codes ofdm White Papers

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silicon.com > White Papers > Networking and Communications > Mobile and Wireless

On Cyclic Delay Diversity in  OFDM  Based Transmission Schemes

On Cyclic Delay Diversity in OFDM Based Transmission Schemes

...Division Multiplexing (OFDM) based transmission scheme that itself has no built-in diversity. It also can be regarded as a Space-Time Code (STC). But... Read more

Mar 25, 2008

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

Crest Factor Reduction for  OFDM -Based Wireless Systems

Crest Factor Reduction for OFDM-Based Wireless Systems

...for Code Division Multiple Access (CDMA) systems. However, CFR schemes developed primarily for CDMA signals exhibit poor performance when used in conjunction with OFDM signals... Read more

Dec 2, 2009

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

From WiFi to WiMAX: Techniques for High-Level IP Reuse Across Different  OFDM  Protocols

From WiFi to WiMAX: Techniques for High-Level IP Reuse Across Different OFDM Protocols

...11a and 802.16 in Bluespec from a highly parameterized code for a generic OFDM protocol. This approach results in highly reusable IP blocks that... Read more

Apr 22, 2009

silicon.com > White Papers > Networking and Communications > LAN - WAN

Performance Analysis of IEEE 802.11n Under Different STBC Rates Using 64-QAM

Performance Analysis of IEEE 802.11n Under Different STBC Rates Using 64-QAM

...based on a 4x4 MIMO-OFDM scheme using 64-QAM (Quadrature...1/2 Space-Time Block Code (STBC) rate is applied with... Read more

Dec 2, 2009

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

Diversity Techniques to Combat Fading in WiMAX

Diversity Techniques to Combat Fading in WiMAX

...specified for the Wireless MAN-OFDM case is studied and implemented...system coupled with Reed-Solomon codes and Convolutional codes efficiently exploits... Read more

Apr 22, 2009

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

Design of IRA  Codes  for Non-Coherent Detection With  OFDM

Design of IRA Codes for Non-Coherent Detection With OFDM

...non-coherent Orthogonal Frequency-Division Multiplexing (OFDM) system for block frequency-selective fading channels with non-systematic IRA codes where the receiver performs iterative channel... Read more

Apr 13, 2007

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

 Code -Aided Channel Tracking for  OFDM

Code-Aided Channel Tracking for OFDM

...tracking a frequency-selective channel for OFDM systems, where the data is protected by a powerful error-correcting code. This paper presents an EM-based... Read more

Apr 11, 2007

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

High Performance Viterbi Decoder for  OFDM  Systems

High Performance Viterbi Decoder for OFDM Systems

...systems that deploy conventional convolutional codes, a Viterbi decoder is the...on Orthogonal Frequency Division Multiplexing (OFDM) and the channel has frequency... Read more

Apr 11, 2007

silicon.com > White Papers > Networking and Communications > Mobile and Wireless

Multi-Coded  OFDM  Transmission Using Pace-Time Block  Codes

Multi-Coded OFDM Transmission Using Pace-Time Block Codes

...addresses link adaptation for multi-coded OFDM transmission with space-time processing. The previously proposed algorithm of Code and Modulation (CM) selection and power... Read more

Apr 11, 2007