-
公开(公告)号：KR101505091B1
公开(公告)日：2015-03-31
申请号：KR1020090043473
申请日：2009-05-19
Applicant: 삼성전자주식회사
CPC classification number: H04L27/2657 , H04L27/2656 , H04L27/2662 , H04L27/2675
Abstract: 본 발명은 직교주파수분할 방식 기반의 무선통신 시스템에서 초기 동기화를 위한 장치 및 방법에 관한 것으로, OFDM 기반의 무선통신시스템에 초기 동기를 획득하기 위한 장치는, 프리앰블 신호를 이용하여 프레임 동기를 획득하는 프레임 동기부와, 상기 프레임 동기화된 수신신호를 FFT 크기만큼 지연시켜, 상호상관을 이용하여 제 1 시간 오프셋 및 부반송파 간격의 소수배에 해당하는 제 1 주파수 오프셋을 결정하는 제 1 오프셋 결정부와, 상기 제 1 시간 오프셋 및 상기 제 2 주파수 오프셋으로 보정된 수신신호에 포함된 프리앰블 코드를 이용하여, 부반송파 간격의 정수배에 해당하는 제 2 주파수 오프셋을 결정하는 프리앰블 식별자 추정부와, 상기 제 2 주파수 오프셋으로 보정된 수신신호에 포함된 프리앰블 신호 및 파일럿 신호를 역랜덤화하여 제 2 시간 오프셋 및 제 3 주파수 오프셋을 결정하는 제 2 오프셋 결정부를 포함하여, SNR이 낮은 환경에서 초기 동기 획득 시간을 크게 감소시킬 수 있는 장점이 있다.
프레임 동기, 시간 오프셋, 주파수 오프셋, 상호상관, 역랜덤화.-
公开(公告)号：KR1020130104174A
公开(公告)日：2013-09-25
申请号：KR1020120025446
申请日：2012-03-13
Applicant: 삼성전자주식회사
CPC classification number: H04L5/0035 , H04B7/024 , H04L5/0075 , H04L5/0076 , H04L5/0082 , H04L5/0092 , H04W16/24 , H04W72/12 , H04W88/08
Abstract: PURPOSE: A cooperative communication method between clusters in a mobile communication system and an apparatus are provided to minimize interference between clusters. CONSTITUTION: A central device receives channel information about a serving sector and first adjacent sectors to the serving sector from the serving sector inside a serving cluster (300). The central device receives a change of an objective function for scheduling depending on whether a blank of the serving sector is present or not from each of second adjacent sectors within adjacent clusters to the serving sector (306). The change of the objective function for the scheduling is a change of an objective function of the second adjacent sectors within the adjacent clusters to the serving sector when the service sector within the serving cluster serves. [Reference numerals] (300) Receive channel information about a serving sector and adjacent sectors from a sector m within a serving cluster; (302) Receive inter-cluster cooperation information from a sector k within an adjacent sector; (304) Decide a blank pattern for the sectors of the serving cluster; (306) Transmit the blank pattern to the sectors of the serving cluster; (AA) Start; (BB) End
Abstract translation: 目的：提供移动通信系统中的集群与设备之间的协作通信方法，以最小化集群之间的干扰。 构成：中央设备从服务集群（300）内的服务扇区向服务扇区接收关于服务扇区和第一相邻扇区的信道信息。 中央设备接收用于调度的目标函数的改变，取决于服务扇区的空白是否存在于相邻簇内的每个第二相邻扇区到服务扇区（306）。 用于调度的目标函数的改变是当服务集群内的服务扇区服务时，将相邻集群内的第二相邻扇区的目标函数改变为服务扇区。 （附图标记）（300）从服务群集内的扇区m接收关于服务扇区和相邻扇区的信道信息; （302）从相邻扇区内的扇区k接收群集间协作信息; （304）确定服务集群的扇区的空白模式; （306）将空白模式发送到服务集群的扇区; （AA）开始; （BB）结束
-
公开(公告)号：KR1020110085521A
公开(公告)日：2011-07-27
申请号：KR1020100005366
申请日：2010-01-20
Applicant: 삼성전자주식회사
CPC classification number: H04W52/243
Abstract: PURPOSE: A transmission power control apparatus and method thereof in a wireless communication system are provided to control the power of an uplink in consideration with interference. CONSTITUTION: A receiving unit(601) receives information about interference from a neighboring base station. A calculation unit(603) calculates transmission power using interference information. Interference information shows path loss value which is received from the terminal. The calculation unit includes a judgment unit(605).
