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1xEV-DO REVISION A SESSION NEGOTIATION EXAMPLE


March 10, 2008 80-W1259-1 Rev C
No of pages : 98
Author: ESG/ Qualcomm
Table of Contents
1. Introduction......................................................................................................................................1
1.1 Purpose ...........................................................................................................................................1
1.2 Scope ..............................................................................................................................................1
1.3 Document Organization...................................................................................................................1
1.4 Conventions.....................................................................................................................................1
1.5 Revision History...............................................................................................................................2
1.6 References ......................................................................................................................................2
1.7 Acronyms.........................................................................................................................................2
2. Session Negotiation.........................................................................................................................5
2.1 1xEV-DO Session Overview ............................................................................................................5
2.2 Difference between an EV-DO Session, Connection and a PPP Session.......................................7
2.3 Lifetime of a 1xEV-DO Session........................................................................................................7
2.4 Generic Configuration Protocol ........................................................................................................7
2.5 Types of Attributes and their use......................................................................................................8
2.6 SNP header and Use of Protocol Instance ......................................................................................8
2.7 Example log and high level Session Negotiation call flow ...............................................................8
3. Session Setup ...............................................................................................................................11
3.1 Obtain Unicast Access Terminal Identifier (UATI)..........................................................................11
3.1.1 AT requests UATI in an Access Channel capsule.................................................................11
3.1.2 AN assigns UATI to the AT....................................................................................................14
3.1.3 AT sends UATI Complete in an Access Channel Capsule....................................................16
4. Session Configuration phase – Negotiation of Multiple Personalities............................................19
4.1 Establishment of Air Link resources ...............................................................................................20
4.1.1 AT requests Air Link resources .............................................................................................20
4.1.2 AN allocates Air Link resource ..............................................................................................21
4.1.3 AN acknowledges establishment of Reverse Air Link ...........................................................23
4.1.4 AT acknowledges TCA and establishment of Forward Link..................................................24
4.2 Configuration of First (Main) Personality........................................................................................24
4.2.1 AT conveys protocol and application subtypes that it supports.............................................24
4.2.2 AT initiated configuration of Default Idle State Protocol ........................................................28
4.2.3 AT initiated configuration of Stream Protocol ........................................................................29
4.2.4 Completion of AT initiated configuration of First Personality.................................................34
4.2.5 AN initiated configuration of Session Configuration Protocol ................................................34
4.2.6 AN initiated configuration of Access Channel MAC Protocol ................................................35
4.2.7 AN initiated configuration of Forward Traffic Channel MAC Protocol ...................................37
80-W1259-1 Rev C MAY CONTAIN U.S. EXPORT CONTOLLED INFORMATION Page iv
4.2.8 AN initiated configuration of Reverse Traffic Channel MAC Protocol ...................................38
4.2.9 AN initiated configuration of Route Update Protocol .............................................................40
4.2.10 AN initiated configuration of Session Management Protocol ................................................42
4.2.11 AN initiated configuration of Stream Protocol........................................................................43
4.2.12 Completion of First Personality Negotiation ..........................................................................45
4.3 Second Personality Negotiation .....................................................................................................47
4.3.1 AT initiated negotiation of Protocol subtypes for the Second Personality .............................48
4.3.2 AT initiated configuration of Idle State Protocol.....................................................................50
4.3.3 AT initiated configuration of Stream Protocol ........................................................................51
4.3.4 AT initiated configuration of Route Update Protocol .............................................................52
4.3.5 AT initiated configuration of RTCMAC Subtype 3 Protocol ...................................................53
4.3.6 AT initiated configuration of Enhanced Multi-Flow Packet Application .................................55
4.3.7 Completion of negotiation of parameters for Second Personality from AT side....................58
4.3.8 AN initiated configuration of Session Configuration Protocol ................................................59
4.3.9 AN initiated configuration of Enhanced FTCMAC .................................................................63
4.3.10 AN initiated configuration of RTCMAC Subtype 3 .................................................................64
4.3.11 AN initiated configuration of Enhanced Multi-Flow Packet Application subtype ...................76
4.3.12 AN initiated configuration of Stream Protocol........................................................................77
4.3.13 Negotiation of Second Personality Complete........................................................................78
4.3.14 Commit the parameters of the personality in use..................................................................81
5. Session Authentication..................................................................................................................83
5.1 AT initiated Session Authentication................................................................................................83
5.1.1 AT opens Stream01 stream for AN authentication................................................................84
6. Appendix........................................................................................................................................87
6.1 Personality Switch ..........................................................................................................................87
6.1.1 AN sends GAUP message to switch personality...................................................................87
6.2 Closing A Session ..........................................................................................................................88
6.2.1 AT sends SessionClose to delete a 1xEV-DO Session ........................................................88
6.3 Start Configuration or change parameters of an existing Session.................................................89
7. Best Practices................................................................................................................................91
80-W1259-1 Rev C MAY CONTAIN U.S. EXPORT CONTOLLED INFORMATION Page v
List of Figures
Figure 1: 1xEV-DO Protocol Stack Reference Architecture 5
Figure 2: 1xEV-DO Session, Connection and PPP Session 7
Figure 3: Phases of Session Negotiation 9
Figure 4: Session Setup 11
Figure 5: Construction of UATI when 104 MSB are not provided in the UATIA 15
Figure 6: High level call flow of Protocol Negotiation 19
Figure 7: Traffic Channel establishment call flow 20
Figure 8: Authentication Call flow 83