array(4) {
[0]=>
string(3) "LTE"
[1]=>
string(59) " The UMTS Long Term Evolution - From Theory to Practice.pdf"
[2]=>
string(9) " 12124248"
[3]=>
string(21) " 2009-12-24 10:35:0
"
}
说明: LTE 是3G向4G演进的版本。本书系统地介绍了3GPP长期演进的技术原理和系统设计。 (LTE is the evolution of 3G to 4G version. This book introduces the principles of 3GPP Long Term Evolution technology and system design.)