Reproduced By GLOBAL ENGINEERING DOCUMENTS With The Permission Of EIA Under Royalty Agreement. BEST COPY AVAILABLE TIA/EIA STANDARD ================ AMERICAN NATIONAL STANDARD ANSI/TIA/EIA-627-1996 Approved: June 7, 1996 800 MHz Cellular System, TDMA Radio Interface, Dual-Mode Mobile Station - Base Station Compatibility Standard TIA/EIA-627 JUNE 1996 TELECOMMUNICATIONS INDUSTRY ASSOCIATION PLEASE! DON'T VIOLATE THE LAW! This document is copyrighted by the TIA and may not be reproduced without permission. Organizations may obtain permission to reproduce a limited number of copies through entering into a license agreement. TIA/EIA 627 CONTENTS 1. GENERAL .............................................................. 1 1.1 Definitions...................................................... 1 1.2 Digital Traffic Channel Structure................................ 7 1.2.1 Frame Length................................................ 8 1.2.1.1 Standard Offset Reference............................. 9 1.2.2 Gross Rate for the Traffic Channel......................... 10 1.2.3 Guard and Power Ramp Up Interval........................... 10 1.2.4 Synchronization Word/Time Slot Identifier.................. 10 1.2.5 Coded Digital Verification Color Code (CDVCC).............. 11 1.3 Timing Tolerances............................................... 12 2. MOBILE STATION....................................................... 12 2.1 Transmitter..................................................... 12 2.1.1 Frequency Parameters....................................... 12 2.1.1.1 Channel Spacing and Designation...................... 12 2.1.1.2 Frequency Tolerance.................................. 13 2.1.1.2.1 Frequency Tolerance for Analog Mode Operation.. 13 2.1.1.2.2 Frequency Tolerance for Digital Mode Operation. 13 2.1.2 Power Output Characteristics............................... 14 2.1.2.1 Carrier On/Off Conditions............................ 14 2.1.2.1.1 Constant Envelope Conditions................... 14 2.1.2.1.2 Pi/4-Shifted DQPSK Conditions.................. 14 2.1.2.2 Power Output and Power Control....................... 14 2.1.3 Modulation Characteristics................................. 15 2.1.3.1 Analog Voice Signals................................. 15 2.1.3.1.1 Compressor..................................... 16 2.1.3.1.2 Pre-Emphasis................................... 16 2.1.3.1.3 Deviation Limiter.............................. 16 2.1.3.1.4 Post Deviation-Limiter Filter.................. 16 2.1.3.2 Wideband Analog Data Signals......................... 16 2.1.3.2.1 Encoding....................................... 16 2.1.3.2.2 Modulation and Polarity........................ 16 2.1.3.3 Digital Voice and Data Signals....................... 16 2.1.3.3.1 Modulation..................................... 16 2.1.3.3.1.1 (Intentionally Left Blank)............... 19 2.1.3.3.1.2 Modulation Accuracy...................... 19 TIA/EIA 627 2.1.3.3.2 Speech Coding (Full Rate)...................... 21 2.1.3.3.2.1 Definitions and Basic Coder Parameters... 21 2.1.3.3.2.2 Audio Interface.......................... 23 2.1.3.3.2.3 Pre-Processing........................... 24 2.1.3.3.2.4 Short-Term Predictor Coefficients........ 24 2.1.3.3.2.5 Frame Energy............................. 30 2.1.3.3.2.6 Subframe Processing...................... 31 2.1.3.3.3 Channel Coding................................. 55 2.1.3.3.3.1 Definition of Terms, Nomenclature, and Assumptions... 55 2.1.3.3.3.2 Speech Data Classes...................... 56 2.1.3.3.3.3 Cyclic Redundancy Check (CRC)............ 58 2.1.3.3.3.4 Convolutional Encoding................... 59 2.1.3.3.4 Interleaving................................... 61 2.1.3.3.5 Time Alignment................................. 64 2.1.3.3.5.1 Time Alignment Process................... 64 2.1.3.3.5.2 Shortened Burst Transmission............. 64 2.1.3.3.6 Synchronization and Timing..................... 65 2.1.4 Limitations on Emissions................................... 65 2.1.4.1 Bandwidth Occupied................................... 65 2.1.4.1.1 Analog Transmitters............................ 