Communications
Ubidyne goes all the way with Full Active Antenna Systems at Mobile World Congress
There is only one way to build an effective Active Antenna System (AAS) according to Ubidyne that will be featuring its LTE 700MHz uB700 and 900MHz uB900 Antenna Embedded Radios at this month’s Mobile World Congress 2012. While there are multiple AAS architectures, Ubidyne believes it is vital to have one transceiver or M-Radio per antenna radiator. This means that an antenna with 16 radiators - or eight cross polar radiators - will also have 16 transceivers.
“WAlternative integrated antennas simply integrate a Remote Radio Head (RRH) into the antenna housing but lack innovative features to increase coverage and capacity such as electronic tilting per carrier or standard, electronic and independent tilting of uplink and downlink, or vertical sectorisation. These features have a major impact on the quality and performance of the network and are packaged in all Ubidyne active antennas.
Other vendors go half-way with a semi AAS that has one amplifier serving several radiators. This reduces the amount of transceivers but performance is significantly impaired and self healing technology cannot correct antenna pattern distortions, such as side lobes.
At Mobile World Congress, Ubidyne will be featuring its new uB700 full active antenna that supports 4G (LTE) in the 700MHz digital dividend band for broadband mobile networks in the US as well as the uB900™ that supports GSM, UMTS and LTE in the 900MHz frequency band to address mobile networks in Europe, Africa, Oceania, Asia and the Middle East. Future products are also in development for the European digital dividend bands of 800MHz and highband up to 2.6GHz as well as multi-band solutions.