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

WO2006099545A1 POWER CONTROL BASED ON AN OVERLAPPING FACTOR IN A QUASI-ORTHOGONAL OFDM SYSTEM 审中-公开
标题翻译：基于正交正交OFDM系统中的重叠因子的功率控制
公开(公告)号：WO2006099545A1
公开(公告)日：2006-09-21
申请号：PCT/US2006/009548
申请日：2006-03-15
申请人： QUALCOMM INCORPORATED , MESE, Murat , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , GOROKHOV, Alexei , JI, Tingfang
发明人： MESE, Murat , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , GOROKHOV, Alexei , JI, Tingfang
IPC分类号： H04B7/005
CPC分类号： H04W52/243 , H04W52/34
摘要： Techniques for controlling transmit power and the amount of overlapping in a quasi-orthogonal system are described. A base station for a sector receives transmissions from terminals in that sector and neighbor sectors and determines performance metrics (e.g., overall throughput) and/or QoS metrics (e.g., minimum data rate) for the terminals in the sector. The base station updates an overlapping factor based on the performance metrics and updates a QoS power control parameter based on the QoS metrics. The overlapping factor indicates the average number of overlapping transmissions sent simultaneously on each time-frequency block usable for data transmission. The QoS power control parameter ensures that the terminals in the sector can achieve minimum QoS requirements. A power control mechanism with multiple loops is used to adjust the transmit power of each terminal. The overlapping factor and QoS power control parameter are updated by two of the loops.
摘要翻译：描述了用于控制发射功率和准正交系统中的重叠量的技术。用于扇区的基站从该扇区和相邻扇区中的终端接收传输，并确定扇区中的终端的性能度量（例如总吞吐量）和/或QoS度量（例如，最小数据速率）。基站基于性能度量来更新重叠因子，并且基于QoS度量来更新QoS功率控制参数。重叠因子表示可用于数据传输的每个时间频率块上同时发送的重叠传输的平均数。 QoS功率控制参数确保了扇区中的终端可以达到最低的QoS要求。使用具有多个环路的功率控制机构来调整每个终端的发射功率。重叠因子和QoS功率控制参数由两个循环更新。

2. 发明申请

WO2006125150A3 SOFTER AND SOFT HANDOFF IN AN ORTHOGONAL FREQUENCY DIVISION WIRELESS COMMUNICATION SYSTEM 审中-公开
公开(公告)号：WO2006125150A3
公开(公告)日：2006-11-23
申请号：PCT/US2006/019434
申请日：2006-05-17
申请人： QUALCOMM INCORPORATED , SUTIVONG, Arak , NAGUIB, Ayman Fawzy , GORE, Dhananjay Ashok , GOROKHOV, Alexei , JI, Tingfang
发明人： SUTIVONG, Arak , NAGUIB, Ayman Fawzy , GORE, Dhananjay Ashok , GOROKHOV, Alexei , JI, Tingfang
IPC分类号： H04Q7/20
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.

3. 发明申请

WO2007051190A1 PILOT SIGNAL TRANSMISSION FOR AN ORTHOGONAL FREQUENCY DIVISION WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：正交频分区无线通信系统的试点信号传输
公开(公告)号：WO2007051190A1
公开(公告)日：2007-05-03
申请号：PCT/US2006/060336
申请日：2006-10-27
申请人： QUALCOMM INCORPORATED , GOROKHOV, Alexei , NAGUIB, Ayman, Fawzy , SUTIVONG, Arak , GORE, Dhananjay, Ashok , JI, Tingfang
发明人： GOROKHOV, Alexei , NAGUIB, Ayman, Fawzy , SUTIVONG, Arak , GORE, Dhananjay, Ashok , JI, Tingfang
IPC分类号： H04L27/26 , H04L1/00
CPC分类号： H04L27/2613 , H04B1/715 , H04B7/0413 , H04B7/12 , H04B2001/7154 , H04L1/0026 , H04L5/0023 , H04L5/0051 , H04L5/0058 , H04L25/0204 , H04L25/0216 , H04L25/0222 , H04L25/0226 , H04L25/0228 , H04L25/03866 , H04L27/261 , H04W16/28 , H04W72/1205
摘要： A plurality of transmission patterns for pilot systems transmitted from a mobile station or base station are provided. Depending upon the frequency selectivity and/or the time selectivity of the channel between the mobile station and the base station, an appropriate pattern is selected. The selected pattern allows for improved receipt of the pilot symbols. In addition, scrambling codes can be applied to the patterns for reducing interference and/or biasing the different mobile stations over the same frequencies and in the same slots.
摘要翻译：提供了从移动台或基站发送的用于导频系统的多个传输模式。根据移动站和基站之间的信道的频率选择性和/或时间选择性，选择适当的模式。所选择的模式允许改进对导频符号的接收。此外，可以将扰码应用于用于在相同频率上和相同时隙中减少干扰和/或偏置不同移动站的模式。

