1、 TIA-1142-C (Revision of TIA-1142-B) March 2015Interoperability Specification (IOS) for Evolved High Rate Packet Data (eHRPD) Radio Access Network Interfaces and Interworking with Enhanced Universal Terrestrial Radio Access Network (E-UTRAN) NOTICE TIA Engineering Standards and Publications are desi
2、gned to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for their particular need. The exist
3、ence of such Standards and Publications shall not in any respect preclude any member or non-member of TIA from manufacturing or selling products not conforming to such Standards and Publications. Neither shall the existence of such Standards and Publications preclude their voluntary use by Non-TIA m
4、embers, either domestically or internationally. Standards and Publications are adopted by TIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to partie
5、s adopting the Standard or Publication. This Standard does not purport to address all safety problems associated with its use or all applicable regulatory requirements. It is the responsibility of the user of this Standard to establish appropriate safety and health practices and to determine the app
6、licability of regulatory limitations before its use. Any use of trademarks in this document are for information purposes and do not constitute an endorsement by TIA or this committee of the products or services of the company. (From Project No. TIA-PN-1142-C, formulated under the cognizance of the T
7、IA TR-45 Mobile (b) there is no assurance that the Document will be approved by any Committee of TIA or any other body in its present or any other form; (c) the Document may be amended, modified or changed in the standards development or any editing process. The use or practice of contents of this D
8、ocument may involve the use of intellectual property rights (“IPR”), including pending or issued patents, or copyrights, owned by one or more parties. TIA makes no search or investigation for IPR. When IPR consisting of patents and published pending patent applications are claimed and called to TIAs
9、 attention, a statement from the holder thereof is requested, all in accordance with the Manual. TIA takes no position with reference to, and disclaims any obligation to investigate or inquire into, the scope or validity of any claims of IPR. TIA will neither be a party to discussions of any licensi
10、ng terms or conditions, which are instead left to the parties involved, nor will TIA opine or judge whether proposed licensing terms or conditions are reasonable or non-discriminatory. TIA does not warrant or represent that procedures or practices suggested or provided in the Manual have been compli
11、ed with as respects the Document or its contents. If the Document contains one or more Normative References to a document published by another organization (“other SSO”) engaged in the formulation, development or publication of standards (whether designated as a standard, specification, recommendati
12、on or otherwise), whether such reference consists of mandatory, alternate or optional elements (as defined in the TIA Procedures for American National Standards) then (i) TIA disclaims any duty or obligation to search or investigate the records of any other SSO for IPR or letters of assurance relati
13、ng to any such Normative Reference; (ii) TIAs policy of encouragement of voluntary disclosure (see TIA Procedures for American National Standards Annex C.1.2.3) of Essential Patent(s) and published pending patent applications shall apply; and (iii) Information as to claims of IPR in the records or p
