1883:
1872:
650:
The major functions of the RRC protocol include connection establishment and release functions, broadcast of system information, radio bearer establishment, reconfiguration and release, RRC connection mobility procedures, paging notification and release and outer loop power control. By means of the
654:
The operation of the RRC is guided by a state machine which defines certain specific states that a UE may be present in. The different states in this state machine have different amounts of radio resources associated with them and these are the resources that the UE may use when it is present in a
689:
The transitions to lower energy consuming states occur when inactivity timers trigger. The T1 timer controls transition from DCH to FACH, the T2 timer controls transition from FACH to PCH, and the T3 timer controls transition from PCH to idle.
655:
given specific state. Since different amounts of resources are available at different states the quality of the service that the user experiences and the energy consumption of the UE are influenced by this state machine.
693:
Different operators have different configurations for the inactivity timers, which leads to differences in energy consumption. Another factor is that not all operators use the PCH states.
686:
Paging
Channel). The power consumption in the CELL_FACH is roughly 50 percent of that in CELL_DCH, and the PCH states use about 1-2 percent of the power consumption of the CELL_DCH state.
936:
651:
signalling functions the RRC configures the user and control planes according to the network status and allows for Radio
Resource Management strategies to be implemented.
1478:
1726:
1738:
1298:
663:
The configuration of RRC inactivity timers in a W-CDMA network has considerable impact on the battery life of a phone when a packet data connection is open.
1025:
1499:
666:
The RRC idle mode (no connection) has the lowest energy consumption. The states in the RRC connected mode, in order of decreasing power consumption, are
929:
1806:
495:
1255:
459:
1711:
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261:
256:
129:
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922:
598:
118:
788:
1721:
324:
108:
1410:
1059:
980:
309:
212:
742:"X.225 : Information technology – Open Systems Interconnection – Connection-oriented Session protocol: Protocol specification"
1422:
1005:
955:
510:
53:
1811:
1415:
985:
405:
1757:
833:
800:
745:
515:
43:
1750:
1733:
395:
390:
380:
246:
207:
103:
1250:
1196:
1171:
1054:
1045:
778:
3GPP TS 36.331 Evolved
Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification
385:
329:
217:
156:
860:
1211:
375:
73:
48:
425:
370:
93:
1206:
702:
525:
400:
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1462:
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1405:
1373:
975:
712:
171:
683:
1906:
1826:
1434:
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591:
530:
520:
445:
631:. It is a layer 3 (Network Layer) protocol used between UE and Base Station. This protocol is specified by
1851:
963:
251:
63:
1000:
1789:
1716:
1142:
420:
349:
88:
1794:
1779:
1769:
995:
990:
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415:
1846:
1784:
1774:
1764:
707:
176:
83:
909:
L. de
Bruynseels, “Tuning Inactivity Timer Settings in UMTS”, white paper, Commsquare Ltd., 2005
584:
144:
58:
1887:
829:
292:
68:
36:
25:
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1573:
1015:
945:
1745:
363:
239:
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1660:
966:
478:
1900:
1841:
628:
285:
190:
777:
766:
1816:
1563:
1547:
1180:
98:
741:
823:
1645:
1594:
1504:
1492:
550:
545:
540:
464:
435:
535:
430:
410:
197:
914:
570:
555:
339:
19:
897:
In
Proceedings of the 65th Semi-Annual IEEE Vehicular Technology Conference
1624:
1528:
1427:
1350:
1317:
1277:
1271:
643:
and in TS 38.331 for 5G New Radio. RRC messages are transported via the
1858:
1355:
1161:
1095:
1090:
1010:
789:
3GPP TS 38.331 NR; Radio
Resource Control (RRC); Protocol specification
271:
202:
123:
868:
Proceedings of the 10th ACM SIGCOMM conference on
Internet measurement
1567:
1438:
1338:
1080:
1020:
490:
485:
313:
113:
77:
767:
3GPP TS 25.331 Radio
Resource Control (RRC); Protocol specification
1655:
1640:
1603:
1590:
1509:
1487:
1293:
1085:
722:
505:
500:
334:
319:
222:
166:
161:
1821:
1519:
1333:
1201:
1128:
890:"Energy Consumption of Always-On Applications in WCDMA Networks"
808:, European Telecommunications Standards Institute, February 2015
717:
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616:
560:
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266:
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1241:
1216:
1137:
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1100:
565:
1619:
1542:
1388:
1312:
1230:
1114:
1035:
888:
Henry
Haverinen, Jonne Siren and Pasi Eronen (April 2007).