4. 发明申请

WO2006135518A2 LOW COMPLEXITY BEAMFORMING FOR MULTIPLE ANTENNA SYSTEMS 审中-公开
标题翻译：用于多个天线系统的低复杂度波束
公开(公告)号：WO2006135518A2
公开(公告)日：2006-12-21
申请号：PCT/US2006/018357
申请日：2006-05-12
申请人： QUALCOMM INCORPORATED , JI, Tingfang , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , GOROKHOV, Alexei , SAMPATH, Hemanth , DONG, Min
发明人： JI, Tingfang , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , GOROKHOV, Alexei , SAMPATH, Hemanth , DONG, Min
IPC分类号： H04J11/00 , H04Q7/00
CPC分类号： H01Q3/26 , H04B1/713 , H04B7/0617 , H04B7/0626 , H04L27/2626
摘要： Methods and apparatuses are disclosed that utilize the discrete Fourier transform of time domain responses to generate beamforming weights for wireless communication. In addition, in some embodiments frequency subcarriers constituting less than all of the frequency subcarriers allocated for communication to a user may utilized for generating the beamforming weights.
摘要翻译：公开了利用时域响应的离散傅立叶变换来生成用于无线通信的波束成形权重的方法和装置。此外，在一些实施例中，构成小于分配给用户通信的所有频率副载波的频率副载波可用于产生波束形成权重。

5. 发明申请

WO2006110259A1 PILOT SIGNAL TRANSMISSION FOR AN ORTHOGONAL FREQUENCY DIVISION WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：正交频分区无线通信系统的试点信号传输
公开(公告)号：WO2006110259A1
公开(公告)日：2006-10-19
申请号：PCT/US2006/009708
申请日：2006-03-17
申请人： QUALCOMM INCORPORATED , GOROKHOV, Alexei , NAGUIB, Ayman, Fawzy , SUTIVONG, Arak , GORE, Dhananjay, Ashok , JI, Tingfang
发明人： GOROKHOV, Alexei , NAGUIB, Ayman, Fawzy , SUTIVONG, Arak , GORE, Dhananjay, Ashok , JI, Tingfang
IPC分类号： H04L27/26
CPC分类号： H04L5/023 , H04L5/0007 , H04L5/0039 , H04L5/0051 , H04L5/0062 , H04L27/261
摘要： Transmission patterns for pilot symbols transmitted from a mobile station or base station are provided. The pattern allows for improved receipt of the pilot symbols transmitted. In addition, schemes for improving the ability to multiplex pilot symbols without interference and/ or biasing from different mobile stations over the same frequencies and in the same time slots . In Frequency Hopping OFDMA, the pilot symbols between users may overlap. Orthogonality between overlapping users is ensured by using orthogonal pilot sequences, sector and cell specific scrambling codes.
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。该模式允许改进对所发送的导频符号的接收。另外，用于在相同的频率和相同的时隙中提高在不干扰和/或来自不同移动台的偏置的情况下对导频符号进行复用的能力的方案。在跳频OFDMA中，用户之间的导频符号可能重叠。通过使用正交导频序列，扇区和小区特定的扰码来确保重叠用户之间的正交性。

6. 发明申请

WO2006102077A1 PILOT SIGNAL TRANSMISSION FOR AN ORTHOGONAL FREQUENCY DIVISION WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：正交频分区无线通信系统的试点信号传输
公开(公告)号：WO2006102077A1
公开(公告)日：2006-09-28
申请号：PCT/US2006/009707
申请日：2006-03-17
申请人： QUALCOMM INCORPORATED , GOROKHOV, Alexei , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , JI, Tingfang
发明人： GOROKHOV, Alexei , NAGUIB, Ayman Fawzy , SUTIVONG, Arak , GORE, Dhananjay Ashok , JI, Tingfang
IPC分类号： H04L27/26
CPC分类号： H04L5/0048 , H04L5/0023
摘要： Transmission patterns for pilot symbols transmitted from a mobile station or base station are provided. The pattern allows for improved receipt of the pilot symbols transmitted. In addition, schemes for improving the ability to multiplex pilot symbols without interference and/ or biasing from different mobile stations over the same frequencies and in the same time slots.
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。该模式允许改进对所发送的导频符号的接收。另外，用于在相同的频率和相同的时隙中提高在不干扰和/或来自不同移动台的偏置的情况下导频符号的复用能力的方案。

