LTE Advanced Programme

LTE Advanced Programme

CARRIER AGGREGATION (CA)

• Carrier aggregation of contiguous and non-contiguous spectrum allocations
• Primary and Secondary Serving Cells (P/S Cells)
• Initial Acquisition
• Connection Establishment
• CA Operation Bands
• CA Channel Bandwidth
  • Scalable System Bandwidth exceeding 20 MHz, up to 100 MHz
• CA Channel Raster
• Procedures for CA
  • SCell Activation and Deactivation
  • Idle Mode Procedures
  • Radio Link Failures (RLF)
  • Random Access Procedure
  • Logical Channel Prioritization
  • Buffer Status Reporting
  • Handovers with CA
  • Resource Scheduling in CA
• Method for specification of inter-band and Intra-band CA
• UE Transmitter and Receiver Characteristics in CA
  • Reference Sensitivity Power Level

ADVANCED MULTI-CELL COORDINATION

• Coordinated Multi-Point (CoMP) Transmission and Reception
  • Downlink coordinated multi-point transmission

• CoMP categories
  • Joint Processing (JP)
  • Joint Transmission
  • UE reception from multiple transmission points.
  • Dynamic cell selection
    • Coordinated Scheduling
    • Reporting of dynamic channel conditions between the multiple transmission points and UE
• CoMP feedback mechanisms
  • Explicit channel state information feedback
  • Channel as observed by the UE receiver
  • Implicit channel state information feedback
  • CQI/PMI/RI
  • Complementary inter-cell feedback

Uplink coordinated multi-point reception

• Joint reception (JR)
• Coordinated scheduling (CS) decisions.
• Extended CP operation

MIMO ENHANCEMENTS IN LTE ADVANCED

• Downlink 8*8 MIMO
• Transmission Modes (TM)
  • TM 1-7  Release 8
  • TM8       Release 9
  • TM9       Release 10
• Uplink 4*4 MIMO
  • PUSCH Transmission Modes 1 and 2
  • Transmit Diversity for PUCCH

RELAY ARCHITECTURE AND NODES

• Donor eNodeB (DeNB)
• Types of Relay Nodes
  • Layer 1 Relay Node
  • Layer 2 Relay Node
  • Layer 3 Relay Node
• Resource partitioning for relay-eNodeB link
• Relay-eNodeB link for inband and outband relay
• Backhaul Aspects
  • Backhaul Data Transmission
  • Backward Compatible Backhaul Partitioning
  • Backhaul Resource Assignment
  • Backhaul Scheduling
  • Backhaul Physical Channels
  • Relay PDCCH (R-PDCCH)
  • Cross Interleaved and Non-Cross-Interleaved R-PDCCH