System and method for reliable multicast over shared wireless media for spectrum efficiency and battery power conservation
First Claim
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1. A method comprising:
- receiving a request message to join a multicast group, the request including a multicast transmission rate identifying a rate of modulation coding that can be supported by a multicast receiving device; and
granting the multicast receiving device membership to the multicast group.
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Abstract
According to one embodiment of the invention, wireless spectrum and battery power conservation is achieved by through an adaptable multicast group communication scheme. This involves a method in which a request to join a multicast group is received by an access point or other multicast transmitting device. The request includes at least multicast transmission rate identifying a rate of modulation coding that can be supported by a multicast receiving device. Thereafter, membership to the multicast group may be granted where communications between with the access point are set at the multicast transmission rate requested.
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Citations
21 Claims
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1. A method comprising:
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receiving a request message to join a multicast group, the request including a multicast transmission rate identifying a rate of modulation coding that can be supported by a multicast receiving device; and granting the multicast receiving device membership to the multicast group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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sending a request message to join a multicast group, the request message including at least one of a multicast transmission rate identifying a rate of modulation coding that can be supported and a multiple of beacon intervals for the multicast group; and receiving a response message concerning membership to the multicast group. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A software program executed by a processor, the software program comprising:
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a first software module to receive a plurality of request messages to join a multicast group, each request message including at least one of a multicast transmission rate identifying a rate of modulation coding that can be supported and a requested Delivery Traffic Indicator Map (DTIM) interval; and a second software module to assign at least two devices, where each device sent a request message of the plurality of request messages, to different secondary multicast groups that are part of the multicast group but each support either a different multicast transmission rate or a different power-save interval. - View Dependent Claims (21)
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Specification