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|Title:||Cross-layer resource allocation for variable bit rate multiclass services in a multirate multicarrier DS-CDMA network|
|Keywords:||Bit error rate|
Multirate multicarrier DS-CDMA
Round-robin carrier hopping
Variable bit rate multiclass services
|Source:||Wong, T.C., Mark, J.W., Chua, K.-C. (2005-02-01). Cross-layer resource allocation for variable bit rate multiclass services in a multirate multicarrier DS-CDMA network. Eurasip Journal on Applied Signal Processing 2005 (2) : 183-192. ScholarBank@NUS Repository. https://doi.org/10.1155/ASP.2005.183|
|Abstract:||An approximate analytical formulation of the resource allocation problem for handling variable bit rate multiclass services in a cellular round-robin carrier-hopping multirate multicarrier direct-sequence code-division multiple-access (MC-DS-CDMA) system is presented. In this paper, all grade-of-service (GoS) or quality-of-service (QoS) requirements at the connection level, packet level, and link layer are satisfied simultaneously in the system, instead of being satisfied at the connection level or at the link layer only. The analytical formulation shows how the GoS/QoS in the different layers are intertwined across the layers. A novelty of this paper is that the outages in the subcarriers are minimized by spreading the subcarriers' signal-to-interference ratio evenly among all the subcarriers by using a dynamic round-robin carrier-hopping allocation scheme. A complete sharing (CS) scheme with guard capacity is used for the resource sharing policy at the connection level based on the mean rates of the connections. Numerical results illustrate that significant gain in the system utilization is achieved through the joint coupling of connection/packet levels and link layer. © 2005 Hindawi Publishing Corporation.|
|Source Title:||Eurasip Journal on Applied Signal Processing|
|Appears in Collections:||Staff Publications|
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