Users of non-public mobile radio have only recently begun to switch to digital professional mobile radio (DPMR the "P" is sometimes used to mean "private" rather than "professional"), even though it h
For those planning and designing cellular mobile telecommunications systems, Ortigoza-Guerrero and Aghvami (both telecommunications, King's College, London) address the problem of allocating channels
The Earth is soon to be cross-hatched by over 300 million cellular and personal communications services (PCS) telephones. From 1991 when they were introduced to now, time division multiple access (TDM
Discusses the use of low Earth orbital (LEO) satellite systems for a global personal communication network (PCN), concentrating on the performance of LEO satellite systems with employment of either CD
