The goal of this demo is to introduce OpenVLC, a flexible software-defined platform for research on Visible Light Communication (VLC) networks. Built around a cost-effective embedded Linux platform with an LED front end, OpenVLC offers a set of essential physical layer (PHY) and medium access control (MAC) primitives, as well as an interface to Internet protocols. OpenVLC makes it possible to e...

The BRST transformations for the Yang-Mills gauge fields in the presence of gravity with torsion are discussed by using the so-called Maurer-Cartan horizontality conditions. With the help of an operator δ which allows to decompose the exterior spacetime derivative as a BRST commutator we solve the Wess-Zumino consistency condition corresponding to invariant Chern-Simons terms and gauge anomalie...

Lbnited information is available on the status of perlWon within hemle dystuactional segments at predischarge and on its influence on late regional and global hactiond recovery . Me . Twenty patients with acute my infarction were selected for the study. nit the following inclusion I) single-vessel coronary artery disease; 2) patency of -related artery with t c dysfunctional notents at predise ;...

We study the ultraviolet and the infrared behavior of 2D topological BF-Theory coupled to vector and scalar fields. This model is equivalent to 2D gravity coupled to topological matter. Using techniques of the algebraic renormalization program we show that this model is anomaly free and ultraviolet as well as infrared finite at all orders of perturbation theory. Work supported in part by the “F...

This work describes the simulation under the Simulink environment of Matlab of an IEEE802.16 complete transmitter/receiver chain. Because of its superior performance the WirelessMAN OFDM 256 PHY layer is the most implemented in WiMAX compliant devices. The first part of the paper concerns the validation of a transmitter model using that PHY layer while the second part of the article deals with ...

prosthesis model based on CT scans; A detailed acetabular cup is shown at bottom right; A coordinate system and anatomical frontal pelvic plane on the 3D model are shown at bottom left. ASISs are marked black, PTs are in green, and the points on the cup rim are in red. A COMPARISON OF THE CONVENTIONAL (MANUAL) AND A COMPUTER-ASSISTED NAVIGATION METHOD IN TOTAL HIP ARTHROPLASTY (THA) Wixson, R.L...

This standard specifies the air interface of fixed broadband wireless access (BWA) systems supporting multimedia services. The medium access control layer (MAC) supports a primarily point-to-multipoint architecture, with an optional mesh topology. The MAC is structured to support multiple physical layer (PHY) specifications, each suited to a particular operational environment. For operational f...

We isolate logarithmic divergences from bosonic string amplitudes on a disc. These divergences are compared with “tadpole” divergences in the effective field theory with a covariant cosmological term implied by the counting of string coupling constants. We find an inconsistency between the two. This is a serious problem which could undermine the ability to remove divergences from the bosonic st...

We present a model for supersymmetric Yang-Mills theory in 10+2 dimensions. Our construction uses a constant null vector, and leads to a consistent set of field equations and constraints. The model is invariant under generalized translations and an extra gauge transformation. Ordinary dimensional reduction to ten dimensions yields the usual supersymmetric Yang-Mills equations, while dimensional...

In this study, we developed a 5th generation mobile communication (5G) physical layer (PHY) experimental platform based on software-defined radio (SDR), which makes it easy to customize the transmission and reception process. The consists of an SDR-based transmitter receiver. Digital baseband processing is performed using internal software-based programs. Therefore, can be used evaluate wireles...