CableLabsSpecification Engineering Change (EC) Form
Project
EC TRACKING INFORMATION (Blue fields to be completed by CableLabs only)
DOCSIS
N Identifier PHYv3.1-N-14.1136-5
Status
Affected Specification
ECR Date
ECO Date
ECN Date
ECN Effective Date
CM-SP-PHYV3.1-I01-131029
2/12/2014
Comment Period End Date 2/12/2014
SEVERITY
2/26/2014
Comment Period End Date 2/26/2014
Non-Critical
2/26/2014
108
Critical
Cert Wave No
Overall Type of Change (Tech/Edit/Both) Both
Version
5
CHANGE TYPE
Minor
Major
TO OBTAIN LATEST ISSUED SPECIFICATION WORD VERSION, CLICK HERE :
https://www.cablelabs.com/doczone/docsis/requirements/specs/current/issued/
TO SUBMIT EC, EMAIL COMPLETED FORM TO: docsis_ec@cablelabs.com
SPECIFICATION DOCUMENT DETAILS
Document EC is written against: CM-SP-PHYv3.1 Issued Version # I01
AUTHOR INFORMATION
Primary Author
Email
Company
Additional Contributors
First Belal Last Hamzeh
b.hamzeh@cablelabs.com
CableLabs
DOCSIS 3.1 PHY working group
Title of EC
Date sent to CableLabs
PHYv3.1 Feature Enhancements
1/29/2014
Date of revised EC
Brief description of revision
2/26/14
Minor editorial changes
Country
Phone
USA
303-661-9100
ENGINEERING CHANGE DOCUMENT DETAILS
EC REVISION HISTORY
DETAILED PROPOSED CHANGES
Sections Affected
PHY3.1 Omnibus
REQs Affected
Yes
Test Plans Affected
No
OTHER RELATED ENGINEERING CHANGES (LIST ALL THE APPLY)
The following EC(s) are recommended to be processed in conjunction with this document:
EC#
Title of EC
Affected Document
N/A
N/A
N/A
NOTE! IMPORTANT EC AUTHOR INSTRUCTIONS:
For an ECR to advance to ECO status:
- Requirements Affected section of the embedded DOCSIS-SpecDetailChange.docx must be completed.
- If applicable, the embedded TestPlanDetailChanges.docx must be completed.
For an ECO to advance to ECN status:
- If applicable, compiled MIB files and final Schema docs must be attached before requested changes can
move to ECN status and noted as attachments in the table directly below.
DOCSIS_Spec-TestPlan_EC-Form_10-2013.docx
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In submitting the Engineering Change Request ("ECR"), the Author(s) [primary author, additional authors, and contributors], individually and as
an authorized representative of the Company, agrees that if CableLabs incorporates this ECR in whole or in part into the relevant Specification,
all intellectual property in the ECR shall be licensed royalty free, and without confidentiality, under the terms of the "Data Over Cable Service
Interface Specifications License Agreement" ("Contribution Agreement"). CableLabs may disclose the content of this ECR to CableLabs'
members and such others as is necessary for the development of CableLabs' specifications. Questions about the Authors' licensing of
intellectual property in this ECR submission may be directed to legal@cablelabs.com.
This Engineering Change has the following file(s) attached.
Type of Attachment(s) (Visio, Word, txt,
.yang, etc.)
File Name of Attachment(s)
DETAILED DESCRIPTION OF PROBLEM:
This EC incorporates all modifications and additions made to the DOCSIS 3.1 PHY I01 specification. Changes
were made in many sections of the specification.
Changes to the D3.1 PHY I01 incorporated in this version 1 omnibus ECR include but are not necessarily limited to
the following:
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Updated 3 Terms and Definitions: active subcarrier, carrier-to-noise ratio, dynamic range window,
encompassed spectrum, frame (removed), group delay variation, guard band modulated spectrum, occupied
bandwidth, OFDMA frame, PHY link channel frame, roll-off period, symbol duration, unused subcarrier,
zero valued minislot (removed).
Updates to 4 Abbreviations and Acronyms: µs, DC (removed), MSM, RP
Updates to 6.2 PHY Sublayer for SC-QAM: Upstream Transmit and receive: references to SC-QAM –
only requirements from DOCSIS 3.0 PHY specifications.
Updated 7.2.5 Channel Band Rules: downstream channel bandwidth rules, downstream exclusion band
rules, upstream channel bandwidth rules.
