In this paper, an objective function based on the profit of actual use for spectrum allocation is modeled, and a requirement-based short-time handoff algorithm between CR users in order to make full use of the CR users’ surplus spectrum resource is proposed. Simulation results show that the algorithm makes effective use of surplus assignment, improves the profit of actual use, and has the super...

Methyl groups provide an important source of structural and dynamic information in NMR studies of proteins and their complexes. For this purpose sequence-specific assignments of methyl 1H and 13C resonances are required. In this paper we propose the use of 13C-detected 3D HN(CA)C and HMCMC experiments for assignment of methyl 1H and 13C resonances using a single selectively methyl protonated, p...

. The considered problem of routing and spectrum assignment (RSA) takes into consideration minimizing the length of the transmission distance under spectrum continuity constraints and the relationship between the traffic bitrates and the spectrum bandwidth. The proposed algorithms constitute modifications of the well-known Dijkstra's algorithm. The obtained results show that a significant reduc...

In this paper a heuristic algorithm for finding an optical path in elastic optical path networks is proposed. The proposed algorithm for connection requests finds a spectrum required from an aggregated spectrum of the path belonging to a set of shortest paths measured by the number of links. It has been shown that the proposed algorithm rejects definitely fewer connection requests than the well...

One of today’s most important developing wireless technologies is Cognitive Radio (CR). In our current fixed-assignment spectrum management policy, much of the available frequencies go unused. CR aims to make use of this unutilized space to provide wireless broadband services. This paper aims to give a background to CR and describe the key players in standardization and allocation of the unused...

A new high-temperature pulsed slit jet source has enabled the first observation of a rotationally resolved vibrational spectrum of a nucleotide base. The spectrum, centered at 1703.888 cm, has been assigned to the fundamental out-of-phase mixed carbonyl stretching vibration of the diketo tautomer of uracil, clarifying an ambiguous assignment from low-resolution studies. © 1995 American Institut...

rapid urban growth is resulting into increase in travel demand and private vehicle ownership in urban areas. in the present scenario the existing infrastructure has failed to match the demand that leads to traffic congestion, vehicular pollution and accidents. with traffic congestion augmentation on the road, delay of commuters has increased and reliability of road network has decreased. four s...

If the narrow exotic baryon resonances Θ+(1540) and Ξ 3 2 (1862) are members of the JP = 12 + antidecuplet with N∗(1710), the octet-antidecuplet mixing is required not only by the mass spectrum but also by the decay pattern of N∗(1710). This casts doubt on validity of the Θ+ mass prediction by the chiral soliton model. While all pieces of the existing experimental information point to a small o...

Many detailed studies ranging from networking to hardware as well as standardization activities over the last few years have advanced the performance of the elastic optical network. Thanks to these intensive works, the elastic optical network has been becoming feasible. This paper reviews the recent advances in the elastic optical network from the aspects of networking technology and hardware d...

Brushite, CaHPO4·2H2O, is a crystalline hydrated acidic form of calcium phosphate that occurs in both physiological and pathological biomineralization processes. Additionally, it is biocompatible in humans. Several groups have investigated the experimental Fourier transform infrared vibrational spectrum of brushite. These investigations have led to a longstanding debate concerning the correct a...