by admin | Jun 7, 2015 | sem3
HANDOFF A handoff refers to the process of transferring an active call or data session from one cell in a cellular network to another or from one channel in a cell to another. A well-implemented handoff is important for delivering uninterrupted service to a caller or...
by admin | Jun 7, 2015 | sem3
Channel Assignment In radio resource management for wireless and cellular network, channel allocation schemes are required to allocate bandwidth and communication channels to base stations, access points and terminal equipment. The objective is to achieve...
by admin | Jun 7, 2015 | sem3
Cellular Concept and Frequency Reuse CELLULAR CONCEPT AND FREQUENCY REUSE In the cellular concept, frequencies allocated to the service are re-used in a regular pattern of areas, called ‘cells’, each covered by one base station. In mobile-telephone nets...
by admin | Jun 7, 2015 | sem3
Code division multiple access Code division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single...
by admin | Jun 7, 2015 | sem3
data warehousing testing Testing is very important for data warehouse systems to make them work correctly and efficiently. There are three basic levels of testing performed on a data warehouse: Unit testing Integration testing System testing Unit Testing In unit...
by admin | Jun 7, 2015 | sem3
data warehousing tuning and testing A data warehouse keeps evolving and it is unpredictable what query the user is going to post in the future. Therefore it becomes more difficult to tune a data warehouse system. In this chapter, we will discuss how to tune the...
