Synchronization in the Mobile standards WSTS – 2013, San Jose Stefano Ruffini, Ericsson Slide title 44 pt Mobile Applications and Synchronization › The needs of mobile networks are driving most of Text and bullet level 1 the current synchronization related efforts in the minimum 24 pt Bullets level 2-5 standards minimum 20 pt › 3GPP is the main body for mobile applications –Increased interaction with ITU-T Q13/15 Characters for Embedded font: !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö › New services and architectures may lead to new ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ sync requirements ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ – CoMP (Coordinated Multiple Point transmission and ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ reception) – Heterogeneous networks/Small Cells – Etc. Do not add objects or text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 2 Slide title Evolution of mobile 44 pt technologies GSM Track (3GPP) GSM WCDMA HSPA TD-SCDMA Text and bullet level 1 LTE FDD and TDD minimum 24 pt CDMA Track (3GPP2) Bullets level 2-5 CDMA One EVDO Rev A minimum 20 pt 2001 2005 2008 2010 2011 Characters for Embedded font: !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ Mobile subscriptions ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl by technology ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ Do not add objects or Source Ericsson, Traffic and Market Report, http://www.ericsson.com/traffic-market-report text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 3 Slide title 44 pt Internal structure of 3GPP Project Co-ordination Group Text and bullet level 1 minimum 24 pt Bullets level 2-5 minimum 20 pt Characters for Embedded font: !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ Developing Technical Specifications and Reports with sync related contents Do not add objects or text in the footer area Source: www.3gpp.org Public | © Ericsson AB 2013 | 2013-04-14 | Page 4 Slide title 44 pt The need for Sync (In the Radio Access Network) › Frequency Synchronization – 3GPP specifies frequency stability on 50 ppb on the air Text and bullet level 1 minimum 24 pt interface – Minimize disturbance on air interface and secure handover Bullets level 2-5 minimum 20 pt between RBSs – Fulfill tough regulatory requirements connected to the FDD - Frequency Division Duplex frequency license Characters for Embedded font: !"#$%&'()*+,- › Phase (Time) Synchronization: ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö – Additional air interface requirements for phase (and time) ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— synchronization ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl – Synchronize transmission from different base stations to ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ prevent interference in TDD mode, optimize bandwidth ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ usage and enhance network capacity – Support billing and alarm functions (less stringent TDD – Time Division Duplex requirements) Do not add objects or Bad synchronization will lead to poor (or no) performance in the RAN text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 5 Slide title Synchronization Requirements 44 pt Relevant Specifications Technologies Document Notes Text and bullet level 1 CDMA2000 3GPP2 C.S0002-E System Clock requirements minimum 24 pt 3GPP2 C.S0010-C Bullets level 2-5 TS 25.402, TS 25.411 General, Network Interfaces minimum 20 pt W-CDMA TS 25.104 ,TS 25.105 RF Characteristics TS 25.427, TS 25.435, TS 25.415 Node Synchronisation Characters for Embedded font: TS 25.346 MBSFN !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö TR 25.866 Home NodeB TDD Mode ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ TD-SCDMA TS 25.123 NodeB (TDD Mode) ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ LTE & LTE-A TS 36.300 , TS 36.401, TS 36.211 General, Network Interfaces αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ TS 36.104 RF Characteristics ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ TS 36.133 TDD mode (Phase sync) TR 36.922 Home Base Station TR 36.814 Future applications (new Req.?) Do not add objects or text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 6 Slide title WCDMA Base Station TX 44 pt Frequency Error TS 25.104/5: “Base Station (BS) radio transmission and reception (FDD/TDD)” Text and bullet level 1 . The Base Station shall use the same frequency source for both RF minimum 24 pt frequency Generation and the chip clock . Bullets level 2-5 minimum 20 pt . The modulated carrier frequency is observed over a period of one timeslot for RF frequency generation Characters for Embedded font: !"#$%&'()*+,- Y < 0.05-0.25 ppm ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ BS class Accuracy ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Wide Area BS ±0.05 ppm Ỳỳ–— ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl Medium Range BS ±0.1 ppm ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ NodeB αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ Local Area BS ±0.1 ppm ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ ± Home BS 0.25 ppm The requirement applies to the radio interface Do not add objects or text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 7 Slide title 44 pt Base Station Tolerance TS 25.411: “UTRAN Iu Interface Layer 1” › The synchronisation reference extracted from the Iu may be used as UTRAN synchronisation reference. Text and bullet level 1 minimum 24 pt › The jitter and wander on the interface in accordance with network limits for Bullets level 2-5 output wander at traffic interfaces of ITU-T Rec. G.823 or G.824 minimum 20 pt › General recommendation is to supply a traceable synchronisation reference according to reference ITU-T Rec. G.811 – In principle (and in any case during loss of traceability from PRC), lower Characters for Embedded font: !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV accuracy is sufficient (e.g. 16 ppb, as per Stratum 2). WXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡ ¢£¤¥¦§¨©ª«¬®¯°±²³´¶·¸¹º»¼½ÀÁÂÃÄÅÆÇÈËÌÍÎÏÐÑÒ ÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö ÷øùúûüýþÿĀāĂăąĆćĊċČĎďĐđĒĖėĘęĚěĞğĠġĢģ ĪīĮįİıĶķĹĺĻļĽľŁłŃńŅņŇňŌŐőŒœŔŕŖŗŘřŚśŞşŠšŢ – ITU-T has recently defined an MTIE mask that is applicable to packet timing ţŤťŪūŮůŰűŲųŴŵŶŷŸŹźŻżŽžƒȘșˆˇ˘˙˚˛˜˝ẀẁẃẄẅ Ỳỳ–— MTIE ‘’‚“”„†‡•…‰‹›⁄€™ĀĀĂĂĄĄĆĆĊĊČČĎĎĐĐĒĒĖĖĘĘĚĚĞĞ (G.8261.1) ĠĠĢĢĪĪĮĮİĶĶĹĹĻĻĽĽŃŃŅŅŇŇŌŌŐŐŔŔŖŖŘŘŚŚŞŞŢŢŤ From G.8261.1 ŤŪŪŮŮŰŰŲŲŴŴŶŶŹŹŻŻȘș−≤≥fifl ΆΈΉΊΌΎΏΐΑΒΓΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΪΫΆΈΉΊΰ TDM αβγδεζηθικλνξορςΣΤΥΦΧΨΩΪΫΌΎΏ 16ppb ЁЂЃЄЅІЇЈЉЊЋЌЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХ ЦЧШЩЪЫЬЭЮЯАБВГДЕЖЗИЙКЛМНОПРСТУФХЦ ЧШЩЪЫЬЭЮЯЁЂЃЄЅІЇЈЉЊЋЌЎЏѢѢѲѲѴѴҐҐәǽẀ ẁẂẃẄẅỲỳ№ NodeB 18 µs Network Limits 9 µs Do not add objects or text in the footer area Public | © Ericsson AB 2013 | 2013-04-14 | Page 8 0.05 0.2 32 64 1125 Observation interval τ (s) Slide title LTE General Network 44 pt Synchronization aspects TS 36.401; “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description” Text and bullet level 1 minimum 24 pt › The eNB shall support a logical synchronization port for phase, Bullets level 2-5 minimum 20 pt time and frequency synchronization as required Logical Sync Port 3GPP Sync Requirements Characters for Embedded font: !"#$%&'()*+,- ./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUV