User equipment and a radio network node, and methods therein for device-to-device communication

G Fodor, M Kazmi - US Patent 9,414,268, 2016 - Google Patents
Embodiments relate to device-to-device (D2D) communica tions in a communications
network (1), wherein the commu nications network (1) comprises a first user equipment (10) …

Mobile communication method and mobile switching center

H Takahashi, WA Hapsari, T Okamoto… - US Patent App. 13 …, 2012 - Google Patents
In view whereof, the present invention has been achieved in view of the above-described
problems, and an objective thereof is to provide a mobile communication method and a …

Communication control apparatus, terminal apparatus, and communication control method

N Mizusawa - US Patent 9,538,548, 2017 - Google Patents
Provided is a communication control apparatus including a communication unit configured
to receive, from a base station of a first radio communication system, grant information that …

Method for determining mobility of user equipment having dual connectivity in communication system

Y Deng, L Cai - US Patent App. 14/890,656, 2016 - Google Patents
(54) METHOD FOR DETERMINING MOBILITY Publication Classification OF
USEREQUIPMENT HAVING DUAL CONNECTIVITY IN COMMUNICATION(51) Int. Cl …

Apparatus and method for reducing interference and saving energy in femto/pico cell of hierarchical cell structure

HJ Ju, HG Kang, BH Yi, KY Han - US Patent 8,861,411, 2014 - Google Patents
An apparatus and a method manage power of a small base station. Whethera notify
message indicating that a subscribed terminal enters a macro base station that includes an …

Mobile communication system

M Maeda, M Mochizuki - US Patent 10,193,672, 2019 - Google Patents
(57) ABSTRACT A mobile communication system includes a plurality of eNBs that perform
radio communication with an UE and an MCE that controls the eNBs. The MCE indicates an …

Mobile communication system, base station, neighbor base station and user equipment

M Maeda, M Mochizuki - US Patent 11,496,263, 2022 - Google Patents
A mobile communication system includes a plurality of eNBs that perform radio
communication with an UE and an MCE that controls the eNBs. The MCE indicates an …

Communication system, base station and mobile terminal

M Maeda, M Mochizuki - US Patent 10,742,377, 2020 - Google Patents
A mobile communication system includes a plurality of eNBs that perform radio
communication with an UE and an MCE that controls the eNBs. The MCE indicates an …

Method and system of changing service points

X Ding - US Patent 9,538,440, 2017 - Google Patents
Various examples provide a method of changing service points. According to the method, a
serving service point obtains a changing request, and obtains a user identity from the …

Mobile communication system, radio apparatus, and radio frequency change method

H Fujii - US Patent 8,583,121, 2013 - Google Patents
BACKGROUND In recent years, a base station having a small communica tion coverage
area of up to several tens of meters in radius has been developed, and is referred to as a …