Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Shahriar Mirabbasi, Ken Martin. Hierarchical QAM: a spectrally efficient dc-free modulation scheme. IEEE Communications Magazine, 38(11):140-146, 2000. [doi]