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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


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


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

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Editor: Richard Lambley

Advertisement manager: Charles Sheppard

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

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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

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