User Manual

ADCP-XX-XXX • November 2000 • Section 3: WMTS Functional Description
Page 3-1
 2000, ADC Telecommunications, Inc.
SECTION 3: WMTS FUNCTIONAL DESCRIPTION
Content Page
1 INTRODUCTION..................................................................... 2
1.1 Overview ................................................................... 2
1.2 Internet Access ............................................................ 2
1.3 DOCSIS Compliance .......................................................... 2
2 IMPLEMENTATION................................................................... 3
2.1 Overview ................................................................... 3
2.2 Data Throughput ............................................................ 3
3 TRAFFIC STRUCTURE................................................................ 4
3.1 Overview ................................................................... 4
3.2 Frame Conversion ........................................................... 4
4 DOWNSTREAM....................................................................... 4
4.1 Overview ................................................................... 4
4.2 Forward Error Correction (FEC) ............................................. 4
4.3 Downstream Transmission .................................................... 4
4.4 Forward Path Modulation Format ............................................. 5
4.5 Variable Depth Interleave .................................................. 5
4.6 Downstream RF Channels ..................................................... 6
4.7 Transmission Convergence Protocol .......................................... 6
4.8 Forward Channels ........................................................... 7
5 UPSTREAM......................................................................... 8
5.1 Overview ................................................................... 8
5.2 Return Channel ............................................................. 8
5.3 Upstream Transmission ...................................................... 9
5.4 Return Path Modulation Format ............................................. 10
5.5 MAC Layer Protocol ........................................................ 10
5.6 Bandwidth Allocation Map Parameters ....................................... 11
6 MODEM CONFIGURATION............................................................. 11
6.1 Overview .................................................................. 11
6.2 Obtain Upstream Parameters ................................................ 11
6.3 Provisioning .............................................................. 12
6.4 Channel Acquisition ....................................................... 13
6.5 Ranging ................................................................... 13
6.6 IP Layer Establishment .................................................... 14
6.7 Registration .............................................................. 15
6.8 Encryption ................................................................ 15
6.9 Key Update Mechanism ...................................................... 16
6.10 Baseline Privacy Key Management (BPKM) Protocol ........................... 16
6.11 Authorization State Machine ............................................... 16
6.12 TEK State Machine ......................................................... 17