Abstract translation: 目的：提供一种无线通信系统中的发送功率控制装置及其方法，以便考虑到干扰来控制上行链路的功率。 构成：接收单元（601）从相邻基站接收关于干扰的信息。 计算单元（603）使用干扰信息来计算发送功率。 干扰信息表示从终端接收到的路径损耗值。 计算单元包括判断单元（605）。
-
公开(公告)号：KR101617466B1
公开(公告)日：2016-05-03
申请号：KR1020100008743
申请日：2010-01-29
Applicant: 삼성전자주식회사
CPC classification number: H04W72/082 , H04J11/0053 , H04W52/146 , H04W52/346
Abstract: 본발명은셀룰러상향링크통신시스템의기지국에서단말의스케줄링방법에있어서, 홈셀의간섭에대한용량민감도를계산하는과정; 적어도하나의인접셀의간섭에대한용량민감도를수집하는과정; 및상기홈 셀의용량민감도및 상기인접셀의용량민감도를이용하여상기홈 셀에위치하는적어도하나의단말을스케줄링하는과정을포함하는단말의스케줄링방법을제공함으로써, 인접셀을포함하는전체네트워크용량을극대화하는전력및 할당제어가가능하며, 셀간간섭이큰 셀룰러시스템에서의시스템용량을증대시킬수 있고, 주기적으로각 셀의용량변화정보를공유하므로변화하는사용자단말의분포에실시간으로적응하도록단말의스케줄링을할 수있다.
-
Patent Agency Ranking
公开(公告)号：KR1020150081788A
公开(公告)日：2015-07-15
申请号：KR1020140001620
申请日：2014-01-07
Applicant: 삼성전자주식회사
CPC classification number: H04W72/0446 , H04W52/241 , H04W52/267 , H04W72/082 , H04W88/08 , H04B7/2612
Abstract: 본발명의실시예가제공하는무선통신시스템에서하나의타임슬롯을공유하는복수개의단말들의페어링을관리하는방법은, 하나의타임슬롯을공유할후보단말들을선택하는과정과, 상기후보단말들의부호율및 단말능력값을이용하여전력경쟁의발생을검사하는과정과, 상기검사결과에따라상기하나의타임슬롯을상기후보단말들이공유하도록하는페어링여부를결정하는과정을포함한다. 또한, 상기실시예외에다른실시예도가능하다.
Abstract translation: 根据本发明的一个实施例的用于管理在无线通信系统中共享一个时隙的终端的配对的方法包括以下步骤：选择用于共享一个时隙的候选终端; 通过使用候选终端的码率和终端容量检查电力竞争的发生; 以及根据检查结果确定候选终端被允许共享一个时隙的配对。 此外，除了上述实施例之外，其他实施例也是可能的。
-
公开(公告)号：KR1020130064522A
公开(公告)日：2013-06-18
申请号：KR1020110131170
申请日：2011-12-08
Applicant: 삼성전자주식회사
CPC classification number: H04W24/02 , H04L1/0003 , H04L1/0009
Abstract: PURPOSE: An adaptive MCS(Modulation and Coding Scheme) selection method and a device thereof are provided to effectively set transmission ratios by maintaining data error ratios. CONSTITUTION: A communication unit(210) receives interference strength information from a neighbor base station. An interference level calculation unit(232) estimates interference levels by using the received interference strength information. An MCS assignment unit(234) selects the MCS by using the estimated interference level. The interference level calculation unit extracts the interference compensation value of a current frame by using the interference strength compensation value extracted from a previous frame and the instant interference strength of the previous frame. The interference level calculation unit estimates the interference level by using the received interference strength information and the interference strength compensation value of the current frame. [Reference numerals] (200) Base station; (210) Communication unit; (220) Interference intensity collection unit; (230) Control unit; (232) Interference level calculation unit; (234) MCS assignment unit
Abstract translation: 目的：提供一种自适应MCS（调制和编码方案）选择方法及其装置，通过维持数据误差率来有效地设置传输比。 构成：通信单元（210）从相邻基站接收干扰强度信息。 干扰电平计算单元（232）通过使用接收的干扰强度信息来估计干扰电平。 MCS分配单元（234）通过使用估计的干扰电平来选择MCS。 干扰电平计算单元通过使用从前一帧提取的干扰强度补偿值和前一帧的即时干扰强度来提取当前帧的干扰补偿值。 干扰电平计算单元通过使用接收到的干扰强度信息和当前帧的干扰强度补偿值来估计干扰电平。 （附图标记）（200）基站; （210）通讯单元; （220）干扰强度采集单元; （230）控制单元; （232）干扰等级计算单位; （234）MCS分配单元
-
公开(公告)号：KR1020120024126A
公开(公告)日：2012-03-14
申请号：KR1020100086832
申请日：2010-09-06
Applicant: 삼성전자주식회사
CPC classification number: H04B7/0452 , H04B7/0697 , H04L27/26 , H04W48/10 , H04W72/1278
Abstract: PURPOSE: An apparatus and a method for transmitting and receiving multiple user-multiple input multiple output resource allocation information in a wireless communication system are provided to increase the amount of resource for the transmission of MU-MIMO data burst by minimizing the amount of resource for the transmission of MU-MIMO resource allocation information. CONSTITUTION: A-MAP IE which is allocated with MU-MIMO resources and classified into users is produced The A-MAP IE is transmitted in the position of one resource allocation location is transmitted as a SDMA(Spatial Division Multiple Access) manner. A MU-MIMO data burst and the produced the A-MAP IE are mapped in the same resource area . The same resource area is subband made of SLRU(Subband Logical Resource Unit). The A-MAP IE is mapped with the subband in a SDMA mode. The MU-MIMO data burst is mapped in the remaining area except for the mapped area of the A-MAP IE.
