请帮忙查询两篇文章的EI检索号,

Analysis of cell capacity in FDD-LTE network
Yuan, Mingqiang (Beijing Telecom Planning and Designing Institute Co., Ltd., Beijing, China); Cheng, XinzhouSource: 2012 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2012, 2012, 2012 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2012
Accession number:20131616211872
Analysis of channel element resource utilization ratio in WCDMA/HSPA network
Chao, Kun (Beijing Telecom Planning and Designing Institute Co., Ltd., Beijing, China); Cheng, Xinzhou; Cao, XiaodongSource: 2012 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2012, 2012, 2012 International Conference on Wireless Communications, Networking and Mobile Computing, WiCOM 2012
Accession number:20131616211873