LTE-1x/1xEV-DO Terms Comparison 2/2009
1. Common/General Terms UE User Equipment Access Terminal (AT) or MS enode B Evolved Node B Base station (BTS) Downlink (DL) Transmissions from the network to the mobile Forward Link (FL) Uplink (UL) Transmissions from the mobile to the network Reverse Link (RL) Handover Redirection of traffic from one base station (sector) to another Handoff 2. Identifiers IMEI International Mobile Equipment Identity Electronic Serial Number (ESN) or Mobile Equipment Identity (MEID) MS-ISDN Phone number of a subscriber Mobile Identification Number (MIN) or Mobile Directory Number (MDN) PLMN Network identifier, MCC+MNC SID/NID pair IMSI International Mobile Subscriber Identity IMSI (could be made up of MCC+MNC+MIN) SIM Subscriber Identity Module R-UIM (not commonly used) 1
3. Radio Network & Air Interface Terms eutran Evolved Universal Terrestrial Radio Access Network AN Physical Layer Cell ID Unique cell identifier Pilot PN Offset C-RNTI Cell Radio Network Temporary Identifier MAC Index OFDMA Orthogonal Frequency Division Multiple Access in DL CDMA SC-FDMA Single Carrier Frequency Division Multiple Access in UL CDMA Subcarrier A single 15 khz radio channel Radio channel Symbol A single.0667 ms time period Transmission symbol or chip Resource Element Resource Block The smallest unit of radio resources, one subcarrier for one symbol The smallest block of resources that can be allocated, 12 subcarriers for 7 symbols (84 resource elements) Timeslot 7 consecutive symbols Slot Subframe 2 consecutive timeslots Radio Frame Synchronization Signal 10 consecutive subframes, the basic transmission interval Periodic signal for synchronizing with and identifying cells Frame Sync message RLC Radio Link Control Protocol Radio Link Protocol (RLP) PDCP Packet Data Convergence Protocol Logical Channels Transport Channels Reference Signal These channels take the upper layer information (signaling or user traffic) and then are mapped to the transport channels by the RLC protocol layer These channels describe how the data (signaling or user traffic) is encoded/modulated and are mapped to the physical channels by the MAC protocol layer Periodic signal for transmission quality measurements Pilot Channel 2
PBCH Physical Broadcast Channel Control Channel PDSCH Physical Downlink Shared Channel Forward Traffic Channel PDCCH Physical Downlink Control Channel Preambles + MAC channels PCFICH Physical Control Format Indicator Channel DO Session PHICH Physical Hybrid ARQ Indication Channel ARQ Channel PRACH Physical Random Access Channel Access Channel PUSCH Physical Uplink Shared Channel Reverse Traffic Channel PUCCH Physical Uplink Control Channel MAC Channels MIB, SIB Master Information Block and System Information Block Quick Config + Sector Parameters + Access Parameters + DO Session CQI Channel Quality Indicator DRC value DCI Measurement Control events A1, A2, A3, A4, A5, B1, B2 Downlink Control Information which allocates both DL grant and UL grant Thresholds for cell selection and handover RSRP Reference signal received power Ec RSRQ Reference signal received quality Ec/Io Traffic Channel Assignment Pilot Add, Pilot Drop, Dynamic (Soft Slope) Thresholds SNR Received energy per RE over power spectral density of noise and interference Eb/No or Ec/Io HARQ Hybrid ARQ HARQ Uu LTE air interface C.S0024 or IS-856 RRC Connection A configured signaling path between the UE and the DO Session enode B Radio Bearer A configured and assigned radio resource DO Connection 3
4. Core Network Related Terms EPC Evolved Packet Core Packet Data Network MME Mobility Management Entity RNC + PDSN + AN-AAA S-GW Serving Gateway PDSN + PCF PDN-GW Packet Data Network Gateway HA HSS Home Subscriber System AAA PCRF Policy Charging Rule Function PCRF MIP Mobile IP MIP S1 Bearer S5/S8 Bearer EPS Bearer Service A configured traffic path between the enode B and the S-GW A configured traffic path between the S-GW and the PDN-GW A configured end-to-end traffic path between the UE and the PDN-GW (Radio Bearer + S1 Bearer + S5/S8 Bearer) A10 + R-P Session MIP PPP + MIP Ciphering Over-the-air privacy Encryption Attach Initial registration process UATI Assignment + DO Session Establishment + MIP Registration X2 enode B <-> enode B interface A13/A16/A17/A18 S1 enode B <-> core network interface A10/A11/A12 4
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