JPH06508736A - 送信信号の信号伝送品質レベルの決定方法及び装置 - Google Patents
送信信号の信号伝送品質レベルの決定方法及び装置Info
- Publication number
- JPH06508736A JPH06508736A JP5519272A JP51927293A JPH06508736A JP H06508736 A JPH06508736 A JP H06508736A JP 5519272 A JP5519272 A JP 5519272A JP 51927293 A JP51927293 A JP 51927293A JP H06508736 A JPH06508736 A JP H06508736A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- value
- level
- receiver
- interference
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/23—Indication means, e.g. displays, alarms, audible means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Quality & Reliability (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
- 1.送信機と受信機との間で伝送される一連の符号化データから構成される情報 信号の信号伝送品質レベルを決定する装置であって、 受信信号強度の値を求めるため前記送信機と前記受信機との間で伝送される前記 信号の信号レベルの大きさを計算する手段と、 干渉レベルの値を求めるため前記送信機と前記受信機との間で伝送される前記情 報信号に導入された干渉のレベルを決定する手段と、 前記送信機と前記受信機との間の前記信号伝送の品質レベルを表す信号伝送品質 レベルの値を求めるため、前記測定する手段によって求められた受信信号強度の 値を前記決定する手段によって求められた干渉レベルの値で重み付けをする手段 と、 を具備することを特徴とする信号伝送品質レベルを決定する装置。
- 2.前記計算する手段は、前記送信機と前記受信機との間で伝送される前記情報 信号を表す受信信号の振幅を測定する手段を含むことを特徴とする請求項1記載 の装置。
- 3.前記測定する手段によって求められた前記受信信号強度レベルの値は、前記 送信機と前記受信機との間で伝送される前記情報信号を表す受信信号の振幅に正 比例する値であることを特徴とする請求項2記載の装置。
- 4.前記干渉レベルを決定する手段は、前記送信機と前記受信機との間で伝送さ れる一連の前記情報信号から成る符号化データビットのビット誤り率を決定する 手段を含むことを特徴とする請求項1記載の装置。
- 5.前記干渉レベルを決定する手段によって求められた前記干渉レベルの値は、 一連の前記情報信号から成る前記符号化データビットのビット誤りの数を表すこ とを特徴とする請求項4記載の装置。
- 6.前記干渉レベルを決定する手段によって求められた前記干渉レベルの値は、 前記符号化データの復号化の後に決定された一連の前記情報信号から成る前記符 号化データのビット誤りの数を表すことを特徴とする請求項4記載の装置。
- 7.前記重み付けする手段は、前記受信信号強度の値と前記干渉レベル値を示す 値との積を求め、それによって求められた積が前記信号伝送品質レベルの値を形 成する乗算する手段を含むことを特徴とする請求項1記載の装置。
- 8.前記重み付けする手段を構成する前記乗算する手段は、前記干渉レベル値を 示す値で乗算された前記受信信号強度の値をスケーリングする手段をさらに含む ことを特徴とする請求項7記載の装置。
- 9.前記スケーリングする手段は、前記干渉のレベルを決定する手段によって求 められた前記干渉レベル値をスケーリングする手段を含むことを特徴とする請求 項8記載の装置。
- 10.前記スケーリングする手段は、前記干渉レベル値を示す値で乗算された前 記受信信号強度の値をスケーリングする手段を含むことを特徴とする請求項8記 載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87346692A | 1992-04-24 | 1992-04-24 | |
US873,466 | 1992-04-24 | ||
PCT/US1993/003301 WO1993022881A1 (en) | 1992-04-24 | 1993-04-08 | Method and apparatus for determining signal transmission quality levels of a transmitted signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06508736A true JPH06508736A (ja) | 1994-09-29 |
JP3046842B2 JP3046842B2 (ja) | 2000-05-29 |
Family
ID=25361690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5519272A Expired - Lifetime JP3046842B2 (ja) | 1992-04-24 | 1993-04-08 | 送信信号の信号伝送品質レベルの決定方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5630210A (ja) |
JP (1) | JP3046842B2 (ja) |
CA (1) | CA2109576C (ja) |
GB (1) | GB2272134B (ja) |
SE (1) | SE9304185L (ja) |
WO (1) | WO1993022881A1 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
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US5825817A (en) * | 1994-07-22 | 1998-10-20 | Anritsu Corporation | Radio wave measuring apparatus for digital communication system |
DE4441794C2 (de) * | 1994-11-24 | 1999-07-15 | Becker Gmbh | Verfahren zur Bewertung der Empfangsqualität von Rundfunksignalen |
US5793805A (en) * | 1995-12-14 | 1998-08-11 | Motorola, Inc. | Signal measurement system and method for measuring the signal quality of a received radio frequency signal |
US5815507A (en) * | 1996-04-15 | 1998-09-29 | Motorola, Inc. | Error detector circuit for digital receiver using variable threshold based on signal quality |
