Dear 802.18 members,cc. 802.11, 802.15, and 802.19 members,Please refer to the following latest consultation from the UK Ofcom.The submission deadline is 15 September 2023. If you would like IEEE 802 LMSC to submit a response, please bring a contribution to IEEE 802.18 to review and consider approval no later than 3pm ET, Thursday, 24 August 2023.Regards,
Edward---------- Forwarded message ---------
From: Ofcom <Updates@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, Jul 6, 2023 at 2:57 AM
Subject: Sharing 6 GHz spectrum for Wi-Fi and mobile
To: Karen Mulberry <k.mulberry@xxxxxxxx>
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Sharing 6 GHz spectrum for Wi-Fi and mobile
More capacity for Wi-Fi and mobile internet users could be made available in the upper 6 GHz spectrum band, under a new approach being explored by Ofcom.
Demand for data has grown significantly in recent years – from people using both Wi-Fi and mobile networks – and we expect this to continue. This will put pressure on radio spectrum, the valuable and finite resource on which all radiocommunications depend.
The upper 6 GHz spectrum band is currently a focus for industry interest to support this ongoing traffic growth. This interest is split between using the band for the exclusive introduction of either licensed mobile use or low power licence exempt use such as Wi-Fi.
However, rather than choosing between the two, we believe an alternative approach is possible. We are exploring options that would enable the use of both Wi-Fi and mobile in the band. We are calling this ‘hybrid sharing’. Two examples for how this might be achieved are:
- Indoor outdoor split. Wi-Fi routers tend to be indoors – carrying broadband traffic within a localised indoor area; whereas mobile transmitters are mostly located outdoors – providing wider area coverage. So, we are exploring the possibility of enabling the indoor use of Wi-Fi while also enabling licensed mobile use outdoors.
- Geographical sharing. Most of the data traffic carried across mobile networks tends to be concentrated in a relatively small proportion of sites. It might be possible to enable licensed mobile use in specific high-traffic locations while allowing Wi-Fi use elsewhere. It might also be possible to prioritise Wi-Fi use in specific areas of high demand while allowing mobile use in other areas.
We are looking to identify appropriate hybrid sharing mechanisms to facilitate coexistence between licenced mobile and Wi-Fi in this band. We are also pressing for international harmonisation of hybrid sharing in this band, to enable economies of scale for equipment.
We are inviting comments on this approach by 15 September 2023.
Rhannu sbectrwm 6 GHz ar gyfer Wi-Fi a symudol
Gallai mwy o gapasiti i ddefnyddwyr rhyngrwyd Wi-Fi a symudol gael ei ddarparu yn y band sbectrwm 6 GHz uchaf, o dan ymagwedd newydd sy'n destun ymchwil gan Ofcom.
Mae'r galw am ddata wedi tyfu'n sylweddol yn ystod y blynyddoedd diwethaf - gan bobl sy'n defnyddio rhwydweithiau Wi-Fi a symudol ill dau - ac rydym yn disgwyl i hynny barhau. Bydd hyn yn rhoi pwysau ar sbectrwm radio, yr adnodd gwerthfawr a meidraidd y mae radiogyfathrebu yn ei gyfanrwydd yn dibynnu arno.
Ar hyn o bryd mae'r band sbectrwm 6 GHz uchaf yn ffocws o ddiddordeb ar gyfer y diwydiant i gefnogi'r twf parhaus hwn mewn traffig. Mae'r diddordeb hwn wedi'i rannu rhwng defnyddio'r band i gyflwyno defnydd symudol trwyddedig yn unig neu ddefnydd eithriad trwydded pŵer isel, fel Wi-Fi, yn unig.
Fodd bynnag, yn hytrach na dewis rhwng y ddau, credwn fod ymagwedd arall yn bosib. Rydym yn ymchwilio i opsiynau a fyddai'n galluogi'r defnydd o Wi-Fi a symudol ill dau yn y band. 'Rhannu hybrid' yw'r enw a roddwn i hyn. Dyma ddwy enghraifft o sut y gellid cyflawni hyn:
- Rhaniad rhwng awyr agored a dan do. Mae llwybryddion Wi-Fi yn dueddol o fod dan do - yn cludo traffig band eang o fewn ardal dan do leol; tra bod trosglwyddyddion symudol wedi'u lleoli'n bennaf yn yr awyr agored – gan ddarparu darpariaeth ardal ehangach. Felly, rydym yn ymchwilio i'r posibilrwydd o alluogi'r defnydd dan do o Wi-Fi ar yr un pryd â galluogi defnydd symudol awyr agored trwyddedig.
- Rhannu daearyddol. Mae'r rhan fwyaf o'r traffig data a gludir ar draws rhwydweithiau symudol yn tueddu i gael ei grynhoi ar gyfran gymharol fach o safleoedd. Gallai fod yn bosib galluogi defnydd symudol trwyddedig mewn lleoliadau traffig uchel penodol tra'n caniatáu defnydd Wi-Fi mewn mannau eraill. Gallai hefyd fod yn bosib blaenoriaethu defnydd Wi-Fi mewn ardaloedd penodol o alw mawr ar yr un pryd â chaniatáu defnydd symudol mewn ardaloedd eraill.
Rydym am nodi mecanweithiau rhannu hybrid priodol i hwyluso cydfodoli rhwng symudol a Wi-Fi trwyddedig yn y band hwn. Byddwn hefyd yn galw am gysoni rhannu hybrid yn y band hwn yn rhyngwladol, er mwyn galluogi arbedion maint ar gyfer offer.
Gwahoddwn sylwadau ar yr ymagwedd hon erbyn 15 Medi 2023.
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