公开(公告)号：MY144110A

公开(公告)日：2011-08-15

申请号：MYPI20054637

申请日：2005-09-30

Applicant: QUALCOMM INC

Inventor： LORENZO CASACCIA ,  PRASAD MALLADI DURGA

IPC: H04L27/26

Abstract: O 0405 21 APPARATUS ANM METHOD FOR RECEIVING PAC ICETDA17A ON A SUBSEDTOF CARRIER FREQUENCIES IN A W-IRELESS COMMUNICATION SYSTEM ABSTILACT A IERNOTE STATION FOR A WIRELESS COMMUNICATION SYSIENN INCLUDING A BASE, SLADON IS DISCLOSED. THE REMOTE STATION INCLUDES A FFORIT END STRUCTITRE CONFIGILRED TO RELCV, E PACKET DATA IN PARALLEL ON A SUBSCT OF CARRIER FREQUENCIES. EACH PACKET DATA IS PRECEDED BY A HEADER FIELD FOR IDENFIF)ING THE REMOTE STATION AS LHE RECIPIENT OF THE PACKET DATA AND THE SUBSEL OF CARRIER FREQUENRICS IS BASED ON A SET OF A CORRESPONDING NUINHCR OF MULTIPIC CARRIER FREQUENCIES.

公开(公告)号：AU2011204876A1

公开(公告)日：2011-08-11

申请号：AU2011204876

申请日：2011-07-20

Applicant: QUALCOMM INC

Inventor： JUAN MONTOJO ,  PRASAD MALLADI DURGA ,  ALEKSANDAR DAMNJANOVIC

IPC: H04W74/08

Abstract: Techniques for accessing a wireless communication system are described. A user equipment (UE) sends a random access preamble for system access. The random access preamble may include a random identifier (ID), a channel quality indicator (CQI), etc. The UE may randomly select the 5 random ID or may be assigned this random ID. The UE receives a random access response from a base station. The random access response may include control channel resources (e.g., CQI and PC resources), uplink resources, and/or control information (e.g., timing advance and PC correction) for the UE. The random access response may be sent in two parts using two messages. A first message may be sent on a control channel and may include identification information and possibly other 10 information. A second message may be sent on a shared data channel and may include remaining information for the random access response. co z U) o C -(D 0 (D) 5D wU a) c L. C> CD o 0 Zu E E C-) _0 0 Cl.,

公开(公告)号：AU2007316434B2

公开(公告)日：2011-08-04

申请号：AU2007316434

申请日：2007-11-06

Applicant: QUALCOMM INC

Inventor： HAO XU ,  PRASAD MALLADI DURGA

IPC: H04B7/005

Abstract: A method for a wireless communication includes receiving or storing a peak to average (PAR) back off value; and applying the PAR back off value to determine the transmission power and rate for SIMO and MIMO transmissions. In one aspect, the PAR back off value is at least partially based on modulation type. In another aspect, the PAR back off value is more for higher order QAM than for QPSK. The power allocation algorithm for different UL MIMO schemes is described as follows. For MIMO without antenna permutation (e.g. per antenna rate control), different PAR back off values are considered for different data streams. For MIMO with antenna permutation or other unitary transformation such as virtual antenna mapping or precoding, the PAR back off are determined based on combined channel. The transmission data rate depends on power and also the receiver algorithms such as a MMSE receiver or MMSE-SIC receiver.

公开(公告)号：MY158550A

公开(公告)日：2016-10-14

申请号：MYPI20090397

申请日：2007-08-23

Applicant: QUALCOMM INC

Inventor： JUAN MONTOJO ,  PRASAD MALLADI DURGA ,  BYOUNG-HOON KIM

IPC: H04J3/06

Abstract: SYSTEMS AND METHODS ALLOW CELL ACQUISITION IN A WIRELESS COMMUNICATION SYSTEM IN FREQUENCY DIVISION MULTIPLE ACCESS MODE OF OPERATION. CODE SEQUENCES TRANSMITTED OVER PRIMARY SYNCHRONIZATION CHANNEL (P-SCH) ENABLE DETECTION OF SYMBOL BOUNDARY, CYCLIC PREFIX DURATION, AND INDICATION OF BROADCAST CHANNEL BANDWIDTH. SEQUENCES TRANSMITTED OVER SECONDARY SYNCHRONIZATION CHANNEL (S-SCH) AFFORD RADIO FRAME BOUNDARY DETECTION, CELL IDENTIFICATION, AND BROADCAST CHANNEL BANDWIDTH INDICATION. CELL IDENTIFICATION CAN BE CONVEYED JOINTLY BETWEEN P-SCH AND S-SCH CODES.BROADCAST CHANNEL SEQUENCES CONVEY CYCLIC PREFIX TIMING, SYSTEM BANDWIDTH, AND OTHER SYSTEM INFORMATION. RELAY OF CELL ACQUISITION INFORMATION, AS WELL AS MULTIPLE-CELL ACQUISITION WHEN WIRELESS SYSTEM OPERATES WITH FREQUENCY REUSE ARE DESCRIBED.