7. 发明申请

WO2006096763A1 RATE SELECTION FOR A QUASI-ORTHOGONAL COMMUNICATION SYSTEM 审中-公开
标题翻译：一种正交正交通信系统的速率选择
公开(公告)号：WO2006096763A1
公开(公告)日：2006-09-14
申请号：PCT/US2006/008221
申请日：2006-03-07
申请人： QUALCOMM INCORPORATED , NAGUIB, Ayman Fawzy , GOROKHOV, Alexei , JI, Tingfang , GORE, Dhananjay Ashok , SUTIVONG, Arak
发明人： NAGUIB, Ayman Fawzy , GOROKHOV, Alexei , JI, Tingfang , GORE, Dhananjay Ashok , SUTIVONG, Arak
IPC分类号： H04L1/00 , H04L1/20
CPC分类号： H04L1/0019 , H04L1/0003 , H04L1/0016 , H04L1/06 , H04L25/0212 , H04L25/0228 , H04L25/0242 , H04L25/0256
摘要： To select a rate for a transmitter in a communication system, a receiver obtains a channel response estimate and a received SINR estimate for the transmitter, e.g., based on a pilot received from the transmitter. The receiver computes a hypothesized SINR for the transmitter based on the channel response estimate and the received SINR estimate. The receiver then selects a rate for the transmitter based on (1) the hypothesized SINR and (2) characterized statistics of noise and interference at the receiver for the transmitter, which may be given by a probability density function (PDF) of SINR loss with respect to the hypothesized SINR. A look-up table of rate versus hypothesized SINR may be generated a priori for the PDF of SINR loss. The receiver may then apply the hypothesized SINR for the transmitter to the look-up table, which then provides the rate for the transmitter.
摘要翻译：为了在通信系统中选择发射机的速率，接收机例如基于从发射机接收到的导频，获得用于发射机的信道响应估计和接收到的SINR估计。接收机基于信道响应估计和接收的SINR估计来计算发射机的假设SINR。接收机然后基于（1）假设的SINR和（2）用于发射机的接收机处的噪声和干扰的特征统计来选择发射机的速率，其可以由SINR丢失的概率密度函数（PDF）给出，尊重假设的SINR。速率与假设SINR的查找表可能会先于SINR损失的PDF生成。然后，接收机可以将发射机的假设SINR应用于查找表，然后查找表提供发射机的速率。

8. 发明申请

WO2006132835A2 RECEPTION OF H-ARQ TRANSMISSIONS WITH INTERFERENCE CANCELLATION IN A QUASI-ORTHOGONAL COMMUNICATION SYSTEM 审中-公开
标题翻译：接收正交通信系统中干扰消除的H-ARQ传输
公开(公告)号：WO2006132835A2
公开(公告)日：2006-12-14
申请号：PCT/US2006/020611
申请日：2006-05-25
申请人： QUALCOMM INCORPORATED , NAGUIB, Ayman, Fawzy , GOROKHOV, Alexei , GORE, Dhananjay, Askok , JI, Tingfang , SUTIVONG, Arak
发明人： NAGUIB, Ayman, Fawzy , GOROKHOV, Alexei , GORE, Dhananjay, Askok , JI, Tingfang , SUTIVONG, Arak
IPC分类号： H04Q7/00
CPC分类号： H04L1/1819 , H04B2001/7152 , H04L5/0023 , H04L25/0224
摘要： To receive packets with interference cancellation, block transmissions for the packets are received on time-frequency blocks used by these packets. Receiver spatial processing is performed on input symbols to obtain detected symbols. Each packet is demodulated and decoded based on all detected symbols obtained for all block transmissions received for the packet. For each packet that is decoded correctly, the transmission for the packet is terminated, the interference due to the packet is estimated, and the estimated interference is subtracted from the input symbols for all time-frequency blocks used by the packet. Receiver spatial processing is performed on the interference-canceled symbols to obtain new detected symbols for all time-frequency blocks used by all correctly decoded packets. Each packet decoded in error and overlapping at least partially with any correctly decoded packet may be demodulated and decoded based on all detected symbols available for that packet.
摘要翻译：为了接收具有干扰消除的分组，在这些分组使用的时间 - 频率块上接收分组的块传输。对输入符号执行接收机空间处理以获得检测符号。基于为分组接收到的所有块传输获得的所有检测到的符号，对每个分组进行解调和解码。对于正确解码的每个分组，分组的传输被终止，估计由于分组引起的干扰，并且从分组使用的所有时间频率块的输入符号中减去所估计的干扰。对干扰消除的符号进行接收机空间处理，以获得由所有正确解码的分组使用的所有时间频率块的新的检测符号。至少部分地与任何正确解码的分组进行错误解码和重叠的每个分组可以基于可用于该分组的所有检测到的符号进行解调和解码。

