公开(公告)号：US20100278082A1

公开(公告)日：2010-11-04

申请号：US12811980

申请日：2008-12-04

申请人： Erik Dahlman ,  Stefan Parkvall

发明人： Erik Dahlman ,  Stefan Parkvall

IPC分类号： H04J3/16

CPC分类号： H04W72/0446 ,  H04W48/12

摘要： The present invention relates to a method and a radio base station for generating and assigning a different DL/UL transmission pattern to each terminal of a set of mobile terminals, which mutually unique patterns allow each terminal to receive downlink system information thereon.

摘要翻译： 本发明涉及一种方法和无线电基站，用于生成和分配不同的DL / UL传输模式到一组移动终端的每个终端，这些相互独特的模式允许每个终端在其上接收下行链路系统信息。

公开(公告)号：US20100118706A1

公开(公告)日：2010-05-13

申请号：US12595304

申请日：2008-04-03

申请人： Stefan Parkvall ,  David Astely ,  Erik Dahlman

发明人： Stefan Parkvall ,  David Astely ,  Erik Dahlman

IPC分类号： H04W24/00

CPC分类号： H04L5/005 ,  H04L5/0023 ,  H04L5/0094 ,  H04L25/0206 ,  H04L27/2613 ,  H04W24/02 ,  H04W48/12 ,  H04W48/20 ,  H04W72/005 ,  H04W72/042 ,  H04W88/08

摘要： The present invention relates to cellular radio communication and in particular to providing information on neighbour cells to enable terminals to perform neighbour cell measurements. In the prior art the terminal attempts to make neighbour cell measurements in a reference signal structure that is the same in the neighbour cell as in the cell the terminal camps in. The present invention is based on the insight that the reference signal structure may differ between neighbouring cell for example in the situation of an MBSFN area that is restricted to a region of all cells of a radio network, or in the situation of TDD mode being applied there may be different regions with different allocation of sub-frames for transmission in the uplink and downlink directions. The present invention solves the problem by broadcast information in a cell indicative of the reference signal structure in neighbour cells.

摘要翻译： 蜂窝无线电通信技术领域本发明涉及蜂窝无线电通信，特别涉及提供关于相邻小区的信息以使得终端能够执行相邻小区测量。 在现有技术中，终端尝试在相邻小区中与终端驻留的小区中相同的参考信号结构中进行相邻小区测量。本发明基于以下认识：参考信号结构可以在 例如在限于无线网络的所有小区的区域的MBSFN区域的情况下，或者在应用TDD模式的情况下，可能存在具有不同的子帧分配的不同区域，用于在 上下行方向。 本发明通过表示相邻小区中的参考信号结构的小区中的广播信息来解决该问题。

公开(公告)号：US20090268692A1

公开(公告)日：2009-10-29

申请号：US12097750

申请日：2006-12-13

申请人： Jacobus Cornelis Haartsen ,  Maria Edvardsson ,  Erik Dahlman ,  Stefan Parkvall

发明人： Jacobus Cornelis Haartsen ,  Maria Edvardsson ,  Erik Dahlman ,  Stefan Parkvall

IPC分类号： H04B7/216

CPC分类号： H04W52/04 ,  H04B1/7107 ,  H04L1/0001 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/18

摘要： A communication unit and a method for communicating at least one signal over a channel of a first channel type and at least one signal over a channel of a second channel type, which is different from the first channel type. The apparatus comprises a timer adapted to schedule a predetermined time period, during which interference due to simultaneous communication of signals over the channel of the first channel type and the channel of the second channel type is anticipated. Also, the apparatus comprises a processing unit adapted to apply, during the predetermined time period, an interference counteracting process for counteracting interference between any signal communicated over the channel of the first channel type and any signal communicated over the channel of the second channel type. The interference counteracting process comprises changing, during the predetermined time period, from a first to a second format for representing information transmitted over the channel of the first channel type, the second format being more robust than the first format.

摘要翻译： 一种通信单元和一种通过第一信道类型的信道和至少一个信号通过与第一信道类型不同的第二信道类型的信道来传送至少一个信号的方法。 该装置包括计时器，其适于调度预定的时间段，在该定时期间预期由于在第一信道类型的信道和第二信道类型的信道上的信号的同时通信而产生的干扰。 此外，该装置包括一个处理单元，适用于在预定的时间周期内应用干扰抵消过程，用于抵消通过第一信道类型的信道传送的任何信号与通过第二信道类型的信道传送的任何信号之间的干扰。 干扰对抗过程包括在预定时间段期间从用于表示通过第一信道类型的信道发送的信息的第一格式改变为第二格式，第二格式比第一格式更健壮。