公开(公告)号：PH12015502519A1

公开(公告)日：2016-02-29

申请号：PH12015502519

申请日：2015-11-03

Applicant: QUALCOMM INC

Inventor： NAGA BHUSHAN ,  PRASAD MALLADI DURGA ,  YONGBIN WEI ,  PETER GAAL ,  TAO LUO ,  TINGFANG JI ,  BERNARD HORN GAVIN ,  WANSHI CHEN ,  ALEKSANDAR DAMNJANOVIC

IPC: H04W72/04

Abstract: Methods and apparatuses are described in which an unlicensed spectrum is used for Long Term Evolution (LTE) communications. A first method includes receiving feedback information from a user equipment (UE) via a primary component carrier (PCC) uplink in a licensed spectrum. A second method includes transmitting feedback information from a UE to an evolved Node B (eNB) via a PCC uplink in a licensed spectrum. The feedback information may address signals transmitted to the UE via a downlink in an unlicensed spectrum.

公开(公告)号：MY154775A

公开(公告)日：2015-07-31

申请号：MYPI20090926

申请日：2009-03-06

Applicant: QUALCOMM INC

Inventor： ALEKSANDAR DAMNJANOVIC ,  JUAN MONTOJO ,  PRASAD MALLADI DURGA

IPC: H04J1/16 ,  H04W52/16 ,  H04W52/28 ,  H04W52/32 ,  H04W52/50 ,  H04W74/08

Abstract: TECHNIQUES FOR TRANSMITTING RANDOM ACCESS SIGNALING FOR SYSTEM ACCESS ARE DESCRIBED. IN AN ASPECT, RANDOM ACCESS SIGNALING MAY BE SENT BASED ON AT LEAST ONE TRANSMISSION PARAMETER HAVING DIFFERENT VALUES FOR DIFFERENT USER EQUIPMENT (UE) CLASSES. AT LEAST ONE PARAMETER VALUE MAY BE DETERMINED BASED ON A PARTICULAR UE CLASS, AND THE RANDOM ACCESS SIGNALING MAY BE SENT BASED ON THE DETERMINED PARAMETER VALUE(S). THE RANDOM ACCESS SIGNALING MAY BE A RANDOM ACCESS PREAMBLE, AND THE AT LEAST ONE TRANSMISSION PARAMETER MAY INCLUDE A TARGET SNR, A BACKOFF TIME, AND/OR A POWER RAMP. THE RANDOM ACCESS PREAMBLE MAY THEN BE SENT BASED ON A TARGET SNR VALUE, A POWER RAMP VALUE, AND/OR A BACKOFF TIME VALUE FOR THE PARTICULAR UE CLASS. IN ANOTHER ASPECT, A MESSAGE FOR SYSTEM ACCESS MAY BE SENT BASED ON A POWER CONTROL CORRECTION RECEIVED IN A RANDOM ACCESS RESPONSE FOR THE RANDOM ACCESS PREAMBLE.

公开(公告)号：PH12012501866A1

公开(公告)日：2015-05-11

申请号：PH12012501866

申请日：2012-09-20

Applicant: QUALCOMM INC

Inventor： PRASAD MALLADI DURGA ,  BYOUNG-HOON KIM ,  JUAN MONTOJO ,  SANDIP SARKAR

IPC: H04L27/26 ,  H04L1/18 ,  H04L5/00

Abstract: Techniques for sending control information in a wireless communication system are described. In an aspect, a UE spreads control information across frequency with a DFT and across time with an orthogonal sequence to obtain output data for the control information. In one design, the UE receives codewords for N HARQ processes in N downlink subframes, determines an ACK value for each HARQ process, codes N ACK values for the N HARQ processes to obtain ACK information, generates output data for the ACK information, and sends the output data in one of M uplink subframes. In another aspect, first control information is processed based on a first coding and multiplexing scheme utilizing code division multiplexing in time and frequency domains. Second control information is processed based on a second coding and multiplexing scheme utilizing code division multiplexing in time domain and spreading in frequency domain.