802:
UMTS RRC Protocol specification (version 12.4.0 Release 12)
624:
861:"Characterizing Radio Resource Allocation for 3G Networks"
1689:
1669:
1633:
1618:
1583:
1556:
1541:
1518:
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1170:
1151:
1123:
1113:
1068:
1044:
1034:
962:
883:
881:
879:
877:
870:. Melbourne, Australia: ACM. pp. 137–150.
930:
854:
852:
592:
8:
825:Radio Resource Management Strategies in UMTS
1630:
1553:
1395:
1323:
1237:
1120:
1041:
937:
923:
915:
828:. John Wiley & Sons Ltd. p. 103.
599:
585:
15:
817:
815:
733:
18:
1807:Multimedia Broadcast Multicast Service
7:
1765:Spectral efficiency comparison table
748:from the original on 1 February 2021
14:
1881:
1870:
956:List of mobile phone generations
1:
822:Pe´rez-Romero, Jordi (2005).
1877:Telecommunication portal
859:Qian, Feng (November 2010).
1923:
1374:CDMA2000 1xEV-DO Release 0
678:(Cell Paging Channel) and
674:(Forward Access Channel),
615:(RRC) protocol is used in
1867:
1256:EDGE/EGPRS - Evolved EDGE
1181:D-AMPS (IS-54 and IS-136)
953:
703:Radio Resource Management
713:Radio Network Controller
1712:Comparison of standards
1351:UTRA-TDD LCR / TD-SCDMA
1717:Channel access methods
1356:UTRA-TDD HCR / TD-CDMA
613:Radio Resource Control
1888:Telephones portal
996:MTA - MTB - MTC - MTD
670:(Dedicated Channel),
659:RRC inactivity timers
1505:iBurst (IEEE 802.20)
1278:CDMA2000 1X Advanced
639:, in TS 36.331 for
1391:(3.5G, 3.75G, 3.9G)
1233:(2.5G, 2.75G, 2.9G)
1001:Mobile TeleSeratout
708:Mobility management
1879:
1465:(TIA/EIA/IS-856-B)
1459:(TIA/EIA/IS-856-A)
1457:1xEV-DO Revision A
899:. Dublin, Ireland.
145:Presentation layer
1894:
1893:
1697:Cellular networks
1685:
1684:
1614:
1613:
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1536:
1383:
1382:
1339:UTRA-FDD / W-CDMA
1307:
1306:
1274:(TIA/EIA/IS-2000)
1225:
1224:
1109:
1108:
635:in TS 25.331 for
609:
608:
37:Application layer
1914:
1886:
1885:
1884:
1875:
1874:
1873:
1802:Mobile broadband
1702:Mobile telephony
1690:Related articles
1631:
1574:LTE Advanced Pro
1554:
1469:EV-DO Revision C
1463:EV-DO Revision B
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1238:
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967:radio telephones
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1770:Frequency bands
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1389:3G transitional
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1231:2G transitional
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1162:cdmaOne (IS-95)
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1907:3GPP standards
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1011:Autotel (PALM)
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561:ITU-T G.hn PHY
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496:ITU-T V-Series
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479:Physical layer
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441:ITU-T G.hn DLL
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1852:Wi-Fi Calling
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1812:NGMN Alliance
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1055:AMPS - N-AMPS
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629:Air interface
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1817:Push-to-talk
1595:IEEE 802.16m
1564:LTE Advanced
1548:IMT Advanced
1493:IEEE 802.16e
1488:Mobile WiMAX
1449:3GPP2 family
1376:(TIA/IS-856)
1367:3GPP2 family
1265:3GPP2 family
1244:/3GPP family
1060:TACS - ETACS
905:
896:
867:
839:. Retrieved
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1646:5G-Advanced
1634:3GPP family
1584:IEEE family
1576:(4.5G/4.9G)
1557:3GPP family
1399:3GPP family
1327:3GPP family
1272:CDMA2000 1X
1143:CSD - HSCSD
647:-Protocol.
