symbol modulation scheme
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Frequency-Time Block Codes for OFDMA Uplink Applications
White Paper Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier block modulation scheme primarily used in high bit rate systems to mitigate inter-symbol interference (ISI) due to delay spread in multipath wireless channels. [03 Jul 2008]
Exploiting Multipath Induced Diversity in OFDM Systems
White Paper Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier block modulation scheme suitable for wireless communications. It is primarily used in high bit rate systems to mitigate inter-symbol interference (ISI) caused due to de- lay spread. [03 Jul 2008]
Inter-Carrier Interference Cancellation for OFDM Systems
White Paper Orthogonal Frequency Division Multiplexing (OFDM) is an emerging multi-carrier modulation scheme, which has been adopted for several wireless standards such as IEEE 802.11a and HiperLAN2. This frequency offset introduces inter-carrier interference... [27 Jul 2007]
Forward Link Coding and Modulation for cdma2000 1XEV-DO (IS-856)
White Paper It highlights a "novel" interleaver design that provides near-optimal code puncturing and modulation symbol mapping, in addition to randomizing burst errors on the channel. The channel coding/modulation scheme used on the forward link is designed... [17 Jul 2007]
Outage Probability Comparison of CP-OFDM and TDS-OFDM for Broadcast Channels
White Paper The Time Domain Synchronous Orthogonal Frequency Division Multiplex (TDS-OFDM) modulation scheme has recently been proposed in a new Digital TeleVision (DTV) system. The European DTV standard DVB-T, on the other hand, uses the Cyclic Prefix (CP... [18 Apr 2007]
A Multipath Interference Canceller for OFDM Signal Transmission
White Paper Because OFDM offers a very good way to minimize inter-symbol-interference under multi-path conditions, it seems to be the primary choice of modulation method for future packet transmission systems. An interference canceller scheme for OFDM is thus... [14 Apr 2007]
A Pseudorandom Postfix OFDM Modulator - Semi-Blind Channel Estimation and Equalization
White Paper Compared with known Cyclic Prefix OFDM (CP-OFDM) Pilot-Symbol-Assisted Modulation (PSAM) schemes, the pilot overhead is avoided. The main property of this new modulation scheme is the ability to estimate and track the channel variations semi... [11 Apr 2007]
Multicarrier CDMA Systems Using PCC-OFDM
White Paper Polynomial cancellation coded orthogonal frequency division multiplexing (PCC-OFDM) with overlapping symbol periods is a modulation scheme with properties that make it well suited to high speed data transmission including mobile applications. [21 Oct 2004]
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