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How To Outperform IEEE 802.11: Interference Aware (IA) MAC
White Papers To make it feasible, the paper proposes to insert some information about interference and received power levels into IEEE 802.11 control packets. This paper proposes Interference Aware (IA) MAC, a modified version of standard IEEE802.11.
[January 1, 1970, 0:59]
Interference Evaluation Of Bluetooth And IEEE 802.11b Systems
White Papers The emergence of several radio technologies, such as Bluetooth and IEEE 802.11, operating in the 2.4 GHz unlicensed ISM frequency band, may lead to signal interference and result in significant performance degradation when devices are collocated...
[January 1, 1970, 0:59]
Coexistence Mechanisms For Interference Mitigation Between IEEE 802.11 WLANs And Bluetooth
White Papers It proposes two coexistence mechanisms based on traffic scheduling techniques, which mitigate interference between the two technologies. Results show that through the proposed coexistence mechanisms the interference between 802.11 and Bluetooth can...
[January 1, 1970, 0:59]
Experimental Assessment Of Media Synchronization Quality In IEEE 802.11b Under Bluetooth Interference
White Papers This paper assesses the media synchronization quality of audio-video transmission over the IEEE 802.11b wireless LAN under Bluetooth interference by experiment. In this situation, the temporal constraints of audio and video may be disturbed, since...
[January 1, 1970, 0:59]
Experimental Results For Interference Between Bluetooth And IEEE 802.11b DSSS Systems
White Papers This paper presents experimental results of interference measurements between sample Bluetooth and IEEE 802.11b DSSS devices. Co-located operation of these devices causes mutual interference and performance degradation.
[January 1, 1970, 0:59]
DIAR: A Dynamic Interference Aware Routing Protocol For IEEE 802.11-Based Mobile Ad Hoc Networks
White Papers This paper derives an interference aware metric NAVC based on the information collected from the IEEE 802.11 Medium Access Control (MAC) layer. A fundamental issue impacting the performance of mobile ad hoc networks is the wireless interference...
[January 1, 1970, 0:59]
Modeling And Simulation Of IEEE 802.11 Wireless-LAN And Bluetooth Piconet Range Interference
White Papers The proximity of wireless devices with one another often results in interference in the unlicensed 2.4 GHz ISM bandwidth. Interference has been recognized as a major problem to wireless network performance and improvement.
[January 1, 1970, 0:59]
Interference-Aware IEEE 802.16 WiMax Mesh Networks
White Papers The IEEE 802.16 WiMax standard provides a mechanism for creating multi-hop mesh, which can be deployed as a high speed wide-area wireless network. To realize the full potential of such high-speed IEEE 802.16 mesh networks, two efficient wireless...
[January 1, 1970, 0:59]
Channel-Aware Throughput Fairness In Multi-Cell Wireless LANs
White Papers Channel characteristics in multi-cell IEEE 802.11 wireless LANs are different from those in single-cell environments due to cross-channel interference. The IEEE 802.11 protocol does not have any provisions for rate guarantees in the presence of...
[January 1, 1970, 0:59]
Performance Evaluation Of Multiple IEEE 802.11b WLAN Stations In The Presence Of Bluetooth Radio Interference
White Papers There are several papers published in the past few years about the evaluation of IEEE 802.11(b) WLAN performance degradation due to Bluetooth radio interference. The results focus on the impact of Bluetooth interference on IEEE 802.11(b) WLAN systems.
[January 1, 1970, 0:59]
Performance Of IEEE 802.11 WLANs In A Bluetooth Environment
White Papers It presents a model of the interference that IEEE 802.11 WLANs may experience either because of a voice or a data Bluetooth link. It derives results showing that by applying simple traffic shaping techniques, interference can be significantly reduced.
[January 1, 1970, 0:59]
Adaptive Joint Interference Cancellation And Space-Time Block Decoding For IEEE 802.11b WLAN Systems
White Papers Digital transmission in Wireless Local Area Networks (WLANs) according to the IEEE 802.11b standard suffers from fading, InterSymbol Interference (ISI), and Co-Channel Interference (CCI). In this paper, receivers with Joint Interference...
[January 1, 1970, 0:59]
UWB Coexistence And Cognitive Radio: How Multiband-OFDM Leads The Way
White Papers Building on the IEEE 802.15.2 Recommended Practice and the framework developed by IEEE 802.19, researchers are developing techniques to separate UWB signals for others using time, frequency, power, space, and coding, the five techniques available...
[January 1, 1970, 0:59]
Intel Outlines Its Ultrawideband Position
News There are reports that the MBOA standard can generate more interference, uses more power and is more complex than the alternative. We generate less interference than something like a Gameboy or other electronic device.
[November 13, 2003, 11:25]
Ultrawideband Standards War Brewing, Says Intel
News Although the claims and counterclaims made by both camps haven’t been published, it is known that differences of opinion centre on the potential for the standard to cause interference with other radio users, on the cost and complexity of the chips...
[November 13, 2003, 10:45]
A Comparison Between Collaborative And Non-Collaborative Coexistence Mechanisms For Interference Mitigation In ISM Bands
White Papers This paper deals with the problem of mutual interference between IEEE 802.11 WLANs (Wireless Local Area Networks) and short-range radio systems based on the Bluetooth technology, or equivalently, IEEE 802.15 WPANs (Wireless Personal Area Networks).
[January 1, 1970, 0:59]
Extended Abstract: Understanding The Effect Of Access Point Density On Wireless LAN Performance
White Papers This paper presents a systematic experimental study of the effect of inter-cell interference on IEEE 802.11 performance. Thus, inter-cell interference is common but not well-understood. With increasing penetration of WiFi into residential areas and...
[January 1, 1970, 0:59]
Energy-Based Analysis Of Interfering IEEE 802.11b And Bluetooth Networks
White Papers The increasing use of unlicensed frequency bands for wireless data communications calls for detailed investigations of the potential interference problems. In this paper coexisting IEEE 802.11b and Bluetooth networks are analyzed with respect to...
[January 1, 1970, 0:59]
Estimation Of Link Interference In Static Multi-Hop Wireless Networks
White Papers This paper presents a measurement-based study of interference among links in a static, IEEE 802.11, multi-hop wireless network. Interference is a key cause of performance degradation in such networks.
[January 1, 1970, 0:59]
Modeling Path Capacity In Multi-Hop IEEE 802.11 Networks For QoS Services
White Papers QoS provision in multi-hop IEEE 802.11 networks is very challenging due to the interference nature of wireless medium and the contention-based behavior among neighboring nodes. In such networks, one of the key questions for QoS support is: given a...
[January 1, 1970, 0:59]
