KR20040079432A - 불연속 전송(dtx) 검출 - Google Patents
불연속 전송(dtx) 검출 Download PDFInfo
- Publication number
- KR20040079432A KR20040079432A KR10-2004-7011828A KR20047011828A KR20040079432A KR 20040079432 A KR20040079432 A KR 20040079432A KR 20047011828 A KR20047011828 A KR 20047011828A KR 20040079432 A KR20040079432 A KR 20040079432A
- Authority
- KR
- South Korea
- Prior art keywords
- quality metric
- dtx
- frame
- discontinuous transmission
- receiver
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/201—Frame classification, e.g. bad, good or erased
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/288—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the usage mode, e.g. hands-free, data transmission, telephone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/44—TPC being performed in particular situations in connection with interruption of transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims (19)
- 통신장치에서, 불연속 전송(DTX) 검출기로서,다차원 품질 메트릭을 발생시키기 위한 수단; 및상기 다차원 품질 메트릭에 기초하여 수신된 프레임을 특징화하기 위한 수단을 포함하는 불연속 전송 검출기.
- 제 1항에 있어서, 상기 다차원 품질 메트릭중 1차원은 비트당 수신 에너지 대 잡음전력 비인 것을 특징으로 하는 불연속 전송 검출기.
- 제 2항에 있어서, 상기 다차원 품질 메트릭중 2차원은 재인코딩된 심볼 에러 카운트인 것을 특징으로 하는 불연속 전송 검출기.
- 제 2항에 있어서, 상기 다차원 품질 메트릭중 2차원은 정규화된 재인코딩 심볼 에너지인 것을 특징으로 하는 불연속 전송 검출기.
- 제 1항에 있어서, 상기 다차원 품질 메트릭은 2개의 차원 품질 메트릭인 것을 특징으로 하는 불연속 전송 검출기.
- 제 1항에 있어서, 상기 다차원 품질 메트릭 발생수단은,제 1다항식에 기초하여 제 1 품질 메트릭을 발생시키는 수단; 및제 2 다항식에 기초하여 제 2 품질 메트릭을 발생시키는 수단을 포함하는 것을 특징으로 하는 불연속 전송 검출기.
- 제 6항에 있어서, 상기 제 1 및 제 2 다항식들은 g0 + g1 * X + g2 * Y의 형식을 가지며, 상기 g0, g1 및 g2는 다항식 상수들을 나타내며, 상기 X 및 Y는 상기 다차원 품질 메트릭의 2개의 차원을 나타내는 것을 특징으로 하는 불연속 전송 검출기.
- 제 7항에 있어서, 상기 제 1 품질 메트릭에 대한 상기 다항식 상수들은 상기 제 2 품질 메트릭에 대한 상기 다항식 상수들과 다른 것을 특징으로 하는 불연속 전송 검출기.
- 제 7항에 있어서,상기 제 1다항식은 -290 + 0.014 + 53Y이며;상기 제 2 다항식은 -181 + 0.021X + 24Y인 것을 특징으로 하는 불연속 전송 검출기.
- 제 6항에 있어서, 상기 수신된 프레임은 상기 수신된 프레임이 컨벌루션 인코딩된 프레임일때 상기 제 1 품질 메트릭을 사용하여 특징화되는 것을 특징으로하는 불연속 전송 검출기.
- 제 10항에 있어서, 상기 수신된 프레임은 상기 제 1 프레임 메트릭이 미리 결정된 임계치보다 작거나 또는 동일한 경우에 DTX로서 특징화되는 것을 특징으로 하는 불연속 전송 검출기.
- 제 10항에 있어서, 상기 수신된 프레임은 상기 제 1품질 메트릭이 미리 결정된 임계치보다 큰 경우에 소거로서 특징화되는 것을 특징으로 하는 불연속 전송 검출기.
- 제 6항에 있어서, 상기 수신된 프레임은 상기 수신된 프레임이 터보 인코딩된 프레임일때 상기 제 2 품질 메트릭을 사용하여 특징화되는 것을 특징으로 하는 불연속 전송 검출기.
- 제 13항에 있어서, 상기 수신된 프레임은 상기 제 2 품질 메트릭이 미리 결정된 임계치보다 작은 경우에 DTX로서 특징화되는 것을 특징으로 하는 불연속 전송 검출기.
- 제 13항에 있어서, 상기 수신된 프레임은 상기 제 2 품질 메트릭이 미리 결정된 임계치보다 크거나 또는 동일한 경우에 소거로서 특징화되는 것을 특징으로하는 불연속 전송 검출기.
- 제 1항에 있어서, 상기 통신장치는 CDMA 기지국, CDMA 기지국 제어기 또는 CDMA 이동국중 하나인 것을 특징으로 하는 불연속 전송 검출기.
