专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20060128433A1 Method and device of transmitting notification indicator of multimedia broadcast/multicast services 审中-公开
标题翻译：发送多媒体广播/组播业务通知指示符的方法和装置
公开(公告)号：US20060128433A1
公开(公告)日：2006-06-15
申请号：US11295609
申请日：2005-12-07
申请人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
发明人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
IPC分类号： H04B1/38
CPC分类号： H04W68/025 , H04W4/06
摘要： The present invention discloses a method of transmitting a notification indicator of multimedia broadcast/multicast services in wideband code-division multiple access, the method including: a step of extracting notification indicator information by a radio network controller from a notification message of the multimedia broadcast/multicast services; a step of transmitting the notification indicator information to physical layer and building a notification indicator channel frame via a frame protocol layer; and a step of transmitting the notification indicator channel frame to user terminals via a physical channel. According to the method of transmitting a notification indicator of the present invention, user terminals can accurately read the notification indicator within the time length of one frame, so that the false alarm ratio and transmission power of the notification indicator are reduced.
摘要翻译：本发明公开了一种在宽带码分多址中发送多媒体广播/组播业务通知指示符的方法，该方法包括：通过无线网络控制器从多媒体广播/组播业务的通知消息中提取通知指示符信息的步骤，多播服务; 将通知指示符信息发送到物理层并经由帧协议层构建通知指示符信道帧的步骤; 以及经由物理信道将通知指示符信道帧发送到用户终端的步骤。根据发送本发明的通知指示符的方法，用户终端可以在一帧的时间长度内准确地读取通知指示符，从而减少通知指示符的误报率和发送功率。

2. 发明授权

US07583702B2 Method of transmitting paging indicator and notification indicator and corresponding modulation and demodulation devices 有权
标题翻译：发送寻呼指示符和通知指示符及相应调制解调装置的方法
公开(公告)号：US07583702B2
公开(公告)日：2009-09-01
申请号：US11295597
申请日：2005-12-07
申请人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
发明人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
IPC分类号： H04J1/00
CPC分类号： H04L27/3411 , H04B1/7077 , H04B1/7093 , H04B2201/70706 , H04L5/12
摘要： The present invention discloses a method of transmitting a first signal and a second signal in a wideband code-division multiple access network, wherein a probability of the appearance of signal bit “1” or “0” in each signal of the first signal and the second signal is remarkably higher than a probability of the appearance of “0” or “1”, the method including: a step of determining constellation points, for determining combinations of different states of the first signal and the second signal and for determining each combination as a constellation point; a step of determining locations of constellation points, for determining a location of each constellation point on I-Q plane based on a priori knowledge of said combination; and a step of transmission, for, after modulating said different combinations in different ways according to the location of each constellation point, transporting them to a user equipment via a physical channel. Through joint modulation on the paging indicator and the notification indicator, the transmission method according to the present invention significantly reduces power consumption.
摘要翻译：本发明公开了一种在宽带码分多址网络中发送第一信号和第二信号的方法，其中在第一信号的每个信号中出现信号比特“1”或“0”的概率，第二信号明显高于出现“0”或“1”的概率，该方法包括：确定星座点的步骤，用于确定第一信号和第二信号的不同状态的组合，并且用于确定每个组合作为星座点; 确定星座点的位置的步骤，用于基于所述组合的先验知识来确定I-Q平面上的每个星座点的位置; 以及传输步骤，用于根据每个星座点的位置以不同的方式调制所述不同的组合之后，经由物理信道将它们传送到用户设备。通过对寻呼指示符和通知指示符的联合调制，根据本发明的传输方法显着地降低了功耗。

3. 发明申请

US20060128400A1 Method of transmitting paging indicator and notification indicator and corresponding modulation and demodulation devices 有权
公开(公告)号：US20060128400A1
公开(公告)日：2006-06-15
申请号：US11295597
申请日：2005-12-07
申请人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
发明人： Zongchuang Liang , Hua Chao , Xin Xu , Luoning Gui
IPC分类号： H04Q7/20
CPC分类号： H04L27/3411 , H04B1/7077 , H04B1/7093 , H04B2201/70706 , H04L5/12
摘要： The present invention discloses a method of transmitting a first signal and a second signal in a wideband code-division multiple access network, wherein a probability of the appearance of signal bit “1” or “0” in each signal of the first signal and the second signal is remarkably higher than a probability of the appearance of “0” or “1”, the method including: a step of determining constellation points, for determining combinations of different states of the first signal and the second signal and for determining each combination as a constellation point; a step of determining locations of constellation points, for determining a location of each constellation point on I-Q plane based on a priori knowledge of said combination; and a step of transmission, for, after modulating said different combinations in different ways according to the location of each constellation point, transporting them to a user equipment via a physical channel. Through joint modulation on the paging indicator and the notification indicator, the transmission method according to the present invention significantly reduces power consumption.

