求助IEEE文献2篇，谢谢！

CAZAC sequence and its application in LTE random access
http://ieeexplore.ieee.org/search/freesrchabstract.jsp?tp=&arnumber=4119357&queryText%3DRandom+Access+detection+LTE%26openedRefinements%3D*%26searchField%3DSearch+All

Random Access Algorithm of LTE TDD System Based on Frequency Domain Detection
http://ieeexplore.ieee.org/search/freesrchabstract.jsp?tp=&arnumber=5370101&queryText%3DRandom+Access+detection+LTE%26openedRefinements%3D*%26searchField%3DSearch+All