- DTX 통신할 수 있는 수신기로서,정렬된 신호를 발생시키기 위하여 다수의 다중경로 통신신호들을 정렬시킬 수 있는 레이크 수신기;상기 레이크 수신기의 출력에 접속되며, 디코딩된 비트들을 발생시키기 위하여 상기 정렬된 신호를 디코딩할 수 있는 디코더; 및상기 디코더의 출력에 접속되며, 디코딩된 비트들의 프레임을 양호한 프레임, 소거, DTX 발생중 하나로서 특징화할 수 있는 DTX 검출기를 포함하며, 상기 DTX 검출기는,다차원 품질 메트릭을 발생시키는 수단; 및상기 다차원 품질 메트릭에 기초하여 디코딩된 비트들의 프레임을 특징화하는 수단을 포함하는 수신기.
- 제 17항에 있어서, 상기 디코더는 컨벌루션 디코더인 것을 특징으로 하는 수신기.
- 제 17항에 있어서, 상기 디코더는 터보 디코더인 것을 특징으로 하는 수신기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/061,865 US6782059B2 (en) | 2002-01-31 | 2002-01-31 | Discontinuous transmission (DTX) detection |
US10/061,865 | 2002-01-31 | ||
PCT/US2003/002914 WO2003065613A1 (en) | 2002-01-31 | 2003-01-31 | Discontinuous transmission (dtx) detection |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040079432A true KR20040079432A (ko) | 2004-09-14 |
KR100968085B1 KR100968085B1 (ko) | 2010-07-08 |
Family
ID=27610202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047011828A KR100968085B1 (ko) | 2002-01-31 | 2003-01-31 | 불연속 전송(dtx) 검출 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6782059B2 (ko) |
KR (1) | KR100968085B1 (ko) |
BR (1) | BR0307365A (ko) |
IL (1) | IL162957A (ko) |
WO (1) | WO2003065613A1 (ko) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
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SG108257A1 (en) * | 2001-06-15 | 2005-01-28 | Oki Electric Ind Co Ltd | Receiving circuit |
US20030081696A1 (en) * | 2001-10-29 | 2003-05-01 | In-Kyung Kim | System and method for estimating signal to noise ratio |
US20030152102A1 (en) * | 2002-02-12 | 2003-08-14 | William Morgan | Method and apparatus for predicting a frame type |
US7161995B1 (en) * | 2002-03-15 | 2007-01-09 | Xilinx, Inc. | Method and apparatus for Viterbi synchronization |
JP3801526B2 (ja) | 2002-04-30 | 2006-07-26 | 松下電器産業株式会社 | 無線送信装置及び無線受信装置 |
US7499433B2 (en) * | 2002-11-19 | 2009-03-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for DTX frame detection |
US7437172B2 (en) * | 2002-12-10 | 2008-10-14 | Qualcomm Incorporated | Discontinuous transmission (DTX) detection in wireless communication systems |
US6904557B2 (en) * | 2003-01-31 | 2005-06-07 | Nokia Corporation | Discontinuous transmission (DTX) detection using decoder metric |
US7031284B2 (en) * | 2003-03-03 | 2006-04-18 | Interdigital Technology Corporation | Wireless communication method and apparatus for optimizing multi-user detection |
US7362816B1 (en) * | 2003-04-28 | 2008-04-22 | Xtendwave, Inc. | Inversion of channel distortion by adaptive wavelet lifting |
US7398100B2 (en) * | 2003-07-01 | 2008-07-08 | Motorola, Inc. | Method, apparatus and system for use in controlling transmission power during wireless communication |
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US7340667B2 (en) * | 2004-05-10 | 2008-03-04 | Via Telecom Co., Ltd. | Method and/or apparatus implemented in hardware to discard bad logical transmission units (LTUs) |
US7730381B2 (en) * | 2004-06-09 | 2010-06-01 | Qualcomm Incorporated | Erasure detection and power control for a transport channel with unknown format in a wireless communication system |
US7715806B2 (en) | 2004-10-06 | 2010-05-11 | Broadcom Corporation | Method and system for diversity processing including using dedicated pilot method for closed loop |
US8406251B2 (en) * | 2004-10-06 | 2013-03-26 | Broadcom Corporation | Method and system for processing multipath clusters |
US8074158B2 (en) * | 2005-02-02 | 2011-12-06 | Qualcomm Incorporated | Erasure detection for a transport channel with an unknown format |
DE102005062420A1 (de) * | 2005-12-27 | 2007-07-05 | Vega Grieshaber Kg | Elektronikeinsatz-Anordnung für ein Messgerätegehäuse |
WO2007140209A2 (en) * | 2006-05-26 | 2007-12-06 | Cameron Health, Inc. | Programmers and associated methods for use in sensing vector selection with an implantable medical device |
US8200341B2 (en) | 2007-02-07 | 2012-06-12 | Cameron Health, Inc. | Sensing vector selection in a cardiac stimulus device with postural assessment |
