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Efficient index and data allocation for wireless broadcast services

Shou-Chih Lo, Arbee L.P. Chen
2007 Data & Knowledge Engineering  
The periodic broadcasting of frequently requested data can reduce the workload of uplink channels and improve data access for users in a wireless network.  ...  In this paper, we formulate the index and data allocation problem and propose a solution that can adapt to any number of broadcast channels.  ...  How to disseminate data efficiently to a large number of users in the mobile computing environment is challenging due to the necessity to consider time and energy efficiencies, given that mobile devices  ... 
doi:10.1016/j.datak.2006.02.002 fatcat:22e5z7gzijd2nkai4khf6ak77u

Dynamic generation of data broadcasting programs for a broadcast disk array in a mobile computing environment

Wen-Chih Peng, Ming-Syan Chen
2000 Proceedings of the ninth international conference on Information and knowledge management - CIKM '00  
Specifically, we first transform the problem of generating hierarchical broadcast programs into the one of constructing a channel allocation tree with variant-fanout.  ...  We explore in this paper the problem of generating hierarchical broadcast programs with the data access frequencies and the number of broadcast disks in a broadcast disk array given.  ...  use to generate hierarchical broadcast programs dynamically in a mobile computing environment.  ... 
doi:10.1145/354756.354780 dblp:conf/cikm/ChenP00 fatcat:veiicxdc2na7deimburefnulia

Power Conserving and Access Efficient Indexes for Wireless Computing [chapter]

Dik Lun Lee, Qinglong Hu, Wang-Chien Lee
2000 Information Organization and Databases  
Moreover, we introduce two access efficient indexing methods, cache schedule and integrated signature, for a wireless data dissemination system that incorporates both of broadcast and on-demand services  ...  In this paper, we introduce our research on power conserving and access efficient indexing techniques for wireless computing and revisit some of the pioneering work in this area.  ...  While access time measures the efficiency of data access on broadcast channels, tune-in time assesses the power consumption of a mobile computer.  ... 
doi:10.1007/978-1-4615-1379-7_18 fatcat:3dqlxlgggzgqrpkvirrlsu7p3e

An Index Allocation Method for Data Access over Multiple Wireless Broadcast Channels

Damdinsuren Amarmend, Masayoshi Aritsugi, Yoshinari Kanamori
2006 IPSJ Digital Courier  
With the advent of mobile technology, broadcasting data over one or more wireless channels has been considered an excellent way to efficiently disseminate data to a large number of mobile users.  ...  In this paper, we propose an index allocation method for data access over multiple channels.  ...  Conclusion In this paper, we proposed an efficient yet flexible index allocation method for broadcasting data with nonuniform access patterns over multiple wireless channels in mobile environments.  ... 
doi:10.2197/ipsjdc.2.852 fatcat:clupu7wavfef3c4tsjlbsaqniy

A tree-structured index allocation method with replication over multiple broadcast channels in wireless environments

Sungwon Jung, Byungkyu Lee, S. Pramanik
2005 IEEE Transactions on Knowledge and Data Engineering  
In this paper, we have studied an efficient index allocation method for broadcast data with skewed access frequencies over multiple physical channels which cannot be coalesced into a single high bandwidth  ...  These two problems will result in an increased average access time for the broadcast data. To cope with these problems, we propose a tree-structured index allocation method.  ...  They also appreciate the computer simulation programming by Sogang University Computer Science graduate students Sungguen Park, Seunghun Nam, and Seungjung Lee.  ... 
doi:10.1109/tkde.2005.36 fatcat:67f4pwqyo5g3tnhhofohbqniba

Power-aware data retrieval protocols for indexed broadcast parallel channels

Ali R. Hurson, Angela Maria Muñoz-Avila, Neil Orchowski, Behrooz Shirazi, Yu Jiao
2006 Pervasive and Mobile Computing  
In pervasive and mobile computing environments, "timely and reliable" access to public data requires methods that allow quick, efficient, and low-power access to information to overcome technological limitations  ...  In general, the retrieval methods attempt to determine the optimal access pattern to retrieve the requested data objects on parallel broadcast channels.  ...  Energy-Efficient Data Retrieval Scheme for Indexed Broadcast Parallel Channels Proper allocation and retrieval mechanisms are needed to reduce the energy consumption of a mobile unit in the presence of  ... 
doi:10.1016/j.pmcj.2005.11.001 fatcat:kb2narag4rdenpxogqlyujngpa

Exponential replicate broadcasting mechanism for adaptive bandwidth allocation in mobile networks

Chi-Kun Lin, Gwo-Jiun Horng, Chi-Hsuan Wang, Jar-Ferr Yang
2014 EURASIP Journal on Wireless Communications and Networking  
The proposed ERB algorithm first constructs a broadcast tree to determine the broadcast frequency of each data and splits the broadcast tree into some broadcast wood to generate the broadcast program.  ...  This paper proposes an exponential replicate broadcasting (ERB) algorithm for data dissemination to improve data access efficiency.  ...  Acknowledgement We thank the National Science Council of Taiwan for funding this research (Project no.: NSC 102-2218-E-268-001). Figure 16 Report for broadcast cycle.  ... 
doi:10.1186/1687-1499-2014-136 fatcat:4a5ufnfpxzhadbanec6333etcu