4. 发明申请

US20060056396A1 Deactivation method of multimedia broadcast multicast service and related device 有权
公开(公告)号：US20060056396A1
公开(公告)日：2006-03-16
申请号：US11213836
申请日：2005-08-30
申请人： Hua Chao , Xin Xu , Zongchuang Liang , Yonggang Wang , He Wang , Nan Wang , Yu Chen
发明人： Hua Chao , Xin Xu , Zongchuang Liang , Yonggang Wang , He Wang , Nan Wang , Yu Chen
IPC分类号： H04L12/66
CPC分类号： H04W76/062 , H04W4/06 , H04W76/32
摘要： The present invention provides a deactivation method of multimedia broadcast multicast service for wireless communication system, comprising steps of: in SGSN, completing the context deactivation of user equipment of broadcast multicast service; in the user equipment, completing the context deactivation of user equipment of multimedia broadcast multicast service; in GGSN, completing the context deactivation of user equipment of multimedia broadcast multicast service; characterized by further comprising steps of: in SGSN, after completing the context deactivation of user equipment of multimedia broadcast multicast service, completing the context deactivation of user equipment of multimedia broadcast multicast service in a radio network controller of a radio access network. According to the method of the present invention, the context of user equipment of multimedia broadcast multicast service in the radio network controller is deleted, so that the waste of radio resources is prevented, the hidden troubles induced by the inconsistency of data among the network elements is removed, and a foundation for the correct realization of future products is laid.

5. 发明授权

US09144105B2 Deactivation method of multimedia broadcast multicast service and related device 有权
标题翻译：多媒体广播多播服务及相关设备的停用方法
公开(公告)号：US09144105B2
公开(公告)日：2015-09-22
申请号：US11213836
申请日：2005-08-30
申请人： Hua Chao , Xin Xu , Zongchuang Liang , Yonggang Wang , He Wang , Nan Wang , Yu Chen
发明人： Hua Chao , Xin Xu , Zongchuang Liang , Yonggang Wang , He Wang , Nan Wang , Yu Chen
IPC分类号： H04J3/26 , H04Q7/00 , G06F19/00 , H04W76/06 , H04W4/06
CPC分类号： H04W76/062 , H04W4/06 , H04W76/32
摘要： The present invention provides a deactivation method of multimedia broadcast multicast service for wireless communication system, comprising steps of: in SGSN, completing the context deactivation of user equipment of broadcast multicast service; in the user equipment, completing the context deactivation of user equipment of multimedia broadcast multicast service; in GGSN, completing the context deactivation of user equipment of multimedia broadcast multicast service; characterized by further comprising steps of: in SGSN, after completing the context deactivation of user equipment of multimedia broadcast multicast service, completing the context deactivation of user equipment of multimedia broadcast multicast service in a radio network controller of a radio access network. According to the method of the present invention, the context of user equipment of multimedia broadcast multicast service in the radio network controller is deleted, so that the waste of radio resources is prevented, the hidden troubles induced by the inconsistency of data among the network elements is removed, and a foundation for the correct realization of future products is laid.
摘要翻译：本发明提供了一种用于无线通信系统的多媒体广播多播服务的去激活方法，包括以下步骤：在SGSN中完成广播多播服务用户设备的上下文去激活; 在用户设备中，完成多媒体广播多播服务用户设备的上下文去激活; 在GGSN中，完成多媒体广播多播服务用户设备的上下文去激活; 其特征在于还包括以下步骤：在SGSN中，在完成多媒体广播多播业务的用户设备的上下文去激活之后，在无线接入网的无线网络控制器内完成多媒体广播组播服务的用户设备的上下文去激活。根据本发明的方法，删除了无线网络控制器中的多媒体广播组播业务的用户设备的上下文，防止了无线资源的浪费，网元间的数据不一致引起的隐患被淘汰，为正确实现未来产品奠定基础。

