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This paper presents a 3 dB compact Ultra-Wide-Band (UWB) Substrate Integrated Gap Waveguide (SIGW) based hybrid coupler suitable for 5G mm-wave applications. It is a key component in signal processing for wireless communication. It provides a way to control the power distribution of the signal along different ports. It could be used to achieve beamforming and adaptive antenna system. The design steps started with implementing a unit cell of the gap waveguide structure satisfying the required bandwidth of the coupler. A supercell is then implemented. A network of complete ridges is constructed. A further step is to design a coupling section which achieves the required power distribution along the coupling and isolated ports. This coupling section is implemented using a novel approach of inserting an elliptical slot with variable major and minor axes with a certain orientation that achieves the standard performance of a 3 dB directional coupler with 90◦±5% phase shift. For precise adjustment of this amplitude and phase, vias are further added perpendicular to the major axis of the slot. Its dimension and location have to be optimized. The Finite-Integral-Time-Domain (FDTD) analysis method is adopted (CST Microwave Studio). In addition, another novel approach is developed on this coupler such that the transition and gap layer is implemented on the same PCB layer, which saves the number of layers to only two layers compared to the usual three layers used in literature. Also, using SIGW technology saves the collapse of the top ground layer on the ridge structure, and only plastic pins are used to fix the two layers. The proposed coupler is fabricated and tested, and the results show that it serves the majority of frequency bands employed in 5G systems in the USA and Canada. [ABSTRACT FROM AUTHOR]

This paper describes several small printed circuit board planar antennas that can be integrated with amplifiers for short-range vehicle wireless communication. The antennas are designed for the 315-MHz frequency band, which is commonly used for control and security devices in the USA and Canada. Each antenna has dimensions of 50 × 70 mm (much less than the free-space wavelength λ = 0.95 m) and is implemented on FR-4 dielectric substrate. These investigated antennas were compared with respect to input impedance, radiation resistance, radiation efficiency, directivity, directionality, bandwidth, matching system complexity, and gain. This paper also includes experimental verification of the final antenna design in the vehicle. It is shown that the antenna diversity method can increase communication range for remote keyless entry systems. [ABSTRACT FROM AUTHOR]

Although there is a growing literature on the use of telepresence robots in institutional dementia care settings, limited research focused on the perspectives of frontline staff members who deliver dementia care. Our objective was to understand staff perspectives on using telepresence robots to support residents with dementia and their families. Guided by the Consolidated Framework for Implementation Research, we conducted four focus groups and 11 semi-structured interviews across four long-term care (LTC) homes and one hospital in Canada. We included 22 interdisciplinary staff members (e.g., registered nurses, social workers, occupational therapists, recreational therapists) to understand their experiences with telepresence robots. Thematic analysis identified three key themes: 1) Staff Training and Support; 2) Robot Features; 3) Environmental dynamics for Implementation. Our results underscore the imperative of structural support at micro-, meso- and macro-levels for staff in dementia care settings to effectively implement technology. This study contributes to future research and practice by elucidating factors facilitating staff involvement in technology research, integrating staff voices into technology implementation planning, and devising strategies to provide structural support to staff, care teams, and care homes. [ABSTRACT FROM AUTHOR]

This paper reports on a recently concluded empirical study into the development of Wireless E9-1-1 (emergency service) in Canada that initially focussed on privacy concerns raised in the context of an emerging location based service (LBS) for mobile phone users. In light of existing regulatory arrangements this paper concludes that in Canada the emerging Wireless E9-1-1 system establishes a reasonable level of protection for the privacy rights of mobile phone users who choose to contact emergency services. However, an important and surprising issue was raised in the proceedings regarding the obligation of wireless service providers offering prepaid mobile phone service to obtain verifiable subscriber records from their customers. This paper provides details regarding the issue and contributes a number of points to an emerging debate concerning the right to anonymity for customers who elect to use prepaid or other services provided over commercial networks. [ABSTRACT FROM AUTHOR]

Objectives. This article will address the process involved in the development and implementation of a clinician-driven portable electronic chart on an Acute Pain Management Service (APMS). We describe the latest version of the program and provide 1 year of clinical data. Setting. Tertiary care center in Kingston, Ontario, Canada. Patients. All patients admitted to the APMS between August 1, 2005, and July 31, 2006. Results. A total of 8,726 APMS visits were made to 2,528 patients. Mean length of stay on the Service was 2.3 days. Sixty-one percent of patients reported an active pain score >3/10. Pain scores were highest with hip or knee surgery. Thirty-five percent of patients reported nausea. Conclusions. Executive sponsorship, alignment with institutional priorities, and user input are essential to the development, implementation, adoption, and sustainability of an electronic patient record. Ready access to data at the bedside can improve quality of care, while ongoing, comprehensive data can contribute to Phase IV drug trials. Incorporating both clinical and research outcomes in the database improves data quality and usability, but must be balanced with the impact of clinical time constraints on documentation. Wireless technology and Tablet computers provide portability and adequate screen size for documentation and reviewing of patient data on an acute pain service. It is necessary to provide solutions to process issues, such as printing electronic records during the transition from paper to electronic records. [ABSTRACT FROM AUTHOR]

Distracted driving caused by cellphone use is a significant source of needless injuries. These injuries place unnecessary financial burden, emotional stress and health care resource misuse on society. This paper states the Canadian Association of Emergency Physician's (CAEP's) position on cellphone use while driving. In recent years, numerous studies were conducted on the danger of cellphone use while driving. Research has shown that cellphone use while driving negatively impacts cognitive functions, visual fields, reaction time and overall driving performances. Some studies found that cellphone use is as dangerous as driving under the influence of alcohol. Moreover, vehicle crash rates were shown to be significantly higher when drivers used cellphones. Countermeasures have been implemented in recent years. Over 50 countries worldwide have laws limiting the use of cellphones while driving. Six Canadian provinces, Newfoundland and Labrador, Nova Scotia, Quebec, Ontario, British Columbia and Saskatchewan, currently have legislation prohibiting cellphone use. Other provinces are considering implementing similar bans. As emergency physicians, we must advocate for injury prevention. Cell phone related road traumas are avoidable. CAEP supports all measures to ban cellphone use while driving. [ABSTRACT FROM AUTHOR]

This paper employs optimization to improve the performance of the system the Canadian Army uses to give a Commander a picture of where his forces are. This system uses the Army's wireless battlefield communication network to send vehicle positions as data messages. The difficulty is that, when vehicles compete to send these reports, the messages sometimes collide and this wastes valuable network capacity. At the heart of the problem is the channel access control mechanism. We show how a simple change to this mechanism can improve the system's performance significantly. [ABSTRACT FROM AUTHOR]

This article gives discussion points for teaching a case on commercialization. This case takes place in a small Canadian information technology firm that has decided it wishes to become a world leader in wireless technologies. The case offers the student the opportunity to examine the challenges a small, unknown firm faced in pursuing commercialization of a product subject to network effects. Because this is a new-to-the-market technology being commercialized by a small, unknown, Canadian firm, the resolution to the case must be dealt with in the light of significant resource constraints, among them the lack of legitimacy of the firm and its product. As the decision point involves preparation for a top management meeting, the case lends itself to a simulation of that meeting. The debate that would subsequently ensue would involve students arguing for a particular course of action while using underlying theory and concepts to justify choices, and in so doing, enumerating the strengths, resources and challenges faced by this firm, as well as their implications. Some of the topics for debate could be private labeling the BlackBerry; pursuing aggressive licensing and an Intel inside strategy; selling out to Motorola or another major player; cooperating with potential competitors; and timing and direction of product development.