公开(公告)号：US20160105911A1

公开(公告)日：2016-04-14

申请号：US14879007

申请日：2015-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Seong Kim ,  Soeng-Hun Kim ,  Himke Van Der Velde

IPC: H04W74/08 ,  H04W74/00

Abstract: The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-NB with a small cell service area in heterogeneous e-NB cell carrier integration (dual connectivity or inter-eNB carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided. The method includes receiving a configuration request message for configuring a Serving Cell Group (SCG) from a second eNB located in a service area of a first eNB through the first eNB; configuring an SCG cell based on the configuration request message, and sending a configuration response message in response to the configuration request message to the second eNB through the first eNB; and performing random access if there is uplink data present on a logic channel (LCH) relocated into the SCG cell.

公开(公告)号：US20150223270A1

公开(公告)日：2015-08-06

申请号：US14609266

申请日：2015-01-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Seong Kim ,  Soeng-Hun Kim ,  Himke Van Der Velde

IPC: H04W74/08 ,  H04W74/00 ,  H04W56/00 ,  H04W72/04

Abstract: The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-NB with a small cell service area in heterogeneous e-NB cell carrier integration (dual connectivity or inter-eNB carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided. The method includes receiving a configuration request message for configuring a Serving Cell Group (SCG) from a second eNB located in a service area of a first eNB through the first eNB; configuring an SCG cell based on the configuration request message, and sending a configuration response message in response to the configuration request message to the second eNB through the first eNB; and performing random access if there is uplink data present on a logic channel (LCH) relocated into the SCG cell.

Abstract translation: 本发明涉及一种用于在移动中的异构e-NB小区载波集成（双连接或eNB间载波聚合）中具有小小区服务区的小小区e-NB的用户设备中执行随机接入的方法和装置 通讯系统 根据本公开的一个方面，提供了一种用于在移动通信系统中执行随机接入的方法。 该方法包括通过第一eNB从位于第一eNB的服务区域的第二eNB接收配置服务小区组（SCG）的配置请求消息; 基于所述配置请求消息配置SCG小区，并且响应于所述配置请求消息通过所述第一eNB向所述第二eNB发送配置响应消息; 以及如果在重新定位到SCG单元中的逻辑信道（LCH）上存在上行链路数据，则执行随机访问。

公开(公告)号：US20150208235A1

公开(公告)日：2015-07-23

申请号：US14599928

申请日：2015-01-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mangesh Abhimanyu Ingale ,  Himke Van Der Velde ,  Rajavelsamy Rajadurai ,  Woo-Seong Kim

IPC: H04W12/04 ,  H04W80/02 ,  H04L5/00 ,  H04W74/08

CPC classification number: H04W12/04 ,  H04L5/0048 ,  H04W12/12 ,  H04W74/0833 ,  H04W76/15 ,  H04W80/02

Abstract: A system and method provide a security aspect for a UE in dual connectivity mode of operation in wireless communication networks. The system and method provide secure simultaneous transmission and reception in a secure manner between a User Equipment (UE) and one or more eNodeBs (eNBs) configured in an inter-eNB carrier aggregation scenario. The system establishes of a security context between the UE and the Secondary eNB (SeNB) using the RRC signaling between the UE and the Master eNB (MeNB), when a plurality of SCells within SeNB are added simultaneously. The system also detects the intruder in the user data radio bearers, while a UE is operating in dual connectivity mode of operation.

Abstract translation: 系统和方法为在无线通信网络中的双连接操作模式中的UE提供安全方面。 该系统和方法以安全的方式在用户设备（UE）和在eNB间载波聚合场景中配置的一个或多个eNodeB（eNB）之间提供安全的同时发送和接收。 当同时添加SeNB内的多个SCell时，系统使用UE与主eNB（MeNB）之间的RRC信令，在UE与辅助eNB（SeNB）之间建立安全上下文。 该系统还检测用户数据无线电承载中的入侵者，而UE正在双重连接操作模式下操作。