DATA FRAME FORMATS TO IMPROVE GROUPCAST EFFICIENCY IN MULTI-HOP WIRELESS NETWORKS
First Claim
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1. A data frame format generated by a meshed access point when attached nodes include at least one legacy station (LSTA), wherein the data frame format comprises:
- a header comprising a sequence control field comprising a mesh end-to-end sequence number; and
one or more groupcast information.
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Accused Products
Abstract
Unified groupcast data frame formats are provided for improving the efficiency of groupcast communications in multihop wireless mesh networks, and significantly reducing bandwidth consumption. The unified groupcast data frame formats modify existing BSS data frame formats by inserting a mesh end-to-end sequence number into a field that is normally reserved for a sequence control field. In some implementations, a time-to-live (TTL) value can also be inserted into a QoS control field.
76 Citations
27 Claims
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1. A data frame format generated by a meshed access point when attached nodes include at least one legacy station (LSTA), wherein the data frame format comprises:
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a header comprising a sequence control field comprising a mesh end-to-end sequence number; and one or more groupcast information. - View Dependent Claims (2)
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3. A data frame format generated by a meshed access point when attached nodes comprise at least one Quality-of-Service station (QSTA) and no legacy stations (LSTAs), wherein the data frame format comprises:
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a header comprising;
a sequence control field, and a QoS control field comprising a time-to-live (TTL) value, wherein the sequence control field comprises a mesh end-to-end sequence number; andone or more groupcast information. - View Dependent Claims (4)
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5. In a network comprising a meshed access point and at least one node attached to the meshed access point, a method comprising:
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determining, at the meshed access point, whether the nodes attached to the meshed access point include at least one of a QoS station (QSTA) and a legacy station (LSTA); generating, at the meshed access point, a groupcast packet having a data frame format when the attached nodes include at least one LSTA, wherein the data frame format comprises; a header comprising a sequence control field comprising a mesh end-to-end sequence number; and one or more groupcast information. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. In a network comprising a meshed access point and at least one node attached to the meshed access point, a method comprising:
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determining, at a meshed access point, whether the nodes attached to the meshed access point include at least one of a QoS station (QSTA) and a legacy station (LSTA); and generating, at the meshed access point, a groupcast packet having a data frame format when the attached nodes comprise no legacy stations (LSTAs) and at least one QSTA, wherein the data frame format comprises; a header comprising;
a sequence control field, and a QoS control field comprising a time-to-live (TTL) value, wherein the sequence control field comprises a mesh end-to-end sequence number; andone or more groupcast information. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification