[PDF] Top 20 An analysis of location record checkpointing interval for mobility database in PCS networks

... Abstract Mobility database that stores the users’ location records is very important to connect calls to mobile users on personal communication ...the mobility database fails, calls to ... See full document

... strategy for location management. The mobility database will be maintained on a per user ...recorded for each ...paged in several steps based on the movement-based ...to ... See full document

... C. Checkpointing Model Based on Number of Calls and Real-Time Interval Another strategy is to use both the number of calls and real-time interval for updating billing ...used ... See full document

... times, location modeling, mobility, personal communications services ...(PCS) networks are poised to provide integrated services such as voice, data and multimedia to mobile users anywhere, ... See full document

... per-user checkpointing approach for the Home Location Register (HLR) ...database. In this approach, individual HLR records are saved into a backup database from time to ...backup ... See full document

... strategy in most situations except that the probability of a mobile user visiting a foreign region is high and the query rates from other foreign regions are ...situation for the MR strategy may ... See full document

... propose an auxiliary scheme called another two-level pointer strategy, with a new procedure for updating and locating users who move from place to place while using Personal Communication Service ... See full document

... Performance Analysis for Dual Band PCS Networks Yi-Bing Lin, Senior Member, IEEE, Wei-Ru Lai, and Rong-Jaye Chen, Member, IEEE AbstractÐIn a dual band personal communications services ... See full document

... (assuming no call arrival throughout its trip from location A to location C). We define the center cell to be the cell where the last location registration occurred. The distance-ba[r] ... See full document

... bility of the execution of query and update operation in mobility ...databases. For exam- ple, in 1997 K. K. Leung proposed an update algorithm called Primary-Writer ... See full document

... view of above, we propose an Adaptive Location Management scheme, abbreviated as ALM, for approximate location queries in wireless sensor ...positions of storage nodes and ... See full document

... is callcd, using this strategy the MH is not paged according to the original LA sequence in the LA list. If thcic is inore than one record in the p4ging inlbr- niatio[r] ... See full document

... results of enhancement case 1 and case 2 show that the update cost is significantly ...ONCLUSION In this letter, we propose a DBLU scheme with a line-paging strategy as an alternative location ... See full document

... number of total user arrivals. N α represents the number of users that have been ...number of users that had been replaced and had call activities before they left the VLR ...event for each ... See full document

... user’s location information from the previous call to that user. For users who receive calls fre- quently, the cost of a call delivery procedure can be saved ...mance of the caching strategy ... See full document

... EREGISTRATION In the explicit scheme, a registration record is deleted when the corresponding portable moves out of the ...the database is full if and only if the number of portables ... See full document

... degree in electrical engineering from National Cheng Kung University in 1983, and his ...degree in computer science from the University of Washington in ...NJ. In 1995, he was ... See full document

... status for all the agents in the system to cope with host ...mobility. An agent cannot remove a packet from the buffer unless all the mobile hosts in the global system have correctly ... See full document

... stability analysis of a class of neural networks, such as Hopfield neural networks, cellular neural networks, and Cohen-Grossberg neural networks, has been exten- sively ... See full document

... performance of TLA when the registration cost is low. The performance of TLA degrades when is ...done in two ...portable location record in the HLR to hold the address of ... See full document