Adaptive Subcarrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Downlink OFDM Using Uplink Delay Spread.
Chang-Jun AhnSatoshi TakahashiHiroshi HaradaYukiyoshi KamioIwao SasasePublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2005)
Keyphrases
- ofdm system
- code division multiple access
- bit error rate
- modulation scheme
- application layer
- scheduling and resource allocation
- orthogonal frequency division multiplexing
- wireless channels
- fading channels
- multipath
- long term evolution
- wireless communication
- estimation algorithm
- wireless communication systems
- recursive least squares
- channel estimation
- traffic load
- communication systems
- computer simulation
- frequency selective
- channel coding
- data transmission
- packet scheduling
- resource allocation