Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739404
S. Venkatesh, Poonam Singh
The small yet non-zero cross-correlation between chaotic spreading sequences in multi user chaotic communication system leads to MAI. The effect of MAI increases as the number of users increases. In order to eliminate the effect of MAI we propose the use of Orthogonal Chaotic Vectors (OCV) as spreading sequences to modulate the message data. At the receiver a simple correlator type detector is used. Analytical expressions for BER are derived for both AWGN and fading channels are compared with that of simulation results.
{"title":"An improved multiple access chaotic communication system using orthogonal chaotic vectors","authors":"S. Venkatesh, Poonam Singh","doi":"10.1109/ICCSP.2011.5739404","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739404","url":null,"abstract":"The small yet non-zero cross-correlation between chaotic spreading sequences in multi user chaotic communication system leads to MAI. The effect of MAI increases as the number of users increases. In order to eliminate the effect of MAI we propose the use of Orthogonal Chaotic Vectors (OCV) as spreading sequences to modulate the message data. At the receiver a simple correlator type detector is used. Analytical expressions for BER are derived for both AWGN and fading channels are compared with that of simulation results.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124529466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739343
A. Chatterjee, G. K. Mahanti, P. Mahapatra
A pattern synthesis method based on Gravitational Search Algorithm (GSA) is presented to generate a dual pencil beam patterns with two different pre-defined sidelobe levels from a concentric ring array of isotropic antennas. Both the patterns are generated by sharing a common optimum amplitude distribution of the array elements. The pattern with sidelobe level lower than the other is generated by switching phase distribution of the array elements from zero to the optimum value. The amplitude and the phase of the array elements are varied radially along the array using GSA to generate a dual pencil beam of two different sidelobe levels.
{"title":"Generation of phase-only pencil-beam pair from concentric ring array antenna using Gravitational Search Algorithm","authors":"A. Chatterjee, G. K. Mahanti, P. Mahapatra","doi":"10.1109/ICCSP.2011.5739343","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739343","url":null,"abstract":"A pattern synthesis method based on Gravitational Search Algorithm (GSA) is presented to generate a dual pencil beam patterns with two different pre-defined sidelobe levels from a concentric ring array of isotropic antennas. Both the patterns are generated by sharing a common optimum amplitude distribution of the array elements. The pattern with sidelobe level lower than the other is generated by switching phase distribution of the array elements from zero to the optimum value. The amplitude and the phase of the array elements are varied radially along the array using GSA to generate a dual pencil beam of two different sidelobe levels.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123461023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739362
V. Mohan, Y. Venkataramani
In this paper, a compression scheme of iris images using Wavelet Based Directional Transform (WBDT) through Templates of Discrete Time Cellular Neural Network (DTCNN) and Directional Filter Bank (DFB) is presented. The complex annular part of the iris portion of the eye image contains many distinctive features such as arching ligaments, furrows and ridges. The compression algorithms developed for iris images have to preserve the details present in the iris part of the image, which are used for subsequent biometric processes. The directionality features can be very well analyzed by means of Directional Filter banks in WBDT than Wavelet decomposition. The decomposed image using WBDT can be coded effectively by using modified SPIHT encoding. The encoder output is further compressed using SOFM based VQ coder. The subjective quality of the reconstructed images obtained is comparable with the 2D wavelet decomposition. It is inferred that an average of 10dB improvement can be seen over wavelet based technique for the same entropy. The results obtained are tabulated and compared with those of the wavelet based ones.
{"title":"Compression of iris images using DTCNN based Wavelet decomposition and Directional Filter Bank analysis","authors":"V. Mohan, Y. Venkataramani","doi":"10.1109/ICCSP.2011.5739362","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739362","url":null,"abstract":"In this paper, a compression scheme of iris images using Wavelet Based Directional Transform (WBDT) through Templates of Discrete Time Cellular Neural Network (DTCNN) and Directional Filter Bank (DFB) is presented. The complex annular part of the iris portion of the eye image contains many distinctive features such as arching ligaments, furrows and ridges. The compression algorithms developed for iris images have to preserve the details present in the iris part of the image, which are used for subsequent biometric processes. The directionality features can be very well analyzed by means of Directional Filter banks in WBDT than Wavelet decomposition. The decomposed image using WBDT can be coded effectively by using modified SPIHT encoding. The encoder output is further compressed using SOFM based VQ coder. The subjective quality of the reconstructed images obtained is comparable with the 2D wavelet decomposition. It is inferred that an average of 10dB improvement can be seen over wavelet based technique for the same entropy. The results obtained are tabulated and compared with those of the wavelet based ones.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123624057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739336
Apoorva Sharma, Syed Azeemuddin, A. Harish
Designing RFID tag antenna for metallic objects is a challenging task as antenna parameters are highly affected by metallic surface. This paper presents a miniaturized slotted RFID tag antenna with overall dimensions of 33 mm × 16 mm × 3.2 mm for metallic objects. The proposed design contains two coplanar metallic patches which are electrically connected to the ground plane through a copper via. Multiple slots are created on metallic patches which help in improving overall antenna inductance. A non-connected metallic plate is present between the ground and the patches. The proposed antenna design is simulated and fabricated, and its parameters are analyzed. It is concluded that this design can be reused for different tag chips having different input impedances simply by varying slot length without changing any other antenna dimensions. The read range of the proposed design, when the tag antenna is mounted on the metallic surface, is approximately 80 cm.
