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Inventor:
Tsai; Jiann-An
Address:
Plano, TX
No. of patents:
20
Patents:












Patent Number Title Of Patent Date Issued
8582535 Apparatus and method for scheduling hybrid ARQ acknowledgment messages in a wireless network November 12, 2013
A base station for use in wireless network that communicating with subscriber stations according to a multicarrier protocol. The base station receives uplink signals transmitted by the subscriber stations and measures the channel quality of each uplink acknowledgment signal channel.
8301956 Methods and apparatus to improve communication in a relay channel October 30, 2012
A system and method for relaying data communications in a Hybrid Automatic Repeat Request (HARQ) network. The system and method operable to receive a data communication packet from a base station during a first transmission time interval and simultaneously receive an acknowledgement
8274937 Method and apparatus for beamforming in OFDM wireless system September 25, 2012
Systems and methods are disclosed for use in a wireless network that promotes simultaneous beamforming. These systems and methods include determining the Channel Quality Indicator (CQI) and Best Beam Index (BBI) for communications between a plurality of mobile stations and a base sta
8265190 Multiple antennas transmit diversity scheme September 11, 2012
A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to r
8265189 Multiple antennas transmit diversity scheme September 11, 2012
A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to r
8254492 Transmit diversity in a wireless communication system August 28, 2012
A method for transmitting data via multiple antennas by modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to result in a plurality of
8254487 Method and apparatus of codebook-based single-user closed-loop transmit beamforming (SU-CLTB) fo August 28, 2012
A method includes broadcasting, at a transmitter, messages comprising antenna configuration, antenna spacing and a number of antenna of the transmitter and reference signals; generating, at a receiver, a codebook comprising a plurality of antenna beams based on the broadcasted messag
8243774 System and method for information scrambling in a wireless communication system August 14, 2012
The present disclosure relates generally to a system and method for scrambling in a wireless communication system. In one example, the method includes receiving a bit group representing at least a portion of a signal, where a total number of bits in the bit group is defined by a modu
8243693 Apparatus and method for broadcast pilot transmission in a wireless communication network August 14, 2012
A base station that communicates with subscriber stations in an OFDM wireless network. The base station transmits broadcast data and unicast data to the subscriber stations from a plurality of antennas using multiple-input, multiple-output (MIMO) techniques. The base station transmit
8238455 Methods and apparatus for downlink PDSCH power setting August 7, 2012
Methods and apparatus for transmitting power setting information in a downlink Physical Downlink Shared Channel (PDSCH) in a communication system. In this communication system, a plurality of methods for calculating traffic-to-pilot ratios (T2P) are established. In addition, a mappin
8218563 Method and system for providing adaptive modulation and coding in a multi-carrier wireless netwo July 10, 2012
A method of providing adaptive modulation and coding in a multi-carrier wireless network that includes a plurality of subscriber stations is provided. The method includes, for each of the subscriber stations, selecting a type of modulation and a coding rate based on a signal-to-inter
8155232 Multiple antennas transmit diversity scheme April 10, 2012
A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to r
8139550 Apparatus and method for transmitting ACK/NACK messages in a wireless communication system March 20, 2012
A base station for use in wireless network that communicates with subscriber stations according to a multicarrier protocol. The base station receives an uplink subframe comprising a plurality of blocks. Each of the blocks comprises up to N subcarriers transmitted by the subscriber st
8116267 Method and system for scheduling users based on user-determined ranks in a MIMO system February 14, 2012
In a wireless network comprising a plurality of subscriber stations and a base station capable of providing service to the subscriber stations, a subscriber station is provided that includes a rank selector and a scheduling data reporter. The rank selector is operable to select a rank
8077793 System and method for space-frequency rate control in a MIMO wireless communication network December 13, 2011
A base station that communicates with subscriber stations in an OFDM wireless network. The base station transmits a first data stream and a second data stream to a subscriber station using a first virtual antenna and a second virtual antenna. The base station allocates first data sym
7991063 Transmission symbols mapping for antenna diversity August 2, 2011
Methods and apparatus for transmitting data via multiple antennas by using antenna diversity. A transmission diversity scheme is established such that two transmission matrices that are in accordance with the space frequency block code combined with Frequency switched transmit diversity
7986741 Method and apparatus of improved circular buffer rate matching for turbo-coded MIMO-OFDM wireles July 26, 2011
Methods and apparatus for determining the starting points of redundancy version transmissions in a circular rate matching operation. At least one block of information bits to be transmitted are encoded to generate a plurality of coded bits, which are then segmented into a plurality of
7924775 Apparatus and method for selecting modulation and filter roll-off to meet power and bandwidth re April 12, 2011
A base station for use in a wireless network that communicates according to a multi-carrier protocol. The base station receives an uplink signal transmitted by a first subscriber station. The first subscriber station transmits using a configurable spectral shaping filter and a selectable
7904034 Method and system for providing an interference cancellation in a wireless communication system March 8, 2011
A system, a receiver apparatus, a transmitter apparatus and a method for inter-user interference cancellation when simultaneous transmissions from two wireless users to the same base station are repeated using the same time-frequency resource. The percentage of interference cancellation
7865153 Apparatus and method for transmit diversity and beamforming in a wireless network January 4, 2011
A base station for use in a wireless network communicating with a plurality of subscriber stations. The base station transmits in a downlink channel to a first subscriber station using a plurality of transmit antennas. The base station transmits to the first subscriber station using










 
 
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