公开(公告)号：MY152411A

公开(公告)日：2014-09-30

申请号：MYPI20101526

申请日：2008-10-29

Applicant: QUALCOMM INC

Inventor： JUAN MONTOJO ,  PRASAD MALLADI DURGA

IPC: H04B3/36

Abstract: SYSTEMS AND METHODOLOGIES ARE DESCRIBED THAT FACILITATE ARRANGEMENT AND TRANSMISSION OF CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM. AS DESCRIBED HEREIN, A SCHEDULED TRANSMISSION OF ACKNOWLEDGEMENT (ACK) SIGNALING AND CHANNEL QUALITY INFORMATION (CQI) SIGNALING IN A COMMON SUBFRAME CAN BE ADAPTED FOR NETWORK IMPLEMENTATIONS WITH LIMITED LINK BUDGET WHEREIN ACK SIGNALING IS CONFIGURED FOR REPETITION OVER MULTIPLE SUBFRAMES TO ENSURE A DESIRED ERROR RATE LEVEL FOR THE ACK SIGNALING. TO THESE ENDS, VARIOUS ASPECTS DESCRIBED HEREIN FACILITATE MODIFICATION OF A CODING RATE APPLIED TO ACK SIGNALING TO BE TRANSMITTED WITH DATA BASED ON A REPETITION FACTOR OF THE ACK SIGNALING. ADDITIONALLY AND/OR ALTERNATIVELY, VARIOUS ASPECTS DESCRIBED HEREIN FACILITATE DROPPING OF CQI SIGNALING AND TRANSMISSION OF ONLY ACK SIGNALING ON SUBFRAMES WHERE CQI AND ACK SIGNALING ARE TO BE TRANSMITTED SUBSTANTIALLY SIMULTANEOUSLY AND ACK TRANSMISSION IS CONFIGURED FOR REPETITION OVER MULTIPLE SUBFRAMES.

公开(公告)号：MY151681A

公开(公告)日：2014-06-30

申请号：MYPI20095139

申请日：2008-06-20

Applicant: QUALCOMM INC

Inventor： XIAOXIA ZHANG ,  PRASAD MALLADI DURGA ,  JUAN MONTOJO

IPC: H04L27/26

Abstract: SYSTEMS AND METHODOLOGIES ARE DESCRIBED THAT FACILITATE SELECTING FREQUENCY FOR TRANSMITTING CONTROL CHANNEL FORMAT INDICATOR (CCFI) DATA SUCH TO IDENTIFY A RELATED CELL. IN ONE EXAMPLE, THE CCFI DATA CAN BE TRANSMITTED IN AN INITIAL PORTION OF FREQUENCY (SUCH AS AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYMBOL) IN A TIME TRANSMIT INTERVAL (TTI). THE CCFI DATA CAN BE SPREAD ACROSS THE INITIAL PORTION OF FREQUENCY AND BE SHIFTED TO IDENTIFY THE TRANSMITTING CELL. ADDITIONALLY, THE CCFI DATA CAN BE SCRAMBLED TO FURTHER IDENTIFY THE CELL. THE CCFI DATA CAN ALSO BE UTILIZED TO DETERMINE STRUCTURE OF SUBSEQUENT CONTROL AND/OR DATA CHANNELS.

公开(公告)号：MY148048A

公开(公告)日：2013-02-28

申请号：MYPI20093083

申请日：2008-02-14

Applicant: QUALCOMM INC

Inventor： PRASAD MALLADI DURGA ,  JUAN MONTOJO

IPC: H04B7/005 ,  H04W52/08 ,  H04W52/14 ,  H04W52/36 ,  H04W52/54

Abstract: SYSTEMS AND METHODOLOGIES ARE DESCRIBED THAT FACILITATE EMPLOYING APERIODIC CLOSED LOOP POWER CONTROL CORRECTIONS IN A LONG TERM EVOLUTION (LTE) BASED WIRELESS COMMUNICATION ENVIRONMENT. AN APERIODIC POWER CONTROL COMMAND CAN BE SENT OVER A DOWNLINK TO CONTROL AND/OR CORRECT AN UPLINK POWER LEVEL EMPLOYED BY AN ACCESS TERMINAL (116, 122, 302, 502, 504, 506, 1100, 1204). TRANSMISSION OF THE APERIODIC POWER CONTROL CAN BE TRIGGERED BY A MEASUREMENT (E.G., RECEIVED POWER BEING OUTSIDE A SET MARGIN, ...). THE APERIODIC POWER CONTROL COMMAND CAN INCLUDE A SINGLE-BIT AND/OR A MULTI-BIT CORRECTION. FURTHER, THE ACCESS TERMINAL (116, 122, 302, 502, 504, 506, 1100, 1204) CAN ALTER THE UPLINK POWER LEVEL EMPLOYED FOR SUBSEQUENT UPLINK TRANSMISSIONS BASED UPON THE APERIODIC POWER CONTROL COMMAND WHEN RECEIVED. ADDITIONALLY, REGARDLESS WHETHER THE APERIODIC POWER CONTROL COMMAND IS RECEIVED AT A GIVEN TIME OVER THE DOWNLINK, THE ACCESS TERMINAL (116, 122, 302, 502, 504, 506, 1100, 1204) CAN EMPLOY PERIODIC POWER CONTROL COMMANDS AND AN OPEN LOOP POWER CONTROL MECHANISM TO ADJUST THE UPLINK POWER LEVEL.