US8788023B2 (en) | 2006-05-26 | 2014-07-22 | Cameron Health, Inc. | Systems and methods for sensing vector selection in an implantable medical device |
US7782820B2 (en) * | 2006-09-26 | 2010-08-24 | Alcatel-Lucent Usa Inc. | Method of detecting discontinuous transmission (DTX) and method of generating a signal metric for use in DTX detection |
US20100053300A1 (en) * | 2007-02-02 | 2010-03-04 | Einarsson Torbjoern | Method And Arrangement For Video Telephony Quality Assessment |
US8020399B2 (en) * | 2007-04-17 | 2011-09-20 | T&B Financial Services, Inc. | High pressure mister fan cooling system |
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US9031619B2 (en) * | 2010-09-30 | 2015-05-12 | Nokia Corporation | Visual indication of active speech reception |
US9579065B2 (en) | 2013-03-12 | 2017-02-28 | Cameron Health Inc. | Cardiac signal vector selection with monophasic and biphasic shape consideration |
US9167522B2 (en) | 2013-03-21 | 2015-10-20 | Telefonaktiebolaget L M Ericsson (Publ) | Fast detection of discontinuous transmission |
US9344219B2 (en) * | 2013-06-25 | 2016-05-17 | Intel Corporation | Increasing communication safety by preventing false packet acceptance in high-speed links |
US9480103B2 (en) | 2014-02-14 | 2016-10-25 | Freescale Semiconductor, Inc. | Method of DTX detection in a wireless communication system |
US9414431B2 (en) | 2014-02-14 | 2016-08-09 | Freescale Semiconductor, Inc. | Method of discontinuous transmission detection |
Family Cites Families (11)
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CA2200599A1 (en) | 1995-07-25 | 1997-02-13 | Gerald Paul Labedz | Apparatus and method for rate determination in on-off variable-rate communication systems |
FI100566B (fi) * | 1996-01-24 | 1997-12-31 | Nokia Telecommunications Oy | Kehyksen laadun tunnistamismenetelmä ja vastaanotin |
US6181738B1 (en) * | 1998-02-13 | 2001-01-30 | Northern Telecom Limited | Reverse link power control using a frame quality metric |
US6147964A (en) * | 1998-05-07 | 2000-11-14 | Qualcomm Inc. | Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes |
FI105131B (fi) * | 1998-03-27 | 2000-06-15 | Nokia Networks Oy | Menetelmä fyysisen kanavan tehonsäädön suorittamiseksi radiojärjestelmässä |
CA2515674A1 (en) * | 1999-06-28 | 2001-01-04 | Samsung Electronics Co., Ltd. | Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system |
US6208699B1 (en) | 1999-09-01 | 2001-03-27 | Qualcomm Incorporated | Method and apparatus for detecting zero rate frames in a communications system |
US6370392B1 (en) * | 1999-09-13 | 2002-04-09 | Nortel Networks Limited | Method and system for detecting discontinuous transmission mode |
US6587447B1 (en) * | 1999-09-29 | 2003-07-01 | Nortel Networks Limited | Method and system for performing outer loop power control in discontinuous transmission mode |
US7143178B2 (en) | 2000-06-29 | 2006-11-28 | Qualcomm Incorporated | System and method for DTX frame detection |
US6804530B2 (en) * | 2000-12-29 | 2004-10-12 | Nortel Networks Limited | Method and apparatus for detection of forward and reverse DTX mode of operation detection in CDMA systems |
-
2002
- 2002-01-31 US US10/061,865 patent/US6782059B2/en not_active Expired - Lifetime
-
2003
- 2003-01-31 BR BR0307365-3A patent/BR0307365A/pt not_active IP Right Cessation
- 2003-01-31 WO PCT/US2003/002914 patent/WO2003065613A1/en not_active Application Discontinuation
- 2003-01-31 KR KR1020047011828A patent/KR100968085B1/ko active IP Right Grant
-
2004
- 2004-07-11 IL IL162957A patent/IL162957A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2003065613A1 (en) | 2003-08-07 |
US20030142728A1 (en) | 2003-07-31 |
IL162957A (en) | 2010-04-29 |
KR100968085B1 (ko) | 2010-07-08 |
BR0307365A (pt) | 2004-12-14 |
US6782059B2 (en) | 2004-08-24 |
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