Global Standards Collaboration (GSC) 14
DOCUMENT #:
GSC14-GRSC7-016
FOR:
Presentation
SOURCE:
Radio Microphones Task Force
AGENDA ITEM:
GRSC 7.2
CONTACT(S):
Brian Copsey
GRSC Radio Microphone
Task Force Report
Presenter: Adrian Scrase, VP ETSI ESP
Source: Brian Copsey, Chairman
GRSC Radio Microphone Task Force
Geneva, 13-16 July 2009
Fostering worldwide interoperability
Highlight of Current Activities (1)
As raised last year, the “Digital Dividend”
obtained by the switching off of analogue TV has
been the major focus this year.
Radio microphones in Europe have traditionally
used the whole broadcast band 470 – 862 MHz
on a secondary licensed or unlicensed basis.
Within Europe the proposals from CEPT/SE42 are
to clear the band 790-862 MHz and allow a LTE
based mobile service.
Considerable discussion has taken place on
replacement spectrum for Radio Microphones.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
2
Highlight of Current Activities (2)
A present the CEPT proposals are to use the
duplex gap between the base and terminal
allocations as shown in the next two slides.
Within ETSI the continuing erosion of traditional
radio microphone spectrum has been met by the
proposal for a Specialist Task Force (STF) to
investigate Cognitive Interference Mitigation,
slides 6 onwards provide detailed information on
its objectives.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
3
BEMs for the FDD duplex gap
5 MHz
Guard-band
FDD-UL
FDD-DL
13 dBm
-9 dBm/(5 MHz)
Geneva, 13-16 July 2009
Fostering worldwide interoperability
862 MHz
832 MHz
832 MHz
5 MHz
826 MHz
-43 dBm/5MHz
821 MHz
-43 dBm/5MHz
f
4
 Narrow-band devices
In-block emissions
In-block emissions (handheld)
In-block emissions (body-worn)
Out-of-block emissions
2 MHz
Guard-band
FDD-UL
FDD-DL
20 dBm
13 dBm
6 dBm
-25 dBm/5MHz
 Wideband devices
862 MHz
832 MHz
832 MHz
826 MHz
823 MHz
5 MHz
821 MHz
-43 dBm/5MHz
f
5 MHz
Guard-band
FDD-UL
FDD-DL
20 dBm
-1 dBm/5MHz
-25 dBm/5MHz
Geneva, 13-16 July 2009
862 MHz
832 MHz
832 MHz
826 MHz
5 MHz
821 MHz
-43 dBm/5MHz
Fostering worldwide interoperability
f
5
ETSI STF (1)
Cognitive Interference Mitigation
Techniques for use by Program
Making & Special Events (PMSE)
Devices
Phase 1:
ETSI Technical Report on Operation methods and
principles for spectrum access systems and quality
control of used spectrum for PMSE technologies utilising
cognitive interference mitigation techniques.
Phase 2:
ETSI Technical Specification on the recommended
spectrum access technique.
Phase 3:
ETSI Technical Report of the different RF compliance
tests for the selected spectrum access mechanism.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
6
ETSI STF (2)
The following liaisons will be established:
CEPT/ECC WGSE and ECC-TG 4 for the
provision of cognitive interference
mitigation regulatory requirements
EU and National Projects on the subject
IEEE 802.22 working group
Geneva, 13-16 July 2009
Fostering worldwide interoperability
7
ETSI STF (3)
The purpose of the work is to achieve coexistence of high audio quality PMSE devices
using often a 100% transmitter duty cycle
emission profile with victim radio services such as
Services in L-Band or Broadcast Services and
future Land Mobile Services and applications in
the UHF frequency range that is currently under
investigation under the “Digital Dividend”
discussions in EC, ECC and ETSI fora.
All procedures, techniques and solutions
developed by this STF should be ultimately
transferable to other SAB/SAP applications.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
8
ETSI STF (4)
techniques included, but not limited to:
a site installed database that may also use
GNSS positioning information.
an organisational radio channel or beacon
(intra- PMSE use) for PMSE in the UHF
frequency range.
intelligent detection and cataloguing of victim
systems.
the development of an L-Band spectrum
access demonstrator, using cognitive
interference mitigation techniques.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
9
Next Steps/Actions
2009 - 2010
As information becomes available it will be placed
in the Task Force docbox, and an e-mail sent to
the Task Force list. Once the CEPT/SE42 report is
finalized it and other relevant documents will also
be uploaded.
We welcome any information from other GSC
members on this and related subjects.
When the STF has completed its work there will
probably be a need to make changes in the ETSI
standards, it is proposed to also update the GRSC
document at the same time.
Geneva, 13-16 July 2009
Fostering worldwide interoperability
10