IEEE Transactions on Communications was the number eight most cited journal in telecommunications in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. This publication focuses on all telecommunications including telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space, and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory.

More information can be found in http://www.comsoc.org/pubs/jrnal/transcom.html