65 2.1.4.1.2 Digital Transmitters........................... 66 2.1.4.2 Conducted Spurious Emissions......................... 66 2.1.4.3 Radiated Spurious Emissions.......................... 66 2.2 Receiver........................................................ 66 2.2.1 Frequency Parameters....................................... 66 2.2.1.1 Channel Spacing and Designation...................... 66 2.2.2 Demodulation Characteristics............................... 66 2.2.2.1 Analog Voice Signals................................. 66 2.2.2.1.1 De-Emphasis.................................... 66 2.2.2.1.2 Expandor....................................... 67 2.2.2.2 Digital Voice and Data Signals....................... 67 2.2.2.2.1 Demodulation................................... 67 2.2.2.2.2 De-Interleaving................................ 67 2.2.2.2.3 Convolutional Decoding......................... 67 2.2.2.2.3.1 Cyclic Redundancy Check (CRC)............ 67 2.2.2.2.3.2 Bad Frame Masking........................ 68 2.2.2.2.4 Speech Decoding................................ 68 TIA/EIA 627 2.2.2.2.4.1 Definitions and Basic Definitions and Basic Decoder Parameters................. 69 2.2.2.2.4.2 Short Term Predictor Coefficients........ 69 2.2.2.2.4.3 Frame Energy............................. 69 2.2.2.2.4.4 Subframe Processing...................... 70 2.2.2.2.4.5 Audio Interface.......................... 72 2.2.2.2.5 Delay Interval Requirements.................... 73 2.2.3 Limitations on Emissions................................... 73 2.2.3.1 Conducted Spurious Emissions......................... 73 2.2.3.1.1 Suppression Inside Cellular Band............... 73 2.2.3.1.2 Suppression Outside Cellular Band.............. 73 2.2.3.2 Radiated Spurious Emissions.......................... 73 2.2.4 Other Receiver Parameters.................................. 73 2.3 Security and Identification..................................... 74 2.3.1 Mobile Identification Number............................... 74 2.3.2 Electronic Serial Number (ESN)............................. 75 2.3.3 Station Class Mark......................................... 76 2.3.4 Registration Memory........................................ 76 2.3.4.1 Autonomous Registration Memory....................... 76 2.3.4.2 Location Area Memory................................. 76 2.3.5 Access Overload Class...................................... 76 2.3.6 Extended Address Method.................................... 77 2.3.7 First Paging Channel....................................... 77 2.3.8 Home System Identification................................. 77 2.3.9 Local Control Option....................................... 77 2.3.10 Preferred-System Selection................................. 77 2.3.11 Discontinuous Transmission................................. 77 2.3.11.1 Discontinuous Transmission on an Analog Voice Channel..... 77 2.3.11.2 Discontinuous Transmission on a Digital Traffic Channel..... 78 2.3.12 Authentication, Encryption of Signaling Information/ User Data and Voice Privacy............................... 78 2.3.12.1 Authentication...................................... 78 2.3.12.1.1 Shared Secret Data (SSD)...................... 78 2.3.12.2 Random Challenge Memory (RAND)...................... 79 2.3.12.3 Call History Parameter (COUNTs-p)................... 79 2.3.12.3.1 Authentication of Mobile Station Registrations 79 2.3.12.3.2 Unique Challenge-Response Procedure........... 80 2.3.12.3.3 Authentication of Mobile Station Originations. 81 2.3.12.3.4 Authentication of Mobile Station Terminations. 82 TIA/EIA 627 2.3.12.3.5 Updating the Shared Secret Data (SSD)......... 83 2.3.12.3.6 Cellular Authentication and Voice Encryption Algorithm..................................... 88 2.3.12.4 Signaling Message Encryption........................ 88 2.3.12.4.1 Signaling Message Encryption Control.......... 88 2.3.12.5 Voice Privacy....................................... 89 2.3.12.5.1 Voice Privacy Control......................... 89 2.3.12.5.1.1 Voice Privacy Control During Call Establishment........................... 89 2.3.12.5.1.2 Voice Privacy Control After Initial Channel Assignment...................... 