Spectrum conservation in the Land Mobile Radio Services
Harold Staras, L. Schiff · IEEE Spectrum · 1971
This article summarizes the ideas that are being actively discussed for use in mobile radio and, in particular, how they apply to the new 900-MHz region assigned to the Land Mobile Radio Services category. Over the next decade some of these methods will prove out and others will probably fall by the wayside. It is clear, however, that some new techniques will be necessary if mobile radio is to continue its growth.