Results 251 to 260 of about 244,698 (338)

Built-environment correlates of physical activity in youth with multiple sclerosis. [PDF]

Mult Scler
Kumari S, Stephens S, Yoo PY, Arbour-Nicitopoulos KP, Feldman BM, Finlayson ML, Marrie RA, Motl R, To T, Yeh EA.   +9 more
europepmc   +1 more source

Demographics and Geographic Accessibility of Invasive Fungal Infection Clinical Trial Sites.

JAMA Netw Open
Li LX, Xue J, Kates OS, Avery RK, Zhang SX, Baddley JW, Durand CM, Permpalung N.   +7 more
europepmc   +1 more source

Chronic Conditions and Mortality in Medicare Beneficiaries Before and After the COVID-19 Pandemic.

JAMA Netw Open
Waken RJ, Wang F, Figueroa JF, Wadhera RK, Avula K, Orav EJ, Mobley Butler A, Joynt Maddox KE.   +7 more
europepmc   +1 more source

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Optical Code Division Multiple Access

Optics and Photonics News, 2003
Code division multiple access (CDMA) allows multiple users access to limited-bandwidth networks. The Defense Advanced Research Projects Agency has launched an ambitious program aimed at demonstrating technology for an advanced network based on optical CDMA.
exaly   +2 more sources

Iterative detection in code‐division multiple‐access with error control coding

European Transactions on Telecommunications, 1998
AbstractA code‐division multiple‐access system with channel coding may be viewed as a serially‐concatenated coded system. In this paper we propose a low complexity method for decoding the resulting inner code (due to the spreading sequence), which allows iterative (turbo) decoding of the serially‐concatenated code pair.
Paul D. Alexander, Alex J. Grant, Mark C. Reed   +2 more
openaire   +2 more sources

Code division multiple-access techniques in optical fiber networks. I. Fundamental principles

IEEE Transactions on Communications, 1989
Jawad A Salehi
exaly   +2 more sources

Code Division Multiple Access Communications

, 1995
1: Introduction. The Evolution of Spread Spectrum Multiple-Access Communications R.A. Scholtz. 2: Information Theory & Spread Spectrum. Towards an Information Theory of Spread Spectrum Systems J.L. Massey. Performance Limits of Error Correcting Coding in Multi-Cellular CDMA Systems With and Without Interference Cancellation A.J. Viterbi.
Leppänen, Pentti A., Glisic, Savo G.
openaire   +2 more sources

Multistage detection in asynchronous code-division multiple-access communications

IEEE Transactions on Communications, 1990
M K Varanasi, B Aazhang
exaly   +2 more sources

Performance Analysis of Random Access Packet-Switched Code Division Multiple Access Systems

IRE Transactions on Communications Systems, 1981
D Raychaudhuri
exaly   +2 more sources