89 2.3.12.5.2 Cipher Placement.............................. 90 2.3.12.5.3 Voice Privacy Algorithm....................... 90 2.4 Supervision..................................................... 91 2.4.1 Supervisory Audio Tone..................................... 91 2.4.1.1 SAT Detection........................................ 91 2.4.1.2 SAT Transmission..................................... 91 2.4.1.3 Fade Timing Status................................... 92 2.4.2 Signaling Tone............................................. 92 2.4.3 Digital Verification Color Code............................ 92 2.4.3.1 Digital Verification Color Code, DVCC, Detection..... 92 2.4.3.2 DVCC Transmission.................................... 92 2.4.3.3 Fade Timing Status................................... 92 2.4.4 Supervision................................................ 92 2.4.4.1 Fast Associated Control Channel (FACCH).............. 92 2.4.4.2 Slow Associated Control Channel (SACCH).............. 93 2.4.5 Mobile Assisted Handoff.................................... 93 2.4.5.1 Mobile General Operational Description............... 93 2.4.5.2 Mobile Assisted Handoff Messages..................... 93 2.4.5.2.1 Procedures to Start Channel Quality Measurements and Reporting..................... 93 2.4.5.2.2 Procedures to Stop Channel Quality Measurements and Reporting..................... 93 2.4.5.2.3 Reporting of Measurement Results............... 94 2.4.5.2.4 Measurement Status After Handoff............... 94 2.4.5.3 MAHO Operations With DTX Operation................... 94 2.4.5.4 Mobile Measurement Procedures........................ 94 2.4.5.4.1 Current Traffic Channel........................ 94 2.4.5.4.1.1 Bit Error Rate (BER)..................... 94 2.4.5.4.1.2 Signal Strength.......................... 95 2.4.5.4.2 Measurement Procedures for R.F. Channels Other Than the Current Channel................. 97 TIA/EIA 627 2.4.5.4.3 Reporting Interval Determination............... 97 2.5 Malfunction Detection........................................... 98 2.5.1 Malfunction Timer.......................................... 98 2.5.2 False Transmission......................................... 98 2.6 Call Proccssing..................................................98 2.6.1 Initialization............................................. 98 2.6.1.1 Retrieve System Parameters........................... 98 2.6.1.1.1 Scan Primary Set of Dedicated Control Channels. 98 2.6.1.1.2 Update Digital Overhead Information............ 99 2.6.1.2 Primary Paging Channel Selection..................... 99 2.6.1.2.1 Scan Paging Channels........................... 99 2.6.1.3 Scan Secondary Set of Dedicated Control Channels.... 100 2.6.1.3.1 Update Secondary Control Channels............. 100 2.6.1.4 Secondary Paging Channel Selection.................. 101 2.6.1.4.1 Scan Paging Channels.......................... 101 2.6.1.5 Verify Overhead Information......................... 101 2.6.2 Idle...................................................... 102 2.6.2.1 Response to Overhead Information.................... 102 2.6.2.2 Page Match.......................................... 104 2.6.2.3 Order............................................... 105 2.6.2.4 Call Initiation..................................... 105 2.6.2.5 Power Down.......................................... 105 2.6.3 System Access............................................. 105 2.6.3.1 Set Access Parameters............................... 105 2.6.3.2 Scan Access Channels................................ 106 2.6.3.3 Retrieve Access Attempt Parameters.................. 106 2.6.3.4 Update Overhead Information......................... 106 2.6.3.5 Seize Reverse Control Channel....................... 107 2.6.3.6 Delay After Failure................................. 108 2.6.3.7 Service Request..................................... 109 2.6.3.8 Await Message....................................... 110 2.6.3.9 Await Registration Confirmation..................... 111 2.6.3.10 Action on Registration Failure...................... 112 2.6.3.11 Autonomous Registration Update...................... 112 2.6.3.12 Serving-System Determination........................ 