Adaptive Broadcasting Mechanism for Bandwidth Allocation in Mobile Services

Gwo-Jiun Horng, Chi-Hsuan Wang, Chih-Lun Chou
2014 The Scientific World Journal  
This paper proposes a tree-based adaptive broadcasting (TAB) algorithm for data dissemination to improve data access efficiency.  ...  The proposed TAB algorithm first constructs a broadcast tree to determine the broadcast frequency of each data and splits the broadcast tree into some broadcast wood to generate the broadcast program.  ...  Acknowledgments The authors thank the National Science Council of Taiwan for funding this research (Project no. NSC 102-2218-E-268-001).  ... 
doi:10.1155/2014/735457 pmid:25057509 pmcid:PMC4098978 fatcat:twpof33jebg4zbxhaktccdywty

Energy-efficient scheduling algorithms of object retrieval on indexed parallel broadcast channels

B. Sun, A.R. Hurson, J. Hannan
2004 International Conference on Parallel Processing, 2004. ICPP 2004.  
Among these limitations, power limitation of mobile units is one of the key issues. In a mobile computing environment, broadcasting has proved to be an effective method to distribute public data.  ...  Efficient methods for allocating and retrieving objects on parallel indexed broadcast channels have been proposed to manage power consumption and access latency.  ...  Recent advances in technology have made mobile computing a reality. However, in a wireless mobile computing environment, one should take technological constraints into consideration.  ... 
doi:10.1109/icpp.2004.1327953 dblp:conf/icpp/SunHH04 fatcat:34gbwgsagraefdhvxwnz4zeyli

Binary interpolation search for solution mapping on broadcast and on-demand channels in a mobile computing environment

Jiun-Long Huang, Wen-Chih Peng, Ming-Syan Chen
2001 Proceedings of the tenth international conference on Information and knowledge management - CIKM'01  
It is noted that the combined use of broadcast and on-demand channels can utilize the bandwidth effectively for data dissemination in a mobile computing environment.  ...  We explore in this paper the problem of dynamic data and channel allocations with the number of communication channels and the number of data items given.  ...  INTRODUCTION In a mobile computing environment, a mobile user with a power-limited mobile computer can access various information via wireless communication.  ... 
doi:10.1145/502585.502659 dblp:conf/cikm/HuangPC01 fatcat:cqsapudewje3pnggcd22dbgzxa

Binary interpolation search for solution mapping on broadcast and on-demand channels in a mobile computing environment

Jiun-Long Huang, Wen-Chih Peng, Ming-Syan Chen
2001 Proceedings of the tenth international conference on Information and knowledge management - CIKM'01  
It is noted that the combined use of broadcast and on-demand channels can utilize the bandwidth effectively for data dissemination in a mobile computing environment.  ...  We explore in this paper the problem of dynamic data and channel allocations with the number of communication channels and the number of data items given.  ...  INTRODUCTION In a mobile computing environment, a mobile user with a power-limited mobile computer can access various information via wireless communication.  ... 
doi:10.1145/502658.502659 fatcat:lb6qngq7vbflhav7s3akygvnhe

The Replication in Varying Fanout Indexing Technique for Skewed Access Patterns in the Wireless Mobile Environments

Mani Pandey, Vikas Goel
2012 International Journal of Computer Applications  
Due to limited battery power, the most important issue in mobile computing is energy saving. The energy efficiency can be achieved through indexed data organization over wireless channels.  ...  We purpose a varying fanout indexing technique with replication for skewed data over a single wireless communication channel.  ...  allocation for sequential data broadcast in wireless mobile computing", IEEE Transactions on Knowledge and Data Engineering, 15 (1), pp. 161-173, 2003. [4] Shivakumar, N., Venkatasbramanian, S.," Energy  ... 
doi:10.5120/8027-1252 fatcat:sunwikibhbeghozbyvus3lpxpi

Time Efficient Indexing Technique for Querying Location Dependent Data in Wireless Broadcast

Seema Verma, Savita Kumari, Ms. Rakhee, Mahmoud A. Artemi
2010 International Journal of Computer Applications  
Such state of affairs generally appears in an inhouse environment where recharging of battery is not a serious concern.  ...  Wireless communication and mobile computing have gained a lot concentration from the computer and communication research society.  ...  that de facto gives a new generation wireless environment.  ... 
doi:10.5120/1288-1747 fatcat:qvt66wmxwrf25n5bv2lzzd7gka

Incorporating Global Index with Data Placement Scheme for Multi Channels Mobile Broadcast Environment [chapter]

Agustinus Borgy Waluyo, Bala Srinivasan, David Taniar, Wenny Rahayu
2005 Lecture Notes in Computer Science  
In this paper, we present Global Indexing with data placement scheme for multi broadcast channels environment, which aims to minimize query access time, tuning time and power consumption.  ...  This scheme considers index and data allocation over separate broadcast channel. Moreover, it concerns with single and multiple data items request.  ...  Global Index with Data Placement Scheme for Multi Channels Mobile Broadcast Environment: Proposed Method Preliminaries In this paper, we concern with request that returns multiple data items.  ... 
doi:10.1007/11596356_75 fatcat:32oj2bblsffvdn5myxmqvwg46q

Algebraic Algorithm for Scheduling Data Retrieval in Multi-channel Wireless Data Broadcast Environments [chapter]

Xiaofeng Gao, Zaixin Lu, Weili Wu, Bin Fu
2011 Lecture Notes in Computer Science  
In this paper, we study the scheduling problem for retrieving data from multi-channel data broadcast environments.  ...  In general conditions, the most important two issues for queries in mobile computing systems are the energy cost and the query response time.  ...  In addition, the power supply is finite for mobile devices, which means energy efficiency is also very important when design data retrieval method in mobile computing environments.  ... 
doi:10.1007/978-3-642-22616-8_7 fatcat:wioz4hfogbbapamhlxjyf7wou4
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