-
公开(公告)号：US10368261B2
公开(公告)日：2019-07-30
申请号：US14707550
申请日：2015-05-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seung-Hoon Park , Hyun-Seok Ryu , Peng Xue , Hyun-Kyu Yu , Cheol Jeong , Sang-Won Choi
Abstract: A synchronization method and an apparatus for Device-to-Device (D2D) communication in a User Equipment (UE) are provided. The method includes comparing a reception power of a signal received from an evolved Node B (eNB) with a first reference power, if the reception power is less than the first reference power, generating and transmitting a synchronization signal for D2D communication by operating as a synchronization reference UE, comparing the reception power of a signal received from the eNB with a second reference power, and if the reception power is greater than or equal to the first reference power and less than the second reference power, relaying a synchronization signal received from the eNB by operating as a synchronization relaying UE.
-
公开(公告)号：US10327106B2
公开(公告)日：2019-06-18
申请号：US15505903
申请日：2016-09-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Won-Joon Hwang , Hyun-Seok Ryu , Jeong-Ho Park , Peng Xue , Sang-Won Choi
Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data rates than a 4th generation (4G) communication system such as long term evolution (LTE). A method for positioning a user equipment (UE) in a wireless communication system includes receiving a reference signal (RS) in a first bandwidth from each of a plurality of anchor nodes scheduled for RS transmission by a network server, determining whether a path overlap has occurred between the UE and the anchor nodes based on symmetry of channel impulse responses of the received RSs, transmitting a bandwidth extension request message to the network server, upon occurrence of a path overlap, receiving an RS in a second bandwidth larger than the first bandwidth from each of the plurality of anchor nodes in response to the transmission of the bandwidth extension request message, and generating information required to position the UE, using the RSs received in the second bandwidth.
-
公开(公告)号：US10313839B2
公开(公告)日：2019-06-04
申请号：US15269981
申请日：2016-09-20
Applicant: Samsung Electronics Co., Ltd
Inventor： Won-Jun Hwang , Hyun-Seok Ryu
Abstract: Disclosed are a method, communication scheme and a system thereof for converging an IoT technology and a 5G communication system for supporting a high data transmission rate beyond that of a 4G system. The method, communication scheme and a system can be applied to intelligent services (for example, services related to a smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety) based on the 5G communication technology and the IoT-related technology. A method for allocating resources for D2D communication by a User Equipment (UE) includes: identifying a movement direction of the UE; selecting a resource pool mapped to the identified movement direction among resource pools allocated according to the movement direction; and performing D2D communication using the selected resource pool.
-
公开(公告)号：US10149302B2
公开(公告)日：2018-12-04
申请号：US14645163
申请日：2015-03-11
Inventor： Sang-Hyo Kim , Hyun-Seok Ryu , Dae-Gyun Kim , Seung-Hoon Park , Jin Whan Kang , Myung Hoon Koh , Min Jang
Abstract: Disclosed is a method for controlling interference for D2D communication. The method includes: identifying whether a position of a first user device belongs to a first area that satisfies a predetermined criterion; and if the position of the first user device is identified to belong to the first area, determining some resources constituting dedicated resources of the first area, among available resources of a signal for discovering a counterpart user device of D2D communication by the first user device, as resources of the signal.
-
65.发明授权公开(公告)号：US10129842B2
公开(公告)日：2018-11-13
申请号：US15310091
申请日：2015-05-11
Applicant: Samsung Electronics Co., Ltd
Inventor： Cheol Jeong , Hyun-Seok Ryu , Seung-Hoon Park , Peng Xue , Hyun-Kyu Yu , Sang-Won Choi
Abstract: The present invention relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate than that of a 4G system and subsequent systems, and a system thereof. The present invention can be applied to intelligent services on the basis of 5G communication technology and IoT-related technology (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security, and safety related services and the like). The present invention provides a method and a device for transmitting a synchronization signal for device-to-device (D2D) communication. According to the present invention, a first terminal receives a D2D synchronization signal (D2DSS) and a physical D2D synchronization channel (PD2DSCH) corresponding to the D2DSS from a second terminal, and transmits the D2DSS to the second terminal according to a method preassigned with the second terminal so as to indicate that the first terminal has successfully received the D2DSS or the PD2DSCH.