112 2.6.3.13 Alternate Access Channel............................ 112 2.6.3.14 Directed Retry...................................... 112 2.6.4 Mobile Station Control on the Analog Voice Channel........ 112 TIA/EIA 627 2.6.4.1 Loss of Radio-Link Continuity....................... 112 2.6.4.2 Confirm Initial Voice Channel....................... 113 2.6.4.3 Alerting............................................ 113 2.6.4.3.1 Waiting for Order............................. 113 2.6.4.3.2 Waiting for Answer............................ 115 2.6.4.4 Conversation........................................ 116 2.6.4.5 Release............................................. ll9 2.6.4.6 Power Down.......................................... 119 2.6.5 Mobile Station Control on the Digital Traffic Channel..... 119 2.6.5.1 Loss of Radio-Link Continuity....................... 119 2.6.5.2 Confirm Initial Traffic Channel..................... 119 2.6.5.3 Alerting............................................ l20 2.6.5.3.1 Waiting for Order............................. 120 2.6.5.3.2 Waiting for Answer............................ 123 2.6.5.4 Conversation........................................ 125 2.6.5.5 Release............................................. l28 2.6.5.6 General Rules for Message Exchange on Digital Traffic Channel..................................... 129 2.6.5.6.1 Transmission of Messages...................... 129 2.6.5.6.2 Acknowledgement of Received Messages.......... 129 2.6.5.6.3 Encoding Messages into Words.................. 129 2.6.5.6.4 Decoding Words into Messages.................. 130 2.6.5.6.5 Encoding and Decoding of Information Elements. 130 2.6.5.7 Power Down.......................................... 130 2.7 Signaling Formats.............................................. 130 2.7.1 Reverse Analog Control Channel (RECC)..................... 130 2.7.1.1 Reverse Analog Control Channel (RECC) Messages...... 131 2.7.2 Reverse Analog Voice Channel (RVC)........................ 138 2.7.2.1 Reverse Analog Voice Channel (RVC) Messages......... 139 2.7.3 Reverse Digital Traffic Channel (RDTC).................... 143 2.7.3.1 Protocol Structure for the Traffic Channel.......... 143 2.7.3.1.1 Fast Associated Control Channel (FACCH)....... 143 2.7.3.1.1.1 Data Stream Format (FACCH).............. 143 2.7.3.1.1.2 Interleaving............................ 143 2.7.3.1.1.3 Error Detection and DVCC Identifier..... 145 2.7.3.1.1.4 Convolutional Coding.................... 146 2.7.3.1.1.5 Word Format............................. 147 2.7.3.1.2 Slow Associated Control Channel (SACCH)....... 147 2.7.3.1.2.1 Interleaving............................ 148 TIA/EIA 627 2.7.3.1.2.2 Forward Error Correction................ 148 2.7.3.1.2.3 Word Synchronization.................... 148 2.7.3.1.2.4 Word Format............................. 148 2.7.3.1.3 Messages...................................... 149 2.7.3.1.3.1 Message Structure....................... 149 2.7.3.1.3.2 Message Functional Definition........... 151 2.7.3.1.3.3 Information Element Description......... 160 2.7.3.2 Protocol Structure For Enhanced Services............ 174 3. BASE STATION........................................................ 174 3.1 Transmitter.................................................... 174 3.1.1 Frequency Parameters...................................... 174 3.1.1.1 Channel Spacing and Designation..................... 174 3.1.1.2 Frequency Tolerance................................. 175 3.1.1.2.1 Frequency Tolerance for Analog Mode Operation. 175 3.1.1.2.2 Frequency Tolerance for Digital Mode Operation 175 3.1.2 Power Output Characteristics.............................. 175 3.1.3 Modulation Characteristics................................ 175 3.1.3.1 Analog Voice Signals................................ 175 3.1.3.1.1 Compressor.................................... 175 3.1.3.1.2 Pre-emphasis.................................. 175 3.1.3.1.3 Deviation Limiter............................. 175 3.1.3.1.4 Post Deviation-Limiter Filter................. 176 3.1.3.2 Wideband Analog Data Signals........................ 176 3.1.3.2.1 Encoding...................................... 