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A Distributed Code Assignment Algorithm with High Code Reusability for CDMA-Based Ad Hoc Networks [chapter]

Chang Wu Yu, Tung-Kuang Wu, Rei-Heng Cheng, Chia Hu Wu
2006 Lecture Notes in Computer Science  
T We propose a dynamic and distributed CDMA code assignment protocol for ad hoc networks.  ...  method (with/without using power control)T Tin terms of successful transmission rate, code reusability andT number of successful code assignment.  ...  Based on such findingT , wT e T propose a distributed CDMAT code T assignment T schemeT for the mobile ad hoc networks.  ... 
doi:10.1007/11814856_32 fatcat:2xjutkhnnngm7ktks3qnofkyoa

Distributed assignment of encoded MAC addresses in sensor networks

Curt Schurgers, Gautam Kulkarni, Mani B. Srivastava
2001 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing - MobiHoc '01  
To tackle this overhead, we propose a dynamic MAC addressing scheme based on a distributed algorithm. The assigned addresses are reused spatially and represented by variable length codewords.  ...  Our scheme scales very well with the network size, rendering it well suited for sensor networks with thousands or millions of nodes.  ...  ASSIGNMENT ALGORITHM The pseudo-code of our algorithm is presented in figure 2 .  ... 
doi:10.1145/501416.501463 dblp:conf/mobihoc/SchurgersKS01 fatcat:2nlcpg2oljgijbh6jst5yrlqza

Distributed assignment of encoded MAC addresses in sensor networks

Curt Schurgers, Gautam Kulkarni, Mani B. Srivastava
2001 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing - MobiHoc '01  
To tackle this overhead, we propose a dynamic MAC addressing scheme based on a distributed algorithm. The assigned addresses are reused spatially and represented by variable length codewords.  ...  Our scheme scales very well with the network size, rendering it well suited for sensor networks with thousands or millions of nodes.  ...  ASSIGNMENT ALGORITHM The pseudo-code of our algorithm is presented in figure 2 .  ... 
doi:10.1145/501449.501463 fatcat:hosawpyczvavxfwtnfhrrna7oy

Channel Assignment for Multihop Cellular Networks: Minimum Delay

Y Hung Tam, Robert Benkoczi, Hossam S Hassanein, Selim G Akl
2010 IEEE Transactions on Mobile Computing  
In this paper, we propose an optimal and a heuristic channel assignment scheme, called OCA and minimum slot waiting first (MSWF), respectively, for a time division duplex (TDD) wideband code division multiple  ...  They also allow faster and cheaper deployment of cellular networks. A fundamental issue of these networks is packet delay because multihop relaying for signals is involved.  ...  ACKNOWLEDGMENTS The authors would like to thank the reviewers for their valuable comments.  ... 
doi:10.1109/tmc.2010.41 fatcat:tz2dn3whsrb6ffjzkoqlst4b74

Distributed on-demand address assignment in wireless sensor networks

C. Schurgers, G. Kulkarni, M.B. Srivastava
2002 IEEE Transactions on Parallel and Distributed Systems  
To assign the addresses, we develop a purely distributed algorithm that relies solely on local messsage exchanges.  ...  Index terms: sensor networks, dynamic address assignment, distributed algorithm Curt Schurgers 56-125B, Eng.IV Bldg.  ...  The most important difference with all the prior work on assignment algorithms is that -27 -added benefit can be found in encoding the assignment. There is no analogy for this in TDMA, FDMA or CDMA.  ... 
doi:10.1109/tpds.2002.1041881 fatcat:egk7npavobhnfabnzt3hwzjfwm

Flexible Radio: A Framework for Optimized Multimodal Operation via Dynamic Signal Design

Ioannis Dagres, Andreas Zalonis, Nikos Dimitriou, Konstantinos Nikitopoulos, Andreas Polydoros
2005 EURASIP Journal on Wireless Communications and Networking  
Finally, a specific example of a mode-selection algorithmic architecture is presented which incorporates all the proposed tools and, therefore, illustrates a baseband flexibility mechanism.  ...  for flexible architectures that are capable of performing such actions.  ...  In a sense, ad hoc radio networks fit the concept, as they do not require any rigid or fixed infrastructure.  ... 
doi:10.1155/wcn.2005.284 fatcat:rt46ffpvcnhopgwthdukag26gq

A soft radio architecture for reconfigurable platforms

S. Srikanteswara, J.H. Reed, P. Athanas, R. Boyle
2000 IEEE Communications Magazine  
This article presents a unified architecture for the design of soft radios on a reconfigurable platform called the layered radio architecture.  ...  The layered architecture also enables a methodology for incorporating changes and updates into the system.  ...  Most practical implementations are based on ad hoc approaches that can only be used for a few specific systems.  ... 
doi:10.1109/35.819908 fatcat:okvx56zuzfaqdbxph5jrvl5kt4

The challenges of building scalable mobile underwater wireless sensor networks for aquatic applications

Jun-Hong Cui, Jiejun Kong, M. Gerla, Shengli Zhou
2006 IEEE Network  
However, the characteristics of mobile UWSNs, such as low communication bandwidth, large propagation delay, floating node mobility, and high error probability, are significantly different from ground-based  ...  The large-scale mobile Underwater Wireless Sensor Network (UWSN) is a novel networking paradigm to explore aqueous environments.  ...  There are also many routing protocols proposed for groundbased mobile ad hoc networks.  ... 
doi:10.1109/mnet.2006.1637927 fatcat:hf574ju265bkpayhhke6ackfvi

Duplexing, resource allocation and inter-cell coordination: design recommendations for next generation wireless systems

