【资料名称】：高通Qchat指导书
【资料作者】：高通
【资料日期】：2008
【资料语言】：英文
【资料格式】：PDF
【资料目录和简介】：Contents
1 Introduction.......................................................................................................... 1-1
1.1 Scope ............................................................................................................ 1-1
1.2 Requirements Terminology .......................................................................... 1-1
1.3 References .................................................................................................... 1-2
1.4 QChat Overview ........................................................................................... 1-2
2 1xEV-DO Features ............................................................................................... 2-1
2.1 Overview ...................................................................................................... 2-1
2.2 Multi-Flow Packet Application .................................................................... 2-1
2.2.1 QoS Reservations .............................................................................. 2-1
2.2.2 Radio Link Protocol .......................................................................... 2-2
2.2.3 Data Over Signaling Protocol ........................................................... 2-4
2.2.4 Flow Control Protocol ....................................................................... 2-5
2.3 Generic Multimode Capability Discovery Protocol ..................................... 2-6
2.4 QChat Personality ........................................................................................ 2-6
2.5 Enhanced Idle State Protocol ....................................................................... 2-6
2.5.1 Asynchronous Signaling/Data Delivery ............................................ 2-7
2.6 Enhanced Access Channel MAC Protocol ................................................... 2-7
2.7 Enhanced Control Channel MAC Protocol .................................................. 2-8
2.8 Subtype 3 RTCMAC Protocol ..................................................................... 2-8
2.9 Enhanced Forward Traffic Channel MAC Protocol ..................................... 2-8
2.10 Subtype 2 Physical Layer Protocol ............................................................ 2-9
2.11 Generic Attribute Update Protocol (GAUP) .............................................. 2-9
3 Performance ......................................................................................................... 3-1
3.1 Introduction .................................................................................................. 3-1
3.1.1 QChat Performance ........................................................................... 3-1
3.1.2 Alert Performance ............................................................................. 3-4
3.2 Performance Requirements .......................................................................... 3-5
3.2.1 Packet Control Function and Base Station Controller ...................... 3-5
3.2.2 Distance-Based Paging...................................................................... 3-5
3.2.3 Access Channel Requirements .......................................................... 3-6
3.2.4 Control Channel Requirements ....................................................... 3-10
3.2.5 Traffic Channel Setup Performance ................................................ 3-12
3.2.6 RTCMAC Protocol Requirements and Performance ...................... 3-17
3.2.7 Forward Link Configurations .......................................................... 3-22
3.2.8 End-to-End Network Latency ......................................................... 3-22
3.2.9 Slotted AT-Terminated Data Delivery ............................................ 3-25
Contents
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3.3 Hybrid Operation ....................................................................................... 3-27
3.3.1 QChat Hybrid Mode Operation ....................................................... 3-27
3.3.2 Full-Time Simultaneous High Data Rate (FTS) ............................. 3-28
3.4 Inter-Subnet Handoff Performance ............................................................ 3-29
3.4.1 Inter-Subnet Functional Requirements ........................................... 3-29
3.4.2 Inter-Subnet Performance Requirements ........................................ 3-30
3.4.3 Subnet Scalability Guidelines ......................................................... 3-31
3.5 Inter-System Handoff Performance ........................................................... 3-31
4 Quality of Service ................................................................................................. 4-1
4.1 Introduction .................................................................................................. 4-1
4.1.1 QoS Bindings .................................................................................... 4-2
4.2 QChat QoS Overview................................................................................... 4-2
4.3 Data Marking ............................................................................................... 4-3
4.3.1 Differentiated Services Code Point (DSCP) ..................................... 4-3
4.3.2 QChat DSCP Values ......................................................................... 4-4
4.4 Packet Filters ................................................................................................ 4-6
4.5 QoS Profiles ................................................................................................. 4-6
4.5.1 QChat QoS Profiles ........................................................................... 4-7
4.6 Reverse Traffic Marking ............................................................................ 4-14
4.7 AT-Terminated Data Delivery ................................................................... 4-14
4.7.1 Data Delivery via Standard Paging Approach ................................ 4-14
4.7.2 Data Delivery via DOS to Slotted AT Approach ............................ 4-15
4.7.3 Data Delivery via DOS to AT in Continuous or Suspended
Mode ............................................................................................. 4-16
4.7.4 Selection of a Forward Link Delivery Option ................................. 4-17
4.8 AT-Originated Data Delivery ..................................................................... 4-17
4.8.1 AT-Originated DataOverSignaling ................................................. 4-17
4.8.2 AT-Originated Data Delivery over a Traffic Channel .................... 4-18
4.9 QChat QoS Resource Allocation ................................................................ 4-19
4.9.1 AT-Originated QChat Reservations ................................................ 4-20
4.9.2 AT-Terminated QChat Reservations ............................................... 4-23
