1
Jianglei Ma, Wen Tong, Ming Jia, Peiying Zhu, Dong Sheng Yu: Dual-mode shared OFDM methods/transmitters, receivers and systems. Nortel Networks, June 23, 2009: US07551546 (142 worldwide citation)

A wireless terminal and network terminal are provided for implementing a new uplink OFDM protocol. In the new protocol, the wireless terminal has a first transmit chain for generating and transmitting a low rate mode OFDM transmission in a first frequency band of the OFDM band; and a second transmit ...


2
Jianglei Ma, Ming Jia, Peiying Zhu, Wen Tong, Dong Sheng Yu: Soft handoff for OFDM. Withrow & Terranova PLLC, May 9, 2006: US07042858 (114 worldwide citation)

The present invention relates to soft handoffs in an OFDM system. Each mobile terminal measures pilot signal strengths of transmissions from adjacent base stations. If the pilot signal strength for a base station exceeds the defined threshold, that base station is added to an active set list. Each m ...


3
Ming Jia, Jianglei Ma, Peiying Zhu, Dong Sheng Yu, Wen Tong: Adaptive modulation and coding. Nortel Networks, Withrow & Terranova PLLC, September 5, 2006: US07103325 (74 worldwide citation)

The present invention selects a space-time encoding mode to use when transmitting with spatial diversity based on the receive diversity associated with a receiver device and the quality of the transmission channels based on information fed back from the receiver device. The selectable space-time enc ...


4
Hua Xu, Jianglei Ma, Dong Sheng Yu, Ming Jia, Aaron Callard, Mohammadhadi Baligh: Aspects to support LTE-A downlink hi-order MIMO. Research In Motion, Finnegan Henderson Farabow Garrett & Dunner, November 20, 2012: US08315225 (26 worldwide citation)

A method of operation of a MIMO transmitter, in a cellular network supporting both legacy standard-compliant mobile terminals and next generation standard-compliant mobile terminals, the method comprising defining a matrix of resource blocks within an information channel of the cellular network, whe ...


5
Wen Tong, Jianglei Ma, Peiying Zhu, Ming Jia, Dong Sheng Yu: Virtual mimo communication system. Nortel Networks, Withrow & Terranova P L L C, March 24, 2009: US07508798 (23 worldwide citation)

The present invention provides an effective way to create a virtual MIMO transmission system using mobile terminals that have only one transmit path and antenna. This is accomplished by assigning mobile terminals to a group and assigning certain shared resources and user-specific resources to those ...


6
Ming Jia, Jianglei Ma, Peiying Zhu, Dong Sheng Yu, Wen Tong: Method and apparatus for channel quality measurements. Nortel Networks, Christopher & Weisberg P A, August 10, 2010: US07773699 (19 worldwide citation)

A method and apparatus are provided for combining pilot symbols and Transmit Parameter Signalling (TPS) channels within an OFDM frame. The method uses Differential Space-Time Block Coding to encode a fast signalling message at an OFDM transmitter. At an OFDM receiver, the encoded fast signalling mes ...


7
Jianglei Ma, Ming Jia, Peiying Zhu, Wen Tong, Dong Sheng Yu: Soft handoff for OFDM. Nortel Networks, Withrow & Terranova PLLC, January 4, 2011: US07864735 (12 worldwide citation)

The present invention relates to soft handoffs in an OFDM system. Each mobile terminal measures pilot signal strengths of transmissions from adjacent base stations. If the pilot signal strength for a base station exceeds the defined threshold, that base station is added to an active set list. Each m ...


8
Jianglei Ma, Wen Tong, Ming Jia, Peiying Zhu, Dong Sheng Yu: Channel mapping for OFDM. Nortel Networks, Withrow & Terranova PLLC, January 8, 2008: US07317680 (12 worldwide citation)

The present invention provides a technique for supporting variable bitrate services in an OFDM environment while minimizing the impact of the variations of fading channels and interference. In general, a basic access channel (BACH) is defined by a set number of sub-carriers over multiple OFDM symbol ...


9
Wen Tong, Ming Jia, Jianglei Ma, Peiying Zhu, Dong Sheng Yu: Combined space-time decoding. Nortel Networks, Withrow & Terranova PLLC, July 1, 2008: US07394860 (11 worldwide citation)

The present invention relates to decoding space time coded (STC) signals transmitted from a number of transmit antennas. First, a separate detection technique is used to determine initial decoding solutions corresponding to the symbols transmitted from each of a number of transmit antennas at a give ...


10
Mo Han Fong, Sophie Vrzic, Robert Novak, Jun Yuan, Dong Sheng Yu: Methods and systems for HARQ protocols. Apple, Meyertons Hood Kivlin Kowert & Goetzel P C, September 3, 2013: US08527829 (10 worldwide citation)

Methods described herein are for wireless communication systems. One aspect of the invention is directed to a method for a HARQ process, in which the HARQ process includes a first transmission of an encoder packet and at least one retransmission. The method involves allocating a transmission resourc ...