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91. 发明授权

US06937559B1 Apparatus and method for allocating Walsh codes in CDMA communication system having variable rate channel structure 有权
标题翻译：用于在具有可变速率信道结构的CDMA通信系统中分配沃尔什码的装置和方法
公开(公告)号：US06937559B1
公开(公告)日：2005-08-30
申请号：US09503258
申请日：2000-02-14
申请人： Jae-Yoel Kim , Hee-Won Kang , Jae-Min Ahn , Seung-Joo Maeng
发明人： Jae-Yoel Kim , Hee-Won Kang , Jae-Min Ahn , Seung-Joo Maeng
IPC分类号： H04B1/707 , H04B7/216 , H04B7/26 , H04J11/00 , H04J13/18
CPC分类号： H04J13/0048 , H04B7/264 , H04B2201/70703 , H04J13/18
摘要： A channel spreading device for a CDMA communication system is disclosed. The channel spreading device includes; a storage medium for storing orthogonal code numbers which cannot maintain an orthogonality when an orthogonal code for a maximum data rate is used; a controller for determining whether the respective orthogonal code numbers stored in the storage medium are available at a given data rate, when at least one data user requests data transmission at the given data rate, and outputting the determined available orthogonal code numbers and control signals according to the determination result; a plurality of channel transmitters, provided in association with the orthogonal code numbers from the controller, for spreading data from the data user with an orthogonal code corresponding to the orthogonal code number from the controller; and a plurality of multipliers for multiplying outputs of the channel transmitters by control signals from the controller, a plurality of channel transmission circuits; a storage medium for storing orthogonal code numbers which cannot maintain an orthogonality when an orthogonal code for a maximum data rate is used; a controller for determining whether the respective orthogonal code numbers stored in the storage medium are available at a given data rate, when at least one data user requests data transmission at the given data rate, and outputting the determined available orthogonal code numbers and control signals according to the determination result.
摘要翻译：公开了一种用于CDMA通信系统的信道扩展装置。信道扩展装置包括：用于存储当使用最大数据速率的正交码时不能维持正交性的正交码数的存储介质; 控制器，用于当至少一个数据用户以给定数据速率请求数据传输时，确定存储在存储介质中的各个正交码号是否以给定数据速率可用，并且根据给定数据速率输出所确定的可用正交码号和控制信号确定结果; 与来自控制器的正交码号相关联地提供的多个信道发射机，用于利用来自控制器的与正交码数对应的正交码从数据用户扩展数据; 以及多个乘法器，用于通过来自控制器，多个信道传输电路的控制信号来使信道发射机的输出相乘; 用于存储当使用最大数据速率的正交码时不能维持正交性的正交码数的存储介质; 控制器，用于当至少一个数据用户以给定数据速率请求数据传输时，确定存储在存储介质中的各个正交码号是否以给定数据速率可用，并且根据给定数据速率输出所确定的可用正交码号和控制信号确定结果。

