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Carrier aggregation is introduced in LTE-Advanced to aggregate multiple bands of spectrum into a virtual carrier. User equipment (UE) with carrier aggregation capability can increase peak data rates by transmitting through an aggregated virtual carrier that provides greater transmission bandwidth. Nevertheless, further study is needed to determine how carrier aggregation should best be implemented...
High-throughput data traffic has gained prominence in the mobile telecommunications. But the service quality is never a grantee due to the nature of wireless communication. This not only degrades the utility of customers but also reduces the revenue of service provider. To overcome such predicament, the overlay macrocell-femtocell system is introduced to enhance the service quality by reutilize spectrum...
Multi-player online gaming is one of the most popular applications on the Internet nowadays. Due to the mobility requirements and the growing popularity of WiFi services, a significant number of users access the Internet through IEEE 802.11 Wireless LAN. Hence, the performance of highly interactive real-time online game under wireless environment is receiving attentions from researchers. In this paper,...
IEEE 802.16e standard defines a wireless broadband access network technology. The standard specifies the QoS support at the MAC level. To meet the QoS requirements, the scheduling algorithm at base station (BS) has to efficiently allocate slots for each connection request. The standard does not specify the detailed algorithm but leaves it open for implementation. In this paper, a Slot-based BS scheduling...
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