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Fourth generation cellular networks use Orthogonal Frequency Division Multiple Access (OFDMA) as the multiple access technique. It allows multiple users to transmit simultaneously on different subcarriers per OFDM symbol, thereby reducing the effect of multipath fading. To enhance indoor coverage and reduce traffic within macrocells, femtocells are introduced. Femtocells can be efficiently deployed...
Interference control and quality-of-service (QoS) awareness are the major challenges for resource management in orthogonal frequency-division multiple access femtocell networks. This paper investigates a self-organization strategy for physical resource block (PRB) allocation with QoS constraints to avoid the co-channel and co-tiered interference. Femtocell self-organization including self-configuration...
The race toward higher throughputs for cellular network users is getting more difficult everyday. On the one hand cellular network operators wish to increase benefits by offering new services to users, but on the other hand spare radio resource are shrinking away. The spreading of WiFi-3G dual mode devices is making this fight even harder. The new ”Femtocell” technology is expected to be the rescuer...
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