-
Patent Agency Ranking
公开(公告)号：US10111262B2
公开(公告)日：2018-10-23
申请号：US15118094
申请日：2015-02-10
Inventor： Hyung-Jin Choi , Hyun-Seok Ryu , Dae-Gyun Kim , Seung-Hoon Park , Dong-Joon Lee , Won-Joon Hwang
Abstract: The present disclosure provides a method for performing a cellular communication in a device-to-device communication system, the method comprising the operations of: receiving scheduling to transmit an uplink signal through a specific resource of a discovery channel from a base station; generating uplink scheduling information notifying scheduling of the uplink signal; and transmitting the uplink scheduling information through at least one discovery resource of the discovery channel.
-
公开(公告)号：US10034322B2
公开(公告)日：2018-07-24
申请号：US15017037
申请日：2016-02-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyun-Seok Ryu , Peng Xue , Sang-Won Choi
IPC: H04W76/02 , H04W52/24 , H04W76/14 , H04W4/06 , H04W48/16 , H04W52/14 , H04W52/32 , H04W52/38 , H04W8/00 , H04W72/04 , H04W72/08 , H04W92/18
Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting a device to device (D2D) discovery signal by a user equipment (UE) in a communication system supporting a D2D scheme is provided. The method includes determining transmission power for D2D discovery signal transmission, and transmitting a D2D discovery signal using the transmission power, wherein the transmission power is determined by considering a cell at which the D2D discovery signal is transmitted.
-
公开(公告)号：US09763208B2
公开(公告)日：2017-09-12
申请号：US14666035
申请日：2015-03-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seung-Hoon Park , Hyun-Seok Ryu
CPC classification number: H04W56/0015 , H04W76/14
Abstract: Disclosed is a method for supporting synchronization of a user equipment (UE) for D2D communication. The method includes: first scanning for checking a synchronization signal transmitted from a nearby UE; establishing the UE as a synchronization-transmitting UE, based on a result of the first scanning; transmitting a synchronization channel including timer value information indicating scanning time at which a scanning starts; and second scanning based on the timer value information.
-
公开(公告)号：US09713183B2
公开(公告)日：2017-07-18
申请号：US14180283
申请日：2014-02-13
Applicant: Samsung Electronics Co., Ltd
Inventor： Kyung-Kyu Kim , Dae-Gyun Kim , Hyun-Seok Ryu , Young-Joong Mok , Seung-Hoon Park , Sang-Kyu Baek , Chi-Woo Lim , Young-Bin Chang
CPC classification number: H04W76/023 , H04W12/04 , H04W76/14
Abstract: A method and apparatus for performing initial entry for Device-to-Device (D2D) communication in a wireless communication system include transmitting an initial entry request including a service request for D2D communication to a Mobility Management Entity (MME) by a terminal, and if the service request for D2D communication is accepted, receiving information indicating that the initial entry request is accepted, including D2D communication information from the MME by the terminal.
-
公开(公告)号：US09647862B2
公开(公告)日：2017-05-09
申请号：US14213948
申请日：2014-03-14
Inventor： Seung-Hoon Park , Hyung-Jin Choi , Kyung-Hun Won , Won-Jun Hwang , Kyung-Kyu Kim , Dae-Gyun Kim , Hyun-Seok Ryu , Dong-Jun Lee , Chi-Woo Lim
CPC classification number: H04L27/2601 , H04L27/2657 , H04L27/2671 , H04L27/2675
Abstract: A method for operating a device in a wireless communication system supporting Device to Device (D2D) communication system includes receiving a reference signal from each of at least one transmitting device, estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and adjusting a transmit frequency of a voltage controlled oscillator of the device using the estimated frequency offset estimation. An apparatus for compensating for a frequency offset of a device in a wireless communication system supporting Device to Device (D2D) communication system includes a frequency offset estimator configured to receive reference signals from each of at least one transmitting device, and estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and a voltage controlled oscillator configured to adjust a transmit frequency using the estimated frequency offset.
-
-
-
-
-
-
-
-
-
Search Results
74
records
(took 0.026 seconds)
