378 search results - page 20 / 76 » E-Classroom in Higher Education |
ECTEL
2009
Springer
15 years 6 months ago
2009
Springer
The L4All system allows learners to record and share learning pathways through educational offerings, with the aim of facilitating progression from Secondary Education through to F...
SIGCSE
1998
ACM
15 years 4 months ago
1998
ACM
tterns help narrow the gap between the abstract views of the data structures and their concrete implementations. The smaller the gap, the higher the level action. The more abstract...
CORR
2008
Springer
14 years 12 months ago
2008
Springer
This paper analyzes the spectral efficiency as a function of medium access control (MAC) for large random spreading CDMA random access systems that employ a linear receiver. It is ...
CORR
2008
Springer
14 years 12 months ago
2008
Springer
Random coding arguments are the backbone of most channel capacity achievability proofs. In this paper, we show that in their standard form, such arguments are insufficient for pro...
CORR
2008
Springer
14 years 12 months ago
2008
Springer
With the analysis of the hierarchical scheme, the potential influence of the pre-constant in deriving scaling laws is exposed. It is found that a modified hierarchical scheme can ...