Title :
Analytic evaluation of the uplink Erlang capacity of CDMA macrocells with hotspot microcells
Author :
Talavera, Jose Gpe Viveros ; Rodriguez, Domingo Lara
Author_Institution :
Dept. of Electr. Eng., CINVESTAV, Mexico City
Abstract :
In this paper we evaluate the uplink user capacity of a macrocell/microcell CDMA system under non-uniform traffic loading conditions. The "hot spots" microcells are embedded within a large macrocell and operate over the same bandwidth as the large cell. The analytic method to compute Erlang user capacity takes into account propagation and shadowing losses, arrival process, multiple access interference and power control of user terminals. The necessary desensitivity in the microcell so that it covers only the region of the hot spot is determined. Also, to calculate the interference in the macrocell and microcells we take into account the soft handoff process and the coverage regions of the microcells.
Keywords :
cellular radio; code division multiple access; interference (signal); CDMA macrocell; CDMA system; arrival process; coverage regions; hotspot microcells; multiple access interference; nonuniform traffic loading condition; power control; propagation loss; shadowing loss; soft handoff process; uplink Erlang capacity; Base stations; Interference; Macrocell networks; Microcell networks; Mobile antennas; Multiaccess communication; Propagation losses; Receiving antennas; Samarium; Shadow mapping; Erlang Capacity; Hotspot; Soft handoff; Uplink Capacity;
Conference_Titel :
Devices, Circuits and Systems, 2008. ICCDCS 2008. 7th International Caribbean Conference on
Conference_Location :
Cancun
Print_ISBN :
978-1-4244-1956-2
Electronic_ISBN :
978-1-4244-1957-9
DOI :
10.1109/ICCDCS.2008.4542626
