Resource Management in Satellite Networks part 20 ppsx

... LEO satellites’ coverage area changes continuously over time, in order to maintain connectivity, end-users must switch from beam to beam and from satellite to satellite, resulting in frequent intra- ... Transmission Scheduling with Resource- Sharing Constraints in Wireless Networks , IEEE Journal on Selected Areas in Communications, Vol. 19, No. 10, pp. 205 3 -206 4, October 20...

Ngày tải lên: 05/07/2014, 19:20

... of multiple links corresponding to all the users that have activated the service in each (multicast) group. The role of the packet scheduler in S-MBMS is not that dominant in determining the system ... such information were available, it would have to be exploited in a complex way due to the point-to-multipoint nature of the services, i.e., the decisions regarding the scheduling of a...

Ngày tải lên: 05/07/2014, 19:20

... guaranteed. In doing this, the effect of fading on the satellite channel is also taken into account. As in other works (see, e.g., [25]), when the fade countermeasure in use is modulation and coding rate ... performance indicator of interest, the In nitesimal Perturbation Analysis (IPA) technique of Cassandras et al. [24] (already mentioned in Chapter 7 in a different scenario) is...

Ngày tải lên: 05/07/2014, 19:20

... efficiency. In the forward link, the introduction of spreading requires the design of a new DVB-S2 receiver. In the return link, each terminal could in principle implement direct spreading within the ... Next-Generation Wireless Systems”, in Proc. of IEEE Wireless Communications and Networking Conference 200 3 (IEEE WCNC 200 3), New Orleans, USA, pp. 1084-1089, March 200 3. [6] The I...

Ngày tải lên: 05/07/2014, 19:20