نتایج جستجو برای: mobile units

تعداد نتایج: 340040  

1997
G. Lachapelle

Resolution of carrier phase ambiguities on the fly (OTF) using a pair (monitor/remote) of single frequency receivers is difficult to achieve reliably in an operational environment due to the unfavorable ratio between carrier phase noise and multipath on the one hand, and the 19 cm wavelength of the Ll carrier on the other hand. The use of the 86 cm wavelength widelane carrier is much more effec...

2002
Hongbin Cai Daniel Treisman

Many political economists believe that competition among countries—or regions within them—to attract mobile capital should discipline their governments, rendering them less corrupt and more friendly toward business. This argument surfaces repeatedly in debates over both political decentralization and globalization. We argue that it is based on an assumption— countries or regions start out ident...

Journal: :MONET 2016
Jose Oscar Fajardo Fidel Liberal Ioannis Giannoulakis Emmanouil Kafetzakis Vincenzo Pii Irena Trajkovska Thomas Michael Bohnert Leonardo Goratti Roberto Riggio Javier Garcia Lloreda Pouria Sayyad Khodashenas Michele Paolino Pavel Bliznakov Jordi Pérez-Romero Claudio Meani Ioannis P. Chochliouros Maria Belesioti

Current trends in broadband mobile networks are addressed towards the placement of different capabilities at the edge of the mobile network in a centralised way. On one hand, the split of the eNB between baseband processing units and remote radio headers makes it possible to process some of the protocols in centralised premises, likely with virtualised resources. On the other hand, mobile edge ...

Journal: :EURASIP J. Wireless Comm. and Networking 2011
Joo-Yul Park Ki-Seok Chung

Digital mobile communication technologies, such as next generation mobile communication and mobile TV, are rapidly advancing. Hardware designs to provide baseband processing of new protocol standards are being actively attempted, because of concurrently emerging multiple standards and diverse needs on device functions, hardwareonly implementation may have reached a limit. To overcome this chall...

2005
Ediana Sutjiredjeki Soegijardjo Soegijoko

This paper describes the development of ICT-Based Mobile Telemedicine system with multi communication links for both urban and rural areas in Indonesia. The mobile telemedicine system is particularly needed in many remote and underserved areas in Indonesia, such as Sukabumi. The system has two main units, namely a Mobile telemedicine unit (patient side) and a base unit ( doctors side). Data tra...

1995
Ravi Prakash Mukesh Singhal

Mobile computers use wireless channels to communicate with other computers. Ef-cient channel allocation is at the heart of the design of an eecient mobile computing system. The nite number of channels should be eeciently allocated to maximize throughput and avoid co-channel interference. Temporal variations in channel demand require channel allocation to adapt dynamically to the changing demand...

1996
Ravi Prakash Mukesh Singhal

Mobile computers use wireless channels to communicate with other computers. Ef-cient channel allocation is at the heart of an eecient mobile computing system. The nite number of channels should be eeciently allocated to maximize throughput and to avoid co-channel interference. Temporal variations in channel demand (load) require channel allocation to adapt dynamically to the changing demand. Th...

Journal: :Accident; analysis and prevention 2004
Christopher J D Patten Albert Kircher Joakim Ostlund Lena Nilsson

Driver distraction is recognized as being one of the central causes of road traffic incidents and mobile telephones are tangible devices (among many other electronic devices) that can distract the driver through changes in workload. Forty participants completed a motorway route characterized by a low level of road complexity in the form of vehicle handling and information processing. A peripher...

Journal: :CoRR 2017
Patricia Binder Michael Muma Abdelhak M. Zoubir

Distributed signal processing for wireless sensor networks enables that different devices cooperate to solve different signal processing tasks. A crucial first step is to answer the question: who observes what? Recently, several distributed algorithms have been proposed, which frame the signal/object labelling problem in terms of cluster analysis after extracting sourcespecific features, howeve...

Journal: :IEEE Trans. Knowl. Data Eng. 2003
Ming-Syan Chen Kun-Lung Wu Philip S. Yu

Energy saving is one of the most important issues in wireless mobile computing. Among others, one viable approach to achieving energy saving is to use an indexed data organization to broadcast data over wireless channels to mobile units. Using indexed broadcasting, mobile units can be guided to the data of interest efficiently and only need to be actively listening to the broadcasting channel w...

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