Carrier-to-interference power ratio
Enhanced MIMO-OFDM System for Wireless Communication
... ABSTRACT: Orthogonal Frequency Division Multiplexing (OFDM) is a powerful technique employed in communication systems suffering from frequency selectivity. However, it has got some limitations. The objective of our paper ...
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Sideband Noise Mitigation in a Co-Located Network Involving CDMA2000 and WCDMA System
... noise power on the receiver sensitivity, noise floor level and the carrier to interference ratio were clearly ...interfering power was evaluated as ...
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A resource allocation approach to control interference in Multi Carrier DS CDMA systems
... Multi-carrier spread spectrum can be realized using two schemes. The first realization scheme is MC- CDMA which is a referred to as CDMA-OFDM and second is MC-DS-CDMA. In both schemes, by using different spreading ...
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Performance Enhancement of Grouped MCCDMA MIMO System through Power Control Using Water Filling Game Theory under Imperfect Channel State Condition
... The power control and group assignment methods processed with the knowledge of CSI as an objective function that is received from ...receiver. Power control and group assignment in MCCDMA give op- timal ...
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A REVIEW OF NOVEL APPROACH FOR REDUCTION IN SUB CARRIER PEAK TO AVERAGE POWER RATIO IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING
... Digital Audio Broadcasting (DAB) using OFDM has been standardized in Europe and is the next step in evolution beyond FM radio broadcasting providing interference free transmission. The standard for DAB is known as ...
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Adaptive Coordinated Reception for Multicell MIMO Uplink
... the interference limited cellular systems is challenging and has been studied for ...Transmit power control (TPC) is a conventional technique to achieve a desired system ...required ...
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Improved Handoff Efficiency with the help of Neighbour Graph using Carrier to Interference Ratio
... The maximum range up to which the signal can be transmitted is determined by the height of the antenna and the power of the signal is inversely proportional to the square of the distance from the AP. But due to ...
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Closed form approximations of the peak to average power ratio distribution for multi carrier modulation and their applications
... Orthogonal frequency division multiplexing (OFDM) [1-3] is a technique used to send information over sev- eral orthogonal carriers in a parallel manner. Compared to the single-carrier modulation, this system shows ...
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Coding to reduce the interference to carrier ratio of OFDM signals
... Orthogonal frequency-division multiplexing (OFDM) is a multicarrier modulation technique that has been implemented for many high-speed wireless and wireline applications. Indeed, the orthogonal properties among ...
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Performance Evaluation of Non linear Companding Transform MIMO OFDM
... Inter Carrier interference (ICI) and Peak-to-Average Power Ratio (PAPR) for the performance evaluation of Multiple-Input and Multiple-Output Orthogonal Frequency Division Multiplexing ...
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Papr and Picr Reduction of Ofdm Signals with Slm-Pts And Eak Cancellation
... equivalent constellations. Secondly, a new TI scheme is also introduced in order to reduce the nonlinear distortion in the presence of power amplifier. This scheme takes the root-mean- square peak ...
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SIGNAL TO INTERFERENCE-NOISE RATIO BASED FIXED STEP SIZE POWER CONTROL ALGORITHM FOR WCDMA SYSTEM
... proposed power control algorithm of WCDMA for high data rate applications by calculating the user SIR based upon the received power of a user at the base ...transmitted power. Updated power ...
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Improving Quality of service in EVDO Wireless Broadband Networks
... the Carrier power and antenna tilt are changed according to the predefined rules, as shown in Table ...forward carrier power and increasing the antenna downtilt ...Forward carrier ...
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Development of OFDM based Cooperative Communication System for Mitigation of Effect of Carrier Frequency offset
... of carrier frequency offset on a cooperative Alamouti STC OFDM system is OFDM ICI, a well-studied phenomenon with performance degradation given by (7) and ...
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Analysis of OFDM System by Comparing Different PAPR Reduction Schemes
... average power: the method should not increase the power of transmitted ...average power of the original signals increase, it requires a larger linear operation region in HPA and thus resulting in the ...
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EVALUATION OF BER PERFORMANCE OF FFT-OFDM FOR WIRELESS COMMUNICATION NETWORKS
... Wireless channels can be considered as frequency selective when the bandwidth of signal is very wide, can reduction of ISI and ICI. And support multi user technique where it can accept many number of users showing ...
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A performance of a new hybrid PTS CCPAB PAPR reduction technique in OFDM Transmitters
... The high PAPR of an OFDM signal is one of the biggest problems in OFDM systems in wireless communication. A high PAPR reduces the efficiency of a power amplifier, which leads to the lossof its orthogonality ...
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Beamforming in Massive MIMO
... The Diversity Coding is a type of spatial coding techniques for used for MASSIVE MIMO system in wireless channels. Usually wireless channels severely affected from many factors such as fading that causes unreliability in ...
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A Novel Joint Scheme of PAPR Reduction and BER Performance Enhancement in Interleaved DCT SCFDMA System
... A novel pulse shaping filter with a new parameter β independent from the roll-off factor α is presented in [2]. This proposed filter increases the complexity of the system while maintaining the same excess bandwidth and ...
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International Journal of Emerging Technology and Advanced Engineering Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 9, Issue 4, April 2019)
... The OFDM plays a significant role in broad-band based communication systems, like high-definition Tele-vision’s HD-TVs), Digital Audio-Broadcasting (DAB), local wireless networks (such as HIPERLAN/2 and IEEE- 802.11a). ...
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