OA10245A - A method and apparatus to determining signal usability - Google Patents

A method and apparatus to determining signal usability Download PDF

Info

Publication number
OA10245A
OA10245A OA60747A OA60747A OA10245A OA 10245 A OA10245 A OA 10245A OA 60747 A OA60747 A OA 60747A OA 60747 A OA60747 A OA 60747A OA 10245 A OA10245 A OA 10245A
Authority
OA
OAPI
Prior art keywords
stream
altered
signal
déterminer
receiver
Prior art date
Application number
OA60747A
Other languages
English (en)
Inventor
Mark Allen Birchler
Steven Charles Jasper
Timothy John Wilson
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of OA10245A publication Critical patent/OA10245A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/191—Over-the-air testing

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Communication Control (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
OA60747A 1993-05-28 1995-11-28 A method and apparatus to determining signal usability OA10245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/069,927 US5440582A (en) 1993-05-28 1993-05-28 Method and apparatus for determining signal usability

Publications (1)

Publication Number Publication Date
OA10245A true OA10245A (en) 1997-10-07

Family

ID=22092076

Family Applications (1)

Application Number Title Priority Date Filing Date
OA60747A OA10245A (en) 1993-05-28 1995-11-28 A method and apparatus to determining signal usability

Country Status (18)

Country Link
US (1) US5440582A (es)
EP (1) EP0701752B1 (es)
JP (2) JP3749730B2 (es)
CN (1) CN1051416C (es)
AT (1) ATE183038T1 (es)
AU (1) AU674420B2 (es)
BR (1) BR9406692A (es)
CA (1) CA2161118C (es)
DE (1) DE69419918T2 (es)
DK (1) DK0701752T3 (es)
ES (1) ES2136197T3 (es)
FI (1) FI112563B (es)
GR (1) GR3031425T3 (es)
MY (1) MY110982A (es)
OA (1) OA10245A (es)
PL (1) PL173935B1 (es)
RU (1) RU2154342C2 (es)
WO (1) WO1994028637A1 (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406588A (en) * 1993-05-28 1995-04-11 Motorola, Inc. Method and apparatus for mitigating distortion effects in the determination of signal usability
FR2713855B1 (fr) * 1993-12-15 1996-01-19 Alcatel Telspace Procédé de détection de décrochage de récupération de porteuse et de détermination du rapport EB/NO d'une liaison de transmission numérique et dispositif mettant en Óoeuvre ce procédé.
JP2908217B2 (ja) * 1993-12-28 1999-06-21 日本電気株式会社 受信電界レベル検出回路
US5912932A (en) * 1995-04-24 1999-06-15 Lucent Technologies Inc. Apparatus and methods for decoding a communication signal
US5867539A (en) * 1995-07-21 1999-02-02 Hitachi America, Ltd. Methods and apparatus for reducing the effect of impulse noise on receivers
US5715240A (en) * 1996-05-03 1998-02-03 Motorola, Inc. Communication device capable of estimating signal quality without synchronization pattern
US5812600A (en) * 1996-07-26 1998-09-22 Motorola, Inc. Method and apparatus for mitigating distortion effects in the determination of signal usability
US5898730A (en) * 1996-12-20 1999-04-27 Motorola, Inc. Method for determining signal quality of a communication channel
US5884215A (en) * 1997-01-31 1999-03-16 Motorola, Inc. Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
US5911124A (en) * 1997-02-03 1999-06-08 Motorola, Inc. Method and apparatus for applying echo mitigation in a communication device
JP2885772B1 (ja) * 1997-12-17 1999-04-26 日本電気移動通信株式会社 Ｃｄｍａシステムにおける受信方法、受信品質推定方法、送信電力制御方法及び送受信装置
US6229847B1 (en) 1997-12-24 2001-05-08 The United States Of America As Represented By The Secretary Of The Navy Signal quality measurement device
FI112739B (fi) * 1998-05-25 2003-12-31 Nokia Corp Menetelmä ja laitteisto häiritsevän signaalin havaitsemiseen radiovastaanottimessa
ES2204188T3 (es) * 1998-08-28 2004-04-16 Siemens Aktiengesellschaft Procedimiento y dispositivo para la medicion de la calidad de la transmision de un canal de transmision.
US7076264B2 (en) * 1999-02-19 2006-07-11 Qualcomm, Inc. Power control in a cellular system using ES/IO and NT/I0 values
US6661832B1 (en) * 1999-05-11 2003-12-09 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
FR2796227B1 (fr) * 1999-07-08 2007-05-04 Cit Alcatel Procede d'estimation du rapport signal a bruit dans un recepteur de telecommunications et application de ce procede au controle d'un emetteur
ATE546904T1 (de) 1999-09-17 2012-03-15 Ericsson Telefon Ab L M Verfahren und vorrichtung zur schätzung des restlärmes in einem signal und mobiltelephon, welches dieses verfahren verwendet
US20010033622A1 (en) * 2000-03-14 2001-10-25 Joengren George Robust utilization of feedback information in space-time coding
US6990137B2 (en) * 2001-05-17 2006-01-24 Qualcomm, Incorporated System and method for received signal prediction in wireless communications systems
US7170924B2 (en) * 2001-05-17 2007-01-30 Qualcomm, Inc. System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
US7076001B2 (en) * 2001-10-16 2006-07-11 Harris Corporation System and method for an in-service decision-directed signal to noise ratio estimator
US7738848B2 (en) * 2003-01-14 2010-06-15 Interdigital Technology Corporation Received signal to noise indicator
US20040235423A1 (en) * 2003-01-14 2004-11-25 Interdigital Technology Corporation Method and apparatus for network management using perceived signal to noise and interference indicator
CA2691959C (en) * 2004-08-30 2013-07-30 Qualcomm Incorporated Method and apparatus for an adaptive de-jitter buffer
RU2385470C1 (ru) * 2006-02-28 2010-03-27 Нокиа Корпорейшн Способ и устройство для навигационных систем
DK1989565T3 (da) 2006-02-28 2011-11-21 Nokia Corp Fremgangsmåde og apparat til navigationssystemer
JP5082335B2 (ja) * 2006-08-21 2012-11-28 富士通株式会社 電子基板およびバックボード伝送方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408322A (en) * 1980-11-07 1983-10-04 Satellite Business Systems Method and apparatus for measuring signal to noise ratio in a TDMA communications system
EP0366160A1 (en) * 1986-01-18 1990-05-02 Hewlett-Packard Limited Non intrusive channel impairment analyser
US4783660A (en) * 1986-09-29 1988-11-08 Signatron, Inc. Signal source distortion compensator
EP0497433B1 (en) * 1987-06-23 1995-09-20 Nec Corporation Phase controlled demodulation system for digital communication
JPH0626343B2 (ja) * 1988-12-16 1994-04-06 日本電気株式会社 変復調装置のデータ伝送速度自動切替方式
US5058139A (en) * 1990-08-10 1991-10-15 Siemens Medical Electronics, Inc. Notch filter for digital transmission system
US5170413A (en) * 1990-12-24 1992-12-08 Motorola, Inc. Control strategy for reuse system assignments and handoff
US5323421A (en) * 1992-09-30 1994-06-21 Motorola, Inc. Method and apparatus of estimating channel quality in a receiver