JPH09312620A (ja) * | 1996-05-23 | 1997-12-02 | Nec Corp | 音声データ補間処理装置 |
KR100212055B1 (ko) * | 1996-06-24 | 1999-08-02 | 윤종용 | 이동체 통신시스템의 수신신호세기 검출회로 |
US5978738A (en) | 1997-02-13 | 1999-11-02 | Anthony Brown | Severe weather detector and alarm |
US6243568B1 (en) * | 1997-03-22 | 2001-06-05 | Sharp Laboratories Of America, Inc. | System and method for intuitively indicating signal quality in a wireless digital communications network |
US6347217B1 (en) * | 1997-05-22 | 2002-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Link quality reporting using frame erasure rates |
US6157830A (en) * | 1997-05-22 | 2000-12-05 | Telefonaktiebolaget Lm Ericsson | Speech quality measurement in mobile telecommunication networks based on radio link parameters |
US5983080A (en) * | 1997-06-03 | 1999-11-09 | At & T Corp | Apparatus and method for generating voice signals at a wireless communications station |
US6201960B1 (en) * | 1997-06-24 | 2001-03-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Speech quality measurement based on radio link parameters and objective measurement of received speech signals |
US6405043B1 (en) * | 1997-07-02 | 2002-06-11 | Scoreboard, Inc. | Method to characterize the prospective or actual level of interference at a point, in a sector, and throughout a cellular system |
US5950139A (en) * | 1997-10-30 | 1999-09-07 | Motorola, Inc. | Radiotelephone with user perceivable visual signal quality indicator |
GB2331666A (en) * | 1997-11-20 | 1999-05-26 | Dsc Telecom Lp | Subscriber Terminal for a Wireless Telecommunications System |
JPH11262066A (ja) * | 1998-03-12 | 1999-09-24 | Sony Corp | 携帯通信端末 |
US6091716A (en) * | 1998-07-01 | 2000-07-18 | Motorola, Inc. | Receive signal quality estimates suitable for pagers used in satellite-based communication systems |
GB9817292D0 (en) * | 1998-08-07 | 1998-10-07 | Nokia Mobile Phones Ltd | Digital video coding |
WO2000019643A1 (en) * | 1998-09-28 | 2000-04-06 | Motorola Inc. | A terminal unit and a method for locating a terminal unit |
US6127936A (en) * | 1998-11-20 | 2000-10-03 | Texas Instruments Isreal Ltd. | Apparatus for and method of providing an indication of the magnitude of a quantity |
US6466905B1 (en) * | 1999-11-30 | 2002-10-15 | Motorola, Inc. | Differentiation of error conditions in digital voice communication systems |
US7460835B1 (en) * | 2000-09-22 | 2008-12-02 | Arraycomm Llc | Method and apparatus for determining an operating condition in a communications system |
US6850736B2 (en) * | 2000-12-21 | 2005-02-01 | Tropian, Inc. | Method and apparatus for reception quality indication in wireless communication |
WO2002062121A2 (en) | 2001-02-07 | 2002-08-15 | Dynamic Telecommunications Inc. | Apparatus and method for providing signal quality measurements in drive test systems for wireless networks |
US7142517B2 (en) * | 2002-09-24 | 2006-11-28 | Accton Technology Corporation | Method for objective playout quality measurement of a packet based network transmission |
DE10311967B4 (de) * | 2003-03-18 | 2005-06-23 | Infineon Technologies Ag | Verfahren zur Feldstärkebestimmung |
JP2005086586A (ja) * | 2003-09-10 | 2005-03-31 | Nec Corp | 携帯電話機及びそれに用いる電界表示方法並びにそのプログラム |
JP2005311717A (ja) * | 2004-04-21 | 2005-11-04 | Matsushita Electric Ind Co Ltd | 復号装置及び通信システムの受信機 |
US7102511B2 (en) * | 2004-11-03 | 2006-09-05 | Chung-Yang Chen | Radio wave detection device |
