A Class of Multi-Carrier CDMA Access Methods for Wide-Bandwidth Wireless Channels

Gerakoulis, Diakoumis; Efthymoglu, G; Koravos, Filippos; Tassiui, L.

doi:10.1109/pimrc.2005.1651443

Cited by 1 publication

(3 citation statements)

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“…Wireless terminals within each cell access the corresponding radio port by orthogonal multicarrier code-division multiple access (MC-CDMA) [5]. The uplink transmission and reception is described below, in Section 2.1.…”

Section: System Descriptionmentioning

confidence: 99%

“…This paper focuses on the development of a multicarrier system that operates at physical, multiple access and routing level. The transmission and access is based on orthogonal multicarrier (MC) codedivision multiple access (CDMA), see [1,2,3,4,5]; while the routing scheme on code-division multiplexing [6].…”

Section: Introductionmentioning

confidence: 99%

“…All RPs are connected to the radio exchange node (REN) which routes packets or calls between RPs. Users within each cell access the corresponding radio port (RP) by an orthogonal multicarrier CDMA described in [5]. All uplink transmissions require synchronization.…”

Section: Introductionmentioning

confidence: 99%

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Multicarrier Access and Routing for Wireless Networking

Gerakoulis¹

2005

J Wireless Com Network

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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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Section: System Descriptionmentioning

confidence: 99%