由于金属表面对天线参数的影响很大，因此设计金属物体的RFID标签天线是一项具有挑战性的任务。本文提出了一种外形尺寸为33 mm × 16 mm × 3.2 mm的金属物体小型化开槽RFID标签天线。所提出的设计包含两个共面金属片，它们通过铜通孔电连接到地平面。金属贴片上有多个槽，这有助于提高天线的整体电感。在地面和贴片之间存在非连接的金属板。对所提出的天线设计进行了仿真和制作，并对其参数进行了分析。结果表明，在不改变任何其他天线尺寸的情况下，只需改变插槽长度，这种设计可以重复用于具有不同输入阻抗的不同标签芯片。当标签天线安装在金属表面时，所提出的设计的读取范围约为80厘米。
{"title":"Miniature slotted RFID tag antenna for metallic objects","authors":"Apoorva Sharma, Syed Azeemuddin, A. Harish","doi":"10.1109/ICCSP.2011.5739336","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739336","url":null,"abstract":"Designing RFID tag antenna for metallic objects is a challenging task as antenna parameters are highly affected by metallic surface. This paper presents a miniaturized slotted RFID tag antenna with overall dimensions of 33 mm × 16 mm × 3.2 mm for metallic objects. The proposed design contains two coplanar metallic patches which are electrically connected to the ground plane through a copper via. Multiple slots are created on metallic patches which help in improving overall antenna inductance. A non-connected metallic plate is present between the ground and the patches. The proposed antenna design is simulated and fabricated, and its parameters are analyzed. It is concluded that this design can be reused for different tag chips having different input impedances simply by varying slot length without changing any other antenna dimensions. The read range of the proposed design, when the tag antenna is mounted on the metallic surface, is approximately 80 cm.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"322 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123653983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739374
O. Muta, Isamu Kaneko, Y. Akaiwa, H. Furukawa
Adaptive predistorter is an effective technique to compensate for nonlinear distortion in a power amplifier. As a method to improve the parameter convergence speed in the predistorter, a series expansion technique with an orthogonal polynomials has been investigated. In this paper, we present an adaptive predistortion linearization method based on orthogonal polynomial expansion for a nonlinear power amplifier affected by memory effect in OFDM systems, where both memory and memoryless predistorter are constructed by the weighted sum of orthogonal polynomials. In addition, to achieve the parameter optimization speed improvement of the predistorter, we propose a method to determine step-size in a recursive calculation. The parameter convergence performance of the predistorter is investigated in OFDM systems with and without peak-to-average power ratio (PAPR) reduction, where the partial transmit sequence (PTS) technique is employed to reduce PAPR. Computer simulation results show that the proposed adaptive predistorter achieves faster parameter convergence time than that of non-orthogonal one in OFDM systems with nonlinear power amplifier affected by memory effect, even though PAPR of OFDM signal is reduced by using PTS. It is also confirmed that power added efficiency is further improved by combining the adaptive predistortion with PAPR reduction technique.
