نتایج جستجو برای: geographical position
تعداد نتایج: 289208 فیلتر نتایج به سال:
VARIATIONS IN THE TOTAL AND LUMINOUS SOLAR RADIATION WITH GEOGRAPHICAL POSITION IN THE UNITED STATES
Based on a 16S rRNA gene fragment, molecular phylogeny for the genus Odorrana Fei, Ye & Huang, 1990 was reconstructed, validity of poorly-known ranid species O. macrotympana (Yang, 2008) confirmed and its phylogenetic position evaluated. In addition, we report first country record from Myanmar, based our new records Htamanthi Wildlife Sanctuary, Sagaing Division present supplementary de...
|We present an overview of ad-hoc routing protocols that make forwarding decisions based on the geographical position of a packet's destination. Other than the destination's position, each node needs to know only its own position and the position of its one-hop neighbors in order to forward packets. Since it is not necessary to maintain explicit routes, position-based routing does scale well ev...
â publishing geographical journals which is most often carried out by universities and research institutions and by the private sector in the country has an important role in providing scientific achievements and shows the status of the geographical society of the country. it is also one the evaluation tools for the status of articles, authors and how they are being indexed in the citation dat...
We suggest that the proximity of a country to other countries is a factor that affects its choice as an MNE location. We introduce the concept of a country’s proximity to the global distribution of knowledge, markets and resources, and frame this concept as a function of both geographic distance and the worldwide spatial distribution of these factors. We test our location model on a dataset com...
A Mobile Ad-hoc Network is a collection of wireless nodes that cooperatively form a network in the absence of any infrastructure or administration. In this paper we present an overview of position based routing protocols that make forwarding decisions based on geographical position of packet destination. Position based routing protocols need to know only the destination address and the address ...
The Political Economy of Local Cinema, an edited collection contributions from various geographical and theoretical perspectives, illustrates the precarious position what can be considered a ...
Wireless sensor actor networks (WSANs) consist of a large number of resourceconstrained nodes (sensors) and a small number of powerful resource rich nodes (actors). This paper investigates the case where sensors are organized into clusters and mobile actors are used for maintaining an energy efficient topology by periodically manipulating their geographical position. We present an elegant techn...
Position aided routing protocols can offer a significant performance increase over traditional ad hoc routing protocols. These routing protocols use geographical information to make forwarding decisions, resulting in a significant reduction in the number of routing messages. However, current position aided routing protocols were not designed for use in high-risk environments, as position inform...
In this paper, we analyze energy-aware geographical routing protocols with different parameters in wireless sensor networks. Geographic routing is a forwarding protocol that relies on geographic-position information. It is an on-demand type of routing that uses a “greedy” forwarding approach, in which a sensor node forwards a packet to a neighbor closest to the destination node. We study, throu...
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