White Papers

Architecture and Scheduling Algorithm for a Multi-Channel Wireless Infrastructure Network With Diversity Management Layer

• Tags:
• layer,
• channel,
• wi fi,
• fi

Overview 802.11a protocol provides 12 non-overlapping frequency bands, but the common wireless LAN usually only uses one channel. This paper proposes a "super" Wi-Fi network architecture, which uses the multiple non-overlapping channels simultaneously to improve the total network bandwidth with minimum changes to the existing devices. To be compliable to the existing Wi-Fi network hardware and 802.11 protocols, a software based diversity management layer (DML) is introduced above the MAC layer to control and support the multi-channel. The paper also proposes a backup-resource method to further reduce the scheduling time when the number of stations in the system increases.

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