{"title":"Adaptive predistortion linearization based on orthogonal polynomial expansion for nonlinear power amplifiers in OFDM systems","authors":"O. Muta, Isamu Kaneko, Y. Akaiwa, H. Furukawa","doi":"10.1109/ICCSP.2011.5739374","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739374","url":null,"abstract":"Adaptive predistorter is an effective technique to compensate for nonlinear distortion in a power amplifier. As a method to improve the parameter convergence speed in the predistorter, a series expansion technique with an orthogonal polynomials has been investigated. In this paper, we present an adaptive predistortion linearization method based on orthogonal polynomial expansion for a nonlinear power amplifier affected by memory effect in OFDM systems, where both memory and memoryless predistorter are constructed by the weighted sum of orthogonal polynomials. In addition, to achieve the parameter optimization speed improvement of the predistorter, we propose a method to determine step-size in a recursive calculation. The parameter convergence performance of the predistorter is investigated in OFDM systems with and without peak-to-average power ratio (PAPR) reduction, where the partial transmit sequence (PTS) technique is employed to reduce PAPR. Computer simulation results show that the proposed adaptive predistorter achieves faster parameter convergence time than that of non-orthogonal one in OFDM systems with nonlinear power amplifier affected by memory effect, even though PAPR of OFDM signal is reduced by using PTS. It is also confirmed that power added efficiency is further improved by combining the adaptive predistortion with PAPR reduction technique.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125567520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739290
D. Deepa, A. Vijay, D. Hema Priya, A. Shanmugam
Single-channel Speech enhancement algorithms are widely used to overcome the degradation of noisy speech signals. Speech enhancement gain functions are typically computed from two quantities, namely, an estimate of the noise power spectrum and of the noisy speech power spectrum. The variance of these power spectral estimates degrades the quality of the enhanced signal and smoothing techniques are, therefore, often used to decrease the variance. In the proposed method Adaptive threshold is estimated using the variance in the time index. Using this threshold the gain and the speech spectrum are updated. Further the gain is modified based on the adaptive threshold estimated in the frequency bins and Enhanced signal is obtained from the product of modified gain function and the updated speech spectrum. By this method definite improvement in SNR can be obtained. Compare to the conventional method Mean square error (MSE) is much reduced in the proposed method.
{"title":"Enhancement of noisy speech signal based on variance and modified gain function","authors":"D. Deepa, A. Vijay, D. Hema Priya, A. Shanmugam","doi":"10.1109/ICCSP.2011.5739290","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739290","url":null,"abstract":"Single-channel Speech enhancement algorithms are widely used to overcome the degradation of noisy speech signals. Speech enhancement gain functions are typically computed from two quantities, namely, an estimate of the noise power spectrum and of the noisy speech power spectrum. The variance of these power spectral estimates degrades the quality of the enhanced signal and smoothing techniques are, therefore, often used to decrease the variance. In the proposed method Adaptive threshold is estimated using the variance in the time index. Using this threshold the gain and the speech spectrum are updated. Further the gain is modified based on the adaptive threshold estimated in the frequency bins and Enhanced signal is obtained from the product of modified gain function and the updated speech spectrum. By this method definite improvement in SNR can be obtained. Compare to the conventional method Mean square error (MSE) is much reduced in the proposed method.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121429705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739376
G. Phadke
Object tracking is critical to visual surveillance and activity analysis. The major issue in multiple visual target tracking is occlusion handling. In this paper, we investigate how to improve the robustness of visual tracking method for multiple target tracking with occlusion. Here we propose weighted fragment based mean shift with Kalman filter with the consideration of color features of the target. Discrete wavelet transform is used to detect the target automatically. Inter frame difference of LL-subband is used for detection of the target. Automatic fragments are acquired by calculating the mean and standard deviation of detected target. Here the weighted fragments are derived from the likelihood function of foreground and background of that particular fragment using color histogram. The output of weighted fragmented mean shift is updated with the help of Kalman filter. The Proposed tracking algorithm has been tested on several challenging videos of different situations and compared with mean shift method using Bhattacharyya coefficients and Bhattacharyya distance. Extensive experiments authenticate the robustness and reliability of the proposed method.
{"title":"Robust multiple target tracking under occlusion using fragmented mean shift and Kalman filter","authors":"G. Phadke","doi":"10.1109/ICCSP.2011.5739376","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739376","url":null,"abstract":"Object tracking is critical to visual surveillance and activity analysis. The major issue in multiple visual target tracking is occlusion handling. In this paper, we investigate how to improve the robustness of visual tracking method for multiple target tracking with occlusion. Here we propose weighted fragment based mean shift with Kalman filter with the consideration of color features of the target. Discrete wavelet transform is used to detect the target automatically. Inter frame difference of LL-subband is used for detection of the target. Automatic fragments are acquired by calculating the mean and standard deviation of detected target. Here the weighted fragments are derived from the likelihood function of foreground and background of that particular fragment using color histogram. The output of weighted fragmented mean shift is updated with the help of Kalman filter. The Proposed tracking algorithm has been tested on several challenging videos of different situations and compared with mean shift method using Bhattacharyya coefficients and Bhattacharyya distance. Extensive experiments authenticate the robustness and reliability of the proposed method.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122549906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739294
S. Shabu, M. James
For the rescue operation during natural calamities to be done efficiently, there must be a life detector that can provide reliable determination of a live person's presence in a place of search. Microwave sensors could bring some specific advantages for the detection of living victims. Primarily, microwaves are sensitive to small movements which are distinctive signs of life, independently of a possible loss of consciousness. It is at this juncture that microwave life detectors gain their significance. The antenna system is an integral part of microwave life rescuing system. The compactness and portability of a microwave life detection system depend largely on the miniaturization the antenna used which could be realised using micro strip patch antenna. The efficiency of the existing microwave life detection system can be raised by increasing the transmitted power and implementing appropriate digital signal processing techniques. Rapid developments in wireless communication go in parallel with advancements in compactness and efficiency of antennas. This work proposes the design of a single element microstrip patch antenna and a 1×4 microstrip patch antenna array for a microwave life detection system at 1.150 GHz. Also the directivity of the simulated patch and 1×4 patch antenna array are compared. The simulations are done in AWRDE Microwave office.
