Two new schemes are proposed for collision resolution in slotted ALOHA networks based on multi-user physicallayer network coding (MU PHY NC). In the proposed random access schemes, a collision of a generic number of packets can be recovered decoding the XOR of the original messages, such that the signal resulting from the collision is exploited rather than being discarded. Two different schemes that differ in terms of the amount of control information that needs to be transmitted from the access point, are studied. © 2011 IEEE.
Collision resolution in slotted ALOHA with multi-user physical-layer network coding / Cocco, G.; Ibars, C.; Gunduz, D.; del Rio Herrero, O.. - (2011), pp. 1-4. (Intervento presentato al convegno 2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring tenutosi a Budapest, hun nel 2011) [10.1109/VETECS.2011.5956731].
Collision resolution in slotted ALOHA with multi-user physical-layer network coding
D. Gunduz;
2011
Abstract
Two new schemes are proposed for collision resolution in slotted ALOHA networks based on multi-user physicallayer network coding (MU PHY NC). In the proposed random access schemes, a collision of a generic number of packets can be recovered decoding the XOR of the original messages, such that the signal resulting from the collision is exploited rather than being discarded. Two different schemes that differ in terms of the amount of control information that needs to be transmitted from the access point, are studied. © 2011 IEEE.
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