Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Sogang University Research Foundation

Northeastern University

Junyeub Suh

Joonseong Kang

Wonseok Lee

Jaechun Lee

Kijun Kim

Jonghyun Park

Sang Joon Kim

Young Jun Hong

Joon Seong Kang

Wonjin Sung

JongPal Kim

Hankyu Lee

Jong Pal Kim

Chisung Bae

Young-Jun Hong

Sangjoon Kim

Jae Chun Lee

Hui Fang

Hosik Kang

JunSik Shin

Jaehyeon Ryu

An implant system includes an implant device configured to generate a stimulation signal for a user using a power manager according to an operation mode based on biometric information of the user, and a wake-up device configured to switch the operation mode based on either one or both of an energy supply received through an external energy source different from the power manager and a result of counting a timer.

Implant system including wake-up device and operating method of implant system including wake-up device

An implant system includes an electrode portion comprising plural electrodes to perform nerve stimulation and nerve sensing, an impedance controller configured to selectively connect the plural electrodes between a stimulator to perform nerve stimulation and a sensor to perform nerve sensing based on a control signal, and set an impedance of each of the plural electrodes, and a processor configured to control a contact impedance by the plural electrodes by generating the control signal to control at least one of plural switches connected respectively to the plural electrodes, or variable resistors connected respectively to the plural electrodes, based on at least one of a selectively set purpose of the plural electrodes or a position of an electrode to which nerve stimulation is to be provided.

Implant system and method

A device includes: a wireless power receiver configured to receive wireless power from an external device external to a body; a capacitor configured to store therein the wireless power received by the wireless power receiver; a wireless transceiver configured to transmit, to the external device, information associated with stored energy of the capacitor and scheduled energy to be used; and a processor configured to operate with the stored energy of the capacitor and process a biosignal of the body, wherein an operation of the external device and an operation of the device are synchronized, and a wireless power quantity of the wireless power to be received by the wireless power receiver from the external device is determined based on the information transmitted from the wireless transceiver to the external device.

Implantable and external device and method

A quasi-isotropic antenna includes: a feeder; a loop antenna configured to radiate a first radio wave based on a feeding from the feeder; and a dipole antenna adjacent to the loop antenna, and configured to radiate a second radio wave by resonating based on a resonant-coupling with the loop antenna, wherein a radiation pattern of the first radio wave is orthogonal to a radiation pattern of the second radio wave.

Quasi-isotropic antenna

A communication device includes: a coil disposed around a core area of the communication device; a processor disposed in the core area and configured to establish communication with an external device through the coil; and a discrete element disposed on the coil and connected to the processor through a via.

Communication device to perform wireless communication and wireless power transfer, and electrode device to transmit and receive electrical signal from target

An antenna device is disclosed. The antenna device includes a main antenna element and a sub antenna element, the sub antenna element being configured to form a mutual coupling with the main antenna element where a central axis of the sub antenna element forms an angle different from a right angle with a central axis of the main antenna element.

Antenna device including mutually coupled antenna elements

A wireless device including a coil having loops, a first reception circuit, and a second reception circuit. The first reception circuit is configured to receive a signal of a first frequency band through a portion of the loops and the second reception circuit configured to inhibit the signal of the first frequency band through the loops.

Wireless device with shared coil

A method for transmitting and receiving signals based on a codebook in a multi-antenna wireless communication system, the method comprising: transmitting a channel state information reference signal (CSI-RS); and reporting channel state information to the base station; Wherein the channel state information includes a Precoding Matrix Indicator (PMI) for indicating a specific code vector among a plurality of code vectors included in the codebook, the codebook being included in each code vector And a phase difference between adjacent elements may be set to be different from each other.

Method for transmitting and receiving codebook based signal in multi-antenna wireless communication system and apparatus therefor

A method for constructing a codebook in a multiple-antenna wireless communication system and an apparatus therefor are disclosed. Specifically, constructing a codebook in a multiple-antenna wireless communication system comprises the steps of: receiving parameters for constructing a codebook from a base station; and constructing a codebook using the parameters for constructing the codebook, wherein the parameters for constructing the codebook may include a phase value (&#x3b1;) of a first code vector forming the codebook, a phase difference (&#x3b2;) between code vectors that are adjacent to one another within the codebook, and the number of bits (&#x3b3;) that is required when feeding back a code vector selected thin the codebook.

Method for constructing codebook in multiple-antenna wireless communication system, and apparatus therefor

A method for performing, by a UE, precoding using a codebook in a wireless communication system includes: receiving a reference signal for channel estimation from an eNB; estimating a channel through the received reference signal; determining a precoding matrix related to the estimated channel in a codebook; and feeding back, to the eNB, a precoding matrix index (PMI) corresponding to the determined precoding matrix, wherein the codebook is generated in consideration of at least one of a region to which the UE belongs and the position of the UE.

Growing community of inventors

Suwon-si, South Korea

Junyeub Suh