Veröffentlichung der LTE-Release 8 User Equipment Categories
Gerade wurden die LTE-Release 8 User Equipment Categories veröffentlicht. Es wird bestimmt interessant wenn in der Zukunft Geräte 4×4 MIMO unterstützen, dann sollte es möglich sein wirklich große Mengen an Daten zu übertragen.
LTE Release 8 Key Features
- High spectral efficiency
— OFDM in Downlink, Robust against multipath interference & High affinity to advanced techniques such as Frequency domain channel-dependent scheduling & MIMO
— DFTS-OFDM(“Single-Carrier FDMA”) in Uplink, Low PAPR, User orthogonality in frequency domain
— Multi-antenna application - Very low latency
— Short setup time & Short transfer delay
— Short HO latency and interruption time; Short TTI, RRC procedure, Simple RRC states - Support of variable bandwidth
— 1.4, 3, 5, 10, 15 and 20 MHz - Simple protocol architecture
— Shared channel based
— PS mode only with VoIP capability - Simple Architecture
— eNodeB as the only E-UTRAN node
— Smaller number of RAN interfaces, eNodeB « MME/SAE-Gateway (S1), eNodeB « eNodeB (X2) - Compatibility and inter-working with earlier 3GPP Releases
- Inter-working with other systems, e.g. cdma2000
- FDD and TDD within a single radio access technology
- Efficient Multicast/Broadcast
— Single frequency network by OFDM - Support of Self-Organising Network (SON) operation
via 3gpp.org




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