Inventor

UM JUNG-SUN

KR48 patents

⚠️ This page may combine multiple inventors who share the name “UM JUNG-SUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UM JUNG-SUN

ELECTRONICS & TELECOMMUNICATIONS RES INST

Method and apparatus for transmitting sounding reference signal in wireless communication system of unlicensed band and method and apparatus for triggering sounding reference signal transmission

Operating method of communication node in network supporting licensed and unlicensed bands

Scheduling method for communication network supporting unlicensed band

Scheduling method for communication network supporting unlicensed band

Data frame structure and operation method for sharing unlicensed spectrum in wireless communication system and apparatus thereof

Apparatus for converting frequency and RF transmitter comprising same

Method and apparatus for transmitting signal in unlicensed band communication system, method and apparatus for scheduling uplink, and method and apparatus for transmitting information about channel state measurement section

Method and apparatus for configuring frame of unlicensed band

Method and apparatus for determining contention window size in communication system

Method and apparatus for transmitting sounding reference signal in wireless communication system of unlicensed band and method and apparatus for triggering sounding reference signal transmission

Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof

Method and apparatus for signal configuration and method for signal transmission

Method and apparatus for generating shared information for joint use of frequencies between radio stations

Method for transmitting uplink data considering hidden node problem and channel occupation of user terminals

Method for communicating in network supporting licensed and unlicensed bands

Method and apparatus for transmitting sounding reference signal in wireless communication system of unlicensed band and method and apparatus for triggering sounding reference signal transmission

Method and apparatus for transmitting sounding reference signal in wireless communication system of unlicensed band and method and apparatus for triggering sounding reference signal transmission

Method and apparatus for determining operating conditions for frequency coexistence

Method for scheduling uplink transmission in communication network

Apparatus and method for avoiding collisions between wireless communication systems

Method and system for performing initial ranging in cognitive radio network

Method and apparatus for analysis of spectrum use status

Methods and an apparatus for carrier aggregation

Operation methods of communication node in network supporting licensed and unlicensed bands

Device and method for allocating coexistence resource in unlicensed band

Method and apparatus for transmitting and receiving signal in communication network

Terminal and method for allocating resource

HWANG SUNG-HYUN

Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof

Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof

Network communication method and network device using preamble

Method and apparatus of hybrid burst mapping in OFDMA systems

Transmission power control method and device for cognitive radio device

KOREA ELECTRONICS TELECOMM

Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof

Spectrum sensing method and spectrum sensing device

Apparatus and method of estimating channel in consideration of residual synchronization offset

UM JUNG SUN

Communication method using a preamble to share characteristic information, method for generating the preamble, and communication system to which the methods are applied

Method and device for transmitting a preamble in a wireless communication system

Method and device for communication between devices with different transmission coverage

KO GWANGZEEN

Hybrid beaconing method

Channel switching apparatus and method of a base station and channel switching apparatus and method of a terminal based on the cognitive radio system

Relay station for cell information exchange between adjacent BSs over air links in cellular systems

HWANG SUNG HYUN

Apparatus and method for controlling subcarrier spacing in a wireless communication system

Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the same

PARK JAE HYUN

Secondary transmitter included in cognitive radio communication system and communication method of the secondary transmitter

Cognitive radio base station and communication method thereof in multi-user multiple-input multiple output cognitive radio network system

UM JUNG-SUN

Apparatus and method for communication in cognitive radio network

KO GWANG ZEEN

Method and apparatus for detecting heterogeneous communication system

YOU SUNG-JIN

Method and apparatus for compressing frame