Updated 7.3.3 Subcarrier Clocking
Updated 7.4.2.1 Framing
Updated 7.4.4.1 FEC Codeword Selection
Updated 7.4.5 Data Randomization
Updated 7.4.6 Time and Frequency Interleaving and Deinterleaving
Updated 7.4.7 Mapping of Bits to Cell Words
Updated 7.4.8 Mapping and De-mapping Bits to/from QAM subcarriers
Updated 7.4.8.2 Constellation Mapping
Updated 7.4.9 REQ Messages
Added 7.4.12 Burst Timing Convention
Updated 7.4.13 Fidelity Requirements
Updated 7.4.13.1 Transmit Power Requirements
Added 7.4.13.1.1 Transmit Power Requirements with Multiple Transmit Channel Mode Enabled
Added 7.4.13.2 OFDMA Transmit Power Calculations
Updated 7.4.13.3 Global Reconfiguration Time for OFDMA Channels
Updated 7.4.13.4.1 Spurious Emissions
Added 7.4.15.2 CMTS Receiver Error Ratio Performance in AWGN Channel
Updated 7.4.16.1.2 Initial Ranging Signal
Updated 7.4.16.1.5 Padding and Randomizing
Updated 7.4.16.1.6 Symbol duplicating cyclic prefix and windowing
Updated 7.4.16.2.2 Transmission of the fine ranging signal
Updated 7.4.16.2.4 Padding and Randomizing
Updated 7.4.16.2.5 Exclusion Bandwidths
Updated 7.4.17.1 Pilot Patterns for 8-Subcarrier Minislots
Updated 7.4.17.2 Pilot Patterns for 16-Subcarrier Minislots
DOCSIS_Spec-TestPlan_EC-Form_10-2013.docx
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In submitting the Engineering Change Request ("ECR"), the Author(s) [primary author, additional authors, and contributors], individually and as
an authorized representative of the Company, agrees that if CableLabs incorporates this ECR in whole or in part into the relevant Specification,
all intellectual property in the ECR shall be licensed royalty free, and without confidentiality, under the terms of the "Data Over Cable Service
Interface Specifications License Agreement" ("Contribution Agreement"). CableLabs may disclose the content of this ECR to CableLabs'
members and such others as is necessary for the development of CableLabs' specifications. Questions about the Authors' licensing of
intellectual property in this ECR submission may be directed to legal@cablelabs.com.
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Updated 7.4.17.3 Pilot Boosting
Updated 7.4.17.6 Pilot Modulation
Updated 7.4.18 Upstream Pre-Equalization
Updated 7.5.3.4 Downstream Timing Acquisition Accuracy
Updated 7.5.7.1 Downstream Transmitter Inverse Discrete Fourier Transform
Updated 7.5.9.1.2 Out-of-Band Noise and Spurious Requirements for CMTS
Updated 7.5.10.1 CMTS Output Electrical Requirements
Updated 7.5.11 Cable Modem Receiver Input Requirements
Updated 7.5.13.8 Randomizing the PLC Subcarriers
Updated 8.3.2 MAC Frame to Codewords
Updated 8.3.4 Next Codeword Pointer and sub-sections
Updated 9 Proactive Network Maintenance and sub-sections
CHANGE DETAILS FOR THE SPECIFICATION:
Complete Engineering Change details for the specification is contained in the following embedded file:
EChange_PHYv3.1-1
4.1136-5.docx
CHANGE DETAILS FOR THE TEST PLAN (ATP):
Complete Engineering Change details for the test plan is contained in the following embedded file:
No test plan changes are included with this omnibus EC since DOCSIS 3.1 PHY ATP has not been completed and
released yet.
End of Request
Additional Instructions to EC Author
Embed_Doc_TrkChg_
Instr.docx
DOCSIS_Spec-TestPlan_EC-Form_10-2013.docx
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In submitting the Engineering Change Request ("ECR"), the Author(s) [primary author, additional authors, and contributors], individually and as
an authorized representative of the Company, agrees that if CableLabs incorporates this ECR in whole or in part into the relevant Specification,
all intellectual property in the ECR shall be licensed royalty free, and without confidentiality, under the terms of the "Data Over Cable Service
Interface Specifications License Agreement" ("Contribution Agreement"). CableLabs may disclose the content of this ECR to CableLabs'
members and such others as is necessary for the development of CableLabs' specifications. Questions about the Authors' licensing of
intellectual property in this ECR submission may be directed to legal@cablelabs.com.