Patent ID: 8982762
Filing Date: 2015-03-17
Classification: H04L,H04W

Abstract:
1. A method in a wireless device which is configured to operate as a group owner (GO) in a peer-to-peer (P2P) network, the method comprising: sending a first multicast message to a first multicast group comprising one or more first P2P devices in the P2P network, the first multicast message including first notice of absence (NoA) data, the first NoA data being for use by the first multicast group and indicating a first time period of absence to cause the one or more first P2P devices of the first multicast group to refrain from communicating with the GO during the first time period of absence; and sending a second multicast message to a second multicast group comprising one or more second P2P devices in the P2P network, the second multicast message including second NoA data, the second NoA data being for use by the second multicast group and indicating a second time period of absence, different from the first time period of absence, to cause the one or more second P2P devices of the second multicast group to refrain from communicating with the GO during the second time period of absence; the respective first NoA data and the second NoA data being useable concurrently by the first and second multicast groups.