14、ublications of the other SSO shall not constitute identification to TIA of a claim of Essential Patent(s) or published pending patent applications. TIA does not enforce or monitor compliance with the contents of the Document. TIA does not certify, inspect, test or otherwise investigate products, des
15、igns or services or any claims of compliance with the contents of the Document. ALL WARRANTIES, EXPRESS OR IMPLIED, ARE DISCLAIMED, INCLUDING WITHOUT LIMITATION, ANY AND ALL WARRANTIES CONCERNING THE ACCURACY OF THE CONTENTS, ITS FITNESS OR APPROPRIATENESS FOR A PARTICULAR PURPOSE OR USE, ITS MERCHA
16、NTABILITY AND ITS NONINFRINGEMENT OF ANY THIRD PARTYS INTELLECTUAL PROPERTY RIGHTS. TIA EXPRESSLY DISCLAIMS ANY AND ALL RESPONSIBILITIES FOR THE ACCURACY OF THE CONTENTS AND MAKES NO REPRESENTATIONS OR WARRANTIES REGARDING THE CONTENTS COMPLIANCE WITH ANY APPLICABLE STATUTE, RULE OR REGULATION, OR T
17、HE SAFETY OR HEALTH EFFECTS OF THE CONTENTS OR ANY PRODUCT OR SERVICE REFERRED TO IN THE DOCUMENT OR PRODUCED OR RENDERED TO COMPLY WITH THE CONTENTS. TIA SHALL NOT BE LIABLE FOR ANY AND ALL DAMAGES, DIRECT OR INDIRECT, ARISING FROM OR RELATING TO ANY USE OF THE CONTENTS CONTAINED HEREIN, INCLUDING
18、WITHOUT LIMITATION ANY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF AD
19、VISED OF THE POSSIBILITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-1142-C Revision History Date Publication Description March 2009 A.S0022-0 v1.0 For fe
20、atures supported, refer to section 1.1. April 2010 A.S0022-0 v2.0 Bug fixes/additions including active handoff from E-UTRAN to eHRPD with handover between eANs, and support for PDSN/ HSGW flow priority update. February 2011 A.S0022-A v1.0 Bug fixes and updates to support alignment with 3GPP Release
21、9. April 2012 A.S0022-B v1.0 Support alignment with 3GPP Release 10. February 2015 A.S0022-C v1.0 Support of load reporting between E-UTRAN and eHRPD. TIA-1142-C (This page intentionally left blank) TIA-1142-C Table of Contents 1 Foreword viii 2 1 Introduction . 1-1 3 1.1 Overview . 1-1 4 1.1.1 Purp
22、ose 1-1 5 1.1.2 Scope . 1-1 6 1.1.3 Document Convention 1-1 7 1.2 References . 1-2 8 1.2.1 Normative References . 1-2 9 1.2.2 Informative References . 1-3 10 1.3 Terminology 1-3 11 1.3.1 Acronyms 1-4 12 1.3.2 Definitions 1-6 13 1.4 HRPD IOS Architecture Reference Model . 1-9 14 1.4.1 eHRPD IOS Inter
23、faces 1-11 15 1.4.2 eHRPD IOS Network Entities 1-13 16 1.5 HRPD Micro-Mobility and Macro-Mobility Concepts 1-15 17 1.6 Compatibility with IOS Standards 1-15 18 1.7 Compatibility with 3GPP Standards . 1-15 19 1.8 Message Body, Coding, Ordering, and Interpretation of Elements 1-15 20 1.9 Forward Compa
24、tibility Guidelines . 1-15 21 1.10 Message Processing Guidelines 1-16 22 1.11 Message Definition Guidelines . 1-16 23 1.12 eHRPD IOS Assumptions . 1-16 24 1.12.1 IOS Assumptions 1-16 25 1.12.2 QoS Assumptions . 1-17 26 1.13 State Definition . 1-17 27 1.13.1 Packet Data Session State . 1-18 28 1.13.2
25、 IP Flow State . 1-18 29 1.14 Feature Descriptions . 1-18 30 1.14.1 Explicitly Supported Features . 1-18 31 1.14.1.1 Generic Key Exchange (GKE) 1-19 32 1.14.1.2 Dormant Handoff of Legacy Mode from eHRPD to HRPD . 1-19 33 1.14.1.3 Dormant Handoff of Legacy Mode from HRPD to eHRPD . 1-19 34 1.14.1.4 D
26、ormant Handoff with Personality Switch from Evolved Mode on eHRPD to 35 Legacy Mode on HRPD 1-19 36 1.14.1.5 Active Handoff of Legacy Mode from eHRPD to HRPD 1-19 37 i TIA-1142-C 1.14.1.6 Active Handoff of Legacy Mode from HRPD to eHRPD 1-19 1 1.14.1.7 Active Optimized Handoff from E-UTRAN to eHRPD