92. 发明授权

US06707788B1 Channel spreading device and method in CDMA communication system 有权
标题翻译： CDMA通信系统中的信道扩频装置及方法
公开(公告)号：US06707788B1
公开(公告)日：2004-03-16
申请号：US09456731
申请日：1999-12-08
申请人： Jae-Yoel Kim , Hee-Won Kang , Seung-Joo Maeng , Young-Ky Kim
发明人： Jae-Yoel Kim , Hee-Won Kang , Seung-Joo Maeng , Young-Ky Kim
IPC分类号： H04B1500
CPC分类号： H04J13/00 , H04B1/707 , H04J13/0022 , H04J13/10
摘要： A demodulation method in a mobile station having a plurality of channels, for receiving a signal from a base station. In one aspect, the base station has a plurality of channels, a BPSK spreader for orthogonally spreading symbol data of each channel with an assigned orthogonal code, and a QPSK spreader for PN-spreading the orthogonally spread signal with a PN code. In the demodulation method, a first QPSK despreader in the mobile station receives PN-spread signal and PN-despreads the PN-spread signal with the PN code, and a second QPSK despreader orthogonally despreads the PN-despread signal with a complex orthogonal code having the real and imaginary parts of the assigned orthogonal code. In another aspect, the base station has a plurality of channels, a QPSK spreader for spreading symbol data of each channel by the real and imaginary parts of its assigned orthogonal code, and a QPSK spreader for PN-spreading the orthogonally spread signal with a PN code. In the demodulation method, a mobile station receives the PN-spread signal from the base station, PN-despreads the received signal with a PN code by a QPSK despreader, and orthogonally despreads the PN-despread signal with the assigned orthogonal code by a BPSK despreader. In both aspects, during the orthogonal despreading, the complex conjugate of the estimated pilot channel value is multiplied by the orthogonally despread signal, for compensation.
摘要翻译：一种具有多个信道的移动站中的解调方法，用于从基站接收信号。一方面，基站具有多个信道，用于以分配的正交码正交扩展每个信道的符号数据的BPSK扩展器，以及用PN码对正交扩展信号进行PN扩展的QPSK扩展器。在解调方法中，移动站中的第一QPSK去扩频器接收PN扩展信号，并用PN码对PN扩展信号进行PN解扩，第二QPSK去扩频器以具有复数正交码的PN解扩信号正交解扩，分配的正交码的实部和虚部。另一方面，基站具有多个信道，QPSK扩展器，用于通过其分配的正交码的实部和虚部扩展每个信道的符号数据;以及QPSK扩展器，用于PN扩频，具有PN的正交扩展信号码。在解调方法中，移动台从基站接收PN扩展信号，用QPSK去扩频器对PN码进行PN解扩，并通过BPSK对所分配的正交码对PN解扩信号进行正交解扩解散器在两个方面，在正交解扩过程中，将估计的导频信道值的复共轭乘以正交解扩信号以进行补偿。

93. 发明授权

US08891649B2 Apparatus and method for saving power consumption in broadband wireless communication system 有权
标题翻译：宽带无线通信系统节能降耗的方法及装置
公开(公告)号：US08891649B2
公开(公告)日：2014-11-18
申请号：US13085993
申请日：2011-04-13
申请人： Yun-Seok Choi , Seung-Joo Maeng , Byung Chan Ahn
发明人： Yun-Seok Choi , Seung-Joo Maeng , Byung Chan Ahn
IPC分类号： H04B7/02 , H04W52/42 , H04W52/02 , H04W52/52
CPC分类号： H04W28/0221 , H04B7/0413 , H04B7/0615 , H04W52/0274 , H04W52/42 , H04W52/52 , H04W72/0446 , H04W72/1252 , Y02D70/126 , Y02D70/146
摘要： An apparatus and method reduce power consumption in a broadband wireless communication system. A transmitting end apparatus that includes a plurality of transmit (Tx) antennas includes a control block, a Processor (DSP) block, a modem block, and at least one power controller. The control block determines a traffic amount based on an amount of used resources. The Digital Signal Processor (DSP) block performs scheduling by using a subset of Tx antennas and a subset of resources on a frequency axis if the traffic amount is less than a threshold. The modem block applies boosting to a signal transmitted using the subset of resources. And at least one controller turns off an operation of at least one power amplifier that corresponds to at least one Tx antenna that is not included in the subset of Tx antennas.
摘要翻译：一种降低宽带无线通信系统功耗的装置和方法。包括多个发送（Tx）天线的发送端设备包括控制块，处理器（DSP）块，调制解调器块和至少一个功率控制器。控制块基于所使用资源的数量来确定流量。如果业务量小于阈值，则数字信号处理器（DSP）块通过使用Tx天线的子集和频率轴上的资源子集来执行调度。调制解调器模块使用资源子集传输的信号进行升压。并且至少一个控制器关闭对应于不包括在Tx天线的子集中的至少一个Tx天线的至少一个功率放大器的操作。

