公开(公告)号：US08498659B2

公开(公告)日：2013-07-30

申请号：US13094120

申请日：2011-04-26

申请人： Yong He ,  Hui Ni

发明人： Yong He ,  Hui Ni

IPC分类号： H04Q7/32

CPC分类号： H04B7/0495 ,  H04B1/74 ,  H04B7/0491 ,  H04B7/06 ,  H04W88/08 ,  H04W88/085

摘要： A communication system, apparatus and method are provided according to embodiments of the present invention. The communication system includes: a base band unit (BBU), at least two antennas and at least two radio-frequency (RF) units, where the at least two RF units are connected with the BBU respectively; and each of the antennas is connected with at least two RF units respectively, so that a signal received from a same sector by an antenna is sent to the BBU via different RF units. With the embodiments of the present invention, the reliability of RF units may be improved without increasing the hardware cost of the base station.

公开(公告)号：US20130157710A1

公开(公告)日：2013-06-20

申请号：US13328139

申请日：2011-12-16

申请人： Sairamesh Nammi ,  Paulson Angelo Vijay Silveris

发明人： Sairamesh Nammi ,  Paulson Angelo Vijay Silveris

IPC分类号： H04W36/24

CPC分类号： H04B7/0491 ,  H04B7/0689 ,  H04W36/0072

摘要： A method providing communications for a wireless terminal in a wireless communication network may include providing communications for the wireless terminal from a first antenna array for a first base station sector. Responsive to receiving an entry notification that the wireless terminal has entered a border area between the first base station sector and a second base station sector, a load in the second base station sector may be compared with a load threshold. Responsive to the load in the second base station sector being less than the load threshold, multipoint communications may be provided for the wireless terminal through the first antenna array for the first base station sector and through a second antenna array for the second base station sector. Responsive to the load in the second base station sector being greater than the load threshold, multipoint communications may be blocked for the wireless terminal.

摘要翻译： 为无线通信网络中的无线终端提供通信的方法可以包括为第一基站扇区的第一天线阵列提供无线终端的通信。 响应于接收到无线终端已经进入第一基站扇区和第二基站扇区之间的边界区域的进入通知，可以将第二基站扇区中的负载与负载阈值进行比较。 响应于第二基站扇区中的负载小于负载阈值，可以通过第一基站扇区的第一天线阵列和第二基站扇区的第二天线阵列为无线终端提供多点通信。 响应于第二基站扇区中的负载大于负载阈值，对于无线终端可能阻止多点通信。

公开(公告)号：US08369855B2

公开(公告)日：2013-02-05

申请号：US13347342

申请日：2012-01-10

申请人： Masahiro Yahagi

发明人： Masahiro Yahagi

IPC分类号： H04W36/00

CPC分类号： H04B7/022 ,  H04B7/0491 ,  H04B7/0857 ,  H04B7/0871 ,  H04B7/0874

摘要： Disclosed is a mobile communications system including a plurality of base station apparatuses which are located at geographically dispersed locations and perform a wireless communication with a mobile device. The system further includes a maximum ratio combining unit which performs maximum ratio combining processing regarding a signal the base station apparatuses receive from the mobile device, and a selection combining unit which performs selection combining processing regarding the signal from the mobile device. A selection unit included in the system selects one or both of the maximum ratio combining unit and the selection combining unit according to at least one of an external factor and a change of a distribution state of the mobile device under communication.

摘要翻译： 公开了一种移动通信系统，包括位于地理位置分散的多个基站装置，并与移动装置进行无线通信。 所述系统还包括对从所述移动设备接收到的基站装置接收的信号进行最大比合并处理的最大比合并部，以及对来自所述移动装置的信号进行选择合成处理的选择组合部。 根据通信中的移动设备的分配状态的外部因素和变化中的至少一个，系统中包括的选择单元选择最大比合并单元和选择合并单元中的一个或两个。

公开(公告)号：US08233939B2

公开(公告)日：2012-07-31

申请号：US12059375

申请日：2008-03-31

申请人： Li Li ,  Clark Chen ,  Guangjie Li ,  May Wu

发明人： Li Li ,  Clark Chen ,  Guangjie Li ,  May Wu

IPC分类号： H04B1/38 ,  H04B15/00 ,  H04W4/00

CPC分类号： H04L5/0023 ,  H04B7/0452 ,  H04B7/0465 ,  H04B7/0491 ,  H04B7/0632 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/006 ,  H04L25/03343

摘要： Embodiments of methods and apparatus for a multiuser sector micro diversity system are described herein. Other embodiments may be described and claimed.