176 3.1.3.2.2 Modulation and Polarity....................... 176 3.1.3.3 Digital Voice and Data Signals..................... 176 3.1.3.3.1 Modulation.................................... 176 3.1.3.3.2 Speech Coding................................. 176 3.1.3.3.2.1 Audio Interface......................... 176 3.1.3.3.3 Channel Coding................................ 177 3.1.3.3.4 Interleaving.................................. 177 3.1.3.3.5 Time Alignment................................ 177 3.1.3.3.6 Synchronization and Timing.................... 177 3.1.4 Limitations on Emissions.................................. 177 3.1.4.1 Bandwidth Occupied.................................. 177 3.1.4.1.1 Analog Transmitter............................ 177 3.1.4.1.2 Digital Transmitter........................... 177 3.1.4.2 Conducted Spurious Emissions........................ 177 TIA/EIA 627 3.1.4.3 Radiated Spurious Emissions......................... 178 3.1.4.4 Intermodulation..................................... 178 3.2 Reccivcr....................................................... l78 3.2.1 Frequency Parameters...................................... 178 3.2.1.1 Channel Spacing and Dcsignation..................... l78 3.2.2 Demodulation Characteristics.............................. 178 3.2.2.1 Analog Voice Signals................................ 178 3.2.2.1.1 De-emphasis................................... 178 3.2.2.1.2 Expandor...................................... 178 3.2.2.2 Digital Voice and Data Signals...................... 179 3.2.2.2.1 Demodulation.................................. 179 3.2.2.2.2 De-interleaving............................... 179 3.2.2.2.3 Convolutional Decoding........................ 179 3.2.2.2.4 Speech Decoding............................... 179 3.2.2.2.4.1 Audio Interface......................... 179 3.2.2.2.5 Delay Interval Requirements................... 179 3.2.3 Limitations on Emissions.................................. 179 3.2.4 Other Receiver Parameters................................. 179 3.3 Security and Identification.................................... 180 3.3.1 Authentication............................................ 180 3.4 Supervision.................................................... 180 3.4.1 Supervisory Audio Tone.................................... 180 3.4.1.1 SAT Detection (reserved)............................ 180 3.4.1.2 SAT Transmission.................................... 180 3.4.1.3 Fade Timing Status.................................. 180 3.4.2 Signaling Tone Detection.................................. 180 3.4.3 Digital Verification Color Code........................... 180 3.4.4 Time Slot Identifier...................................... 180 3.4.5 Supervisory Channel....................................... 180 3.4.6 Mobile Assisted Handoff................................... 181 3.4.6.1 Base Station General Operational Description........ 181 3.4.6.2 Mobile Assisted Handoff Message Sets................ 181 3.4.6.2.1 Procedures to Start Channel Quality Measurements.................................. 181 3.4.6.2.2 Procedures to Stop Channel Quality Measurements.................................. 181 3.4.6.2.3 Reporting of Measurement Results.............. 181 3.4.6.2.4 Measurement Status After Handoff.............. 181 3.4.6.3 MAHO Operations With DTX Operation.................. 182 3.5 Malfunction Detection.......................................... 182 TIA/EIA 627 3.6 Call Processing................................................ 182 3.6.1 Overhead Functions for Mobile Station Initiation.......... 182 3.6.2 Mobile Station Control on the Control Channel............. 182 3.6.2.1 Overhead Information................................ 182 3.6.2.2 Page................................................ 183 3.6.2.3 Order............................................... 183 3.6.2.4 Local Control....................................... 184 3.6.3 Base Station Support of System Access by Mobile Stations.. 184 3.6.3.1 Overhead Information................................ 184 3.6.3.2 Reverse Control Channel Seizure by Mobile Stations.. 185 3.6.3.3 Response to Mobile Station Messages................. 