TY - JOUR
T1 - Complementary Coded Scrambling Multiple Access and Its Performance in Downlink MIMO Channels
AU - Liu, Xiqing
AU - Syu, Hong Ming
AU - Chen, Hsiao Hwa
AU - Meng, Weixiao
AU - Wei, Meng
N1 - Funding Information:
Manuscript received March 21, 2017; revised September 3, 2017; accepted October 30, 2017. Date of publication November 14, 2017; date of current version February 9, 2018. This work was supported in part by the National Natural Science Foundation of China under Grant 61671186, Grant 91438205, and Grant 61471143, in part by the National Basic Research Program of China under Grant 2013CB329003, and in part by the Taiwan Ministry of Science and Technology under Grant 106-2221-E-006-028-MY3 and Grant 106-2221-E-006-021-MY3. The associate editor coordinating the review of this paper and approving it for publication was S. K. Jayaweera. (Corresponding author: Hsiao-Hwa Chen.) X. Liu and W. Meng are with the Communication Research Center, Harbin Institute of Technology, Harbin 150001, China (e-mail: [email protected]; [email protected]).
Publisher Copyright:
© 2017 IEEE.
PY - 2018/2
Y1 - 2018/2
N2 - In a traditional complementary coded CDMA (CC-CDMA) system, signals are spread using the direct sequence (DS) technique to suppress multipath interference (MI) and multiple access interference (MAI). However, DS spreading suffers from very poor bandwidth efficiency. This paper proposes a scrambling-based CC-CDMA system, namely complementary coded scrambling multiple access (CCSMA). A CCSMA system offers a unified platform to integrate CC-CDMA, multiple-input multiple-output (MIMO), and scrambling technique seamlessly. Utilizing complementary codes in scrambling modulation, a CCSMA system is able to suppress MI and MAI effectively. With the help of space domain scrambling, the CCSMA system offers much higher bandwidth efficiency than a CC DS-CDMA system. Bit error rate and system capacity are evaluated explicitly in this paper, verifying that CCSMA is a viable multiple access technique for providing high capacity in downlink MIMO channels.
AB - In a traditional complementary coded CDMA (CC-CDMA) system, signals are spread using the direct sequence (DS) technique to suppress multipath interference (MI) and multiple access interference (MAI). However, DS spreading suffers from very poor bandwidth efficiency. This paper proposes a scrambling-based CC-CDMA system, namely complementary coded scrambling multiple access (CCSMA). A CCSMA system offers a unified platform to integrate CC-CDMA, multiple-input multiple-output (MIMO), and scrambling technique seamlessly. Utilizing complementary codes in scrambling modulation, a CCSMA system is able to suppress MI and MAI effectively. With the help of space domain scrambling, the CCSMA system offers much higher bandwidth efficiency than a CC DS-CDMA system. Bit error rate and system capacity are evaluated explicitly in this paper, verifying that CCSMA is a viable multiple access technique for providing high capacity in downlink MIMO channels.
UR - https://www.scopus.com/pages/publications/85035080151
UR - https://www.scopus.com/pages/publications/85035080151#tab=citedBy
U2 - 10.1109/TWC.2017.2771780
DO - 10.1109/TWC.2017.2771780
M3 - Article
AN - SCOPUS:85035080151
SN - 1536-1276
VL - 17
SP - 835
EP - 847
JO - IEEE Transactions on Wireless Communications
JF - IEEE Transactions on Wireless Communications
IS - 2
M1 - 8107712
ER -