00000nam 2200000zi 4500 9.898965 CaOODSP 20240814142016 m o d f cr |n||||||||| 210420s1984 oncd||| ob f00| 0|eng d CaOODSP eng rda CaOODSP n-cn--- Co24-639/1984E-PDF Donaldson, Robert W., author. Effect of channel control access schemes and error control protocols on spectrum efficiency of advanced digital transmission techniques over land mobile channels / by Dr. Robert W. Donaldson. Ottawa, Ontario, Canada : Department of Communications, [1984] 1 online resource (71, [5] pages) : charts text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. "Department of Supply and Services Contract Serial No. OST83-00077." "Period: April 1, 1983 - March 31, 1984." Includes bibliographical references. Digital communications. Mobile communication systems. Radio frequency allocation. Transmission numérique. Radiocommunications mobiles. Radiofréquences Attribution. Canada. Department of Communications, issuing body. PDF 1.02 MB https://publications.gc.ca/collections/collection_2024/isde-ised/Co24-639-1984-eng.pdf