94. 发明授权

US08638733B2 Apparatus and method for estimating map size in a broadband wireless communication system 失效
标题翻译：用于估计宽带无线通信系统中的地图大小的装置和方法
公开(公告)号：US08638733B2
公开(公告)日：2014-01-28
申请号：US12704984
申请日：2010-02-12
申请人： Hee-Kwang Lee , Choong-Chae Woo , Seung-Joo Maeng , Jae-Ho Jeon
发明人： Hee-Kwang Lee , Choong-Chae Woo , Seung-Joo Maeng , Jae-Ho Jeon
IPC分类号： H04W4/00 , H04J3/00
CPC分类号： H04W36/385
摘要： An apparatus and method for estimating a MAP size in a broadband wireless communication system based on FFR are provided. In the method, one of a plurality of connections is selected according to priority between the connections. An available resource condition and a MAP size for allocation of resources for the selected connection is determined if resources acceptable for a burst are present in a zone including the selected connection. The next connection is selected according to the priority if available resources are present. The determined MAP size is determined as the final estimation value of a MAP size if the available resources are not present.
摘要翻译：提供了一种用于基于FFR在宽带无线通信系统中估计MAP大小的装置和方法。在该方法中，根据连接之间的优先级来选择多个连接中的一个。如果在包括所选择的连接的区域中存在突发的可接受资源，则确定用于所选连接的资源分配的可用资源条件和MAP大小。如果存在可用资源，则根据优先级选择下一个连接。如果可用资源不存在，则确定的MAP大小被确定为MAP大小的最终估计值。

95. 发明授权

US08565827B2 Method and apparatus for power saving in wireless communication node B 有权
标题翻译：无线通信节点B节能方法及装置
公开(公告)号：US08565827B2
公开(公告)日：2013-10-22
申请号：US13025962
申请日：2011-02-11
申请人： Soo-Jong Kim , Seung-Joo Maeng , Jee-Woong Kang
发明人： Soo-Jong Kim , Seung-Joo Maeng , Jee-Woong Kang
IPC分类号： H04M1/00
CPC分类号： H04W52/42 , H04B7/0689 , H04B7/0871 , H04W52/343
摘要： A method and an apparatus reduce power used when a traffic load is low in a base station of a wireless communication system. The base station monitors a traffic load. When the traffic load is lower than a predetermined threshold and a Multiple Input Multiple Output (MIMO) mode is used to communicate with a mobile station, the MIMO mode is converted to a Single Input Multiple Output (SIMO) mode. The base station performs communication with the mobiles stations by using the SIMO mode. According to another embodiment, when the traffic load is lower than a predetermined threshold, the base station limits the number of Resource Blocks (RBs) that may be allocated to a coverage area of the base station. A Power Amplifier (PA) bias related to a transmission output of the base station is reduced based on the limited number of RBs, thereby saving power consumption of the base station.
摘要翻译：当无线通信系统的基站中的业务负载低时，一种方法和装置减少使用的功率。基站监视业务负载。当业务负载低于预定阈值并且使用多输入多输出（MIMO）模式来与移动台进行通信时，MIMO模式被转换为单输入多输出（SIMO）模式。基站通过使用SIMO模式与移动台进行通信。根据另一个实施例，当业务负载低于预定阈值时，基站限制可以分配给基站的覆盖区域的资源块（RB）的数量。与基站的发送输出有关的功率放大器（PA）偏置减少了RB的有限数量，从而节省了基站的功耗。