9. 发明申请

WO2006138554A2 USER SEPARATION IN SPACE DIVISION MULTIPLE ACCESS FOR A MULTI-CARRIER COMMUNICATION SYSTEM 审中-公开
标题翻译：用于多载波通信系统的空间分多址接入用户分离
公开(公告)号：WO2006138554A2
公开(公告)日：2006-12-28
申请号：PCT/US2006/023481
申请日：2006-06-16
申请人： QUALCOMM INCORPORATED , DONG, Min , JI, Tingfang , GORE, Dhananjay Ashok , GOROKHOV, Alexei , SUTIVONG, Arak
发明人： DONG, Min , JI, Tingfang , GORE, Dhananjay Ashok , GOROKHOV, Alexei , SUTIVONG, Arak
IPC分类号： H04Q7/36 , H04B7/04 , H04Q7/38
CPC分类号： H04B7/0617 , H04B7/0452 , H04W16/04 , H04W16/28
摘要： Apparatuses and methodologies are described that increase system capacity in a multi-access wireless communication system. Spatial dimensions may be utilized to distinguish between multiple signals utilizing the same channel and thereby increase system capacity. Signals may be separated by applying beamforming weights based upon the spatial signature of the user device-base station pair. Grouping spatially orthogonal or disparate user devices on the same channel facilitates separation of signals and maximization of user device throughput performance. User devices may be reassigned to groups periodically or based upon changes in the spatial relationships between the user devices and the base station.
摘要翻译：描述了在多址无线通信系统中增加系统容量的装置和方法。可利用空间维度来区分使用相同信道的多个信号，从而增加系统容量。可以基于用户设备 - 基站对的空间签名应用波束成形权重来分离信号。在相同信道上对空间正交或不同用户设备进行分组有助于信号分离和用户设备吞吐量性能的最大化。用户设备可以周期性地或基于用户设备和基站之间的空间关系的改变重新分配给组。

10. 发明申请

WO2006099577A1 CHANNEL STRUCTURES FOR A QUASI-ORTHOGONAL MULTIPLE-ACCESS COMMUNICATION SYSTEM 审中-公开
标题翻译：正交多通道通信系统的通道结构
公开(公告)号：WO2006099577A1
公开(公告)日：2006-09-21
申请号：PCT/US2006/009757
申请日：2006-03-16
申请人： QUALCOMM INCORPORATED , JI, Tingfang , NAGUIB, Ayman , SUTIVONG, Arak , GORE, Dhananjay, Ashok , GOROKHOV, Alexei
发明人： JI, Tingfang , NAGUIB, Ayman , SUTIVONG, Arak , GORE, Dhananjay, Ashok , GOROKHOV, Alexei
IPC分类号： H04J11/00
CPC分类号： H04J11/005 , H04B1/7143
摘要： A channel structure has at least two channel sets. Each channel set contains multiple channels and is associated with a specific mapping of the channels to the system resources available for data transmission. Each channel set may be defined based on a channel tree having a hierarchical structure. To achieve intra-cell interference diversity, the channel-to-resource mapping for each channel set is pseudo-random with respect to the mapping for each remaining channel set. In each scheduling interval, terminals are scheduled for transmission on the forward and/or reverse link. The scheduled terminals are assigned channels from the channel sets. Multiple terminals may use the same system resources and their overlapping transmissions may be separated in the spatial domain. For example, beamforming may be performed to send multiple overlapping transmissions on the forward link, and receiver spatial processing may be performed to separate out multiple overlapping transmissions received on the reverse link.
摘要翻译：通道结构具有至少两个通道组。每个信道集合包含多个信道，并且将信道的特定映射与可用于数据传输的系统资源相关联。可以基于具有分层结构的信道树来定义每个信道集合。为了实现小区内干扰分集，每个信道集合的信道到资源映射相对于每个剩余信道集合的映射是伪随机的。在每个调度间隔中，终端被调度为在前向链路和/或反向链路上传输。调度终端从通道集分配通道。多个终端可以使用相同的系统资源，并且它们的重叠传输可以在空间域中分离。例如，可以执行波束成形以在前向链路上发送多个重叠传输，并且可以执行接收机空间处理以分离在反向链路上接收的多个重叠传输。

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