Výsledky vyhledávání - "Hardip K. Shah"

Akademický článek

ON PILOT CONTAMINATION IN MASSIVE MULTIPLE-INPUT MULTIPLE OUTPUT SYSTEM WITH LEAST SQUARE METHOD AND ZERO FORCING RECEIVER

Autor: Joshi Poojaben Hirenkumar, Jignesh N Patel, Hardip K Shah

Publikováno v: ICTACT Journal on Communication Technology, Vol 8, Iss 3, Pp 1547-1552 (2017)

Massive Multiple-Input Multiple-Output (MIMO) wireless communications refers to use of large number of antennas at transmitter and receiver to enhance spectral and energy efficiency. However, its performance is limited by a problem known as pilot con

Externí odkaz: https://doaj.org/article/4bf405ab830944edaab7d2552ba7e0fd

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Cost-Optimized Energy-efficient Power Amplifier for TD-LTE Outdoor Pico Base Station

Autor: Gaurav Dalwadi, Hardip K. Shah, Brijesh Shah, Nikhil Kothari

Publikováno v: IETE Journal of Research. 68:1366-1375

Increasing data capacity requirements in cellular networks have raised the demand of low-cost and energy-efficient small cells to reduce the overall operating cost of the access network. This paper...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f14ffa893ab7c12d1170e14b825a9e60
https://doi.org/10.1080/03772063.2019.1649206

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ENERGY-EFFICIENT LTE ACCESS NETWORK FOR RURAL AND REMOTE AREAS

Autor: Gaurav Dalwadi, Hardip K. Shah, Brijesh Shah, Nikhil Kothari

Publikováno v: Far East Journal of Electronics and Communications. 18:1073-1097

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b010a20508176e467f179671e842bd4
https://doi.org/10.17654/ec018071073

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POWER-EFFICIENT LTE MACRO eNodeB: A COMPREHENSIVE SURVEY

Autor: Gaurav Dalwadi, Brijesh Shah, Nikhil Kothari, Hardip K. Shah

Publikováno v: Telecommunications and Radio Engineering. 77:1441-1462

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93472637761d90cfd369580deb9759d1
https://doi.org/10.1615/telecomradeng.v77.i16.40

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Estimation of azimuth of a macro cell through user data for LTE access network

Autor: Brijesh Shah, Hardip K. Shah, Gaurav Dalwadi, Nikhil Kothari, Rahul Bhasker

Publikováno v: Sādhanā. 44

The number of antennas on a site increases due to a simultaneous deployment of multi-band and multi-mode radios to combat extremely growing data demand in the network. The correct values of physical parameters of antennas, including azimuth, height a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e069d035b4e5c270d67ea8830adab491
https://doi.org/10.1007/s12046-019-1147-4

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Online CQI-based optimization using k -means and machine learning approach under sparse system knowledge

Autor: Gaurav Dalwadi, Anupkumar Pandey, Hardip K. Shah, Nikhil Kothari, Brijesh Shah

Publikováno v: International Journal of Communication Systems. 33:e4200

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a07c0afd27741f432236216530d16537
https://doi.org/10.1002/dac.4200

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Low complexity scheme for carrier frequency offset estimation in orthogonal frequency division multiple access uplink

Autor: Hardip K. Shah, Himanshu B. Soni, Kankar S. Dasgupta

Publikováno v: IET Communications. 7:1405-1411

Maximum likelihood (ML) carrier-frequency offset estimation for orthogonal frequency-division multiple access uplink is a complex multi-parameter estimation problem. The ML approach is a global optima search problem, which is prohibitive for practica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6226683238e5183432ae91e7dd3dcc53
https://doi.org/10.1049/iet-com.2012.0815

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Performance Evaluation of Full Diversity QOSTBC MIMO Systems with Multiple Receive Antenna

Autor: Tejal N. Parmar, K. S. Dasgupt, Nikhil Kothari, Hardip K. Shah

Publikováno v: International Journal of Grid and High Performance Computing. 3:29-38

Multipath fading is inherent in wireless communication systems. Diversity is the technique which takes advantage of multipath to mitigate the effect of fading and increase signal strength. Space Time Block codes (STBC) are used in MIMO systems to imp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c22acf6003b57ec91f65c00dc5aaa0e9
https://doi.org/10.4018/ijghpc.2011100103

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Joint estimation of MCFOs and channels in cooperative communication for LTE-Advanced

Autor: Dhaval A. Khant, Hardip K. Shah

Publikováno v: 2015 International Conference on Communications and Signal Processing (ICCSP).

Cooperative communication is considered as the efficient method in 3GPP LTE-Advanced in terms of coverage prolongation and transmission efficiency. The multiple distributed nodes each by means of its own local oscillator, contributes rise to multiple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbfaa76d350a6e074e52e97a23b2771e
https://doi.org/10.1109/iccsp.2015.7322725

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Carrier frequency offset estimation & compensation in AMC OFDM

Autor: Kankar S. Dasgupta, Himanshu B. Soni, Hardip K. Shah, V. U. Patel

Publikováno v: 2013 International Conference on Intelligent Systems and Signal Processing (ISSP).

Sensitivity to Carrier Frequency Offset (CFO) is a well known issue in Orthogonal Frequency Division Multiplexing (OFDM). The recent wireless standards, which propose OFDM as modulation technique, prefer to use it with Adaptive Modulation and Coding

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc3356d4db4bc3d04aee992382c3df39
https://doi.org/10.1109/issp.2013.6526923

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