551:IEEE 802.16
546:IEEE 802.15
541:IEEE 802.11
465:IEEE 802.11
436:Frame Relay
1500:Flash-OFDM
835:0470022779
729:References
536:IEEE 802.3
460:Q.922 LAPF
431:IEEE 802.3
411:IEEE 802.2
198:Named pipe
1600:WiMax 2.1
1455:CDMA2000
948:standards
672:CELL_FACH
571:Bluetooth
556:IEEE 1394
516:SONET/SDH
477:1.
362:2.
340:AppleTalk
284:3.
238:4.
189:5.
143:6.
35:7.
20:OSI model
1901:Category
1625:IMT-2020
1529:HiperMAN
1428:DC-HSDPA
1318:IMT-2000
841:10 April
752:10 March
746:Archived
697:See also
676:CELL_PCH
668:CELL_DCH
130:more....
1859:Osmocom
1707:History
1677:DECT-5G
1651:NR-IIoT
1096:DataTAC
1091:Mobitex
680:URA_PCH
627:on the
203:NetBIOS
124:NETCONF
1661:NB-IoT
1627:(2021)
1622:(2018)
1568:E-UTRA
1550:(2013)
1545:(2009)
1522:family
1481:family
1439:E-UTRA
1320:(2001)
1315:(1998)
1174:family
1155:family
1131:family
1117:(1991)
1048:family
1038:(1979)
1021:B-Netz
969:(1946)
832:
491:RS-449
486:RS-232
453:
314:ICMPv6
114:Telnet
78:HTTP/3
69:Gopher
1837:ViLTE
1832:VoLTE
1790:5G NR
1739:STDMA
1727:OFDMA
1670:Other
1656:LTE-M
1641:5G NR
1604:WiBro
1591:WiMAX
1510:WiBro
1423:HSPA+
1416:HSUPA
1411:HSDPA
1294:WiDEN
1287:Other
1190:Other
1153:3GPP2
1086:Hicap
1081:C-450
1069:Other
986:Altai
893:(PDF)
864:(PDF)
806:(PDF)
723:WCDMA
506:I.431
501:I.430
391:CSLIP
335:IS-IS
320:IPsec
227:X.225
223:SOCKS
167:ASCII
162:ASN.1
26:layer
1847:ViNR
1842:VoNR
1822:MIMO
1795:CDMA
1780:UMTS
1758:SDMA
1751:CDMA
1746:SSMA
1734:TDMA
1722:FDMA
1520:ETSI
1479:IEEE
1406:HSPA
1344:FOMA
1334:UMTS
1299:DECT
1251:GPRS
1202:iDEN
1197:CDPD
1172:AMPS
1129:3GPP
1046:AMPS
1006:AMTS
981:IMTS
843:2015
830:ISBN
754:2023
718:UMTS
645:PDCP
637:UMTS
633:3GPP
623:and
617:UMTS
611:The
455:LAPB
451:X.25
426:L2TP
406:PLIP
396:SLIP
386:HDLC
381:SDLC
345:X.25
325:IGMP
310:ICMP
303:IPv6
298:IPv4
267:QUIC
262:DCCP
257:SCTP
213:PPTP
152:MIME
119:DHCP
109:SNMP
104:SMTP
94:SMPP
74:HTTP
44:NNTP
1827:IMS
1785:LTE
1775:GSM
1435:LTE
1242:GSM
1217:CT2
1212:PHS
1207:PDC
1138:GSM
1125:GSM
1101:CT1
1076:NMT
1026:AMR
1016:ARP
991:OLT
976:MTS
684:URA
641:LTE
621:LTE
566:USB
531:DSL
526:OTN
521:PON
511:PDH
446:PPP
421:MAC
416:LLC
401:GFP
376:ARP
371:ATM
350:PLP
330:IPX
272:SPX
252:UDP
247:TCP
218:RTP
208:SAP
177:PGP
172:TLS
157:XDR
99:SSH
89:NTP
84:NFS
64:FTP
59:DNS
54:SSI
49:SIP
24:by
1903::
1620:5G
1597:)
1543:4G
1313:3G
1115:2G
1036:1G
964:0G
895:.
876:^
866:.
851:^
814:^
744:.
625:5G
619:,
293:IP
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