公开(公告)号：US20080318588A1

公开(公告)日：2008-12-25

申请号：US12158480

申请日：2005-12-20

申请人： Stefan Parkvall ,  Pal Frenger ,  Erik Dahlman ,  Jonas Pettersson

发明人： Stefan Parkvall ,  Pal Frenger ,  Erik Dahlman ,  Jonas Pettersson

IPC分类号： H04Q7/20 ,  H04Q7/38

CPC分类号： H04W16/06 ,  H04W52/10 ,  H04W52/241 ,  H04W52/246 ,  H04W52/367 ,  H04W72/0426 ,  H04W72/082 ,  H04W84/042

摘要： The invention relates to a method for scheduling resources for uplink transmissions in a radio access network comprising access points which own pre-assigned resources. The invention also relates to an access point (5-7), a user terminal (1-4) and an access point controller 8. Characteristic features of the invention are that each AP places its resources to the disposition of other APs in the access network, and that an AP (7) transmits a blocking signal (BLOCK R3) if it does not allow a UT (3), which is served by an AP (5) in another cell, to use its resources (R3). A UT that detects a blocking signal from an AP that owns the resources on which the UT is transmitting immediately stops transmission on said resources. The signal quality of a detected blocking signal may be used for setting the transmission power on the resources the UT has borrowed from the AP which transmits the blocking signal. Based on statistics on the APs which transmit blocking signals long-term pre-allocation of resources among the APs is made.

摘要翻译： 本发明涉及一种用于在包括具有预分配资源的接入点的无线电接入网络中调度用于上行链路传输的资源的方法。 本发明还涉及接入点（5-7），用户终端（1-4）和接入点控制器8.本发明的特征是每个AP将其资源放置在接入中的其他AP的配置 并且如果AP（7）不允许由另一小区中的AP（5）服务的UT（3）使用其资源（R3），则AP（7）发送阻塞信号（BLOCK R3）。 检测来自拥有UT发送的资源的AP的阻塞信号的UT立即停止在所述资源上的传输。 检测到的阻塞信号的信号质量可以用于设置UT从发送阻塞信号的AP借用的资源上的发送功率。 基于传输阻塞信号的AP的统计数据，进行了AP间的资源长期预分配。

公开(公告)号：US20080205351A1

公开(公告)日：2008-08-28

申请号：US11943440

申请日：2007-11-20

申请人： Bengt Lindoff ,  Robert Baldemair ,  Erik Dahlman ,  Stefan Parkvall

发明人： Bengt Lindoff ,  Robert Baldemair ,  Erik Dahlman ,  Stefan Parkvall

IPC分类号： H04J11/00 ,  H04L7/00

CPC分类号： H04L27/2613 ,  H04L27/0008 ,  H04L27/0012 ,  H04L27/2626 ,  H04L27/2655 ,  H04L27/2666

摘要： A cellular communications system that utilizes OFDM in its radio interface is capable of utilizing either a first subcarrier spacing or a second subcarrier spacing. Which of these is presently in use is indicated by generating a first type of synchronization signal in response to the first subcarrier spacing presently being in use, and generating a second type of synchronization signal in response to the second subcarrier spacing presently being in use. Whichever of the first type of synchronization signal and the second type of synchronization signal was generated is transmitted. To distinguish between the first and second types of synchronization signals, a time domain representation of the second type of synchronization signal includes a plurality of instances of the first type of synchronization signal.

摘要翻译： 在其无线电接口中利用OFDM的蜂窝通信系统能够利用第一子载波间隔或第二子载波间隔。 当前正在使用中的哪一个当前正在使用时响应于当前正在使用的第一子载波间隔产生第一类型的同步信号，并且响应于当前正在使用的第二子载波间隔而产生第二类型的同步信号来指示。 发送第一类型的同步信号和第二类型的同步信号中的任何一个。 为了区分第一类型和第二类型的同步信号，第二类型的同步信号的时域表示包括第一类型的同步信号的多个实例。

公开(公告)号：US20080181194A1

公开(公告)日：2008-07-31

申请号：US11852606

申请日：2007-09-10

申请人： Bengt Lindoff ,  Robert Baldemair ,  Erik Dahlman ,  Stefan Parkvall

发明人： Bengt Lindoff ,  Robert Baldemair ,  Erik Dahlman ,  Stefan Parkvall

IPC分类号： H04J3/06

CPC分类号： H04L27/2655 ,  H04J11/0069 ,  H04L27/2602 ,  H04L27/2675

摘要： For wireless networks that transmit synchronization signals allowing user equipment to synchronize to cells within the network and transmit reference signals allowing user equipment to determine cell identities, a method and apparatus taught herein advantageously link the synchronization signal sequences to the reference signal sequences according to a defined mapping. The linking simplifies the cell search process by allowing user equipment to determine cell identities based on mapping detected synchronization signal sequences to the corresponding reference signal or to the corresponding subset of reference signals in embodiments where there are more reference signal sequences than synchronization signal sequences. In at least one embodiment, the network is a 3G LTE network and at least the Primary Synchronization Signal (P-SyS) sequences are linked to the Downlink (DL) reference symbol sequences according to a defined mapping, thereby allowing to user equipment to determine cell identities from detected P-SyS sequences.

