supported in part by the National 973 Program of China (2011CB301700);the National 863 Program of China (2013AA014402);the National Natural Science Foundation of China (NSFC)(61127016,61107041,and 61422508);the Specialized Research Fund for the Doctoral Program of Higher Education of Ministry of Education (20130073130005)
We demonstrate binary phase shift keying(BPSK) modulation using a silicon Mach–Zehnder modulator with aπ-phase-shift voltage(Vπ) of-4.5 V.The single-drive push–pull traveling wave electrode has been optimized usin...
supported by the National Basic Research Program of China(No.2010CB327502)
A W-band frequency doubler MMIC is designed and fabricated using 1-μm InP DHBT technology. Ac tive halun is employed to transform the single-ended signal into differential output. Push-push configuration loaded with ...
This work is supported by the National Science Foundation for Distinguished Young Scholars (No.60525110), the National Basic Research Program of China (973 Program) (No.2007CB307100, No.2007CB307103), the National Natural Science Foundation of China (No.61072057, No.60902051), the Fundamental Research Funds for the Central Universities (No.BUPT2009RC0505) and the National Key Science and Technology Specific Project of China (No.2011ZX03002-001-01, No.2011ZX03002-002-01).
With the fast progress of Collaborative multimedia application (CMA) running on overlay net- work, Push to talk over cellular (PoC) attracts signifi- cant interest in the field of mobile cellular communications. P...
为了对IP多媒体子系统平台的push to talk over cellular(PoC)-4接口real-time transport protocol媒体流量进行优化,对open mobile alliance提出的媒体流传输机制及其优化机制进行了分析,并提出了改进的优化机制.新机制通过增强partici...