Hvordan understøtter mobilkommunikation IoT - i dag … Digital/7. IoT... · 3GPP Release Features Rel-13 ... 3GPP TR 22.885 “Study on LTE support for Vehicle to ... Rel. 14, Dec
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Bandwidth limited operations (1.4 MHz), coverage enhancement (CE Mode A/B), half-duplex support, in-band operation mode, RRC connection suspend/resume, data transmission via control plane, extended DRX, mobility support
Rel-14(2017)
Positioning enhancements (E-CID requirements and OTDOA support), multicast support using SC-PTM, larger channel PDSCH/PUSCH bandwidth (up to 5 & 20 MHz), higher data rates, VoLTEenhancements, HARQ-ACK bundling, support inter-frequency measurements
Rel-15(2018)
Reduce latency and power consumption, improve spectral efficiency, support higher UE velocity, lower UE power class, improve load control of idle UEs, eDRX enhancements
I. KEY NB-IOT FEATURES
3GPP Release
Features
Rel-13(2016)
New physical layer channels and signals for 180 kHz RF bandwidth, half-duplex only, 3 modes of operation (stand-alone, in-band, guard-band), single-tone and multi-tone transmission on uplink, RRC connection suspend/resume, data transmission via control plane, extended DRX, only idle-mode mobility
Rel-14(2017)
Positioning enhancements (E-CID requirements and OTDOA support), multicast support using SC-PTM, support higher data rates, allow paging and random access procedures on non-anchor carriers, new UE power class (14 dBm)
Rel-15(2018)
Reduced latency and power consumption, measurement accuracy improvement, random access reliability and range enhancements, small cell support, support for TDD, access barring enhancement, eDRX enhancements
[1] 3GPP TR 22.885 “Study on LTE support for Vehicle to Everything (V2X) services”, Rel. 14, Dec 2015[2] 3GPP TR 36.885 “Study on LTE-based V2X services”, Rel. 14, Nov 2015
V2X in LTE Rel 14
E-UTRAN
SL
E-UTRAN
ULDL
RV sends information of the breaking event to the relevant cars
NW forwards the RV information to the relevant cars, using
broadcastRemote Vehicle
Host Vehicles
✓ Latency
x Reliability ?
x Latency
✓ Reliability
Direct V2V (3GPP Scenario 1) Non-direct V2V (3GPP Scenario 2)
• Foster the roll out of 5G services in unserved areas, where terrestrial network deployment are not cost efficient: Isolated areas, remote areas or off-shore
• Reinforce the 5G service reliability by providing service continuity for M2M/IoT on board (fast moving) vessels (airplanes, trains, ships, trucks )
5 G
R A N
5 G
C N
NR viafrequency f2
NR viafrequency f1
5 G
R A N
5 G
C N
NGc/NGu overfrequency f2
NR viafrequency f1
Transparent (bent-pipe)satellite/HAPS
Non Transparent (On Board processor)satellite/HAPS