Abstract

Code Division Multiple Access (CDMA) is proposed as the physical layer enabler of Network-On-Chip (NoC) interconnects for its prominent features such as fixed latency, guaranteed service, and reduced system complexity. CDMA interconnects have been adopted by the NoC community as it originates in wireless communications where each bit in a CDMA encoded data word is transmitted on a separate channel to avoid interference. However, the wireless interference problem can be efficiently mitigated in on-chip interconnects eliminating the need for replicating the CDMA channel. Moreover, wireless channels are sequential by nature which is not the case in on-chip interconnects where parallel buses are the default communication means.

CDMA,WB,NOC,SB