Telecommunication Journal, 54. sējums,7-12. izdevumsInternational Telecommunication Union., 1987 |
No grāmatas satura
1.–3. rezultāts no 72.
512. lappuse
... radio frequency allocations are significant considerations . The paper presents typical cellular radio coverage areas for fixed , mobile , and portable subscriber units and provides an economic analysis of costs per subscrib- er for ...
... radio frequency allocations are significant considerations . The paper presents typical cellular radio coverage areas for fixed , mobile , and portable subscriber units and provides an economic analysis of costs per subscrib- er for ...
518. lappuse
... radio services [ 2 ] Graziano V .: Propagation models for MHz cellular systems using portables and mobiles , 31st VTG Conference , April 1981 [ 3 ] Hata M .: Empirical formulas for propa- gation loss in land mobile radio services Author ...
... radio services [ 2 ] Graziano V .: Propagation models for MHz cellular systems using portables and mobiles , 31st VTG Conference , April 1981 [ 3 ] Hata M .: Empirical formulas for propa- gation loss in land mobile radio services Author ...
755. lappuse
... radio com- ponent . 3. Radio - relay links There are a number of factors which may warrant the use of increasing numbers of digital radio - relay installations in towns . These factors are : - the speed of installation of the link ...
... radio com- ponent . 3. Radio - relay links There are a number of factors which may warrant the use of increasing numbers of digital radio - relay installations in towns . These factors are : - the speed of installation of the link ...
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