公开(公告)号：MY151532A

公开(公告)日：2014-05-30

申请号：MYPI20080389

申请日：2006-08-22

Applicant: INTERDIGITAL TECH CORP

Inventor： GUODONG ZHANG ,  JUNG-LIN PAN KYLE ,  YINGMING TSAI ALLAN

IPC: H04J1/00

Abstract: A METHOD AND APPARATUS FOR ACCESSING A CONTENTION-BASED UPLINK RANDOM ACCESS CHANNEL (RACH) IN A SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS (SC-FDMA) SYSTEM ARE DISCLOSED. A WIRELESS TRANSMIT/RECEIVE UNIT (WTRU) RANDOMLY SELECTS O A RACH SUBCHANNEL AND A SIGNATURE AMONG A PLURALITY OF AVAILABLE RACH SUBCHANNELS AND SIGNATURES. THE WTRU (500) TRANSMITS A PREAMBLE USING THE SELECTED SIGNATURE VIA THE SELECTED RACH SUBCHANNEL AT A PREDETERMINED OR COMPUTED TRANSMISSION POWER. A BASE STATION (600) MONITORS THE RACH TO DETECT THE PREAMBLE AND SENDS AN ACQUISITION INDICATOR (AI) TO THE WTRU (500) WHEN A SIGNATURE IS DETECTED ON THE RACH. WHEN RECEIVING A POSITIVE ACKNOWLEDGEMENT, THE WTRU (500) SENDS A MESSAGE PART TO THE BASE STATION (600). IF RECEIVING A NEGATIVE ACKNOWLEDGEMENT OR NO RESPONSE, THE WTRU (500) RETRANSMITS THE PREAMBLE. (THE MOST ILLUSTRATIVE DRAWING IS

公开(公告)号：MY152640A

公开(公告)日：2014-10-31

申请号：MYPI20091779

申请日：2007-10-30

Applicant: INTERDIGITAL TECH CORP

Inventor： JUNG-LIN PAN KYLE ,  TSAI ALLAN Y

IPC: H04L1/06

Abstract: A METHOD AND APPARATUS FOR PROCESSING FEEDBACK IMPLEMENTED IN A WIRELESS TRANSMIT/RECEIVE UNIT (WTRU) (110) COMPRISES ESTIMATING A CHANNEL MATRIX. THE EFFECTIVE CHANNEL IS CALCULATED AND A PRECODING MATRIX IS SELECTED. FEEDBACK BITS ARE GENERATED AND TRANSMITTED.

公开(公告)号：MY151949A

公开(公告)日：2014-07-31

申请号：MYPI20093948

申请日：2008-03-20

Applicant: INTERDIGITAL TECH CORP

Inventor： JUNG-LIN PAN KYLE ,  GRIECO DONALD M

IPC: H04K1/10

Abstract: THE TRANSMISSION AND DECODING OF RESOURCE BLOCKS, RBs (125) TRANSMITTED VIA A MULTIPLE-INPUT MULTIPLE-OUTPUT, MIMO ANTENNA (120) HAVING A PLURALITY OF TRANSMIT ANTENNAS IS DISCLOSED. EACH RB INCLUDES A PLURALITY OF RESOURCE ELEMENTS, REs. EACH RE IS RESERVED FOR ONE OF A COMMON REFERENCE SIGNAL, CRS ASSOCIATED WITH ONE OF THE TRANSMIT ANTENNAS, A DEDICATED REFERENCE SIGNAL, DRS INCLUDING A SINGLE BEAMFORMED OR PRECODED PILOT, A DRS INCLUDING A COMPOSITE BEAMFORMED OR PRECODED PILOT, AND A DATA SYMBOL. EACH RB MAY INCLUDE A ?CONTROL TYPE? DATA SYMBOL THAT INDICATES A DRS MODE ASSOCIATED WITH THE RB. IN ONE DRS MODE, EACH DRS INCLUDES A SINGLE BEAMFORMED OR PRECODED PILOT. IN ANOTHER DRS MODE, EACH DRS INCLUDES A COMPOSITE BEAMFORMED OR PRECODED PILOT. IN YET ANOTHER DRS MODE, SINGLE BEAMFORMED OR PRECODED PILOTS, AND COMPOSITE BEAMFORMED OR PRECODED PILOTS, MAY COEXIST AND BE TRANSMITTED SIMULTANEOUSLY WITHIN THE SAME RBs (125) OR IN DIFFERENT RBs.