Also Published As

Publication number Publication date
ES2136197T3 (es) 1999-11-16
EP0701752A1 (en) 1996-03-20
US5440582A (en) 1995-08-08
RU2154342C2 (ru) 2000-08-10
FI955363L (fi) 1995-11-08
AU6909094A (en) 1994-12-20
ATE183038T1 (de) 1999-08-15
JP2006050672A (ja) 2006-02-16
FI955363A0 (fi) 1995-11-08
GR3031425T3 (en) 2000-01-31
FI112563B (fi) 2003-12-15
PL311764A1 (en) 1996-03-18
CA2161118C (en) 1999-12-28
BR9406692A (pt) 1996-01-30
JP3749730B2 (ja) 2006-03-01
DE69419918D1 (de) 1999-09-09
EP0701752A4 (en) 1997-10-01
JPH08510881A (ja) 1996-11-12
DK0701752T3 (da) 2000-03-13
EP0701752B1 (en) 1999-08-04
MY110982A (en) 1999-07-31
AU674420B2 (en) 1996-12-19
WO1994028637A1 (en) 1994-12-08
PL173935B1 (pl) 1998-05-29
CN1124547A (zh) 1996-06-12
DE69419918T2 (de) 2000-03-16
CN1051416C (zh) 2000-04-12

Similar Documents

Publication Publication Date Title
OA10245A (en) A method and apparatus to determining signal usability
KR100616173B1 (ko) Ｎｔ／Ｉｏ값을 사용한 셀룰라 시스템의 순방향 링크 전력 제어 시스템 및 방법
US5170413A (en) Control strategy for reuse system assignments and handoff
RU2281609C2 (ru) Способ контроля качества передачи
CA2120714C (en) Method and apparatus of estimating channel quality in a receiver
JP3375943B2 (ja) ディジタル通信システムにおいて変調方式及びチャネル・コーディング方式の組合せを選択する方法
US6687507B2 (en) Time of arrival estimation for edge/GSM
JPH06508254A (ja) 通信システムにおける電力制御閾値を調整するための方法および装置
WO1992011722A1 (en) Method and apparatus for cancelling spread-spectrum noise
US5715240A (en) Communication device capable of estimating signal quality without synchronization pattern
Komaki et al. Characteristics of a high capacity 16 QAM digital radio system in multipath fading
US7831200B2 (en) System and method for identifying the path or devices on the path of a communication signal
US9112598B2 (en) Report mechanism in a radio system reusing one time-slot
CZ256293A3 (en) Method of modifying a clock resetting system being controlled by a decision, and apparatus for making the same
US7076264B2 (en) Power control in a cellular system using ES/IO and NT/I0 values
Akaiwa Antenna selection diversity for framed digital signal transmission in mobile radio channel
Ammari et al. Increasing the rate of wireless link when multiple QoS traffics are considered
RU2233547C2 (ru) Устройство и способ для стробирования передачи сигнала канала управления скоростью передачи данных в системе мобильной связи с высокой скоростью передачи данных
Umoren et al. Improving Capacity of Reception Quality in Mobile Communication Networks Using BER Performance Metric
MXPA99009566A (es) Control de energia de enlace en avance en un sistema celular que utiliza valores nt/io
KR20040090113A (ko) 갭필러 신호처리에 따른 시간지연 측정장치
JPH08139623A (ja) 隣接チャネル妨害波検出回路