公开(公告)号：WO2009088532A1

公开(公告)日：2009-07-16

申请号：PCT/US2008/070355

申请日：2008-07-17

Applicant: QUALCOMM Incorporated ,  SIM, Bok Tae ,  CHANG, Tae Ryun ,  KIM, Je Woo ,  PARK, Jong Hyeon ,  PARK, Ju Won ,  LEE, Chae Kwan ,  NANAVATI, Sameer

Inventor： SIM, Bok Tae ,  CHANG, Tae Ryun ,  KIM, Je Woo ,  PARK, Jong Hyeon ,  PARK, Ju Won ,  LEE, Chae Kwan ,  NANAVATI, Sameer

IPC: H04L27/26

CPC classification number: H04L27/2665 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2659 ,  H04L27/266 ,  H04L27/2663 ,  H04L27/2675

Abstract: A synchronization and detection method in a wireless device may include performing coarse detection and synchronization with respect to a received signal. The synchronization and detection method may also include performing fine detection and synchronization for acquisition of the received signal. Results of the coarse detection and synchronization may be used for the fine detection and synchronization. The synchronization and detection method may also include performing tracking mode processing when the acquisition of the received signal has been achieved.

Abstract translation: 无线设备中的同步和检测方法可以包括对接收到的信号执行粗略检测和同步。 同步和检测方法还可以包括执行精细检测和同步以获取接收到的信号。 粗检测和同步的结果可以用于精细检测和同步。 同步和检测方法还可以包括当已经获得接收信号的获取时执行跟踪模式处理。

公开(公告)号：WO2009076647A1

公开(公告)日：2009-06-18

申请号：PCT/US2008/086698

申请日：2008-12-12

Applicant: QUALCOMM Incorporated ,  PARK, Jong Hyeon ,  SIM, Bok Tae ,  KIM, Je Woo ,  GLAZKO, Serguei A. ,  NANAVATI, Sameer ,  PARK, Ju Won

Inventor： PARK, Jong Hyeon ,  SIM, Bok Tae ,  KIM, Je Woo ,  GLAZKO, Serguei A. ,  NANAVATI, Sameer ,  PARK, Ju Won

IPC: H04L1/18

CPC classification number: H04L1/1845 ,  H04L1/1812

Abstract: A method and apparatus for combining retransmitted hybrid automatic repeat-request (HARQ) messages at different stages in an OFDM/OFDMA receiver are provided. A combination of different types of HARQ combiners may be designed into the receiver and selected on a per-channel basis. Proper selection of a HARQ combining scheme may reduce the required HARQ buffer size and may provide an increased combining gain when compared to conventional HARQ combining techniques. Furthermore, the HARQ combiner type may be dynamically selected through forward and reverse shifting between the different types of HARQ combining schemes in an effort to decrease the bit error ratio (BER) without saturating the HARQ buffer.

Abstract translation: 提供了一种用于在OFDM / OFDMA接收机中的不同阶段组合重传的混合自动重传请求（HARQ）消息的方法和装置。 可以将不同类型的HARQ组合器的组合设计到接收机中并且在每个信道的基础上进行选择。 HARQ组合方案的正确选择可以减少所需的HARQ缓冲器大小，并且与常规HARQ组合技术相比可以提供增加的组合增益。 此外，可以通过在不同类型的HARQ组合方案之间的正向和反向移位来动态地选择HARQ组合器类型，以努力降低误码率（BER）而不使HARQ缓冲器饱和。

公开(公告)号：WO2008144450A3

公开(公告)日：2008-11-27

申请号：PCT/US2008/063800

申请日：2008-05-15

Applicant: QUALCOMM INCORPORATED ,  BLACK, Peter J. ,  WU, Qiang ,  ZHAO, Wanlun ,  TOKGOZ, Yeliz ,  PADOVANI, Roberto ,  NAGUIB, Ayman Fawzy ,  KIM, Je Woo ,  AGASHE, Parag A. ,  BHUSHAN, Naga ,  DAYAL, Pranav

Inventor： BLACK, Peter J. ,  WU, Qiang ,  ZHAO, Wanlun ,  TOKGOZ, Yeliz ,  PADOVANI, Roberto ,  NAGUIB, Ayman Fawzy ,  KIM, Je Woo ,  AGASHE, Parag A. ,  BHUSHAN, Naga ,  DAYAL, Pranav

IPC: H04L5/02

Abstract: Briefly, in accordance with one embodiment, a method of transmitting signals is provided. Signal waveforms are transmitted from at least two respective sectors. The at least two respective sectors are from at least two different sets of a superset of sectors. The transmitted signal waveforms include signal waveforms at least nearly mutually orthogonal at least along a particular signal dimension. An advantage of such an embodiment, for example, is reduced signal interference.

