Title :
Microcell and picocell base station internal antennas
Author :
Smith, M.S. ; Bush, A.K. ; Gwynn, P.G. ; Amos, S.V.
Author_Institution :
Nortel Networks, UK
Abstract :
Microcell and picocell base stations for 900, 1800 and 1900 MHz applications have been designed with antennas internal to the overall casings. For the microcell case, a 90 degree sector coverage for a wall mounted base is required, whereas for the picocell, omnidirectional azimuth coverage is required for both wall and ceiling mounting. Receive diversity is needed for both applications. For transmit, the microcell base, with two transceivers, uses two antennas for spatial combining. Transmit for the picocell base requires an antenna combination to allow for an external remote antenna option. The limited space available, and the coverage and diversity requirements, has required significant innovation in both the microcell and picocell antenna designs. Details of the antenna designs and their performance are presented, showing that the demanding requirements have been met
Keywords :
UHF antennas; antenna radiation patterns; diversity reception; microcellular radio; microstrip antennas; picocellular radio; transceivers; 1800 MHz; 1900 MHz; 90 degree sector coverage; 900 MHz; PIFA; ceiling mounting; internal antennas; microcell base stations; omnidirectional azimuth coverage; patch antenna; picocell base stations; planar inverted F antenna; receiver diversity; spatial combining; transceivers; wall mounted base; Antennas and propagation; Azimuth; Base stations; Diversity reception; Feeds; Microcell networks; Microstrip; Polarization; Transceivers; Transmitting antennas;
Conference_Titel :
Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5668-3
DOI :
10.1109/WCNC.1999.796737
