Receive signal Yes; 64 levels Yes; 77 levels Yes; 77 levels LTE reports strength between between between Reference signal indication (RSSI) dBm + dBm dBm received power −110 −100 −100 scale and and dBm and dBm (RSRP) for LTE −48 −25 −25 dBm+scale neighbor cells and RSSI (77 levels between dBm and −100 dBm) for −25 HSPA and EDGE neighbor cells. See 3GPP TS 36.133. Lost packets Residual block Residual Depends on Depends on error ratio BLER = 1% operating operating point (BLER) = 1% after HARQ but typically but typically 1% after HARQ 1% residual residual BLER BLER after after HARQ HARQ Mechanisms to Yes, e.g. DTX, Yes, e.g. Yes, e.g. Yes, e.g. DTX, reduce power DRX and DTX, DRX DTX, DRX DRX consumption power control Low power state Yes Yes Yes, e.g. Yes support Longer DTX/DRX cycles in all states Point to point Yes Yes Yes Yes to Yes Yes Yes Yes Multipoint Broadcast Yes Yes Yes Yes Handover Yes Yes Yes Yes Media access Scheduled Scheduled method packet packet based TDMA CDMA CDMA OFDMA Discovery Sync and Sync and Sync and Sync and Broadcast Broadcast Broadcast Broadcast channel channel channel channel Association Temporary Through Through Through CRNTI block flow various HRNTI and (TBF) RNTIs ERNTI assigned to UEs Traffic priority diffserv, 3GPP-defined 3GPP-defined 3GPP-defined 3GPP-defined resserv priorities priorities priorities priorities TABLE A1.7 (continued) Functionality Measurement GSM/EDGE UMTS HSPA+ LTE characteristic unit
Receive signal strength indication (RSSI) Yes; 64 levels between −110 dBm + scale and −48 dBm+scale Yes; 77 levels between −100 dBm and −25 dBm Yes; 77 levels between −100 dBm and −25 dBm LTE reports Reference signal received power (RSRP) for LTE neighbor cells and RSSI (77 levels between −100 dBm and −25 dBm) for HSPA and EDGE neighbor cells. See 3GPP TS 36.133. Lost packets Residual block error ratio (BLER) = 1% after HARQ Residual BLER = 1% after HARQ Depends on operating but typically 1% residual BLER after HARQ Depends on operating point but typically 1% residual BLER after HARQ Mechanisms to reduce power consumption Yes, e.g. DTX, DRX and power control Yes, e.g. DTX, DRX Yes, e.g. DTX, DRX Yes, e.g. DTX, DRX Low power state support Yes Yes Yes, e.g. Longer DTX/DRX cycles in all states Yes Point to point Yes Yes Yes Yes to Multipoint Yes Yes Yes Yes Broadcast Yes Yes Yes Yes Handover Yes Yes Yes Yes Media access method TDMA CDMA Scheduled packet CDMA Scheduled packet based OFDMA Discovery Sync and Broadcast channel Sync and Broadcast channel Sync and Broadcast channel Sync and Broadcast channel Association Temporary block flow (TBF) Through various RNTIs Through HRNTI and ERNTI assigned to UEs Through CRNTI Traffic priority diffserv, resserv 3GPP-defined priorities 3GPP-defined priorities 3GPP-defined priorities 3GPP-defined priorities TABLE A1.7 (continued) Functionality characteristic Measurement unit GSM/EDGE UMTS HSPA+ LTE