JP4558791B2 - ホストに報告する前の光送受信機のデジタル診断情報の補正 - Google Patents
ホストに報告する前の光送受信機のデジタル診断情報の補正 Download PDFInfo
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- JP4558791B2 JP4558791B2 JP2007518388A JP2007518388A JP4558791B2 JP 4558791 B2 JP4558791 B2 JP 4558791B2 JP 2007518388 A JP2007518388 A JP 2007518388A JP 2007518388 A JP2007518388 A JP 2007518388A JP 4558791 B2 JP4558791 B2 JP 4558791B2
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- 230000003287 optical effect Effects 0.000 title claims abstract description 114
- 238000012937 correction Methods 0.000 title claims description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims description 22
- 238000012886 linear function Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 3
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- 238000004891 communication Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000002085 persistent effect Effects 0.000 description 9
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- 238000012545 processing Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/695—Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1028—Calibration at two points of the transfer characteristic, i.e. by adjusting two reference values, e.g. offset and gain error
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1235—Non-linear conversion not otherwise provided for in subgroups of H03M1/12
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Description
Claims (17)
- ホスト・コンピュータ・システムに通信的に接続可能であり、且つ少なくとも一つのアナログーデジタル変換器、システム・メモリ及び少なくとも一つのプロセッサを含む光送受信機において、前記光送受信機に対して、前記ホスト・コンピュータ・システムと通信する前にデジタル診断情報の補正を実行するための方法であって、
前記光送受信機の動作パラメータに関連するアナログ信号を受信する動作と、
前記アナログ信号をデジタル・サンプルに変換する動作と、
前記少なくとも一つのプロセッサを利用して、前記光送受信機に、
前記デジタル・サンプルを補正して前記アナログ信号をデジタル・サンプルに変換する前又は変換中に前記アナログ信号に加えられる誤差を補償する動作、
を実行させるために前記マイクロコードを実行する動作と、
を備える方法。 - 前記補正されたデジタル・サンプルをホスト・コンピュータ・システムからアクセス可能な状態にする動作、
を更に備える、請求項1に記載の方法。 - 前記デジタル・サンプルは第一の非線型関数を規定し、前記デジタル・サンプルを補正する前記動作は、
前記デジタル・サンプルをマップして前記第一の非線型関数とは異なる第二の非線型関数を規定する、補正後のデジタル・サンプルを生成する動作、
を含む、請求項1に記載の方法。 - 前記デジタル・サンプルは非線型関数を規定し、前記デジタル・サンプルを補正する前記動作は、
前記デジタル・サンプルをマップして線型関数を規定する補正後のデジタル・サンプルを生成する動作、
を含む、請求項1に記載の方法。 - 前記デジタル・サンプルは線型関数を規定し、前記デジタル・サンプルを補正する前記動作は、
前記デジタル・サンプルをマップして非線型関数を規定する補正後のデジタル・サンプルを生成する動作、
を含む、請求項1に記載の方法。 - 前記デジタル・サンプルは第一の線型関数を規定し、前記デジタル・サンプルを補正する前記動作は、
前記デジタル・サンプルをマップして前記第一の線型関数とは異なる第二の線型関数を規定する補正後のデジタル・サンプルを生成する動作、
を含む、請求項1に記載の方法。 - 前記アナログ信号は光送受信機の温度、光送受信機の供給電圧、レーザ・バイアス電流、光送受信機の受信電力、又は光送受信機の送信電力の一つである、請求項1に記載の方法。
- 光送受信機であって、
少なくとも一つのプロセッサと、
アナログ信号から複数のデジタル・サンプルを取得するように構成されたアナログ−デジタル変換器と、
マイクロコードを有するシステム・メモリであって、前記マイクロコードは、前記少なくとも一つ以上のプロセッサによって実行されるときに、前記光送受信機は前記デジタル・サンプルにアクセスして、前記デジタル・サンプルの補正演算を実行して前記アナログ信号をデジタル・サンプルに変換前又は変換中に前記アナログ信号に加えられる誤差を補償するように構造化され、前記補正演算の実行により補正結果が生成される、システム・メモリと、
を備える光送受信機。 - 前記補正結果は、前記光送受信機に接続されたホスト・コンピュータ・システムからアクセス可能である、請求項8に記載の光送受信機。
- 前記デジタル・サンプルは第一の非線型関数を規定し、補正演算を実行することは前記デジタル・サンプルをマップして、前記第一の非線型関数とは異なる第二の非線型関数を規定する補正後のデジタル・サンプルを生成することを含む、請求項8に記載の光送受信機。
- 前記デジタル・サンプルは非線型関数を規定し、補正演算を実行することは前記デジタル・サンプルをマップして、線型関数を規定する補正後のデジタル・サンプルを生成することを含む、請求項8に記載の光送受信機。
- 前記デジタル・サンプルは線型関数を規定し、補正演算を実行することにより前記デジタル・サンプルをマップして、非線型関数を規定する補正後のデジタル・サンプルを生成することを含む、請求項8に記載の光送受信機。
