참고문헌
- 3GPP, Technical Specification Group (TSG) terminals: multimode UE issues, TR21.910 VI.3.2, 1999
- Willianms, D., Ballesteros, E., Martinez, C. and Morata, E., 'User assessment: reconfiguration scenarios and requirements,' Public Deliverable D2.1 from the TRUST Project (IST-1999-12070), 2000
- Scott, Nicky and Respini, Ines, Ovum forecasts: global mobile markets 2001-2005, January 2001
- eTForecasts Press Release, Internet users will surpass 1 billion in 2005. Wireless Internet users reach 62% in 2005, February 6, 2001
- Walter Tuttlebee, Software defined radio: origins. drivers and international perspectives, Wiley, 2002