Show-Shiow Tzeng Yu-Ching Hsu Channel Reservation in Cellular Wireless Networks with Spectrum Leasing. 1-7 2010 ICCCN http://dx.doi.org/10.1109/ICCCN.2010.5560096 conf/icccn/2010 db/conf/icccn/icccn2010.html#TzengH10