27、. 1-20 2 1.14.1.8 Dormant Non-optimized Handoff from E-UTRAN to eHRPD 1-20 3 1.14.1.9 Dormant Non-optimized Handoff from eHRPD to E-UTRAN 1-20 4 1.14.1.10 Standalone eHRPD . 1-20 5 1.14.1.11 Support for Emergency Services in eHRPD . 1-20 6 1.14.1.12 Active Non-optimized Handoff from eHRPD to E-UTRAN
28、 1-20 7 1.14.1.13 Flow Priority Update by the HSGW . 1-20 8 1.14.1.14 Cross Connectivity between eHRPD and HRPD 1-20 9 1.14.1.15 Load Reporting between eHRPD and E-UTRAN 1-21 10 1.14.2 Transparently Supported Features 1-21 11 1.14.2.1 Active and Dormant Handoff Between E-UTRAN and eHRPD for Dual 12
29、Transmitter eATs 1-21 13 1.14.3 HSGW Selection . 1-21 14 1.14.3.1 HSGW Selection Algorithm . 1-21 15 1.14.3.1.1 Default HSGW Selection Algorithm 1-21 16 1.14.3.1.2 Operator Policy Based HSGW Selection Algorithm 1-22 17 2 HRPD IOS Interfaces 2-1 18 2.1 A1/A1p (IWS - MSC) Interface 2-1 19 2.2 A8-A9 (A
30、N - PCF) Interface 2-1 20 2.3 A10-A11 (PCF - PDSN/HSGW) Interface . 2-1 21 2.4 A12 (AN/PCF - AN-AAA) Interface 2-1 22 2.5 A13 (AN/PCF AN/PCF) Interface . 2-1 23 2.5.1 A13-Session Information Request 2-1 24 2.5.1.1 Successful Operation 2-1 25 2.5.1.2 Failure Operation 2-2 26 2.5.2 A13-Session Informa
31、tion Response 2-2 27 2.5.2.1 Successful Operation 2-2 28 2.5.2.2 Failure Operation 2-3 29 2.6 A14 (AN - PCF) Interface . 2-3 30 2.6.1 A14-UATI Request . 2-3 31 2.6.1.1 Successful Operation 2-3 32 2.6.1.2 Failure Operation 2-3 33 2.7 A15 (AN - AN) Interface 2-4 34 2.8 A16 (AN - AN) Interface 2-4 35 2
32、.8.1 A16-Session Transfer Request 2-4 36 2.8.1.1 Successful Operation 2-4 37 ii TIA-1142-C 2.8.1.2 Failure Operation 2-4 1 2.8.2 A16-Session Transfer Response . 2-4 2 2.8.2.1 Successful Operation 2-4 3 2.8.2.2 Failure Operation 2-5 4 2.9 A17, A18, and A19 Interface 2-5 5 2.10 A20 (AN - PCF) Interfac
33、e . 2-5 6 2.11 A21 (AN IWS) Interface 2-5 7 2.12 A24 AN/PCF-AN/PCF (IP Tunneling) Interface 2-5 8 2.13 S101 (MME eAN) Interface 2-5 9 2.14 S121(MME-eAN) Interface 2-5 10 3 E-UTRAN-eHRPD IOS Call Flows . 3-1 11 3.1 Supported Call Flows for eHRPD Operation 3-1 12 3.2 E-UTRAN to eHRPD Handoff Call Flow
34、s . 3-2 13 3.2.1 E-UTRAN to eHRPD Pre-Registration Call Flows 3-2 14 3.2.1.1 E-UTRAN to eHRPD Active Optimized Handoff Pre-Registration 3-2 15 3.2.1.1.1 E-UTRAN to eHRPD Active Optimized Handoff Pre-Registration SC/MM 16 at eAN Case 3-3 17 3.2.1.1.2 E-UTRAN to eHRPD Active Optimized Handoff Pre-Regi
35、stration SC/MM 18 at ePCF Case . 3-5 19 3.2.2 E-UTRAN to eHRPD Active Optimized Handoff 3-7 20 3.2.2.1 E-UTRAN to eHRPD Active Optimized Handoff Preparation and Execution 21 A8 Connected 3-7 22 3.2.2.2 E-UTRAN to eHRPD Active Optimized Handoff Preparation and Execution 23 A8 Disconnected . 3-9 24 3.
36、2.2.3 E-UTRAN to eHRPD Active Optimized Handoff Preparation and Execution 25 with Handover between eANs 3-11 26 3.2.3 E-UTRAN to eHRPD Dormant Non-optimized Handoff . 3-15 27 3.2.3.1 Dormant Non-optimized Handoff from E-UTRAN to eHRPD (Same 28 eAN/ePCF) 3-15 29 3.2.3.2 Dormant Non-optimized Handoff
37、from E-UTRAN to eHRPD (Different 30 eAN/ePCF) 3-16 31 3.2.3.3 Dormant Non-optimized Handoff from E-UTRAN to eHRPD with Prior Session 32 Removal 3-18 33 3.3 eHRPD to E-UTRAN Non-optimized Handoff Call Flows 3-19 34 3.3.1 eHRPD to E-UTRAN Dormant Non-optimized Handoff . 3-20 35 3.3.2 Active Non-optimi
38、zed Handoff from eHPRD to E-UTRAN 3-21 36 3.4 eHRPD Session Maintenance . 3-22 37 3.4.1 Re-authentication of an Idle eAT in eHRPD via S101 . 3-22 38 3.4.2 eHRPD Connection Release . 3-23 39 iii TIA-1142-C 3.4.2.1 Connection Release on eHRPD Network - Initiated by either eAT or eAN . 3-23 1 3.4.2.2 C
