tailieunhanh - Digital RF Transport

Every business needs an edge. Many industries—from consumer electronics to household appliances to automobiles—have successfully gained an edge with digital components and production methods supported by digital devices. The drive to digital is apparent in wireless voice and data communications, too, as networks migrate toward IP-based architectures, software defined radio, and other technologies. The digital edge isn’t just convenient. The digital edge translates into bottom line benefits for wireless service providers | Digital RF Transport The Advantage of Digital RF Transport for Distributing Wireless Coverage and Capacity od The Advantage of Digital RF Transport Distributing Wireless Coverage and Capacity Introduction Every business needs an edge. Many industries from consumer electronics to household appliances to automobiles have successfully gained an edge with digital components and production methods supported by digital devices. The drive to digital is apparent in wireless voice and data communications too as networks migrate toward IP-based architectures software defined radio and other technologies. The digital edge isn t just convenient. The digital edge translates into bottom line benefits for wireless service providers. For wireless service providers the combination of limited spectrum and deployment of spectrum-hungry data services already points to digital solutions. Add in impending consolidations and capex restrictions and wireless service providers need an edge that adds flexibility improves quality of service and reduces capex operating costs. That edge is found in digital methods of transporting RF signals. What is digital transport of RF Transporting RF signals over fiber cables provides a highly cost effective solution for distributing wireless coverage and capacity. Used for both indoor and outdoor low power and high power applications RF transport solutions link remote antennas and cell sites to base transceiver stations. Analog and digital RF transport systems feature significant differences that impact network performance. Analog RF transport systems may transport digitally modulated signals such as TDMA or CDMA. Or analog RF transport systems may include a data path for carrying alarm information. In either case the method of transporting RF signals is analog where the RF signal is preserved as an analog waveform throughout the transport. Also the network components required to support analog RF transport including lasers splitters combiners converters