name: 3GPP TS 36.306
full_form: 3GPP Technical Specification 36.306
context: In WB-S1 mode, a UE operating in category CE can operate in either CE mode A or CE mode B (seeÂ 3GPPÂ TSÂ 36.306Â [44]). If a UE that supports CE mode B and operates in WB-S1 mode not using satellite E-UTRAN access, the UE's usage setting is not set to "voice centric" (see 3GPPÂ TSÂ 23.401Â [10]), and
  a)	the use of enhanced coverage is not restricted for the UE; or
  b)	CE mode B is not restricted for the UE (see 3GPPÂ TSÂ 23.401Â [10]);
  the UE shall apply the value of the applicable NAS timer indicated in tablesÂ 10.2.1 and indicated in tableÂ 10.3.1 for WB-S1/CE mode.
  A UE that supports CE mode B and operates in WB-S1 mode not using satellite E-UTRAN access shall not apply the value of the applicable NAS timer indicated in tableÂ 10.2.1 and tableÂ 10.3.1 for WB-S1/CE mode before receiving an indication from the network that the use of enhanced coverage is not restricted as described in this clause.
  The NAS timer value obtained is used as described in the appropriate procedure clause of this specification. The NAS timer value shall be calculated at start of a NAS procedure, and shall not be re-calculated until the NAS procedure is completed, restarted or aborted.
  The support of CE mode B by a UE is indicated to the MME by lower layers and shall be stored by the MME. When an MME that supports WB-S1 mode performs NAS signalling with a UE not using satellite E-UTRAN access, which supports CE mode B and operates in WB-S1 mode and the MME determines that:
  a)	the use of enhanced coverage is not restricted for the UE; or
  b)	CE mode B is not restricted for the UE (see 3GPPÂ TSÂ 23.401Â [10]);
  the MME shall calculate the value of the applicable NAS timer indicated in tablesÂ 10.2.2 and indicated in tableÂ 10.3.2 for WB-S1/CE mode.
  The NAS timer value obtained is used as described in the appropriate procedure clause of this specification. The NAS timer value shall be calculated at start of a NAS procedure and shall not be re-calculated until the NAS procedure is completed, restarted or aborted.
description: This specification provides details on the Evolved Universal Terrestrial Radio Access (E-UTRA) and E-UTRAN.
explanation: Categorized as a Specification because it outlines technical requirements for E-UTRAN.
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