US7495553B2 (en) * | 2005-07-05 | 2009-02-24 | Robert Bosch Gmbh | Method of installing a wireless security system |
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US3771059A (en) * | 1972-03-27 | 1973-11-06 | Rca Corp | Universal data quality monitor |
US4035729A (en) * | 1976-05-21 | 1977-07-12 | General Electric Company | Audio signal quality indicating circuit |
US4068176A (en) * | 1976-08-17 | 1978-01-10 | The Singer Company | Direct reading sinad meter |
US4125809A (en) * | 1977-11-09 | 1978-11-14 | The United States Of America As Represented By The Secretary Of The Navy | Digital C/kT meter |
US4710969A (en) * | 1980-02-12 | 1987-12-01 | Wavetek Corporation | CATV testing system |
US4393499A (en) * | 1981-03-11 | 1983-07-12 | Ford Aerospace & Communications Corporation | Adaptive signal quality measurement circuit for PSK and FSK demodulators |
WO1985005518A1 (en) * | 1984-05-15 | 1985-12-05 | Australian Telecommunications Commission | Characterisation of digital radio signals |
CA1236580A (en) * | 1984-05-15 | 1988-05-10 | Andrew L. Martin | Characterisation of digital radio signals |
US4619002A (en) * | 1984-07-02 | 1986-10-21 | Motorola, Inc. | Self-calibrating signal strength detector |
JPS623536A (ja) * | 1985-06-29 | 1987-01-09 | Oki Electric Ind Co Ltd | 移動体データ通信の良否判定装置 |
CA1287114C (en) * | 1986-04-23 | 1991-07-30 | Dennis L. Vories | Remote monitoring and alarm system employing multiple digitally encoded words |
US4829519A (en) * | 1987-06-09 | 1989-05-09 | Scotton Geoffrey R | Automatic cell transfer system with error rate assessment |
DE3817500C1 (ja) * | 1988-05-21 | 1989-10-05 | Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De | |
US4953197A (en) * | 1988-12-08 | 1990-08-28 | International Mobile Machines Corporation | Combination spatial diversity system |
EP0388163B1 (en) * | 1989-03-15 | 1995-12-27 | Nec Corporation | Interference detection apparatus for use in digital mobile communications system |
JP2822432B2 (ja) * | 1989-03-30 | 1998-11-11 | 日本電気株式会社 | 無線システムのチャネル選択方法 |
US5010583A (en) * | 1989-10-02 | 1991-04-23 | Motorola, Inc. | Repeater for a wide area coverage system |
JPH03155228A (ja) * | 1989-11-14 | 1991-07-03 | Toshiba Corp | ダイバーシティ受信装置 |
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US5125105A (en) * | 1989-11-30 | 1992-06-23 | Ford Motor Company | High-quality reception indicating circuit for fm receivers |
-
1993
- 1993-04-08 JP JP5519272A patent/JP3046842B2/ja not_active Expired - Lifetime
- 1993-04-08 GB GB9322752A patent/GB2272134B/en not_active Expired - Fee Related
- 1993-04-08 WO PCT/US1993/003301 patent/WO1993022881A1/en active Application Filing
- 1993-04-08 CA CA002109576A patent/CA2109576C/en not_active Expired - Fee Related
- 1993-12-17 SE SE9304185A patent/SE9304185L/ not_active Application Discontinuation
-
1995
- 1995-08-07 US US08/511,666 patent/US5630210A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE9304185L (sv) | 1994-02-22 |
WO1993022881A1 (en) | 1993-11-11 |
CA2109576C (en) | 1998-06-16 |
US5630210A (en) | 1997-05-13 |
GB9322752D0 (en) | 1994-02-16 |
JP3046842B2 (ja) | 2000-05-29 |
GB2272134B (en) | 1995-09-06 |
CA2109576A1 (en) | 1993-10-25 |
GB2272134A (en) | 1994-05-04 |
SE9304185D0 (sv) | 1993-12-17 |
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