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A novel kind of dual-band microstrip patch antenna is presented in this paper. We obtained dual-band operation by embedding a pair of L-shaped slots. It is easy to adjust the higher and the lower band by changing the parameters of the antenna, respectively. The proposed antenna can satisfy WLAN greatly
In this paper, an extended AM-FM MWOL model in the context of WLAN interference management is discussed. The MWOL model incorporates the frequency wander effect, which has not been addressed in the existing MWO models. The simulation result provided by this model match real measurements quite well. The MWOL envelope may change considerably when received at different WLAN channels. The results from...
A full monolithic low-phase-noise wide-tuning-range voltage-control-oscillator (VCO) designed for a dual-band homodyne transceiver for WLAN applications is presented in this paper. The circuit is designed and implemented in a commercial 0.35 SiGe BiCMOS process. MOS varactor is used to realize a wide tuning range. Measured VCO circuit specifications feature a 440 MHz tuning range around 2.45 GHz,...
A combined WLAN (wireless local area network) and RFID (radio frequency identification) system and its application in joint total asset visibility (JTAV) are studied. The working principle, choices of working frequencies and terminal roaming of this system as well as smart storage and in-transit visibility (ITV) of JTAV are discussed. The application of such JTAV in Qingxin County of Guangdong Province...
A dual-band printed T-shaped planar antenna fed by coplanar waveguide (CPW) is designed. The printed T-shaped antenna is comprised of two horizontal arms of different lengths and an L-shaped shorted strip which connects between the vertical arm and the ground plane. A prototype of the proposed antenna with sufficient bandwidth in the 1.8, and 2.4 GHz for DCS/PCS, and IEEE 802.11b systems respectively...
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