96. 发明授权

US08229435B2 Apparatus and method for scheduling in wireless communication system 有权
标题翻译：无线通信系统中的调度装置及方法
公开(公告)号：US08229435B2
公开(公告)日：2012-07-24
申请号：US12660364
申请日：2010-02-25
申请人： Il-Jin Youn , Byung-Chan An , Seung-Joo Maeng
发明人： Il-Jin Youn , Byung-Chan An , Seung-Joo Maeng
IPC分类号： H04W36/00
CPC分类号： H04L1/0003 , H04L1/0009 , H04L1/0026 , H04W36/30 , H04W52/146 , H04W52/243 , H04W52/367 , H04W72/085
摘要： A base station is capable of performing a method for scheduling in a wireless communication system. In the method, a downlink channel measurement value received from a terminal is compared with a threshold. When the downlink channel measurement value is smaller than the threshold, an activation set for a handover of the terminal is determined. When the number of base stations inside the activation set is two or more, a Modulation and Coding Scheme (MCS) level is allocated to the terminal with consideration of the downlink channel measurement value. A wireless resource is allocated to the terminal with consideration of the allocated MCS level and a headroom of the terminal.
摘要翻译：基站能够执行无线通信系统中的调度方法。在该方法中，将从终端接收的下行链路信道测量值与阈值进行比较。当下行链路信道测量值小于阈值时，确定终端切换的激活集合。当激活集合内的基站的数量是两个或更多个时，考虑到下行链路信道测量值，向终端分配调制和编码方案（MCS）级别。考虑到分配的MCS级别和终端的余量，将无线资源分配给终端。

97. 发明授权

US08165245B2 Method and apparatus for controlling transmission power in a communication system 有权
标题翻译：用于控制通信系统中的发射功率的方法和装置
公开(公告)号：US08165245B2
公开(公告)日：2012-04-24
申请号：US12393380
申请日：2009-02-26
申请人： Sung-Chan Park , Jae-Hyok Lee , Seung-Joo Maeng
发明人： Sung-Chan Park , Jae-Hyok Lee , Seung-Joo Maeng
IPC分类号： H04K1/02
CPC分类号： H04W52/20 , H04L1/0003 , H04L1/0009 , H04L5/0007
摘要： In a communication system, a mobile terminal compares a first modulation/Forward Error Correction (FEC) rate level, which is a modulation/FEC rate level used in a previously transmitted signal, with a second modulation/FEC rate level, which is a modulation/FEC rate level to be used in a currently transmitted signal. If the second modulation/FEC rate level is higher than the first modulation/FEC rate level, the mobile terminal determines the transmission power using a normalized Carrier to Noise ratio (C/N) corresponding to the second modulation/FEC rate level on an ascending normalized C/N table, while if the second modulation/FEC rate level is lower than the first modulation/FEC rate level, the mobile terminal determines the transmission power using a normalized C/N corresponding to the second modulation/FEC rate level on a descending normalized C/N table.
摘要翻译：在通信系统中，移动终端将作为先前发送的信号中使用的调制/ FEC速率等级的第一调制/前向纠错（FEC）速率等级与作为调制/ / FEC速率电平，用于当前发送的信号。如果第二调制/ FEC速率水平高于第一调制/ FEC速率水平，则移动终端使用与升序对应的第二调制/ FEC速率水平的归一化载波噪声比（C / N）来确定发射功率标准化C / N表，而如果第二调制/ FEC速率水平低于第一调制/ FEC速率水平，则移动终端使用对应于第二调制/ FEC速率水平的归一化C / N来确定传输功率下降归一化C / N表。

