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Multicarrier Access and Routing for Wireless Networking

Abstract

A multicarrier access and routing system has been proposed for use in wireless networks. Users within each cell access a radio port (RP). All RPs are connected to a radio exchange node (REN) which routes the calls or packets. The uplink access is orthogonal multicarrier code-division multiple access (MC-CDMA) and the downlink transmission is multicarrier orthogonal code-division multiplexing (MC-OCDM). The REN contains a switch module which provides continuous routes between wireless terminals without demodulation/remodulation or channel decoding/reencoding. The switch module is nonblocking and has complexity and speed linearly proportional to its size. Also, the switch module does not introduce interference into the network. Any existing interference or noise in its input port is transferred to its output port. The input-output switch connections are assigned on demand by a control unit. A random input/output port assignment process can achieve maximum switch throughput.

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Correspondence to Diakoumis Gerakoulis.

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Gerakoulis, D. Multicarrier Access and Routing for Wireless Networking. J Wireless Com Network 2005, 920219 (2005). https://doi.org/10.1155/WCN.2005.599

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Keywords

  • multicarrier access
  • multicarrier routing
  • multicarrier CDMA
  • radio exchange node
  • switch module