نتایج جستجو برای: nodes signal

تعداد نتایج: 542045  

Journal: :CoRR 2011
Hakob Aslanyan

Abstract: Interference minimization problem in wireless sensor and ad-hoc networks is considered. That is to assign a transmission power to each node of a network such that the network is connected and at the same time the maximum of accumulated signal straight on network nodes is minimum. Previous works on interference minimization in wireless networks mainly consider the disk graph model of n...

Journal: :AJNR. American journal of neuroradiology 1994
P M Som M Brandwein M Lidov W Lawson H F Biller

PURPOSE To review the varied presentations of metastatic cervical lymph node disease in patients with papillary thyroid carcinoma. METHODS Thirteen cases were retrospectively collected and their clinical, imaging, surgical, and pathologic material was reviewed. In the cases reviewed there was no clinical or imaging evidence of a primary thyroid mass. RESULTS On CT, metastatic nodes can have...

Journal: :J. Applied Probability 2014
Rahul Vaze Srikanth K. Iyer

We consider a continuum percolation model consisting of two types of nodes, namely legitimate and eavesdropper nodes, distributed according to independent Poisson point processes (PPPs) in R2 of intensities λ and λE respectively. A directed edge from one legitimate node A to another legitimate node B exists provided the strength of the signal transmitted from node A that is received at node B i...

2016
Muamer N. Mohammed Nassir S. Kadhim Waleed Kh. Ahmed

In recent years, Mobile Ad-hoc Networks (MANETs) is one of the popular research areas due to low cost to employ the network, self-organization, freedom of location, and no base stations. Broadcast and data aggregation are crucial operations in MANETs. Due to the high mobility of nodes and the transmission distance, nodes may change their positions rapidly and thus not only change the network to...

Journal: :EURASIP J. Wireless Comm. and Networking 2010
Aditya Umbu Tana Amah Anja Klein

We propose non-regenerative multi-way relaying where a half-duplex multi-antenna relay station (RS) assists multiple singleantenna nodes to communicate with each other. The required number of communication phases is equal to the number of the nodes, N. There are only one multiple-access phase, where the nodes transmit simultaneously to the RS, and N − 1 broadcast (BC) phases. Two transmission m...

The notion of strong arcs in a fuzzy graph was introduced byBhutani and Rosenfeld in [1] and fuzzy end nodes in the subsequent paper[2] using the concept of strong arcs. In Mordeson and Yao [7], the notion of“degrees” for concepts fuzzified from graph theory were defined and studied.In this note, we discuss degrees for fuzzy end nodes and study further someproperties of fuzzy end nodes and fuzz...

Journal: :iranian journal of cancer prevention 0
amin shafizad dept. of radiation oncology, hormozgan university of medical sciences, bandar abbas, iran mohammad mohammadianpanah dept. of radiation oncology, shiraz university of medical sciences, shiraz, iran hamid nasrolahi dept. of radiation oncology, shiraz university of medical sciences, shiraz, iran maral mokhtari dept. of pathology, shiraz university of medical sciences, shiraz, iran seyed abdolah mousavi dept. of pathology, hormozgan university of medical sciences, bandar abbas, iran

the gastrointestinal stromal tumor (gist) is a rare mesenchymal tumor of gastrointestinal (gi) tract. this tumor has tendency to liver metastasis and peritoneal recurrence, however; the primarily lymph node involvement or metastasis is rare. here we reported a 17-years-old girl with multifocal gastric gist and multiple lymph node involvement at presentation and recurrence in celiac lymph nodes....

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