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Hi,
Actually, maybe you could use OLSR and MPR
flooding for this: in this context, when a given node transmits a broadcast
message, at least one neighbor (MPR for the node) should retransmit it, and
the node should be able to overhear this retransmission since this MPR is a
neighbor (by definition). This overhearing could be taken as implicit selective
acknowledgement. To make sure the broadcast message is not lost in the air, the
node could just keep transmitting again until it overhears such a
retransmission.
Emmanuel
----- Original Message -----
Sent: Monday, January 26, 2004 6:10
PM
Subject: [manet] Selective
Acknowledgement
Hi,
Does anybody know any literature about selective
acknowledgement applied to manet (802.11). Concretely, selective acknowledge
in response to a broadcast transmission.
The IEEE 802.11 MAC specification does not allow acknowledging on
receiving a broadcast transmission. Therefore how could I design a mechanism
which ensures me that at least one neighboring node has received the broadcast
message (imagine a critical application, e.g. car accident warning, in which
you cannot permit a broadcast message "to be lost on the air")
Best regards,
Joan
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