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Section 1

1.1 Introduction

Ofcom published its consultation document on Ultra Wideband (UWB) in January 2005, with a closing date for responses in March 2005. The UWB consultation document asked for views on our proposal that we work with European bodies to achieving a harmonised approach throughout Europe to UWB and consulted on what view we should present to these bodies. This note summarises those responses and presents our reaction to them.

1.2 Conclusions

In summary, the responses to the consultation led us to conclude that the approach that we proposed is broadly appropriate, considering that further study is underway into BFWA and the 2.5GHz band, with the following exceptions:

• The points raised in response to our technical studies require further assessment.
• It would be advantageous to find some means of mitigating interference to BFWA. Most promising appears to be detect & avoid, although this requires further study.
• Further study is needed to confirm that interference into radio astronomy can be mitigated.
• Fixed outdoor deployments should be banned.
• A tighter roll-off below 3.1GHz should be studied to understand the optimal slope.
• Some parameters should be defined, including the minimum peak to average ratios and the ability to turn devices off. Others require further study.

We should also examine the measurement process for UWB devices and clarify a number of detailed parameters around how we will confirm conformance to the mask.

1.3 Next steps

Now that we have consulted and understood better the concerns of key stakeholders, the next step is to input our preferences to CEPT such that these can be considered as part of the process of satisfying the EC mandate. We will develop a position paper setting out our preference, in line with the summary above, and input this to CEPT ECC TG3. We will then remain active within CEPT, with the aim of reaching European consensus as soon as possible, while protecting UK interests.

The full document is available below

• Summary and reaction to responses received to the consultation - Ultra Wideband [pdf]
  Full print version

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