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This paper presents a portable and hardware-independent data-link layer design that adds cooperative retransmission support to the Linux kernel wireless SoftMAC implementation (mac80211). With cooperative retransmission, a unicast packet that is not acknowledged by its intended destination node can be retransmitted by a third node in the vicinity of the source and destination, rather than by the original...
This article discusses the agent-based wireless data center architecture. The system is devised by 6 parts, such as the GPRS communications services, the embedded Linux database server, the GSM modem, the core monitoring system, the B/S access control and the wireless router firewall and so on. They can be distributed in different servers or the same server. The system uses a distributed work model,...
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