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Understanding Cross-Band Interference in Unsynchronized Spectrum Access

Summary: Understanding Cross-Band Interference in
Unsynchronized Spectrum Access
Wei Hou
, Lei Yang
, Lin Zhang
, Xiuming Shan
, Heather Zheng

University of California, Santa Barbara, USA,
Tsinghua University, China
{weihou,leiyang,htzheng}@cs.ucsb.edu, {linzhang, shanxm}@tsinghua.edu.cn
We consider the problem of cross-band interference when de-
vices from the same or different networks share radio spec-
trum. Cross-band interference occurs when unsynchronized
transmissions create harmful interference among each other
although they use non-overlapping frequency bands. We
perform an in-depth study to analytically quantify the de-
gree of interference and its impact on OFDMA-based packet
transmissions. The analysis also takes into account practical


Source: Almeroth, Kevin C. - Department of Computer Science, University of California at Santa Barbara


Collections: Computer Technologies and Information Sciences