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Cooperative communication can get diversity gain by taking advantage of wireless broadcasting property. But the co-channel interference restricts its performance in multi-hop wireless network. This paper adopts the multi-radio multi-channel technique to fully exploit benefits of cooperative communication. To minimize network power consumption as well as guaranteeing necessary bandwidth for flows,...
In this article, the ability of a single layer printed modified folded asymmetric dipole antenna, which is composed of two asymmetric radiated loops (there are slotted ground-trace in each loop) and asymmetric feeding structure, to operate at three wide frequency bands (2300∼2690MHz, 3000∼3600MHz and 4900∼6000MHz) to cover WLAN and LTE operation has been demonstrated. A prototype of the proposed antenna...
A novel, dual-mode planar circularly polarized (CP) antenna with an end-fire radiation beam in parallel with its plane is proposed and numerically investigated. The antenna consists of an aperture and a printed dipole. A pair of stubs are unilaterally loaded along the dipole, and used to generate a dual-mode radiation characteristic. As simulated, it is observed that the impedance bandwidth (20log|S11|...
In this paper, we present an informed prefetching technique called IPODS that makes use of application-disclosed access patterns to prefetch hinted blocks in distributed multi-level storage systems. We develop a prefetching pipeline in IPODS, where an informed prefetching process is divided into a set of independent prefetching steps among multiple storage levels in a distributed system. In the IPODS...
A differential dual-band antenna-in-package (AiP) with multilayer structure is proposed. Compared to the normal antenna, the introduced package structure changes the impedance of the antenna, such that the new resonant frequency is excited. Then, a dual-band antenna is realized. Also, in order to improve the radiation pattern in higher band, two symmetrical T-shaped slots are etched on the patch....
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