4.10 Requirements for Optimal QChat Call Setup Performance ..................... 4-27
4.10.1 TCA Reliability Requirements ...................................................... 4-28
4.10.2 ReservationAccept Reliability Requirements ............................... 4-28
4.10.3 QChat Page Prioritization and Scheduling .................................... 4-28
4.10.4 Synchronized QoS State Maintenance .......................................... 4-29
4.10.5 QoS Management during a QChat call ......................................... 4-29
5 QChat BCMCS Operation .................................................................................. 5-1
5.1 Overview ...................................................................................................... 5-1
5.2 BCMCS Architecture for QChat .................................................................. 5-1
5.2.1 QChat Multicast Flows ..................................................................... 5-2
5.2.2 Multicast Channels for QChat ........................................................... 5-3
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5.2.3 Bearer Connection between BSN and the AN .................................. 5-5
5.2.4 Bearer Connection Setup between BSN and QAS ............................ 5-6
5.3 BCMCS Protocol Suite ................................................................................ 5-6
5.3.1 Broadcast Physical Layer Protocols .................................................. 5-6
5.3.2 Broadcast MAC Protocol .................................................................. 5-7
5.3.3 Broadcast Framing Protocol .............................................................. 5-7
5.3.4 Broadcast Control Protocol ............................................................... 5-7
5.4 QChat BCMCS Design ................................................................................ 5-8
5.4.1 Pre-Provisioning and Initialization Procedures ................................. 5-8
5.4.2 Call Setup Procedures ..................................................................... 5-14
5.4.3 Signaling During In-Call ................................................................. 5-29
5.4.4 Call Termination ............................................................................. 5-30
5.4.5 Inter-Subnet Handoff for QChat Multicast ATs ............................. 5-32
5.4.6 Multi-Carrier Operation .................................................................. 5-34
5.5 Performance ............................................................................................... 5-36
5.5.1 Broadcast Physical Layer Data Rates ............................................. 5-36
5.5.2 Interlace-Multiplex Pair Allocation for QChat ............................... 5-37
5.5.3 CSM6800 Software Version ........................................................... 5-38
5.5.4 Delay Performance .......................................................................... 5-38
5.5.5 Efficient Forward Link Utilization .................................................. 5-45
5.5.6 Hybrid Mode Impacts ..................................................................... 5-45
5.6 BCH Resource Management ...................................................................... 5-45
5.6.1 Definitions ....................................................................................... 5-45
5.6.2 BCH Resource Allocation, Mobility Management and BOM
Message Transmission Guidelines ............................................... 5-47
5.6.3 Dynamic Clustering: BCH Resource Allocation ............................ 5-56
5.6.4 Fixed Clustering: Requirements ...................................................... 5-62
5.7 Configuration Parameters at the AN .......................................................... 5-68
6 AN Features for Optimized QChat Performance ............................................. 6-1
6.1 Introduction .................................................................................................. 6-1
6.2 Fast Traffic Channel Setup: QuickConnect .................................................. 6-1
6.3 Quick Idle State Protocol ............................................................................. 6-3
6.3.1 Quick Paging Feature ........................................................................ 6-4
6.4 PN Randomization ....................................................................................... 6-4
6.5 DRC Erasure Mapping and DRC Multicasting ............................................ 6-5
6.6 Reporting the Number of TCHs via QuickConfig Message ........................ 6-6
7 Test Cases ............................................................................................................. 7-1
7.1 Introduction .................................................................................................. 7-1
7.2 General Assumptions ................................................................................... 7-1
7.3 Test Case: Configuration Parameters ........................................................... 7-2
7.3.1 Objective ........................................................................................... 7-2
7.3.2 Test Results ....................................................................................... 7-2
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7.4 Test Case: Traffic Channel Setup Performance ........................................... 7-3
7.4.1 Objective ........................................................................................... 7-3
7.4.2 Configuration and Assumptions ........................................................ 7-3
7.4.3 Boundary Markers ............................................................................. 7-3
7.4.4 Procedure .......................................................................................... 7-4
7.4.5 Test Results ....................................................................................... 7-4
7.5 Test Case: AT-Originated DataOverSignaling ............................................. 7-5
7.5.1 Objective ........................................................................................... 7-5
7.5.2 Configuration and Assumptions ........................................................ 7-5
7.5.3 Boundary Markers ............................................................................. 7-5
7.5.4 Procedure .......................................................................................... 7-6
7.5.5 Test Results ....................................................................................... 7-6
7.6 Test Case: AT-Terminated Data Delivery via Standard Paging .................. 7-6
7.6.1 Objective ........................................................................................... 7-6
7.6.2 Configuration and Assumptions ........................................................ 7-7
