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Data forwarding schemes that use a single ACK-based retransmission mechanism are widely used to increase the packet delivery ratio in wireless sensor networks. However, these schemes may waste a considerable amount of energy for data transmissions, especially when the link quality is low for ACK transmissions. In this paper, we propose a novel multi-ACK-based data forwarding scheme to minimize the...
The IEEE 802.16 is developed for fixed broadband wireless technology with wider coverage, higher data transmission speeds and excellent quality of services (QoS). IEEE 802.16e is an amendment to the IEEE 802.16 that corporates the handover process to support mobility under high speeds. The mobility user basically conducts hard handover process after the MS terminates the connection with the serving...
Ethernet passive optical network (EPON) is the next generation technology to avoid the bottleneck problem in high-capacity access networks. In order to allocate time-slots of fiber channel efficiently, it performs polling based on multi-point control protocol (MPCP). We study previous polling algorithms and propose a novel one that increases channel utilization on capacity. This approach divides a...
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