The design and implementation of HomeRF: a radio frequency wireless networking standard for the connected home

Lansford, J.; Bahl, Paramvir

doi:10.1109/5.889006

Cited by 36 publications

(7 citation statements)

References 6 publications

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“…For example, the IEEE 802.11 24] standard speci es a M A C protocol that was designed to minimize the probability of collision. Emerging standards such as HomeRF 43,55] and Bluetooth 12,36] specify the entire wireless network stack. Typically, the stack l a yers are implemented independently.…”

Section: General-purpose Layered Architecturesmentioning

confidence: 99%

An application-specific protocol architecture for wireless microsensor networks

Heinzelman

Chandrakasan

Balakrishnan

2002

IEEE Trans. Wireless Commun.

9,329

6,686

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In recent y ears, advances in energy-e cient design and wireless technologies have enabled exciting new applications for wireless devices. 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 appliances. While these applications require high performance from the network, they su er from resource constraints that do not appear in more traditional wired computing environments. In particular, wireless spectrum is scarce, often limiting the bandwidth available to applications and making the channel error-prone, and the nodes are battery-operated, often limiting available energy.My thesis is that this harsh environment with severe resource constraints requires an applicationspeci c protocol architecture, rather than the traditional layered approach, to obtain the best possible performance. This dissertation supports this claim using detailed case studies on microsensor networks and wireless video delivery. 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 together with application-speci c data aggregation to achieve good performance in terms of system lifetime, latency, and applicationperceived quality. This approach improves system lifetime by an order of magnitude compared to general-purpose approaches when the node energy is limited. The second study develops an unequal error protection scheme for MPEG-4 compressed video delivery that adapts the level of protection applied to portions of a packet to the degree of importance of the corresponding bits. This approach obtains better application-perceived performance than current approaches for the same amount o f transmission bandwidth. These two systems show that application-speci c protocol architectures achieve the energy and latency e ciency and error robustness needed for wireless networks.

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Section: General-purpose Layered Architecturesmentioning

confidence: 99%

An application-specific protocol architecture for wireless microsensor networks

Heinzelman

Chandrakasan

Balakrishnan

2002

IEEE Trans. Wireless Commun.

9,329

6,686

View full text Add to dashboard Cite

show abstract

“…Wireless LAN standards such as IEEE 802.11 [25] and Home RF [32] include an optional provision for authentication and privacy based on shared keys, known as the Wired Equivalent Privacy (WEP) function. In this scheme, a shared key is configured into the access points and its wireless clients ahead of time.…”

Section: Mac Layer Approachesmentioning

confidence: 99%

Wireless hotspots

Balachandran

Voelker

Bahl

2003

Proceedings of the 1st ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots

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In recent years, wireless Internet service providers (WISPs) have established Wi-Fi hotspots in increasing numbers at public venues, providing local coverage to traveling users and empowering them with the ability to access email, Web, and other Internet applications on the move. In this paper, we observe that while the mobile computing landscape has changed both in terms of number and type of hotspot venues, there are several technological and deployment challenges remaining before hotspots can become an ubiquitous infrastructure. These challenges include authentication, security, coverage, management, location services, billing, and interoperability. We discuss existing research, the work of standards bodies, and the experience of commercial hotspot providers in these areas, and then describe compelling open research questions that remain.

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“…Unlike the simple ad hoc network, the topology of the sensor network barely changes. Currently, the analysis of wireless ad hoc sensor network gains a lot of attention [17,18,21,22], because this kind of network can be used in a variety of application areas such as health, military and emergence.…”

Section: Introductionmentioning

confidence: 99%

The (k,l) Coredian Tree for Ad Hoc Networks

Dvir

Segal

2008

2008 the 28th International Conference on Distributed Computing Systems Workshops

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In this paper, we present new efficient strategy for constructing a wireless tree network containing n nodes of diameter ∆ while satisfying the QoS requirements such as bandwidth and delay. Given a tree network T , a coredian path is a path in T that minimizes the centdian function, a k-coredian tree is a subtree of T with k leaves that minimizes the centdian function, and a (k, l)-coredian tree is a subtree of T with k leaves and diameter l at most that minimizes the centdian function. The (k, l)-coredian tree can serve as a backbone for a network, where intermediate nodes belong to the backbone and the leaves serve as the heads of the clusters covering the rest of the network. We show that a coredian path can be constructed at O(∆) time with O(n) messages and a k-coredian tree can be constructed at O(k∆) time with O(kn) messages. While a (k, l)-coredian tree can be constructed at O(n 2 ) time with O(n 2 ) messages. A simulation is presented for various values of n and k. 1

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The design and implementation of HomeRF: a radio frequency wireless networking standard for the connected home

Cited by 36 publications

References 6 publications

An application-specific protocol architecture for wireless microsensor networks

An application-specific protocol architecture for wireless microsensor networks

Wireless hotspots

The (k,l) Coredian Tree for Ad Hoc Networks

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