Title :
A 1.1-V 9.9-mW MC-CDMA Downlink Baseband Receiver IC for Next-Generation Cellular Communication Systems
Author :
Tsai, Pei-Yun ; Chiueh, Tzi-Dar
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei
Abstract :
A baseband receiver IC for a downlink multicarrier code-division multiple access (MC-CDMA) system suitable for the next generation mobile communication in urban areas is designed and implemented. To meet mobile receiver requirements, we have proposed a synchronization algorithm, which tracks and reduces residual synchronization errors, and a channel estimation algorithm, which provides accurate channel state information up to mobility of 120 km/hr. Low-power and low-complexity architectures are designed for hardware implementation. The superior performance of the proposed chip as a low-power solution for mobile communication is demonstrated by the experimental results. It consumes only 9.9 mW at nominal frequency 5.76 MHz from a supply voltage of 1.1 V. Its core area is 2.6 mm times 2.6 mm in 0.18-mum technology. The highest throughput can achieve 21.7 Mbps in a 5-MHz bandwidth
Keywords :
3G mobile communication; code division multiple access; integrated circuits; receivers; 0.18 micron; 1.1 V; 2.6 mm; 21.7 Mbits/s; 5 MHz; 5.76 MHz; 9.9 mW; MC-CDMA; baseband receiver integrated circuit; cellular communication systems; downlink multicarrier code-division multiple access; mobile communication; mobile receiver; Baseband; Channel estimation; Channel state information; Downlink; Frequency synchronization; Hardware; Mobile communication; Multiaccess communication; Multicarrier code division multiple access; Urban areas;
Conference_Titel :
Asian Solid-State Circuits Conference, 2005
Conference_Location :
Hsinchu
Print_ISBN :
0-7803-9163-2
Electronic_ISBN :
0-7803-9163-2
DOI :
10.1109/ASSCC.2005.251784
