Zobrazeno 1 - 10
of 768
pro vyhledávání: '"CDMA spectral efficiency"'
Publikováno v:
IEEE Transactions on Vehicular Technology. 67:8154-8168
Heterogeneous cellular network is considered as an important network architecture to improve spectral efficiency and energy efficiency. Extensive research has revealed that spectral efficiency and energy efficiency could be two conflicting performanc
Publikováno v:
Wireless Personal Communications. 96:4595-4611
The mean spectral efficiency of the uplink of MC-CDMA cellular systems is evaluated. The complete system employs the multicarrier-code division multiple access (MC-CDMA) technique, a linear antenna array at the base stations, frequency interleaving,
Autor:
Zaid Albataineh, Fathi M. Salem
Publikováno v:
Circuits, Systems, and Signal Processing. 36:3320-3348
Code division multiple access (CDMA) is a channel access method adopted by various radio technologies worldwide. In particular, CDMA is used as an access method in many mobile standards such as CDMA2000 and WCDMA. We address the problem of blind mult
Publikováno v:
International Journal of Multimedia and Ubiquitous Engineering. 11:131-146
In cellular networks, the application of device-to-device (D2D) technology can effectively improve the system spectral efficiency. In order to research the performance of D2D communication in multi-cell cellular system, this paper proposed a dynamic
Publikováno v:
IEEE Transactions on Vehicular Technology. 65:3389-3400
The mobile femtocell (MFemtocell) is a new concept that has been recently proposed to be a potential wireless communication technology for next-generation cellular systems. The essence of MFemtocell lies in adopting the femtocell technology inside ve
Publikováno v:
IEEE Transactions on Communications. 64:1291-1302
In this paper, we investigate a spectrum refarming system where an OFDMA system shares the licensed band of a CDMA system. Both systems share the same cell site, but each has different base station (BS) antennas. Joint resource allocation problem is
Publikováno v:
Scopus-Elsevier
Autor:
Peter A. Schulz, Thomas H. Shake
Publikováno v:
Optical Code Division Multiple Access ISBN: 9781315221113
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08da2b0b642fa65cc59f893ec4750566
https://doi.org/10.1201/9781315221113-9
https://doi.org/10.1201/9781315221113-9
Publikováno v:
International Journal of Future Generation Communication and Networking. 8:1-12
A new CDMA system which uses fractional chip shift expanded generalized complementary orthogonal code groups as spectrum spreading code sequences and offer high spectral efficiency is introduced in the paper. This new CDMA system is totally different
Autor:
S. Lenty Stuwart, S. Tamil Selvi
Publikováno v:
IET Communications. 9:1924-1931
Code division multiple access (CDMA) based on spread spectrum technique has become one of the most important multiple access technologies in contemporary communication systems. The properties of spreading codes largely govern the performance of CDMA