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A number of wireless network systems (GPRS/UMTS, WIMAX, WLAN) have been deployed during the past few years. To provide seamless roaming between heterogeneous networks becomes more and more important in the future mobile communication systems. The demand for accessing services while on the move, at any place and time, has lead to the current efforts towards integration of heterogeneous wireless networks,...
Fourth generation (4G) Network integrates existing wireless technologies (GPRS/UMTS, WiMAX, WLAN, etc.) and offers access to services while on the move, at any place and any time. A multi-interface device can switch connection among available access points implementing different technologies. Integration of heterogeneous wireless networks can be performed at different levels (open coupling and tight...
The demand for accessing services while on the move, at any place and time, has lead to the current efforts towards integration of heterogeneous wireless networks, in particular UMTS, WiMAX and WLAN, as complementary systems. Integration can be performed at different levels: tight coupling and loose coupling. The paper presents the design and evaluation of a HMIPv6 based architecture for different...
In the idea to create a realistic model of mobility and traffic for the networks of 3rd and 4th generation, we have studied many techniques of modeling and planning. Our choice was for the real network traces exploitation techniques, mainly because compared to other techniques this technique is very adapted to the real modeling. Although this technique is most convenient, it has many disadvantages...
Dimensioning and planning air interface of the evolution of UMTS networks based on HSPA technique is interesting for mobile operators. This paper deals with coverage-limited and capacity-limited dimensioning of HSPA based Beyond 3G networks with the necessary analytical support. The models established for coverage-limited case are exploited to generate abacuses useful mainly for initial dimensioning...
In the idea to create a realistic model of mobility and traffic for the networks of 3rd and 4th generation, we have studied many techniques of modeling and planning. Our choice was for the real network traces exploitation techniques, mainly because compared to other techniques this technique is very adapted to the real modeling. Although this technique is most convenient, it has many disadvantages...
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