paper request on Wimax tranceiver

can any one bring me thankfully these papers:

1- A multi-band multi-standard RF front-end IEEE 802.16a for IEEE 802.16a and IEEE 802.11 a/b/g applications

Chao-Shiun Wang Wei-Chang Li Chorng-Kuang Wang
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan;

This paper appears in: Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Publication Date: 23-26 May 2005
On page(s): 3974- 3977 Vol. 4
ISBN: 0-7803-8834-8
INSPEC Accession Number: 8615249
Digital Object Identifier: 10.1109/ISCAS.2005.1465501
Posted online: 2005-07-25 08:18:11.0

2- WiMAX/WLAN radio receiver architecture for convergence in WMANS
Farahani, B.J.; Ismail, M.
Circuits and Systems, 2005. 48th Midwest Symposium on
Volume , Issue , 7-10 Aug. 2005 Page(s): 1621 - 1624
Digital Object Identifier 10.1109/MWSCAS.2005.1594427

thanks in advance