6. 发明申请

US20070258529A1 Method and system of orthogonalizing signal transmitted from BS applied to OFDM access 审中-公开
标题翻译：将从BS发送的信号正交化的方法和系统应用于OFDM接入
公开(公告)号：US20070258529A1
公开(公告)日：2007-11-08
申请号：US11789673
申请日：2007-04-25
申请人： Zongchuang Liang , Dong-Seek Park , Chang-Yoon Oh , Young-Kwon Cho , Sung-Kwon Hong
发明人： Zongchuang Liang , Dong-Seek Park , Chang-Yoon Oh , Young-Kwon Cho , Sung-Kwon Hong
IPC分类号： H04L27/28
CPC分类号： H04L5/023 , H04L27/2602 , H04L27/2626 , H04L27/2647
摘要： A method of orthogonalizing signals transmitted from a BS in an OFDMA system, at a transmitting end, includes a) performing encoding, interleaving and modulation on original information bits; b) allocating sub-carriers with equivalent intervals to a sub-channel, and dividing channels into two parts of a cell edge user channel and a center area channel; c) mapping modulated information symbols to the corresponding sub-carriers; d) performing orthogonalizing processing on the two parts of channels; e) for a user at an edge of the cell, according to result of step b), dividing an OFDM symbol into subsections of equal length; f) multiplying the subsections obtained from step e) by a corresponding orthogonalizing sequence of the cell; g) adding the OFDM symbols of the two parts together to form a whole OFDM symbol; h) adding a cyclic prefix for the system; and i) performing D/A conversion, RF processing and feedback over a transmitting antenna on a base-band signal.
摘要翻译：一种在发送端正交化从OFDMA系统发送的信号的方法包括：a）对原始信息比特执行编码，交织和调制; b）向子信道分配具有等效间隔的子载波，并将信道划分为小区边缘用户信道和中心区域信道的两部分; c）将调制信息符号映射到相应的子载波; d）对信道的两部分执行正交化处理; e）根据步骤b）的结果，针对小区边缘的用户，将OFDM符号划分成等长的子段; f）将从步骤e）获得的子段乘以单元的对应正交化序列; g）将两个部分的OFDM符号相加在一起以形成整个OFDM符号; h）为系统添加循环前缀; 以及i）在基带信号上通过发送天线执行D / A转换，RF处理和反馈。

7. 发明授权

US08730797B2 Method for forwarding direct message in partial function OFDMA relay system 有权
标题翻译：在部分功能OFDMA中继系统中转发直接消息的方法
公开(公告)号：US08730797B2
公开(公告)日：2014-05-20
申请号：US12597843
申请日：2008-04-25
申请人： Eun-Taek Lim , Hyoung-Kyu Lim , Pan-Yuh Joo , Qi Wu , Zongchuang Liang
发明人： Eun-Taek Lim , Hyoung-Kyu Lim , Pan-Yuh Joo , Qi Wu , Zongchuang Liang
IPC分类号： H04L12/26
CPC分类号： H04W76/10 , H04L51/38 , H04W88/085
摘要： A method for forwarding direct message in partial function OFDMA relay system is proposed in present invention. In present invention, the operations like forwarding and reflecting are fixed for the PFRS. Therefore, the BS performs scheduling according to the fixed operations so as to make the PFRS actually has the function of direct message forwarding.
摘要翻译：本发明提出了一种在部分功能OFDMA中继系统中转发直接消息的方法。在本发明中，针对PFRS的转发和反射操作是固定的。因此，BS根据固定操作进行调度，使得PFRS实际上具有直接消息转发的功能。

8. 发明授权

US07995514B2 RS-based network transmission method 有权
标题翻译：基于RS的网络传输方式
公开(公告)号：US07995514B2
公开(公告)日：2011-08-09
申请号：US12110780
申请日：2008-04-28
申请人： Eun-Taek Lim , Zongchuang Liang , Qi Wu
发明人： Eun-Taek Lim , Zongchuang Liang , Qi Wu
IPC分类号： H04B7/204
CPC分类号： H04B7/2606 , H04L5/0007 , H04L27/2601
摘要： A Relay System (RS)-based cellular network transmission method for MT having a function of single input and single output is provided. The method includes transmitting broadcast information to all RSs and Mobile Terminals (MTs); transmitting required data to each RS in an Orthogonal Frequency Division Multiplexing (OFDM) mode; performing the operations of selection of modulation scheme, addition of CP, addition of symbols for channel estimation and selection of OFDM symbols; feeding feedback information to the Base Station (BS); transmitting a synchronization request to the BS; transmitting a synchronization acknowledgement to the RS; transmitting information to each MT belonging to the BS; transmitting information to each MT belonging to the RS; the MT belonging to the BS transmitting ACK/NACK information to the BS; the MT belonging to the RS transmitting ACK/NACK information to the BS; and the BS informing the RS of the received ACK/NACK information.
摘要翻译：提供了具有单输入和单输出功能的MT的基于中继系统（RS）的蜂窝网络传输方法。该方法包括向所有RS和移动终端（MT）发送广播信息; 以正交频分复用（OFDM）模式向每个RS发送所需数据; 执行调制方案的选择，CP的添加，用于信道估计的符号的添加和OFDM符号的选择的操作; 向基站（BS）馈送反馈信息; 向BS发送同步请求; 向RS发送同步确认; 向属于所述BS的每个MT发送信息; 向属于RS的每个MT发送信息; 属于BS的MT向BS发送ACK / NACK信息; 属于RS的MT向BS发送ACK / NACK信息; 以及通知RS所接收到的ACK / NACK信息的BS。

