Zobrazeno 1 - 10
of 31
pro vyhledávání: '"John M Graybeal"'
Autor:
Kamakshi Sridhar, John M. Graybeal
Publikováno v:
Bell Labs Technical Journal. 15:5-18
The promise of Long Term Evolution (LTE) is its ability to deliver high data rates with the high quality of service (QoS) needed for a variety of applications without extensive operational overhead. To this end, self-optimizing networks (SONs) provid
Autor:
Arumugam Buvaneswari, David A. James, Diane Lambert, Chuanhai Liu, John M. Graybeal, Michael MacDonald
Publikováno v:
Technometrics. 49:305-317
A wireless call in a cellular network requires the cooperation of a wireless enabled device such as a cell phone and a dynamic set of base stations, antennas, and other network elements, with control of the call changing in response to changes in sig
Autor:
David Abusch-Magder, John M. Graybeal
Publikováno v:
Bell Labs Technical Journal. 10:81-98
The ability to design and optimize a wireless network is critical to equipment and networking service providers such as Lucent Technologies. To compete successfully, network designers must understand the tradeoffs between network coverage, capacity,
Autor:
Paul Anthony Polakos, Lawrence Drabeck, J. Srinivasan, Lu Zhang, John M. Graybeal, J.D. Hobby, George E. Rittenhouse, Georg Hampel, D. Abush-Magder, A. Diaz, M. MacDonald, M.J. Flanagan, H. Trickey
Publikováno v:
IEEE Communications Magazine. 43:S14-S21
With the evolution of wireless technologies, the optimization process for the radio access network has undergone a dramatic increase in complexity. This trend is driven by the introduction of multiple objectives for packet data services, the increasi
Publikováno v:
Bell Labs Technical Journal, 8(2), 33-47. Wiley
Third-generation (3G) wireless systems such as 3G1X, 1×EV-DO, and 1xEV-DV provide support for a variety of high-speed data applications. The success of these services critically relies on the capability to ensure an adequate quality of service (QoS)
Autor:
Raymond K Reichwein, Kathy J Morrison, Vernon M Chinchilli, John M Graybeal, Julie M Vonhauser, Xue Feng, David C Good
Publikováno v:
Stroke. 45
Background: The Post Stroke Checklist (PSC) is an easily administered, recently developed clinical tool to identify unmet needs in stroke patients. The relative value of the PSC compared to other outcome measures has yet to be determined. Method: We
Autor:
Kathy Morrison, Raymond K Reichwein, Vernon M Chinchilli, John M Graybeal, Julie M Vonhauser, Xue Feng, David C Good
Publikováno v:
Stroke. 45
Background: Stroke care often focuses on acute intervention and treatment, but important long-term sequelae are sometimes overlooked and may not be captured in standard outcome measures. The Post Stroke Checklist (PSC) is a simple tool recently devel
Autor:
Garfield B. Russell, John M. Graybeal
Publikováno v:
Canadian Journal of Anaesthesia. 45:466-470
To test the hypothesis that the MAC values of nitrous oxide (N2O) and isoflurane were not linearly additive, as theorized by the postulated mode of action based on lipid solubility, in a rat model.Eight Long Evans rats were randomly assigned to order
Publikováno v:
SPINE. 19:2632-2636
STUDY DESIGN: A prospective laboratory study was performed in a rat model. OBJECTIVES: To test the hypothesis that neurogenic motor-evoked potentials are more resistant to suppressive changes from the volatile anesthetic isoflurane than cortically re
Autor:
G. B. Russell, John M. Graybeal
Publikováno v:
The Journal of Trauma: Injury, Infection, and Critical Care. 36:317-322
The accuracy and reliability of the relationship between arterial and end-tidal carbon dioxide (PETCO2 and PaCO2), expressed as the gradient, P(a-ET)CO2, was assessed with 171 comparisons in nine mechanically ventilated trauma patients. The P(a-ET)CO