Abstract translation: 目的：提供一种用于在无线通信系统中发送和接收多个用户多输入多输出资源分配信息的装置和方法，以通过最小化MU-MIMO数据突发的资源量来增加用于MU-MIMO数据突发传输的资源量 MU-MIMO资源分配信息的传输。 构成：分配有MU-MIMO资源并分类为用户的A-MAP IE产生A-MAP IE以一个资源分配位置的位置作为SDMA（空分多址）方式发送。 将MU-MIMO数据突发和产生的A-MAP IE映射到相同的资源区域。 相同的资源区域是由SLRU（子带逻辑资源单元）制成的子带。 A-MAP IE以SDMA模式与子带进行映射。 MU-MIMO数据突发被映射在除了A-MAP IE的映射区域之外的剩余区域中。
-
公开(公告)号：KR1020120006421A
公开(公告)日：2012-01-18
申请号：KR1020100068073
申请日：2010-07-14
Applicant: 삼성전자주식회사
CPC classification number: H04W52/24 , H04L41/00 , H04W52/14 , H04W52/146 , H04W52/242
Abstract: PURPOSE: An uplink transmission electric power control method and apparatus thereof are provided to control uplink transmission power through downlink path loss and uplink path loss in a mobile communication system. CONSTITUTION: An AMS(Advanced Mobile Station) receives PCDMA allocation from an ABS(Advanced Base Station) in case a response signal about the received initial ranging code indicates a success state(225, 227). The AMS determines the initial value of offset(229). The AMS reports the initial value of the determined offset to the ABS(231).
Abstract translation: 目的：提供一种上行传输电力控制方法及其装置，用于通过移动通信系统中的下行链路路径损耗和上行链路路径损耗来控制上行链路传输功率。 构成：AMS（高级移动站）从ABS（高级基站）接收PCDMA分配，以防关于接收到的初始测距码的响应信号指示成功状态（225,227）。 AMS确定偏移量的初始值（229）。 AMS将确定的偏移量的初始值报告给ABS（231）。
-
公开(公告)号：KR1020100124457A
公开(公告)日：2010-11-29
申请号：KR1020090043473
申请日：2009-05-19
Applicant: 삼성전자주식회사
CPC classification number: H04L27/2657 , H04L27/2656 , H04L27/2662 , H04L27/2675
Abstract: PURPOSE: A device and a method thereof are provided to remarkably reduce initial synchronization acquisition time in a low SNR environment by using a preamble signal and a pilot signal during a synchronization process. CONSTITUTION: A frame synchronization part(100) obtains a frame synchronization by using a preamble signal. A first offset determining part(102) determines a first time offset and a first frequency offset. A preamble identifier estimating part(106) determines a second frequency offset by using the first time offset and a preamble code. A second offset determining part(110) determines the second time offset and a third frequency offset by reversely randomizing the preamble signal and the pilot signal.
Abstract translation: 目的：提供一种装置及其方法，以在同步过程中通过使用前置码信号和导频信号，显着降低低SNR环境中的初始同步捕获时间。 构成：帧同步部分（100）通过使用前置码信号获得帧同步。 第一偏移确定部分（102）确定第一时间偏移和第一频率偏移。 前导标识符估计部分（106）通过使用第一时间偏移和前导码来确定第二频率偏移。 第二偏移确定部分（110）通过对前导码信号和导频信号进行反向随机化来确定第二时间偏移和第三频率偏移。
-
-
-
-
-
-
-
-
Search Results
29
records
(took 0.029 seconds)