- 前記デジタル・サンプルは第一の線型関数を規定し、補正演算を実行することは前記デジタル・サンプルをマップして、前記第一の線型関数とは異なる第二の線型関数を規定する補正後のデジタル・サンプルを生成することを含む、請求項8に記載の光送受信機。
- 前記アナログ信号は光送受信機の温度、光送受信機の供給電圧、レーザ・バイアス電流、光送受信機の受信電力又は光送受信機の送信電力の一つである、請求項8に記載の光送受信機。
- 前記光送受信機は、1Gのレーザ送受信機、2Gのレーザ送受信機、4Gのレーザ送受信機、8Gのレーザ送受信機又は10Gのレーザ送受信機の一つである、請求項8に記載の光送受信機。
- 前記光送受信機は、10Gを越える光ファイバ接続に適するレーザ送受信機である、請求項8に記載の光送受信機。
- 前記光送受信機は、XFPレーザ送受信機、SFPレーザ送受信機又はSFFレーザ送受信機の一つである、請求項8に記載の光送受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58525404P | 2004-07-02 | 2004-07-02 | |
US11/118,991 US7447438B2 (en) | 2004-07-02 | 2005-04-29 | Calibration of digital diagnostics information in an optical transceiver prior to reporting to host |
PCT/US2005/023777 WO2006014415A2 (en) | 2004-07-02 | 2005-07-01 | Calibration of digital diagnostics information in an optical transceiver prior to reporting to host |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008504754A JP2008504754A (ja) | 2008-02-14 |
JP4558791B2 true JP4558791B2 (ja) | 2010-10-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007518388A Expired - Fee Related JP4558791B2 (ja) | 2004-07-02 | 2005-07-01 | ホストに報告する前の光送受信機のデジタル診断情報の補正 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7447438B2 (ja) |
EP (1) | EP1763929B1 (ja) |
JP (1) | JP4558791B2 (ja) |
CN (1) | CN101099315B (ja) |
WO (1) | WO2006014415A2 (ja) |
Families Citing this family (10)
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US8639122B2 (en) | 2004-07-02 | 2014-01-28 | Finisar Corporation | Filtering digital diagnostics information in an optical transceiver prior to reporting to host |
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US8526821B2 (en) * | 2006-12-29 | 2013-09-03 | Finisar Corporation | Transceivers for testing networks and adapting to device changes |
JP5228879B2 (ja) * | 2008-12-17 | 2013-07-03 | 三菱電機株式会社 | 光送信装置 |
CN101888274B (zh) * | 2009-05-14 | 2014-06-04 | 华为技术有限公司 | 相干接收机反馈控制方法、装置及系统 |
US20120226458A1 (en) * | 2011-03-04 | 2012-09-06 | Embrionix Design Inc. | Sfp - diagnostic |
US8934779B2 (en) * | 2012-02-10 | 2015-01-13 | Source Photonics, Inc. | Operational status indicators in an optical transceiver using dynamic thresholds |
US9564965B2 (en) | 2012-08-22 | 2017-02-07 | Mitsubishi Electric Corporation | Signal monitoring apparatus, signal transmitting/receiving apparatus, and communication apparatus |
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-
2005
- 2005-04-29 US US11/118,991 patent/US7447438B2/en active Active
- 2005-07-01 CN CN200580021010.2A patent/CN101099315B/zh not_active Expired - Fee Related
- 2005-07-01 JP JP2007518388A patent/JP4558791B2/ja not_active Expired - Fee Related
- 2005-07-01 EP EP05770131.0A patent/EP1763929B1/en not_active Not-in-force
- 2005-07-01 WO PCT/US2005/023777 patent/WO2006014415A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
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EP1763929A2 (en) | 2007-03-21 |
US7447438B2 (en) | 2008-11-04 |
EP1763929B1 (en) | 2013-10-16 |
WO2006014415A3 (en) | 2007-09-07 |
EP1763929A4 (en) | 2012-08-22 |
CN101099315B (zh) | 2015-12-16 |
WO2006014415A2 (en) | 2006-02-09 |
CN101099315A (zh) | 2008-01-02 |
JP2008504754A (ja) | 2008-02-14 |
US20060002712A1 (en) | 2006-01-05 |
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