9. 发明申请

US20100266061A1 METHOD AND DEVICE FOR PRE-CODING IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM 有权
标题翻译：用于在多输入多输出系统中预编码的方法和装置
公开(公告)号：US20100266061A1
公开(公告)日：2010-10-21
申请号：US12747016
申请日：2008-12-26
申请人： Jinxia Cheng , Hong He , Zongchuang Liang
发明人： Jinxia Cheng , Hong He , Zongchuang Liang
IPC分类号： H04B7/02
CPC分类号： H04L25/0232 , H04B7/0617 , H04B7/0639 , H04B7/066 , H04L25/022 , H04L25/0242 , H04L25/03343 , H04L27/2647 , H04L2025/03426 , H04L2025/03802
摘要： A signal processing method in an MIMO multi-carrier system is disclosed comprising: receiving by a receiver signals of a plurality of sub-carriers transmitted from a transmitter; dividing the sub-carriers into a plurality of sub-carrier blocks according to the correlation between adjacent sub-carriers, each sub-carrier block containing K sub-carriers; selecting a feedback sub-carrier pre-coding matrix ( ) and a rotation matrix ( ) for each sub-carrier block, and then sending the information on the pre-coding matrix and the rotation matrix back to the transmitting end. The present invention provides the method and device for effectively settling the feedback problem in an MIMO/OFDMA system, thereby greatly reducing the number of pre-coding weight matrices needed to feed back to the transmitting device.
摘要翻译：公开了一种MIMO多载波系统中的信号处理方法，包括：接收由发射机发送的多个子载波的信号; 根据相邻副载波之间的相关性将子载波划分为多个子载波块，每个子载波块包含K个子载波; 选择每个子载波块的反馈子载波预编码矩阵（）和旋转矩阵（），然后将关于预编码矩阵和旋转矩阵的信息发送回发送端。本发明提供了有效地解决MIMO / OFDMA系统中的反馈问题的方法和装置，从而大大减少了反馈给发射装置所需的预编码权重矩阵的数量。

10. 发明授权

US08891648B2 System for transmitting and receiving channel state information 有权
标题翻译：用于发送和接收信道状态信息的系统
公开(公告)号：US08891648B2
公开(公告)日：2014-11-18
申请号：US13060210
申请日：2009-08-21
申请人： Lei Zhou , Zheng Zhao , Zongchuang Liang
发明人： Lei Zhou , Zheng Zhao , Zongchuang Liang
IPC分类号： H04B7/02 , H04B7/04 , H04B7/06 , H04L25/03 , H04L25/02
CPC分类号： H04L25/03343 , H04B7/0417 , H04B7/0626 , H04L5/1469 , H04L25/0204 , H04L25/0208 , H04L25/0224 , H04L25/0228 , H04L25/0242 , H04L25/0246 , H04L25/03955
摘要： A system for transmitting and receiving Channel State Information (CSI) is provided, in which a terminal receives a pilot signal transmitted from a transmitter, the terminal estimates CSI of part of downlink channels based on the received pilot signal, the terminal superposes the CSI of part of downlink channels onto a uplink sounding signal orthogonally, and transmits them together; the transmitter obtains the CSI of the rest part of downlink channels by estimating the uplink sounding signal, the transmitter performs orthogonal de-multiplexing on the received signal to obtain the CSI of the part of downlink channels, the transmitter, by using the CSI of the two parts of downlink channels, pre-codes downlink data and transmits it to the terminal.
摘要翻译：提供了一种用于发送和接收信道状态信息（CSI）的系统，其中终端接收从发射机发送的导频信号，终端基于接收到的导频信号来估计部分下行链路信道的CSI，终端将CSI 下行链路信道的一部分正交到上行链路探测信号，并将它们一起发送; 发射机通过估计上行探测信号来获取下行链路信道的其余部分的CSI，发射机对接收到的信号进行正交解复用，以通过使用下行链路信道的CSI来获得下行链路信道的一部分的CSI 下行链路信道的两部分，预编码下行链路数据并将其发送到终端。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式