公开(公告)号：EP2220805B1

公开(公告)日：2013-10-23

申请号：EP08728774.4

申请日：2008-01-31

Applicant: QUALCOMM Incorporated

Inventor： PARK, Jong Hyeon ,  SIM, Bok Tae ,  KIM, Je Woo ,  HURT, James Y. ,  GLAZKO, Serguei A. ,  NANAVATI, Sameer

IPC: H04L1/18

CPC classification number: H04L1/1845 ,  H04L1/1812

公开(公告)号：EP2250780A1

公开(公告)日：2010-11-17

申请号：EP08796257.7

申请日：2008-07-17

Applicant: QUALCOMM Incorporated

Inventor： SIM, Bok Tae ,  CHANG, Tae Ryun ,  KIM, Je Woo ,  PARK, Jong Hyeon ,  PARK, Ju Won ,  LEE, Chae Kwan ,  NANAVATI, Sameer

IPC: H04L27/26

CPC classification number: H04L27/2665 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2659 ,  H04L27/266 ,  H04L27/2663 ,  H04L27/2675

Abstract: A synchronization and detection method in a wireless device may include performing coarse detection and synchronization with respect to a received signal. The synchronization and detection method may also include performing fine detection and synchronization for acquisition of the received signal. Results of the coarse detection and synchronization may be used for the fine detection and synchronization. The synchronization and detection method may also include performing tracking mode processing when the acquisition of the received signal has been achieved.

公开(公告)号：EP2223454A1

公开(公告)日：2010-09-01

申请号：EP08858998.1

申请日：2008-12-12

Applicant: QUALCOMM Incorporated

Inventor： PARK, Jong Hyeon ,  KIM, Je Woo ,  NANAVATI, Sameer ,  HURT, James, Y.

IPC: H04L1/18

CPC classification number: H04L1/1845 ,  H04L1/1812 ,  H04L5/0007

Abstract: A method and apparatus for combining retransmitted hybrid automatic repeat-request (HARQ) messages at different stages in an orthogonal frequency-division multiplexing (OFDM)/orthogonal frequency-division multiple access (OFDMA) receiver are provided. The type of HARQ combiner used for a particular channel may depend on a number of selection criteria including the modulation order of the transmission, the number of bits needed for the combined signals, and the headroom in the HARQ buffer. For some embodiments, a combination of different types of HARQ combiners may be designed into a receiver and selected on a per-channel basis. Proper selection of a HARQ combining scheme may reduce the required HARQ buffer size and may provide an increased combining gain when compared to conventional HARQ combining techniques.

公开(公告)号：EP2100422A2

公开(公告)日：2009-09-16

申请号：EP07844875.0

申请日：2007-11-05

Applicant: QUALCOMM Incorporated

Inventor： PARK, Ju Won ,  PARK, Jong Hyeon ,  KIM, Je Woo

IPC: H04L27/26

CPC classification number: H04L27/2662 ,  H04L27/2613 ,  H04L27/2676

Abstract: In accordance with a detection method in a wireless communication system, an initial hypothesis for a starting position of a desired signal within a received wireless communication signal may be determined. The desired signal may have a conjugate symmetric property. At least one correlation value may be determined based on the initial hypothesis. The at least one correlation value may indicate the extent to which at least one sample sequence selected from the received signal has the conjugate symmetric property.

公开(公告)号：EP2095554A2

公开(公告)日：2009-09-02

申请号：EP07839991.2

申请日：2007-11-07

Applicant: Qualcomm, Incorporated

Inventor： ZHU, Jie ,  PARK, Jong Hyeon ,  KIM, Je Woo

IPC: H04K1/10

CPC classification number: H04L27/2656 ,  H04L5/0007 ,  H04L27/2684

Abstract: An embodiment of the invention is a technique for preamble detection and synchronization. A symbol correlation of a sequence of symbols is computed in a correlation window using one of a time-domain correlation and a frequency-domain correlation. The sequence of symbols is received in an orthogonal frequency division multiple access (OFDMA) wireless communication. A symbol is verified from the symbol correlation. The symbol is one of a preamble symbol and a data symbol.

公开(公告)号：EP2020096A2

公开(公告)日：2009-02-04

申请号：EP07809176.6

申请日：2007-05-24

Applicant: Qualcomm Incorporated

Inventor： PARK, Jong Hyeon ,  PARK, Ju Won ,  KIM, Je Woo

IPC: H04B7/10

CPC classification number: H04L1/0015 ,  H04B7/0417 ,  H04B7/0608 ,  H04B7/0689 ,  H04B7/0814 ,  H04B7/0871 ,  H04L1/0001 ,  H04L1/06 ,  H04L27/2608

Abstract: The present invention is a technique to process signals in a communication system In one embodiment, a plurality of signal processing units processes signals received from a plurality of antennae The signal processor units are controlled by operational mode control signals A channel estimator estimates channel responses using the processed signals according to an operational mode An equalizer and combiner generates an equalized and combined signal using the received signals and the estimated channel responses A Carner to Interference Noise Ratio (CINR) estimator estimates CINR from the equalized and combined signal The estimated CINR is used to generate the operational mode control signals

公开(公告)号：EP2005518A2

公开(公告)日：2008-12-24

申请号：EP07754244.7

申请日：2007-03-28

Applicant: QUALCOMM INCORPORATED

Inventor： KIM, Je Woo ,  HAN, Kyung Sup ,  RAKYTYANSKYY, Volodymyr ,  SULIMA, Oleksandr

IPC: H01Q1/38 ,  H01Q1/48 ,  H01Q3/24 ,  H01Q21/00

CPC classification number: H01Q9/0421 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q9/42 ,  H01Q21/28

Abstract: An embodiment of the present invention is a modified inverted-F antenna for wireless communication. The antenna circuit includes a dielectric substrate having a first surface, a radiating stub on the first surface of the dielectric substrate, and a first ground plate on the first surface of the dielectric substrate to couple to ground. The first ground plate includes one or more grounded capacitive stubs spaced apart from the radiating stub. The one or more grounded capacitive stubs tune performance parameters for the antenna circuit.