7.6.3 Boundary Markers ............................................................................. 7-7
7.6.4 Procedure .......................................................................................... 7-7
7.6.5 Test Results ....................................................................................... 7-8
7.7 Test Case: AT-Terminated Data Delivery via DOS to Slotted AT .............. 7-8
7.7.1 Objective ........................................................................................... 7-8
7.7.2 Configuration and Assumptions ........................................................ 7-9
7.7.3 Boundary Markers ............................................................................. 7-9
7.7.4 Procedure .......................................................................................... 7-9
7.7.5 Test Results ..................................................................................... 7-10
7.8 QChat Direct Call Flows ............................................................................ 7-10
7.8.1 1xEV-DO Rev. A Network Assumptions ....................................... 7-10
7.8.2 Test Case: Initial PTT Latency – DOS from Originator and Page
to Target ........................................................................................ 7-14
7.8.3 Test Case: Initial PTT Latency – DOS from Originator and DOS
to Target ........................................................................................ 7-16
7.8.4 Test Case: Initial PTT Latency - Originator and Target Serial
TCH Setup .................................................................................... 7-18
7.8.5 Test Case: Initial PTT Latency - Active Originator and Page to
Target ............................................................................................ 7-20
7.8.6 Test Case: Initial PTT Latency - Active Originator and DOS to
Target ............................................................................................ 7-22
7.8.7 Test Case: Initial PTT Latency - TCH Setup at Originator to
Active Target ................................................................................ 7-24
7.8.8 Test Case: Initial PTT Latency – DOS from Originator to Active
Target ............................................................................................ 7-26
7.8.9 Test Case: Initial PTT Latency – Active Originator to Active
Target ............................................................................................ 7-28
7.8.10 Test Case: Initial Media Latency .................................................. 7-30
7.8.11 Test Case: In-Call PTT Latency .................................................... 7-32
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7.8.12 Test Case: In-Call Media Latency ................................................. 7-33
7.9 QChat Alert Call Flows .............................................................................. 7-35
7.9.1 Test Case: Alert Latency - Originator and Target Serial TCH
Setup ............................................................................................. 7-35
7.9.2 Test Case: Alert Latency - DOS from Originator and Page to
Target ............................................................................................ 7-37
7.9.3 Test Case: Alert Latency – DOS from Originator and DOS to
Target ............................................................................................ 7-39
7.9.4 Test Case: Alert Latency - Active Originator and Page to Target .. 7-41
7.9.5 Test Case: Alert Latency - Active Originator and DOS to Target .. 7-43
7.9.6 Test Case: Alert Latency - TCH Setup at Originator to Active
Target ............................................................................................ 7-45
7.9.7 Test Case: Alert Latency – DOS from Originator to Active
Target ............................................................................................ 7-47
7.9.8 Test Case: Alert Latency – Active Originator to Active Target ..... 7-49
7.10 Hybrid Mode Operation ........................................................................... 7-51
7.10.1 Test Case: Legacy Hybrid Mode Initial PTT Latency – DOS
from Originator and Page to Target .............................................. 7-51
7.10.2 Test Case: Legacy Hybrid Mode Initial PTT Latency – DOS
from Originator and DOS to Target .............................................. 7-53
7.10.3 Test Case: Legacy Hybrid Mode Initial PTT Latency -
Originator and Target Serial TCH Setup ...................................... 7-55
7.10.4 Test Case: FTS Mode Initial PTT Latency – DOS from
Originator and Page to Target....................................................... 7-58
7.10.5 Test Case: FTS Mode Initial PTT Latency – DOS from
Originator and DOS to Target ...................................................... 7-60
7.10.6 Test Case: FTS Mode Initial PTT Latency - Originator and
Target Serial TCH Setup .............................................................. 7-62
7.11 QChat Multicast Group Call Flows .......................................................... 7-65
7.11.1 Test Case: BCMCS Configuration Parameters ............................. 7-65
7.11.2 Test Case: BCH Setup Performance ............................................. 7-66
7.11.3 Test Case: AT-Terminated Data Delivery and ACM
Transmission ................................................................................. 7-67
7.11.4 Test Case: AT-Terminated Multicast Data Forwarding and
Scheduling .................................................................................... 7-68
7.11.5 Test Case: Initial PTT Latency – Idle Originator and Idle
Target ............................................................................................ 7-69
7.11.6 Test Case: Initial PTT Latency – Idle Originator and Active
Target ............................................................................................ 7-70
7.11.7 Test Case: Initial PTT Latency – Active Originator and Idle
Target ............................................................................................ 7-72
7.11.8 Test Case: Initial PTT Latency – Active Originator and Active
Target ............................................................................................ 7-73
7.11.9 Test Case: Initial Media Latency .................................................. 7-75
7.11.10 Test Case: In-Call PTT Latency .................................................. 7-76
Contents
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7.11.11 Test Case: In-Call Media Latency ............................................... 7-76
A. Acronyms and Terminology.............................................................................. A-1
B. Requirements Index ........................................................................................... B-1
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