Zobrazeno 1 - 10
of 43
pro vyhledávání: '"S. Shambayati"'
Autor:
S. Shambayati
Publikováno v:
Proceedings of the IEEE. 95:2171-2179
Future NASA missions such as the Lunar Reconnaissance Orbiter, Kepler, James Webb Space Telescope, and Space Interferometry Mission will use Ka-band frequencies (26.5- and 32-GHz bands) for their primary science downlink instead of X-band frequencies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27b15cf2e3e205664daf9dc60bf083d0
https://doi.org/10.1109/jproc.2007.905136
https://doi.org/10.1109/jproc.2007.905136
Publikováno v:
Proceedings of the IEEE. 92:1879-1894
During the last 40 years, deep space radio communication systems have experienced a move toward shorter wavelengths. In the 1960s, a transition from L- to S-band occurred, which was followed by a transition from S- to X-band in the 1970s. Both these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d03f3ea6defe026ddd41605bb9e6971
https://doi.org/10.1109/jproc.2004.837613
https://doi.org/10.1109/jproc.2004.837613
Publikováno v:
IEEE Transactions on Antennas and Propagation. 51:201-219
Interplanetary spacecraft, which fly in the ecliptic plane, typically encounter solar conjunctions during their main missions. The communications link between an interplanetary spacecraft and Earth is affected by the charged particles that constitute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d345ee9994b04c3383ceb83ea7d02409
https://doi.org/10.1109/tap.2003.809055
https://doi.org/10.1109/tap.2003.809055
Publikováno v:
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720).
The threshold performance of deep-space telemetry is characterized for four turbo codes. The mathematical models given here are based on simulations that account for imperfect carrier synchronization. These models are valid for coherent detection of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ea5511e5939455117dc865182fea1bd
https://doi.org/10.1109/aero.2004.1367925
https://doi.org/10.1109/aero.2004.1367925
Publikováno v:
MILCOM 2005 - 2005 IEEE Military Communications Conference.
A hybrid forward error correction (FEC)/automatic repeat request (ARQ) has been considered as a mechanism for providing reliable communication between NASA orbiters and landers at the planet Mars. On such a link it is proposed to use a family of capa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86a44d0e03972acf45e4534de8754660
https://doi.org/10.1109/milcom.2005.1606163
https://doi.org/10.1109/milcom.2005.1606163
Autor:
Izhak Rubin, S. Shambayati
Publikováno v:
[Conference Record] GLOBECOM '92 - Communications for Global Users: IEEE.
A method for design and analysis of wireless cells using reservation random access (RRA) schemes for packet access control integrated with a call admission control procedure is presented. The state process of the system is modeled as a vector Markov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90c62e08279d98de77ded0915603c1b8
https://doi.org/10.1109/glocom.1992.276528
https://doi.org/10.1109/glocom.1992.276528
Autor:
S. Shambayati, Izhak Rubin
Publikováno v:
WCNC
Consider an area, such as a shopping mall, which is covered by a network of micro-cells. Assume a user entering this area to have a packet that he wishes to transmit during his/her residence time in the area. The user spends a limited period of time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bbee731229f63273c9a35ecb832e1d2
https://doi.org/10.1109/wcnc.2000.903943
https://doi.org/10.1109/wcnc.2000.903943
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