(Via Telecoms.com)DoCoMo announces the 4G equipment employs variable spreading factor spread OFDM radio access and multiple-input-multiple-output multiplexing techniques, achieving 1Gbps data transmission with 100MHz bandwidth in the downlink.DoCoMo said it achieved 100Mbps and 20Mbps data rate transmission in the downlink and uplink respectively in outdoor tests moving at speeds of about 30km/h.DoCoMo is currently conducting indoor tests in preparation to develop a 4G global standard in coordination with the International Telecommunication Union Radiocommunication Sector. In Japan, the telecommunications council of the Ministry of Internal Affairs and Communications is overseeing efforts to develop technologies for 4G commercial services by 2010. Relate this to the bandwidth being offered and planned by ISP/Mobile service providers elsewhere in the world!!
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