Abstract.A novel compact four concentric rectangular rings slot broadband microstrip antenna is proposed for mobile handsets in the paper. The antenna has a circular radiator with four concentric rectangular rings slot structure. The antenna can cover more than ten mobile applications with -10dB bandwidth of 88.7% (1.6-4
A planar monopole antenna having small-size, dielectric-loaded yet providing two bands for covering the seven-band LTE/GSM/UMTS/WLAN operation in the mobile phone is presented in this letter. The small-size yet wide band operation is achieved by adjusting the locations of antenna and RF Ground; the antenna is covered by a thin FR4 layer which gives a shorter guided wavelength and wider band-width for each resonant mode to achieve antenna size reduction. The occupied volume of the antenna is only 20×18 2 mm . The proposed antenna is suitable for slim mobile phone applications.
Abstract.A novel compact triangular slot array multi-broadband planar antenna is proposed for mobile handsets in the paper. The antenna has an inverted triangle structure radiator with fourteen units triangular slot array and coplanar waveguide (CPW) feed structure. The antenna can cover more than ten mobile applications in three broad-bands with -10dB bandwidth of 69.57% (0.613-1
The coverage and capacity of high speed data service in coal mine hot spots is not sufficient in present TD-SCDMA communication system. This paper proposes a TD-SCDMA & Wi-Fi network interworking solution , utilizing the high speed data transport of Wi-Fi network on the foundation of TD-SCDMA system. The results show that the solution is feasible and effective .
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