{"title":"Comparison of single patch and patch antenna array for a microwave life detection system","authors":"S. Shabu, M. James","doi":"10.1109/ICCSP.2011.5739294","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739294","url":null,"abstract":"For the rescue operation during natural calamities to be done efficiently, there must be a life detector that can provide reliable determination of a live person's presence in a place of search. Microwave sensors could bring some specific advantages for the detection of living victims. Primarily, microwaves are sensitive to small movements which are distinctive signs of life, independently of a possible loss of consciousness. It is at this juncture that microwave life detectors gain their significance. The antenna system is an integral part of microwave life rescuing system. The compactness and portability of a microwave life detection system depend largely on the miniaturization the antenna used which could be realised using micro strip patch antenna. The efficiency of the existing microwave life detection system can be raised by increasing the transmitted power and implementing appropriate digital signal processing techniques. Rapid developments in wireless communication go in parallel with advancements in compactness and efficiency of antennas. This work proposes the design of a single element microstrip patch antenna and a 1×4 microstrip patch antenna array for a microwave life detection system at 1.150 GHz. Also the directivity of the simulated patch and 1×4 patch antenna array are compared. The simulations are done in AWRDE Microwave office.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122161765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739318
N. S. Raghava, A. De, P. Arora, S. Malhotra, R. Bazaz, S. Kapur, R. Manocha
A compact microstrip patch antenna for ultra-wideband (UWB) applications is proposed. The antenna has a frequency bandwidth of 3.03GHz (4.73GHz–7.76GHz). The microstrip antenna has a planar geometry and consists of two patches, a circular radiating patch and a circular ring shaped parasitic patch. The design was simulated with the help of IE3D v.14 software and the different parameters of the patch antenna were computed. Results show that the proposed antenna has promising characteristics for UWB applications such as Wireless Personal Area Network (WPAN), microwave imaging for detecting tumors and cancers, home networking etc.
{"title":"A novel patch antenna for ultra wideband applications","authors":"N. S. Raghava, A. De, P. Arora, S. Malhotra, R. Bazaz, S. Kapur, R. Manocha","doi":"10.1109/ICCSP.2011.5739318","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739318","url":null,"abstract":"A compact microstrip patch antenna for ultra-wideband (UWB) applications is proposed. The antenna has a frequency bandwidth of 3.03GHz (4.73GHz–7.76GHz). The microstrip antenna has a planar geometry and consists of two patches, a circular radiating patch and a circular ring shaped parasitic patch. The design was simulated with the help of IE3D v.14 software and the different parameters of the patch antenna were computed. Results show that the proposed antenna has promising characteristics for UWB applications such as Wireless Personal Area Network (WPAN), microwave imaging for detecting tumors and cancers, home networking etc.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"32 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120905685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2011-03-24DOI: 10.1109/ICCSP.2011.5739401
P. Bindu, P. C. Subramaniam
A wide band Low Noise Amplifier (LNA) in 0.18µm CMOS technology, employing noise cancellation and current reuse, which receives different wireless standards over a frequency range of 900 MHz to 6 GHz, is designed, analyzed and simulated. The LNA provides a power gain of 17.5dB with a power dissipation of 13.7 mW, and a noise figure (NF) of 2.6 to 3.5 dB over a bandwidth of 0.9 GHz to 6 GHz.
{"title":"CMOS wide band Low Noise Amplifier with current reuse and noise cancellation","authors":"P. Bindu, P. C. Subramaniam","doi":"10.1109/ICCSP.2011.5739401","DOIUrl":"https://doi.org/10.1109/ICCSP.2011.5739401","url":null,"abstract":"A wide band Low Noise Amplifier (LNA) in 0.18µm CMOS technology, employing noise cancellation and current reuse, which receives different wireless standards over a frequency range of 900 MHz to 6 GHz, is designed, analyzed and simulated. The LNA provides a power gain of 17.5dB with a power dissipation of 13.7 mW, and a noise figure (NF) of 2.6 to 3.5 dB over a bandwidth of 0.9 GHz to 6 GHz.","PeriodicalId":408736,"journal":{"name":"2011 International Conference on Communications and Signal Processing","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115952208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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