threshold. The mobile phone network node may further initiate di ...


9
Chao Zheng, Weigang Li: Method of manufacturing a MEMS microphone. SEMICONDUCTOR MANUFACTURING INTERNATIONAL, Kilpatrick Townsend & Stockton, December 4, 2018: US10149079

A method of fabricating a micro electrical-mechanical system (MEMS) microphone on a substrate includes forming a sacrificial layer on a front surface of the substrate, forming a membrane within the sacrificial layer, forming a fixed plate on the sacrificial layer at a location corresponding to a loc ...


10
Weigang Li, Xiaoming Lai, Xixian Chen: Discontinuous transmission for a mobile phone network node. Telefonaktiebolaget L M Ericsson, Baker Botts, December 15, 2015: US09215744

A mobile phone network node may determine traffic load associated with a mobile phone network and initiate discontinuous transmission at a frame level, based at least in part upon, determining that the traffic load is less than a first threshold. The mobile phone network node may further initiate di ...