185 3.6.4 Mobile Station Control on Voice Channel................... 186 3.6.4.1 Loss of Radio-Link Continuity....................... 186 3.6.4.2 Initial Voice Channel Confirmation.................. 186 3.6.4.3 Alerting............................................ 186 3.6.4.3.1 Waiting for Order............................. 186 3.6.4.3.2 Waiting for Answer............................ 187 3.6.4.4 Conversation........................................ 188 3.6.5 Mobile Station Control on the Digital Traffic Channel..... 190 3.6.5.1 Loss Of Radio Link Continuity....................... 190 3.6.5.2 Confirm Initial Traffic Channel..................... 190 3.6.5.3 Alerting............................................ 190 3.6.5.3.1 Waiting For Order............................. 190 3.6.5.3.2 Waiting For Answer............................ 191 3.6.5.4 Conversation........................................ 192 3.6.5.5 General Rules for Message Exchange on Digital Traffic Channel..................................... 194 3.6.5.5.1 Encoding of Information Elements.............. 194 3.7 Signaling Formats.............................................. 194 3.7.1 Forward Analog Control Channel............................ 194 3.7.1.1 Mobile Station Control Message...................... 195 3.7.1.2 Overhead Message.................................... 204 3.7.1.2.1 System Parameter Overhead Message............. 205 3.7.1.2.2 Global Action Overhead Message................ 207 3.7.1.2.3 Registration ID Message....................... 212 3.7.1.2.4 Control-Filler Message........................ 213 3.7.1.3 Data Restrictions................................... 214 3.7.2 Forward Analog Voice Channel.............................. 216 3.7.2.1 Mobile Station Control Message...................... 218 TIA/EIA 627 3.7.2.2 Calling Number Identification (CNI)................. 223 3.7.3 Forward Digital Traffic Channel (FDTC).................... 224 3.7.3.1 Protocol Structure for the Traffic Channel.......... 224 3.7.3.1.1 Fast Associated Control Channel (FACCH)....... 224 3.7.3.1.2 Slow Associated Control Channel (SACCH)....... 224 3.7.3.1.3 Messages...................................... 224 3.7.3.1.3.1 Message Structure....................... 224 3.7.3.1.3.2 Message Functional Definition........... 224 3.7.3.1.3.3 Information Element Description......... 233 3.7.3.2 Protocol Structure for Enhanced Services............ 233 4. REQUIREMENTS FOR MOBILE STATION OPTIONS............................. 233 4.1 32-Digit Dialing............................................... 234 4.1.1 Service Request - Requirement for 32-Digit Dialing Option. 234 4.1.2 Signaling Formats - Requirements for 32-Digit Dialing Option ................................................... 235 4.1.2.1 Reverse Analog Control Channel (RECC) - Requirement for 32-Digit Dialing Option......................... 235 4.1.2.2 RECC Messages....................................... 236 4.1.3 Reverse Analog Voice Channel - Requirement for 32-Digit Dialing Option............................................ 241 4.1.3.1 RVC Messages........................................ 242 4.2 Mobile Station Extended Protocol (See also 5.2)................ 247 4.2.1 RECC Extended Protocol Messages........................... 247 4.2.2 RVC Extended Protocol Messages............................ 250 5. REQUIREMENTS FOR BASE STATION OPTIONS............................... 250 5.1 32-Digit Dialing............................................... 250 5.2 Base Station Extended Protocol (See also 4.2).................. 250 5.2.1 Extended Protocol Mobile Station Control Message.......... 251 5.2.2 Extended Protocol Overhead Message........................ 252 5.2.3 FVC Extended Protocol Message............................. 252 6. CHANGE HISTORY...................................................... 254 6.1 Chronology Of Revisions For IS-54-A............................ 254 6.2 Chronology Of Revisions For IS-54-B............................ 256 6.3 Chronology Of Revisions For TIA/EIA 627........................ 257 7. RELATED DOCUMENTS................................................... 258 END of TIA/EIA 627