A. Alexiou, D. Avidor, P. Bosch, S. Das, P. Gupta, B. Hochwald, T. E. Klein, J. Ling, A. Lozano, T. L. Marzetta, S. Mukherjee, S. Mullender (+3 others)
2005 Wireless Communications and Mobile Computing  
network conditions and mobility and quality of service (QoS) constraints introduce a number of challenges in the design of future generation systems and the specification of new air interfaces, such as  ...  A number of research directions are presented, which constitute promising potential candidates for next generation systems specification.  ...  number of different technologies, hierarchical and ad hoc structures, adaptivity to varying traffic and propagation conditions and satisfies certain quality of service (QoS) constraints.  ... 
doi:10.1002/wcm.289 fatcat:5aqpdhw3dzb6nbuzzm6bf6qrai

An application-specific protocol architecture for wireless microsensor networks

W.B. Heinzelman, A.P. Chandrakasan, H. Balakrishnan
2002 IEEE Transactions on Wireless Communications  
The rst study develops LEACH (Low-Energy Adaptive Clustering Hierarchy), an architecture for remote microsensor networks that combines the ideas of energy-e cient cluster-based routing and media access  ...  These applications span a wide range, including real-time and streaming video and audio delivery, remote monitoring using networked microsensors, personal medical monitoring, and home networking of everyday  ...  area networks (WLANs) and ad-hoc data networks 14, 32, 69] .  ... 
doi:10.1109/twc.2002.804190 fatcat:5k26d6ozozct5g5g3kwc7wutba

Scalable routing strategies for ad hoc wireless networks

A. Iwata, Ching-Chuan Chiang, Guangyu Pei, M. Gerla, Tsu-Wei Chen
1999 IEEE Journal on Selected Areas in Communications  
The applications of this wireless infrastructure range from ad hoc networking (e.g., collaborative, distributed computing) to disaster recovery (e.g., re, ood, earthquake), law enforcement (e.g., crowd  ...  In addition, we address the need to support multimedia communications, with low latency requirements for interactive tra c and Quality of Service (QoS) support for real time streams (voice/video).  ...  The applications of this wireless infrastructure range from civilian (e.g., ad hoc networking for collaborative, distributed computing) to disaster recovery (e.g., re, ood, earthquake), law enforcement  ... 
doi:10.1109/49.779920 fatcat:c2wyv27rrvgwdjn2drzzb5kg44

State of the art baseband DSP platforms for Software Defined Radio: A survey

Omer Anjum, Tapani Ahonen, Fabio Garzia, Jari Nurmi, Claudio Brunelli, Heikki Berg
2011 EURASIP Journal on Wireless Communications and Networking  
Software Defined Radio (SDR) is an innovative approach which is becoming a more and more promising technology for future mobile handsets.  ...  level language SW/ad-hoc language SW/ assembly Specific optimizations Available support for high level language LeoCore ✓ ✓ Coresoninc developer studio Sandblaster ✓ Auto-Vectorization  ...  Channel coding Error correcting codes have a major role in channel coding. These codes generate some redundant information based on the actual message.  ... 
doi:10.1186/1687-1499-2011-5 fatcat:apmz6jd4cbdcrpb76qnungmirq

911-NOW: A network on wheels for emergency response and disaster recovery operations

David Abusch-Magder, Peter Bosch, Thierry E. Klein, Paul A. Polakos, Louis G. Samuel, Harish Viswanathan
2007 Bell Labs technical journal  
It is an auto-configurable system with a fully integrated service architecture that can be deployed as a single-cell solution for local communication or be configured to operate as an ad hoc network of  ...  The 911-network on wheels (911-NOW) solution is a novel portable cellular system based on base station routers (BSRs) that does not require any pre-existing wireless infrastructure and provides capacity  ...  The authors also thank Krishan Sabnani and Mark Haner for their encouragement and continued support for this project.  ... 
doi:10.1002/bltj.20199 fatcat:66zhmzchwzbezkvvscsqahhm5a

OLSR-Aware Distributed Channel Access Scheduling for Wireless Mesh Networks

Miray Kas, Ibrahim Korpeoglu, Ezhan Karasan
2009 2009 IEEE Wireless Communications and Networking Conference  
In OA-TDMA, each node makes decisions in a distributed manner with no central control, using the local information disseminated by the OLSR protocol.  ...  In this paper, we present OA-TDMA (OLSR-Aware TDMA), a TDMA based cross-layer channel access scheduling scheme which uses the information collected by the OLSR routing protocol.  ...  As OLSR is one such protocol which is among the most popular routing protocols in ad-hoc and mesh networks, in this study we investigate the channel access problem in WMNs with OLSR as the routing protocol  ... 
doi:10.1109/wcnc.2009.4917841 dblp:conf/wcnc/KasKK09 fatcat:hw4hskjuhvaefmrnoczo3g3w6m

Multiple Access Protocols and Scheduling Algorithms for Multiple Channel Wireless Networks [chapter]

Aniruddha Rangnekar, Chonggang Wang, Krishna Sivalingam, Bo Li
2005 Handbook of Algorithms for Wireless Networking and Mobile Computing  
In the distributed architecture, nodes are deployed in an ad hoc manner and a base station cannot be deployed as the nodes move in and out of the network.  ...  A. Group Allocation Multihop Multiple Access (GAMMA) GAMMA [6] is a MAC protocol designed for ad hoc networks with multiple transmission channels.  ... 
doi:10.1201/9781420035094.ch5 fatcat:rp2txwb2mzcwpckj2f7be7w4bm
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