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LTE License-Assisted Access (LTE-LAA) in unlicensed spectrum has drawn a lot of attention due to its appealing data traffic offloading potential. However, the coexistence of LTE and WiFi technologies in the same unlicensed bands needs careful design to avoid severe interference between them. In this paper, we propose a coexistence scheme to create opportunities for LTE-LAA small cells and WiFi devices...
In a heterogeneous wireless network consisting of macrocells and femtocells, it is important for mobile terminals to decide appropriate cell associations when both radio access technologies (RATs) are available. This problem is also known as network selection. Nowadays mobile users are distinct in terms of quality of service (QoS) demand, moving speed and other service preferences, while the conventional...
An increasing trend in many safety-critical embedded system is to integrate multiple functional components into a shared hardware platform for better cost and power efficiency. This mixed criticality system offers challenges both for static schedulability analysis and run-time monitoring. In prior works, many papers studied the response-time analysis (RTA) scheduling of mixed criticality systems with...
Under the new DS/FH hybrid spread spectrum signal system, the measurement performance with the interference is presented. The DS/FH system model was established, and analyse the characteristics of three kinds of interference signal, which are partial-band noise jamming (PBNJ). wide-band noise jamming (WBNJ) and additive white gaussian noise(AWGN). The performance of different tracking loops is analyzed...
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