cyclic
RSS cyclicTraining Sequence Vs. Cyclic Prefix: A New Look on Single Carrier Communication
White Paper This paper introduces a new Training-Aided Single Carrier (TASC) scheme taking advantage of the Cyclic Prefix nature of a short Training Sequence (TS). This allows to perform frequency domain equalization, like for the... [26 Jul 2005]
On Cyclic Delay Diversity in OFDM Based Transmission Schemes
White Paper Cyclic Delay Diversity (CDD) is a simple approach to introduce spatial diversity to an Orthogonal Frequency Division Multiplexing (OFDM) based transmission scheme that itself has no built-in diversity. [25 Mar 2008]
OFDM Versus Single Carrier With Cyclic Prefix: A System-Based Comparison
White Paper This paper shows that for the same data rate, bandwidth and transmit power constraints Single-Carrier with Cyclic Prefix (SC-CP) allows the design of a more power efficient modem than OFDM and is therefore a better... [10 Apr 2008]
An Optimum OFDM Receiver Exploiting Cyclic Prefix for Improved Data Estimation
White Paper A drawback of OFDM systems is the performance/rate reduction due to the cyclic prefix overhead. This paper proposes receiver structures that exploit the cyclic prefix to increase the performance of the... [10 Apr 2008]
An Optimum OFDM Receiver Exploiting Cyclic Prefix for Improved Data Estimation
A drawback of OFDM systems is the performance/rate reduction due to the cyclic prefix overhead. This paper proposes receiver structures that exploit the cyclic prefix to increase the performance of the... [28 Mar 2005]
A Novel OFDM Transmission Scheme With Length-Adaptive Cyclic Prefix
White Paper Conventional OFDM transmission system uses a fixed-length Cyclic Prefix to counteract Inter-Symbol Interferences (ISI) caused by channel delay spreading under wireless mobile environment. This may cause considerable... [02 Nov 2004]
Minimum-Output-Energy Method for Blind Equalization of OFDM and Systems With Sufficient or Insufficient Cyclic Prefix
White Paper In this paper, a new blind equalization method is proposed for systems with cyclic prefix such as OFDM. When the cyclic prefix is sufficient, i.e.longer than the channel length, the complexity of the... [11 Apr 2007]
A Simple Space-Frequency Coding Scheme With Cyclic Delay Diversity for OFDM
White Paper Cyclic Delay Diversity (CDD) is a simple approach to increase the frequency selectivity of the channel in an Orthogonal Frequency Division Multiplexing (OFDM) based transmission scheme. Due to these virtual multipath... [13 Apr 2007]
Performance Comparison Between MRC Receiver Diversity and Cyclic Delay Diversity in OFDM WLAN Systems
White Paper Cyclic Delay Diversity (CDD) is a new concept with reduced complexity that has been proposed for transmitter and receiver diversity in OFDM based wireless systems. Applying CDD at the receiver side, the paper proposes a... [11 Apr 2007]
Eliminating the OFDM Cyclic Prefix
White Paper The performance and computational intensity of the proposed system is compared to a traditional OFDM system using redundant information from the cyclic prefix. A novel method is presented to estimate the frame time and... [18 Apr 2007]
Optimum Pre-DFT Combining With Cyclic Delay Diversity for OFDM Based WLAN Systems
White Paper The cyclic delay diversity is applied in OFDM receiver to increase the frequency-selectivity of the channel seen at the receiver for flat (or less frequency-selective) channels. A new method has been studied to optimize... [18 Apr 2007]
The Cyclic Prefix of OFDM/DMT - An Analysis
White Paper This paper addresses the impact of a too short cyclic prefix on multicarrier systems such as Orthogonal Frequency Division Multiplex (OFDM) and Discrete MultiTone (DMT). A practical implication is, e.g.that the... [18 Apr 2007]
Blind Adaptive Equalization of OFDM Transmission With Insufficient Cyclic Prefix
White Paper The authors create a new blind equalization method with both batch and adaptive algorithms developed for OFDM systems with insufficient cyclic prefix. Special correlation property of cyclic prefix is... [13 Apr 2007]
OFDM With Trailing Zeros Versus OFDM With Cyclic Prefix: Links, Comparisons and Application to the HiperLan/2 System
White Paper This paper proposes a simple equalizer for a recent multicarrier block transmission scheme which pads zeros (as opposed to a cyclic prefix) in each transmitted block. In the absence of high-power amplifier induced... [11 Apr 2007]
Generalization of Single-Carrier and Multicarrier Cyclic Prefixed Communication
White Paper This paper describes a cyclic prefixed communication structure that is a generalization of both the Orthogonal Frequency-Division Multiplexing (OFDM) system and the Cyclic Prefixed Single-Carrier (CP-SC)... [11 Apr 2007]
