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Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.
Unicast demand on wireless networks are being dominated by users who watch multi-media content on their own time. Broadcast is not a suitable solution for today's wireless users. Broadcast services have failed to enter the mainstream of mobile business. In this paper we propose a novel way of using Enhanced Multimedia Broadcast Multicast Service (eMBMS) in LTE to deliver content predictively to the...
This paper deals with problems of speech transmission quality measurement in TCP/IP networks. It focuses on problems caused by the inaccuracy of current methods for measuring the quality degradation caused by packet loss and jitter. The proposed solution is to use longer samples for listening tests. This article compares three evaluation methods for listening tests.
In this paper, the earlier developed error floor model for the peak performance estimation of OFDM transmission over multipath channel with small delay dispersion is enhanced by deriving a novel expression for estimating the optimal sampling delay in the power delay profile. The validity of the estimation is checked in the LTE FDD downlink environment by means of the industry-standard simulator that...
Pilot contamination has become a major capacity bottleneck in massive MIMO systems. To mitigate pilot contamination, a novel cell sectorization-based pilot assignment (CS-PA) scheme is proposed in this paper. By separating the users that transmit the same pilot in physical space, the pilot transmitted by the user in each sector is orthogonal with pilots transmitted by the users in adjacent sectors...
Motivated by the importance of the Ricean Statistical model in describing communication channels, in this paper we study statistical behavior of dual-hop amplify-and-forward relay transmission over non-identical Ricean fading channels. Fixed gain (FG) amplification at the relay is assumed. Two most important statistical functions describing total received signal-to-noise ratio are derived: probability...
Network coding has recently received significant attention as an innovative approach to improve the throughput of wireless communication systems. The multiple access relay channel (MARC), in which multiple users communicate with a common destination via a relay, is one of the important network coding applications for wireless cooperative communications. In this paper, link adaptive relaying (LAR)...
This paper addresses the issue of high computational complexity associated with side information (SI) estimation in orthogonal frequency division multiplexing (OFDM) systems that implement selected mapping (SLM) to reduce peak-to-average power ratio (PAPR). The proposed method is based on a slightly modified SLM approach that enables the use of a low complexity binary detection criterion for SI estimation,...
Body area network is now on its speedway of development, which stresses the importance of in-body localization. Wireless capsule endoscopy, one major application in BAN, helps physicians to work out better treatments and inspections of gastrointestinal tract if wireless capsule endoscope could be more accurately localized. In this paper we first propose the CRLB of TOA ranging inside homogeneous tissue...
With the aging global population, according to WHO, 1-in-3 individuals over the age of 65 years (a total of 65 million people worldwide) suffer from hearing loss. This paper tap on the ubiquitous mobile device and proposes the development of a mobile phone based assistive visual aid for the elderly hearing impaired to assist them in their daily life when they choose not to or cannot afford to wear...
This paper studies the wake-up scheduling problem for fixed-rate wireless transmissions with real-time constraints. Our goal is to minimize the overall energy costs, including the operating cost and wake-up cost, while still guaranteeing the deadline of each individual task. In particular, we consider the homogeneous case in which it takes the same amount of time to serve each task and each task needs...
Mobile-health (m-health) systems leverage wireless and mobile communication technologies to promote new ways to acquire, process, transport, and secure the raw and processed medical data to provide the scalability needed to cope with the increasing number of elderly and chronic disease patients requiring constant monitoring. However, the design and operation of such health monitoring systems with...
This paper validates the progression and expected trends of integrated wireless and mobile communication technologies. Currently, integrated wireless and mobile communication technologies have allowed for high quality end-user experience with acceptable level of usage and efficiency in business organizations. Forthcoming mobile broadband life creates new norms and expectations for end-users from the...
Wireless LANs have been widely used to carry out a system to access Internet. WLAN security becomes mission one, especially a new type of attacks called covert channel based attack surfaced over the past few years. This attack uses different data rates provided in WLAN to transmit a secret message. Detecting this covert channel could be difficult due to existence of rate diversity in 802.11 WLAN....
The filter bank multicarrier techniques considered for efficient transmission in communication systems generally rely on the offset-QAM modulation, which implies doubling the processing speed in transceivers. In contrast, the scheme presented here, based on the complex lapped transform, is running at the same symbol rate as OFDM. It does not require a cyclic prefix and, in the multi-user context,...
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