39、onnection Release on eHRPD Network - Initiated by the ePCF 3-24 2 3.4.3 eHRPD Session Release . 3-25 3 3.4.3.1 eHRPD Session Release - Initiated by the eAT or eAN . 3-25 4 3.4.3.2 eHRPD Session Release - Initiated by the ePCF (A8 Connection Exists) 3-25 5 3.4.3.3 eHRPD Session Release - Re-authentic
40、ation of eAT Failure . 3-26 6 3.4.4 Packet Data Session Release - Initiated by the HSGW. 3-28 7 4 Messages, Information Elements and Timer Definitions 4-1 8 4.1 Message Definitions 4-1 9 4.1.1 A13 Message Definitions 4-1 10 4.1.1.1 A13-Session Information Request 4-1 11 4.1.1.2 A13-Session Informati
41、on Response 4-3 12 4.1.2 A14 Message Definitions 4-8 13 4.1.2.1 A14-UATI Request . 4-8 14 4.1.3 A15 Message Definitions 4-10 15 4.1.4 A16 Message Definitions 4-10 16 4.1.4.1 A16-Session Transfer Request 4-10 17 4.1.4.2 A16-Session Transfer Response . 4-19 18 4.1.5 A17 Message Definitions 4-21 19 4.1
42、.6 A18 Message Definitions 4-22 20 4.1.7 A19 Message Definitions 4-22 21 4.1.8 A21 Message Definitions 4-22 22 4.2 Information Element Definitions 4-22 23 4.2.1 A13 Information Element Definitions 4-22 24 4.2.1.1 A13 Information Element Identifiers 4-22 25 4.2.1.2 A13 Cross Reference of IEs with Mes
43、sages . 4-23 26 4.2.1.3 Source HSGW H1 IPv4 Address 4-25 27 4.2.1.4 A13 eHRPD Indicators . 4-25 28 4.2.2 A14 Information Element Definitions 4-26 29 4.2.2.1 A14 Information Element Identifiers 4-26 30 4.2.2.2 A14 Cross Reference of IEs with Messages . 4-27 31 4.2.2.3 eHRPD A14 Indicators . 4-32 32 4
44、.2.3 A15 Information Element Definitions 4-33 33 4.2.4 A16 Information Element Definitions 4-33 34 4.2.4.1 A16 Information Element Identifiers 4-33 35 4.2.4.2 A16 Cross Reference of IEs with Messages . 4-35 36 4.2.4.3 Source HSGW H1 IPv4 Address 4-37 37 iv TIA-1142-C 4.2.4.4 PDN Information 4-38 1 4
45、.2.4.5 Forwarding Tunnel Parameter 4-38 2 4.2.4.6 HRPDOpenLoopParameters . 4-39 3 4.2.5 A17, A18, and A19 Information Element Definitions 4-40 4 4.2.6 A21 Information Element Definitions 4-40 5 4.3 Timer Definitions 4-40 6 Annex A A8-A9 (AN - PCF) Interface Change Text (Normative) . A-1 7 Annex B A1
46、0-A11 (AN/ePCF - PDSN) Interface Change Text (Normative) B-1 8 9 10 v TIA-1142-C Table of Figures 1 2 Figure 1.4-1 E-UTRAN - eHRPD IOS Architecture Reference Model (SC/MM in the eAN) 1-10 3 Figure 1.4-2 E-UTRAN - eHRPD IOS Architecture Reference Model (SC/MM in the ePCF)4 . 1-11 5 Figure 1.13.1-1 eH
47、RPD Packet Data Session State Transitions . 1-18 6 Figure 3.2.1.1.1-1 E-UTRAN to eHRPD Pre-Registration SC/MM at eAN Case . 3-3 7 Figure 3.2.1.1.2-1 E-UTRAN to eHRPD Pre-Registration SC/MM at ePCF Case . 3-5 8 Figure 3.2.2.1-1 E-UTRAN to eHRPD Optimized Handoff A8 Connected . 3-7 9 Figure 3.2.2.2-1
48、E-UTRAN to eHRPD Optimized Handoff A8 Disconnected 3-9 10 Figure 3.2.2.3-1 Active Handoff from E-UTRAN to eHRPD with Optimized Handover Between 11 eANs 3-12 12 Figure 3.2.3.1-1 Dormant non-optimized Handoff from E-UTRAN to eHRPD (Same 13 eAN/ePCF) 3-15 14 Figure 3.2.3.2-1 Dormant Non-optimized Hando
49、ff from E-UTRAN to eHRPD (Different 15 eAN/ePCF) 3-16 16 Figure 3.2.3.3-1 Dormant Non-optimized Handoff from E-UTRAN to eHRPD with Prior 17 Session Removal . 3-18 18 Figure 3.3.1-1 eHRPD to E-UTRAN Dormant Non-optimized Handoff . 3-20 19 Figure 3.3.2-1 Active Non-optimized Handoff from eHPRD to E-UTRAN 3-21 20 Figure 3.4.1-1 Re-authentication of an Idle eAT in eHRPD via S101 3-22 21 Figure 3.4.2.1-1 eAT or eAN Initiated Connection Release 3-23 22 Figure 3.4.2.2-1 ePCF Initiated Connection Release . 3-24 23 Figure 3.4.3.1-1 eAT or eAN Initiated eHRPD Sess
