Page 536 - From GMS to LTE

522 Index

TCAP protocol see Transaction Capability TrFO see Transcoding Free Operation
Application Part protocol TTI see Transmission Time Interval
TCH see Traffic channel Tunnel Endpoint Identity (TEID) 259
TCP see Transmission Control Protocol Tunnel identifier (TID) 107–108
TDD see Time Division Duplex
TD‐LTE interface see Time Division u
Long‐Term Evolution interface U‐APSD see Unscheduled‐Automated
TDMA see Time Division Multiple Access Power Save Delivery
TEID see Tunnel Endpoint Identity UART see Universal asynchronous receiver
Temporary block flows (TBF) 94 and transmitter
Temporary Mobile Subscriber Identity UDP see User Datagram Protocol
(TMSI) 32 UL DPCCH see Uplink Dedicated Control
TFCI see Traffic Format Combination ID Channel
TFCS see Transport Format Combination Set UM DRB see Unacknowledged Mode Data
TFI see Traffic Format Identifier Radio Bearer
TFS see Transport Format Set UMTS see Universal Mobile
TID see Tunnel identifier Telecommunications System
TIM see Traffic Indication Map UMTS Terrestrial Radio Access Network
Time Division Duplex (TDD) 212 (UTRAN) 146
Time Division Long‐Term Evolution Unacknowledged Mode Data Radio Bearer
(TD‐LTE) interface 247 (UM DRB) 346
Time Division Multiple Access (TDMA) 27 Universal asynchronous receiver and
Timeslot aggregation 75 transmitter (UART) 469
Timing advance 32 Universally unique identity (UUID) 473, 503
Timing advance control 32 Universal Mobile Telecommunications
TMSI see Temporary Mobile Subscriber System (UMTS) 111–207
Identity Unscheduled‐Automated Power Save
TPC see Transmit Power Control Delivery (U‐APSD) 448
Traffic channel (TCH) 33–37 Unstructured Supplementary Service Data
Traffic Format Combination ID (TFCI) 190 (USSD) 19
Traffic Format Identifier (TFI) 94 Uplink Dedicated Control Channel 196
Traffic Indication Map (TIM) 405 Uplink scheduling 251, 253
Transaction Capability Application Part URA‐PCH state 199
(TCAP) protocol 9 User Datagram Protocol (UDP) 9, 220
Transcoding and Rate Adaptation Unit User plane 133
(TRAU) 39 User plane management 91
Transcoding Free Operation (TrFO) 153 USSD see Unstructured Supplementary
Transmission Control Protocol (TCP) 8, Service Data
95, 143, 220, 486 UTRAN see UMTS Terrestrial Radio
Transmission Time Interval (TTI) 142, Access Network
183, 196 UUID see Universally unique identity
Transmit Power Control (TPC) 197 Uu interface 141
Transport Format Combination Set
(TFCS) 192 v
Transport Format Set (TFS) 144 VAD algorithm see Voice activity detection
TRAU see Transcoding and Rate algorithm
Adaptation Unit VBS see Voice Broadcast Service