公开(公告)号：AR067619A1

公开(公告)日：2009-10-14

申请号：ARP080103141

申请日：2008-07-21

Applicant: INTERDIGITAL TECH CORP

Inventor： OLESEN ROBERT L ,  JUNG-LIN PAN KYLE

IPC: H04B7/005

Abstract: Se divulga un método y un aparato de comunicaciones inalámbricas para codificar y decodificar los vectores de formacion de haz. Una estacion base envía senalizacion explícita para un vector de formacion de haz de una unidad de transmision/recepcion inalámbrica (WTRU) y senalizacion implícita para vectores de formacion de haz de WTRUs que interfieren. Cada WTRU utiliza su propio vector de formacion de haz para estimar los vectores de formacion de haz de cada una de las otras WTRUs.

公开(公告)号：MY148998A

公开(公告)日：2013-06-28

申请号：MYPI20094587

申请日：2008-04-29

Applicant: INTERDIGITAL TECH CORP

Inventor： JUNG-LIN PAN KYLE

IPC: H03M13/00

Abstract: A METHOD AND APPARATUS FOR FEEDBACK TYPE SIGNALING ERROR CHECK, DETECTION, PROTECTION AND FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM. FEEDBACK TYPE SIGNALING MAY INCLUDE CHANNEL QUALITY INDEX, CQI, PRECODING MATRIX INDEX, PMI, RANK AND/OR ACKNOWLEDGE/NON-ACKNOWLEDGE, ACK/NACK. THE DISCLOSURE INCLUDES A WIRELESS TRANSMIT RECEIVE UNIT, WTRU (110) PERFORMING A METHOD THAT INCLUDES PROVIDING A PMI(s), PRODUCING ERROR CHECK, EC BIT(s), CODING THE PMI(s) AND THE EC BIT(s), AND TRANSMITTING THE CODED PMI(s) AND EC BIT(s). THE METHOD MAY BE APPLIED TO OTHER FEEDBACK INFORMATION, SUCH AS CQI, RANK, ACK/NACK AND THE LIKE.

公开(公告)号：MY146867A

公开(公告)日：2012-09-28

申请号：MYPI20080335

申请日：2006-09-25

Applicant: INTERDIGITAL TECH CORP

Inventor： GUODONG ZHANG ,  JUNG-LIN PAN KYLE ,  LIND OLESEN ROBERT ,  YINGMING TSAI ALLAN

IPC: H04L27/26

Abstract: A MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) BEAMFORMING-BASED SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS (SC-FDMA) SYSTEM IS DISCLOSED. AT THE TRANSMITTER (100), A FAST FOURIER TRANSFORM (FFT) (106A...106N) IS PERFORMED ON TRANSMISSION DATA TO GENERATE FREQUENCY DOMAIN DATA. THE FREQUENCY DOMAIN TRANSMIT DATA (107A...107N) IS MAPPED TO ASSIGNED SUBCARRIERS. AN INVERSE FAST FOURIER TRANSFORM (IFFT) (114A...114N) IS PERFORMED ON THE TRANSMIT DATA MAPPED TO THE ASSIGNED SUBCARRIERS TO GENERATE TIME DOMAIN TRANSMIT DATA (115A...115N). THE TIME DOMAIN TRANSMIT DATA (115A...115N) IS TRANSMITTED VIA ANTENNAS (118A...118N). AT A RECEIVER AN FFT IS PERFORMED ON THE RECEIVED DATA TO GENERATE FREQUENCY DOMAIN RECEIVED DATA. SUBCARRIER DEMAPPING IS PERFORMED TO EXTRACT DATA MAPPED ON THE ASSIGNED SUBCARRIERS. A CHANNEL ESTIMATOR GENERATES A CHANNEL MATRIX WHICH IS DECOMPOSED INTO UH OR VD-1UH MATRICES. A CHANNEL DISTORTION AND INTERFERENCE BETWEEN TRANSMIT AND RECEIVE ANTENNAS ARE EQUALIZED BASED ON THE DECOMPOSED CHANNEL MATRICES TO THE EXTRACTED FREQUENCY DOMAIN RECEIVED DATA.