摘要翻译： 本文描述了用于多用户扇区微分集系统的方法和装置的实施例。 可以描述和要求保护其他实施例。

公开(公告)号：US08224253B2

公开(公告)日：2012-07-17

申请号：US13115751

申请日：2011-05-25

申请人： Yoram Ofek ,  Bezalel Gavish

发明人： Yoram Ofek ,  Bezalel Gavish

IPC分类号： H04B15/00 ,  H04B17/00 ,  H04B1/38

CPC分类号： H04B7/0491 ,  H01Q1/246 ,  H01Q21/065

摘要： Methods and systems for packet-by-packet directional mobile wireless transmission utilizing plurality of directional antenna sectors, such that, the transmission of each packet is performed by at least one selected antenna sector. A plurality of directional antenna sectors, at least one receiving controller, and at least one transmitting controller, are all physically located at the same location. The direction of transmission is selected responsive to the direction in which the best electromagnetic signal reception was received. For each plurality of data packets, the transmission direction is selected again. Switching logic is coupling the out going transmission signal to selected ones from the plurality of the antennas responsive to the motion of the mobile user. The antenna design in this invention is aimed at increasing the gain and minimizing the interfering signals with respect large number of mobile users who are concurrently and continuously tracking and communicating with their access points, and consequently, increasing the bit rate of each transmission and the aggregate capacity of the wireless system.

摘要翻译： 用于使用多个定向天线扇区的逐分组定向移动无线传输的方法和系统，使得每个分组的传输由至少一个选定的天线扇区执行。 多个定向天线扇区，至少一个接收控制器和至少一个发射控制器都在物理上位于同一位置。 响应于接收到最好的电磁信号接收的方向选择发送方向。 对于每个多个数据分组，再次选择传输方向。 响应于移动用户的运动，开关逻辑将来自多个天线的输出信号耦合到选定的发射信号。 本发明中的天线设计旨在增加增益并最大限度地减少与大量移动用户的干扰信号，这些移动用户与其接入点同时并连续地跟踪和通信，并因此增加每个传输的比特率， 无线系统的总容量。

公开(公告)号：US08150326B2

公开(公告)日：2012-04-03

申请号：US12516587

申请日：2007-12-28

申请人： James Awuor Oduor Okello ,  Katsutoshi Seki

发明人： James Awuor Oduor Okello ,  Katsutoshi Seki

IPC分类号： H04B1/00 ,  H04B15/00

CPC分类号： H04B7/0491

摘要： Disclosed is a signal processing system in a base station that receives and processes single carrier or multiple carrier signals from transmitting units in a sectored coverage area with at least one transmit antenna and at least one receive antenna, the signal power gain between transmit and receive antennas within each sector being represented as a channel matrix with path gains. The system comprises: a detection unit that determines if signals from a given target transmitting unit is available in the signal received in a sector, and generates a detect signal for a combination unit; a decision unit that selects size of interference cancellation matrix; and an interference cancellation unit. When the signal from detection unit indicates that signal from a target transmitting unit is in the signal associated with at least two sectors, the decision unit joins channel matrices associated with the sectors to generate a large channel matrix, and using the resulting large channel matrix, the interference cancellation unit eliminates interference or generates originally transmitted signal. When the signal from detection unit indicates that signal from a target transmitting unit is in the signal of only one sector, the interference cancellation unit eliminates interference from the received signal, using the channel matrix associated with the one sector.

摘要翻译： 公开了一种基站中的信号处理系统，其接收并处理具有至少一个发射天线和至少一个接收天线的扇区覆盖区域中的发射单元的单载波或多载波信号，即发射天线和接收天线之间的信号功率增益 在每个扇区内被表示为具有路径增益的信道矩阵。 该系统包括：检测单元，其确定来自给定目标发送单元的信号在扇区中接收的信号中是否可用，并且生成用于组合单元的检测信号; 选择干扰消除矩阵的大小的判定单元; 和干扰消除单元。 当来自检测单元的信号指示来自目标发送单元的信号处于与至少两个扇区相关联的信号中时，判决单元加入与扇区相关联的信道矩阵以生成大信道矩阵，并且使用所得到的大信道矩阵， 干扰消除单元消除干扰或产生原始发送的信号。 当来自检测单元的信号指示来自目标发送单元的信号仅在一个扇区的信号中时，干扰消除单元使用与该扇区相关联的信道矩阵来消除来自接收信号的干扰。

公开(公告)号：US08064393B2

公开(公告)日：2011-11-22

申请号：US11997841

申请日：2006-08-04

申请人： Masaru Fukuoka ,  Akihiko Nishio ,  Kenichi Miyoshi ,  Daichi Imamura ,  Kenichi Kuri

发明人： Masaru Fukuoka ,  Akihiko Nishio ,  Kenichi Miyoshi ,  Daichi Imamura ,  Kenichi Kuri

IPC分类号： H04W4/00 ,  H04J1/00

CPC分类号： H04B7/12 ,  H04B7/0491 ,  H04B7/068 ,  H04J11/0093 ,  H04L5/0023 ,  H04L5/0044 ,  H04L27/2647

摘要： Provided is a wireless communication apparatus by which reduction of a diversity gain can be suppressed at minimum in the case of employing a repetition technology in multicarrier communication. In the wireless communication apparatus (100), repetition sections (102-1 to 102-n) repeat each data symbol inputted from modulating sections (101-1 to 101-n) to create a plurality of identical data symbols. An allocating section (103) outputs each data symbol to a multiplexing section (105) by allocating the data symbol to a plurality of subcarriers constituting an OFDM symbol. At this time, the allocating section (103) allocates at least one of the repeated identical symbols to a subcarrier different from a subcarrier to which the symbol is allocated in an adjacent sector.

