Cross-layer Control of Low Cost and Low Power Reconfigurable Mobile Handsets
Multiple wireless access technologies and flexible multimedia content processing are converging into single mobile handsets. The combination with the exploding cost of system-on-chip (SoC) design, will make implementation of wireless access schemes on multi-purpose reconfigurable radios the only viable option in the future. In mobile terminals, these reconfigurable radios should couple a high functional flexibility with low power operation. This paper proposes a two-step approach to producing this combination of flexibility and low-power: energy-scalability is introduced in the radio design, while intelligent run-time cross-layer control is introduced to enable low power operation. The concept is validated on a transaction-level model (TLM) of our reconfigurable baseband platform, showing architectural integration and paving the way towards chip instantiation.
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