processing system imbalances
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The Promise of Load Balancing the Parameterization of Moist Convection Using a Model Data Load Index
White Paper The parameterization of physical processes in atmospheric general circulation models contributes to load imbalances among individual processors of message-passing distributed-multiprocessor systems. Load imbalances increase the overall time to... [10 Jul 2008]
Space-Time Coding in MISO-OFDM Systems With Implementation Impairments
White Paper Implementation of OFDM-based systems suffers from In-phase and Quadrature-phase (IQ) imbalances in the front-end analog processing. In this paper, the effect of IQ imbalances on an OFDM-based system with Alamouti coding is studied and an efficient... [10 Apr 2008]
On the Baseband Compensation of IQ Imbalances in OFDM Systems
White Paper Implementation of OFDM-based systems suffers from Inphase-Quadrature phase (IQ) imbalances in the front-end analog processing. In this paper, the effect of IQ imbalances on OFDM receivers is analyzed and system level algorithms to compensate for... [10 Apr 2008]
An Analysis of 10-Gigabit Ethernet Protocol Stacks in Multicore Environments
White Paper For host-offloaded protocols such as iWARP, on the other hand, the portions of the communication stack that are performed on the host, such as buffering of messages and memory copies, are closely tied with the associated process, and hence do not... [05 Dec 2007]
OFDM Systems With Both Transmitter and Receiver IQ Imbalances
White Paper The implementation of OFDM-based systems suffers from impairments such as In-phase and Quadrature-phase (IQ) imbalances in the front-end analog processing. Such imbalances are caused by the analog processing of the Radio Frequency (FS) signal and... [13 Apr 2007]
Joint Compensation of Transmitter and Receiver Impairments in OFDM Systems
White Paper The implementation of OFDM-based systems suffers from impairments such as in-phase and quadrature-phase (IQ) imbalances in the front-end analog processing. Such imbalances are caused by the analog processing of the Radio Frequency (RF) signal and... [11 Apr 2007]
Joint Compensation of OFDM Transmitter and Receiver IQ Imbalance in the Presence of Carrier Frequency Offset
White Paper However these systems suffer from In-phase/Quadrature-phase (IQ) imbalances in the front-end analog processing which may have a huge impact on the performance. In this paper the effect of both transmitter and receiver IQ imbalance under carrier... [11 Apr 2007]
Adaptive MIMO OFDM Receivers: Implementation Impairments and Complexity Issues
White Paper This paper illustrates the effect of In-phase and Quadrature-phase (IQ) imbalances on system performance. The impairments are caused by the analog processing of the received radio frequency (RF) signal and they cannot be efficiently or entirely... [29 Mar 2005]
Compensation Schemes and Performance Analysis of IQ Imbalances in OFDM Receivers
White Paper The implementation of OFDM-based physical layers suffers from the effect of In-phase and Quadrature-phase (IQ) imbalances in the front-end analog processing. In this paper, the effect of IQ imbalances on OFDM receivers is studied and system level... [23 Mar 2005]
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