Resource Management in Satellite Networks part 15 pot
Resource Management in Satellite Networks part 15 pot
... in the contending state by continuously reattempting random access transmissions during RTD, without stopping for waiting the base station reply. It has been proved that while this approach increases ... contention-dedicated resources may cause a waste of bandwidth. 5.2.3 Adopting PRMA-like schemes in S-UMTS GEO systems cannot adopt PRMA since their long RTD (max 280 ms in the case of a...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 35 potx
... 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 ... technologies. In its role as global spectrum coordinator, ITU-R develops and adopts the Radio Regulations, a voluminous set of rules that serve as a binding international treaty governi...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 9 potx
... satellite communications and satellite broadcasting in Europe till about year 2020. In doing so, it shows that satellite communications and broadcasting has Chapter 2: ACTIVITY IN SATELLITE RESOURCE ... Networking, Vol. 11, No. 3, pp. 488-500, June 2003. [48] A. Iera, A. Molinaro, S. Marano, “Traffic Management Techniques to Face the Effects of Intrinsic Delays in Geostationa...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 25 pot
... situation (considering that RCSTs are uniformly distributed in space). As an example, take into account the distribution p = [1 /15, 1 /15, 2 /15, 3 /15, 3 /15, 3 /15, 2 /15] . After obtained ASD per area ... x i ), simply assuming one extra resource (round up) to a subgroup of users, sharing the same number of resources, and round down the remaining ones (dotted line in Figure 7.9). F...
Ngày tải lên: 05/07/2014, 19:20
Resource Management in Satellite Networks part 32 potx
... protection, while maintaining end-to-end delivery checks. In order to benefit from using UDP-Lite, the changes at the transport layer must be reflected in the design of satellite link and physical ... (VBDC and RBDC). As already anticipated in Section 9.4, our interest here is in reducing the access delay, keeping optimal network efficiency, by using TCP status information to predict th...
Ngày tải lên: 05/07/2014, 19:20