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GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
- Usually, packets involved in a collision are lost, requiring their retransmission. However, the signal associated to collisions has important information concerning the packets i...
GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
This paper discusses how the cognitive radio concept can be extended to allow the system not only to manage shared resources such as spectrum, but to use this knowledge to optimize...
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GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
- In this paper we propose a distributed call admission control protocol (DCAC) to provide bandwidth and delay guaranteed Quality of Service (QoS) in multihop wireless mesh network...
GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
— In this paper we propose Cognitive Medium Access (CMA), a protocol aimed at improving coexistence with a set of independently evolving WLAN bands. A time-slotted physical layer...
GLOBECOM
2007
IEEE
15 years 5 months ago
2007
IEEE
—Multicasting is useful for various applications such as multimedia broadcasting. In current 802.11, multicast frames are sent as broadcast frames at a low transmission rate with...