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Method and apparatus for rapidly reporting frequency measurement results in next generation mobile communication system

專利號
US10785668B2
公開日期
2020-09-22
申請人
Samsung Electronics Co., Ltd.（KR）
發(fā)明人
Donggun Kim; Soenghun Kim; Jaehyuk Jang
IPC分類
H04W24/10; H04L29/06; H04W48/12
技術(shù)領(lǐng)域
pdcp,ue,rrc,rlc,message,may,gnb,sdu,in,scg
地域： Gyeonggi-do

摘要

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A control method of a user equipment (UE) in a wireless communication system is provided. The method includes receiving packet data convergence protocol (PDCP) configuration information including information indicative of whether a PDCP layer supports out-of-sequence delivery; identifying whether the PDCP layer supports out-of-sequence delivery based on the PDCP configuration information; and processing a PDCP protocol data unit (PDU) based on a result of identifying whether the PDCP layer supports out-of-sequence delivery.

說明書

received packet is smaller than a sequence number (or COUNT value) corresponding to a Last_submitted variable). 3 If a packet is received within a window, determine the COUNT value of the received packet and update an HFN value, if necessary. 4 If the received packet is a redundant packet, check and discard the packet. 5 If the received packet is a normal packet, perform data processing on a PDCP PDU as a PDCP SDU and store it. 6 If the received packets is a lost packet (i.e., a gap is present between packets received in sequence, and if the received packet corresponds to the gap), may transmit contiguous PDCP SDUs including stored packets and the received packet to a higher layer, may update the Last_submitted variable (window advances), and may update a Reordering_PDCP_RX_COUNT value (the Reordering_PDCP_RX_COUNT value with an RX_NEXT value. When a PDCU SDU having a Reordering_PDCP_RX_COUNT?1 value is transmitted to a higher layer, stop and reset a reordering timer. If any packet not transmitted to a higher layer has been stored when the reordering timer is not driven, may drive the reordering time). 7 When the reordering timer expires, may transmit all of PDCP SDUs having a value smaller than the Reordering_PDCP_RX_COUNT value to a higher layer in sequence.

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