5,624 research outputs found
Representing Childhood and Forced Migration: Narratives of Borders and Belonging in European Screen Content for Children
This article explores representations of childhood and forced migration within a selection of European screen content for and about children. Based on the findings of a research project that examined the intersections of children’s media, diversity, and forced migration in Europe (www.euroarabchildrensmedia.org), funded by the UK’s Arts and Humanities Research Council, the article highlights different ways in which ideas of borders and belonging are constructed and deconstructed in a selection of films and television programmes that feature children with an immigration background. Drawing on ideas around the “politics of pity” (Arendt), the analysis explores conditions under which narratives of otherness arise when it comes to representing forcibly displaced children within European-produced children’s screen media. It also examines screen media that destabilize borders of “us” and “the other” by emphasizing the agency of children from migration backgrounds, and revealing both the similarities and the differences between European children with immigration backgrounds and White European-born children. It is argued here that, operating according to the notions of living “together-in-difference” (Ang), “narratability” (Chouliaraki and Stolic), and “the struggle for belonging” (Kebede), these representations destabilize narratives of borders and otherness, suggesting that children with a family history of immigration “belong” to European societies in the same ways as White European-born children
Cognitive and Energy Harvesting-Based D2D Communication in Cellular Networks: Stochastic Geometry Modeling and Analysis
While cognitive radio enables spectrum-efficient wireless communication,
radio frequency (RF) energy harvesting from ambient interference is an enabler
for energy-efficient wireless communication. In this paper, we model and
analyze cognitive and energy harvesting-based D2D communication in cellular
networks. The cognitive D2D transmitters harvest energy from ambient
interference and use one of the channels allocated to cellular users (in uplink
or downlink), which is referred to as the D2D channel, to communicate with the
corresponding receivers. We investigate two spectrum access policies for
cellular communication in the uplink or downlink, namely, random spectrum
access (RSA) policy and prioritized spectrum access (PSA) policy. In RSA, any
of the available channels including the channel used by the D2D transmitters
can be selected randomly for cellular communication, while in PSA the D2D
channel is used only when all of the other channels are occupied. A D2D
transmitter can communicate successfully with its receiver only when it
harvests enough energy to perform channel inversion toward the receiver, the
D2D channel is free, and the at the receiver is above the
required threshold; otherwise, an outage occurs for the D2D communication. We
use tools from stochastic geometry to evaluate the performance of the proposed
communication system model with general path-loss exponent in terms of outage
probability for D2D and cellular users. We show that energy harvesting can be a
reliable alternative to power cognitive D2D transmitters while achieving
acceptable performance. Under the same outage requirements as
for the non-cognitive case, cognitive channel access improves the outage
probability for D2D users for both the spectrum access policies.Comment: IEEE Transactions on Communications, to appea
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