Zobrazeno 1 - 10
of 307
pro vyhledávání: '"Carrier interferometry"'
Publikováno v:
IEEE Transactions on Vehicular Technology. 69:9469-9482
In this paper, we propose a parallel concatenated index modulation and $M$ -ary phase shift keying (MPSK) to integrate with carrier interferometry (CI) codes into the orthogonal frequency division multiplex (OFDM) differential chaotic shift keying (D
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2004, Iss 2, Pp 374-379 (2004)
This paper addresses signal compactness issues in MC-CDMA employing carrier interferometry codes using the measure of crest factor (CF). Carrier interferometry codes, applied to N -carrier MC-CDMA systems, enable 2N users to simultaneously share the
Externí odkaz:
https://doaj.org/article/15e705a60c14452c990c5b4fa1090ff5
Autor:
Lin Zhang, Huaiyin Lu
Publikováno v:
IEEE Systems Journal. 13:2555-2558
In this paper, we present a carrier interferometry-aided chaotic orthogonal frequency division multiplex system for secure information transmissions over wireless channels, with an aim to address the performance degradation issues induced by the impe
Autor:
Cebrail Ciflikli, Bilgin Yazlik
Publikováno v:
Universal Journal of Mechanical Engineering. 7:240-246
In a wireless communication system, cooperative diversity can be used to combat fading effects. In cooperative diversity, the system uses idle antennas, which are located at different locations, as relays. Cooperative communication with OFDM is widel
Publikováno v:
IEEE Transactions on Vehicular Technology. 68:3655-3671
In this paper, we propose two groups of recursive codes, namely the Hadamard recursive carrier interferometry (HRCI) codes and diagonal recursive carrier interferometry (DRCI) codes, to simultaneously reduce the peak-to-average power ratio (PAPR) and
Autor:
Akash Agarwal, Preetam Kumar
Publikováno v:
IET Communications. 13:786-795
In this study, the exact closed-form signal-to-interference-noise ratio (SINR) expression, for the impact of Doppler frequency shift on minimum mean square error receiver is derived for Walsh Hadamard (WH) and polyphase carrier interferometry (CI) co
Autor:
Cebrail Ciflikli, Bilgin Yazlik
Publikováno v:
Proceedings of the 2020 2nd International Conference on Information Technology and Computer Communications.
Cooperative diversity has spatial diversity effects on wireless communication systems to combat fading effects by using idle antennas as relays which are already located in the system. OFDM based cooperative communication is widely used in wireless c
Publikováno v:
IEEE Communications Letters. 22:1588-1591
The multi-carrier aided non-coherent differential chaos shift keying (DCSK) modulated systems suffer from high peak-to-average power ratio (PAPR) due to the summations of multiple modulated signals. In this letter, we present a carrier interferometry
Autor:
Rakesh Palisetty, Kailash Chandra Ray
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 67:538-546
The narrow-band-IoT and other higher standards require efficient multiple access schemes that allow more number of users using variable rates to achieve a low peak-to-average power ratio (PAPR) and resistance against deep fades. In this paper, a mult
Autor:
Vinay Kumar Trivedi, Preetam Kumar
Publikováno v:
Wireless Personal Communications. 95:4747-4762
Underwater acoustic (UWA) communication suffers from large propagation delays, limited bandwidth, frequency dependent attenuation and severe multipath fading. Low power consumption, acceptable bit error rate and minimal complexity are three critical