98. 发明授权

US08116801B2 Apparatus and method for controlling power in a communication system 失效
标题翻译：用于控制通信系统中的功率的装置和方法
公开(公告)号：US08116801B2
公开(公告)日：2012-02-14
申请号：US12012730
申请日：2008-02-05
申请人： Ik-Beom Lee , Jae-Ho Jeon , Seung-Joo Maeng , Ha-Young Yang
发明人： Ik-Beom Lee , Jae-Ho Jeon , Seung-Joo Maeng , Ha-Young Yang
IPC分类号： H04W52/20 , H04W52/22
CPC分类号： H04W52/12 , H04L1/1812
摘要： Provided is an outer loop power control apparatus and method for a signal transmitter in a communication system. The outer loop power control method includes determining a first setpoint of a kth frame according to whether or not an error occurs in a (k−1)th frame, updating a second setpoint of the kth frame with the first setpoint of the kth frame if a difference value between the first setpoint of the kth frame and a second setpoint of the (k−1)th frame is greater than a first reference value, and transmitting a transmit power control message to a signal receiver at the kth frame if the difference value between first setpoint of the kth frame and the second setpoint of the (k−1)th frame is greater than a second reference value.
摘要翻译：提供了一种用于通信系统中的信号发射机的外环功率控制装置和方法。外环功率控制方法包括根据第（k-1）帧中是否发生错误来确定第k帧的第一设定点，如果第k帧的第一设定点更新第k个帧的第二设定点，则第k帧的第一设定点和第（k-1）帧的第一设定点之间的差值大于第一参考值，并且如果差异在第k帧时向发送功率控制消息发送到信号接收器第k帧的第一设定点和第（k-1）帧的第二设定点之间的值大于第二参考值。

99. 发明授权

US08040987B2 Channel estimating apparatus and method for use in a broadband wireless communication system 有权
标题翻译：用于宽带无线通信系统的信道估计装置和方法
公开(公告)号：US08040987B2
公开(公告)日：2011-10-18
申请号：US11943775
申请日：2007-11-21
申请人： Jeong-Tae Oh , Myung-Kwang Byun , Jae-Ho Jeon , Seung-Joo Maeng
发明人： Jeong-Tae Oh , Myung-Kwang Byun , Jae-Ho Jeon , Seung-Joo Maeng
IPC分类号： H04B1/10
CPC分类号： H04L25/0208 , H04L5/0048 , H04L25/0228
摘要： A Channel estimating apparatus and method for use in a broadband wireless communication system are provided. The receiving method includes determining a control unit for a channel estimation using burst allocation information of selected sectors; extracting pilot symbols from received data based on the control unit; and acquiring a channel estimate value for each transmission unit by performing a Joint Channel Estimation (JCE) with the extracted pilot symbols that are based on the control unit.
摘要翻译：提供了一种用于宽带无线通信系统中的信道估计装置和方法。所述接收方法包括使用所选扇区的突发分配信息来确定用于信道估计的控制单元; 基于所述控制单元从接收到的数据提取导频符号; 以及通过使用基于所述控制单元的所提取的导频符号执行联合信道估计（JCE）来获取每个传输单元的信道估计值。

100. 发明申请

US20110218002A1 APPARATUS AND METHOD FOR CONTROLLING UPLINK INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于控制无线通信系统中的上行干扰的装置和方法
公开(公告)号：US20110218002A1
公开(公告)日：2011-09-08
申请号：US13043260
申请日：2011-03-08
申请人： Ki-Seob Hong , Byung-Chan Ahn , Hyun-Woo Lee , Seung-Joo Maeng
发明人： Ki-Seob Hong , Byung-Chan Ahn , Hyun-Woo Lee , Seung-Joo Maeng
IPC分类号： H04B15/00
CPC分类号： H04B15/00
摘要： An apparatus and a method for controlling uplink interference in a wireless communication system. The method for controlling the uplink interference includes determining at least one interference signal power threshold determined by at least one neighbor Base Station (BS). The method also includes determining a transmit power offset for at least one serviced Mobile Station (MS) using the at least one interference signal power threshold. The method further includes sending the transmit power offset for the at least one MS to the at least one MS.
摘要翻译：一种用于控制无线通信系统中的上行链路干扰的装置和方法。用于控制上行链路干扰的方法包括确定由至少一个相邻基站（BS）确定的至少一个干扰信号功率阈值。该方法还包括使用至少一个干扰信号功率阈值确定至少一个服务移动站（MS）的发射功率偏移。该方法还包括向至少一个MS发送用于至少一个MS的发射功率偏移。

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