摘要翻译： 提供一种无线通信装置，在多载波通信中采用重复技术的情况下，能够抑制分集增益的降低至少。 在无线通信装置（100）中，重复部（102-1〜102-n）重复从调制部（101-1〜101-n）输入的各数据符号，生成多个相同的数据符号。 分配部（103）通过将数据符号分配给构成OFDM符号的多个副载波，将各数据符号输出到复用部（105）。 此时，分配部（103）将重复的相同符号中的至少一个分配给与在相邻扇区中分配符号的子载波不同的子载波。

公开(公告)号：US08045988B2

公开(公告)日：2011-10-25

申请号：US12818078

申请日：2010-06-17

申请人： Arak Sutivong ,  Ayman Fawzy Naguib ,  Dhananjay Gore ,  Alexei Gorokhov ,  Tingfang Ji

发明人： Arak Sutivong ,  Ayman Fawzy Naguib ,  Dhananjay Gore ,  Alexei Gorokhov ,  Tingfang Ji

IPC分类号： H04W36/00

CPC分类号： H04B1/713 ,  H04B7/022 ,  H04B7/0491 ,  H04L5/0012 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/006 ,  H04L5/0069 ,  H04L25/0226 ,  H04L27/2613 ,  H04W36/18 ,  H04W48/08

摘要： Transmission patterns for pilot symbols transmitted from a mobile station or base station are provided. The patterns may be selected according to a location of the mobile station with respect to one or more antennas are provided. In some aspects, the pattern may be selected based upon the distance between the mobile station and the one or more antennas. In other aspect, the pattern may be based upon whether the mobile station is in handoff.

摘要翻译： 提供从移动台或基站发送的导频符号的传输模式。 可以根据移动台相对于一个或多个天线的位置来选择模式。 在一些方面，可以基于移动台与一个或多个天线之间的距离来选择该模式。 在另一方面，该模式可以基于移动台是否处于切换状态。

公开(公告)号：US20110201268A1

公开(公告)日：2011-08-18

申请号：US13094120

申请日：2011-04-26

申请人： Yong HE ,  Hui Ni

发明人： Yong HE ,  Hui Ni

IPC分类号： H04B7/14 ,  H04B1/06

CPC分类号： H04B7/0495 ,  H04B1/74 ,  H04B7/0491 ,  H04B7/06 ,  H04W88/08 ,  H04W88/085

摘要： A communication system, apparatus and method are provided according to embodiments of the present invention. The communication system includes: a base band unit (BBU), at least two antennas and at least two radio-frequency (RF) units, where the at least two RF units are connected with the BBU respectively; and each of the antennas is connected with at least two RF units respectively, so that a signal received from a same sector by an antenna is sent to the BBU via different RF units. With the embodiments of the present invention, the reliability of RF units may be improved without increasing the hardware cost of the base station.

摘要翻译： 根据本发明的实施例提供一种通信系统，装置和方法。 所述通信系统包括：基带单元（BBU），至少两个天线和至少两个射频（RF）单元，其中所述至少两个RF单元分别与所述BBU连接; 并且每个天线分别与至少两个RF单元连接，使得由天线从相同扇区接收的信号经由不同的RF单元被发送到BBU。 利用本发明的实施例，可以提高RF单元的可靠性，而不增加基站的硬件成本。

公开(公告)号：US20110169713A1

公开(公告)日：2011-07-14

申请号：US13061218

申请日：2008-08-28

申请人： Henrik Asplund ,  Bo Hagerman ,  Arne Simonsson

发明人： Henrik Asplund ,  Bo Hagerman ,  Arne Simonsson

IPC分类号： H04W16/24

CPC分类号： H04B7/10 ,  H01Q1/246 ,  H01Q21/205 ,  H04B7/0491

摘要： The present invention relates to a node in a wireless communication system, the node having a central point and comprising at least two antenna functions. Each antenna function is arranged to cover a corresponding sector area, the sector areas being positioned around the central point successively such that each sector area is adjacent to at least one other sector area separated by corresponding borders. The polarization of at least one of said antenna functions is variable between the borders of the corresponding sector area such that for each border, the polarizations of the antenna functions at each side of the border are essentially orthogonal at the border. The present invention also relates to a corresponding wireless communication system and corresponding antenna functions.

摘要翻译： 本发明涉及无线通信系统中的节点，该节点具有中心点并且包括至少两个天线功能。 每个天线功能被布置成覆盖对应的扇区区域，扇区区域连续地围绕中心点定位，使得每个扇区区域与由对应边界分开的至少一个其他扇区区域相邻。 所述天线功能中的至少一个的极化在对应扇区区域的边界之间是可变的，使得对于每个边界，在边界的每一侧的天线的极化函数在边界处基本上是正交的。 本发明还涉及相应的无线通信系统和相应的天线功能。