Abstract
FIELD: radio engineering communication.SUBSTANCE: invention relates to wireless communication. A method for reporting power headroom is disclosed. Power headroom may be reported for all carriers (wideband) for a specific carrier or for a carrier group. The formula used to calculate the power headroom depends on whether the carrier (or a carrier in a carrier group) has a valid uplink grant. If the carrier or carrier group does not have a valid uplink grant the power headroom may be calculated based on a reference grant. The power headroom is calculated by a wireless transmit/receive unit and is reported to an eNodeB.EFFECT: estimating and reporting representative information on power headroom (PH) when multiple carriers are allocated for WTRU in a LTE-A system and improved transmission and signalling of information on PH to support efficient PH reporting in LTE-A.43 cl 7 dwg
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Technologies
Resource configuration Power Control
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Transmitting/receiving data in uplink
Claim
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