Contents


of staggering growth in mobile


A November 2011 Volume 18 Number 11


data traffic levels suggests that the end of the mobile revolution hasn’t quite reached us yet. Wireless operators everywhere – and especially those handling next year’s Olympic Games in London – will suffer headaches in handling these multiplying traffic loads. However, one tool to help them will be the growing range of technologies for in-building wireless coverage, since it’s in enclosed spaces that much of the heaviest traffic is likely to be generated. In this issue we take a look at some of these tools and techniques. Richard Lambley, Editor


Land Mobile is published by: A&D Media Ltd, Jesses Farm, Snow Hill, Dinton, Salisbury, Wiltshire SP3 5HN Tel: 01722 716996 Fax: 01722 716926


In-building coverage systems News


MPs blame infi ghting that is delaying new mobile services; Ofcom maps the UK’s coverage not-spots; and the fi rst two spacecraft in Europe’s answer to GPS are placed in orbit


Switching on


The tracking system that monitored a charity swim, an innovative iPhone cloud app that manages a mobile workforce, computing aboard the Sea Monster, and an SMS fi re alarm that can reach out to deaf people


Digital


The promise of ‘cost-optimized’ digital technologies; hands-free ground handling at a major UK airport; tunnelling through Airwave; and e-notebooks for a county police force 12


Wireless effi ciency in the NHS


Appropriate use of wireless communications can help health providers enhance patient care while reducing their paper burden and saving time. Ben Wilson explains


A business case for wireless


Martin Poppelaars declares that the real-world benefi ts of wireless networking can be seen in almost every industry


LAND mobile November 2011 18 16 8 4 22 Technologies and systems to handle the traffi c loads of the near future Distributed antenna systems


Tony Lefebvre shows how DAS can deliver a range of in-building services with the performance demanded by today’s users 22


From the outside in


Håkan Samuelsson discusses the pitfalls in providing comprehensive coverage indoors and suggests some solutions


Beneath the city streets


Leaky feeder cables and underground repeaters provide electricity workers with reliable radiocommunications in a tunnel network which lies under the Finnish capital


Products


An NXDN vehicle radio for easy migration to digital, an Android tablet designed for hard knocks, and new workforce software tools 32


People Looking at...


...carrier aggregation: Ian Poole outlines an up- and-coming technique which will enable LTE to meet future demand without having to wait for large chunks of spectrum to be cleared


34 3 33 30 24


Reader enquiry and subscription services: call free 0800 137201 (for addresses outside the UK, +44 1722 716997).


Editor: Richard Lambley richard@landmobile.co.uk


Advertisement manager: Charles Sheppard charles.sheppard@markallengroup.co.uk


Tel: 01722 71015


Publishing director: Jon Benson Production director: Richard Hamshere Circulation director: Sally Boettcher Managing director: Mark Allen Graphic designer: Laura Spencer Printed by: Pensord Press Ltd


ISSN 1352-2701


Annual subscription rate for non-qualifying readers is £50 (UK and worldwide).


Views expressed in this magazine do not necessarily represent those of the editor or publisher. The publisher can accept no liability for any consequential loss or damage, howsoever caused, arising from any information printed.


All rights reserved. Whether in whole or in part, in any form or by any means, this publication may not be reproduced, stored in a retrieval system or transmitted without the written permission of the publisher.


©2011 A&D Media Ltd


wave of predictions


The paper used within this publication has been obtained from Chain-of-Custody certifi ed manufacturers, operating within international environmental standards, to ensure sustainable sourcing of the raw materials, sustainable production and to minimise our carbon footprint.


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36