Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Raymond L. Pickholtz"'
Publikováno v:
IEEE Wireless Communications. 17:6-15
This article addresses a subject that is ripe for application and is approaching necessity for the continued expansive growth in the use of wireless for broadband multimedia communications. If we carry on business as usual in broadcast, public servic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94e3fea2507028fbe67b3b79b2f10cf4
https://doi.org/10.1109/mwc.2010.5547916
https://doi.org/10.1109/mwc.2010.5547916
Autor:
Raymond L. Pickholtz, I. Stanojev, Umberto Spagnolini, Stefano Savazzi, Yeheskel Bar-Ness, Osvaldo Simeone
Publikováno v:
IEEE Journal on Selected Areas in Communications. 26:203-213
The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource by allowing the coexistence of licensed (primary) and unlicensed (secondary) use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c01095a24c0867f6d7b60ba6609c63ea
https://doi.org/10.1109/jsac.2008.080118
https://doi.org/10.1109/jsac.2008.080118
Publikováno v:
IEEE Journal on Selected Areas in Communications. 22:238-249
In this paper, as part of the adaptive resource allocation and management (ARAM) system (Alagoz, 2001), we propose an adaptive admission control strategy, which is aimed at combating link congestion and compromised channel conditions inherent in mult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96224f79869cf5bbb37ce163e5dc7dfe
https://doi.org/10.1109/jsac.2003.819972
https://doi.org/10.1109/jsac.2003.819972
Publikováno v:
IEEE Communications Magazine. 40:149-157
The SOPRANO project involves a novel adaptive and scalable wireless network architecture utilizing a mixture of cellular and multihop packet radio system topologies with the potential to support a variety of applications including high-data rate Inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91b072d8fbf93d5ec92069d49d27df32
https://doi.org/10.1109/mcom.2002.1007421
https://doi.org/10.1109/mcom.2002.1007421
Publikováno v:
Journal of Communications and Networks. 3:1-9
Two types of decorrelating detectors proposed for a dual rate synchronous DS/CDMA channel are extended to incorporate an array of antennas. The resulting detectors are termed as the array low-rate decorrelator (ALRD) and the array high-rate decorrela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdf0c85b4a099bdb4afd2c3a7eb2bafb
https://doi.org/10.1109/jcn.2001.6596793
https://doi.org/10.1109/jcn.2001.6596793
Publikováno v:
Wireless Networks. 7:269-281
Adaptive rate control, if properly employed, is an effective mechanism to sustain acceptable levels of Quality of Service (QoS) in wireless networks where channel and traffic conditions vary over time. In this paper we present an adaptive rate (sourc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fad04f7abe6b27c880f665178c473a55
https://doi.org/10.1023/a:1016678122925
https://doi.org/10.1023/a:1016678122925
Publikováno v:
Journal of Communications and Networks. 2:1-4
The International Telecommunications Union (ITU) has launched one of its most ambitious projects ever: a federation of systems for third generation mobile telecommunications that will provide wireless access to the global telecommunication infrastruc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00a195dd3a402ff9d3b72760077de42d
https://doi.org/10.1109/jcn.2000.6596607
https://doi.org/10.1109/jcn.2000.6596607
Publikováno v:
Journal of Communications and Networks. 2:76-84
Communication systems, including cell-based mobile communication systems, multiple satellite communication systems or multi-beam satellite systems, require reliable handoff methods between cell-to-cell, satellite-to-satellite or beam-to-beam, respect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3924fe0fa0e5f2ed6bf94a59ba42393a
https://doi.org/10.1109/jcn.2000.6596600
https://doi.org/10.1109/jcn.2000.6596600
Publikováno v:
Journal of Communications and Networks. 1:182-188
The optimal joint maximum-likelihood sequence estimator using an array of antennas is derived for synchronous direct sequence-code division multiple access (DS-CDMA) systems. Each user employs a rate 1/n convolutional code for channel coding for the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18df8a40e38382299927d42632b2ce77
https://doi.org/10.1109/jcn.1999.6596948
https://doi.org/10.1109/jcn.1999.6596948
Publikováno v:
IEEE Transactions on Communications. 46:269-278
Transmitter optimization, in addition to receiver optimization, contributes significantly to efficient interference suppression in multiple access and multipath channels. The system design is based on the joint optimization of the transmitter and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d342b9eec9c003977da415ee0d4accb
https://doi.org/10.1109/26.659485
https://doi.org/10.1109/26.659485