摘要翻译： 对于发送允许用户设备与网络中的小区同步并发送允许用户设备确定小区标识的参考信号的同步信号的无线网络，本文教导的方法和装置有利地将同步信号序列链接到参考信号序列， 映射。 该链接通过允许用户设备基于将检测到的同步信号序列映射到对应的参考信号或者在具有比同步信号序列更多的参考信号序列的参考信号序列的相应子集中来确定小区标识来简化小区搜索过程。 在至少一个实施例中，网络是3G LTE网络，并且至少主同步信号（P-SyS）序列根据定义的映射链接到下行链路（DL）参考符号序列，从而允许用户设备确定 来自检测到的P-SyS序列的细胞鉴定。

公开(公告)号：US07359359B2

公开(公告)日：2008-04-15

申请号：US10545264

申请日：2004-02-17

申请人： Stefan Parkvall ,  Erik Dahlman

发明人： Stefan Parkvall ,  Erik Dahlman

IPC分类号： H04B7/212 ,  H04Q11/00

CPC分类号： H04L1/1845 ,  H04L1/0006 ,  H04L1/0025 ,  H04L1/0038 ,  H04L1/0046 ,  H04L1/1819

摘要： The present invention relates to transmissions and retransmissions in a communications system. It reveals a method and system for backward compatible detection of an introduced channel sub-frame structure particularly well suited for data transmissions. The invention is well suited for a cellular mobile radio communications system, particularly a Universal Mobile Telecommunications System, UMTS.

摘要翻译： 本发明涉及通信系统中的传输和重传。 它揭示了一种方法和系统，用于向后兼容检测引入的通道子帧结构，特别适用于数据传输。 本发明非常适用于蜂窝移动无线电通信系统，特别是通用移动电信系统UMTS。

公开(公告)号：US20070242652A1

公开(公告)日：2007-10-18

申请号：US11575121

申请日：2005-09-07

申请人： Erik Dahlman ,  Eva Englund ,  Jung-Fu Cheng ,  Yi-Pin Wang ,  Maria Edvardsson ,  Stefan Parkvall ,  Janne Peisa

发明人： Erik Dahlman ,  Eva Englund ,  Jung-Fu Cheng ,  Yi-Pin Wang ,  Maria Edvardsson ,  Stefan Parkvall ,  Janne Peisa

IPC分类号： H04B7/216

CPC分类号： H04L1/1692 ,  H04L1/1812 ,  H04L1/1854 ,  H04W52/48

摘要： Methods for improving uplink communications in a Wideband Code Division Multiple Access (WCDMA) communication system, wherein mobile terminals can transmit at various transmission power levels. In a mobile terminal, the method includes the steps of receiving a configuration message having at least one of a power offset parameter and a maximum number of retransmission attempts parameter; when the mobile terminal performs a non-scheduled transmission, it transmits according to the parameters contained in the configuration message. In a network node, the method includes the steps of transmitting to at least one mobile terminal the configuration message having at least one of a power offset parameter and a maximum number of retransmission attempts parameter; and, adjusting a power setting for the transmission of acknowledgement or negative-acknowledgement messages from the wireless network to one or more of mobile terminals.

摘要翻译： 用于改善宽带码分多址（WCDMA）通信系统中的上行链路通信的方法，其中移动终端可以以各种传输功率电平进行传输。 在移动终端中，该方法包括以下步骤：接收具有功率偏移参数和最大重传次数参数中的至少一个参数的配置消息; 当移动终端执行非调度传输时，它根据配置消息中包含的参数进行传输。 在网络节点中，该方法包括以下步骤：向至少一个移动终端发送具有功率偏移参数和最大重传次数参数中的至少一个参数的配置消息; 以及调整用于从所述无线网络向一个或多个移动终端传送确认或否定确认消息的功率设置。

公开(公告)号：US20060098688A1

公开(公告)日：2006-05-11

申请号：US10545264

申请日：2004-02-17

申请人： Stefan Parkvall ,  Erik Dahlman

发明人： Stefan Parkvall ,  Erik Dahlman

IPC分类号： H04J3/18

CPC分类号： H04L1/1845 ,  H04L1/0006 ,  H04L1/0025 ,  H04L1/0038 ,  H04L1/0046 ,  H04L1/1819

摘要： The present invention relates to transmissions and retransmissions in a communications system. It reveals a method and system for backward compatible detection of an introduced channel sub-frame structure particularly well suited for data transmissions. The invention is well suited for a cellular mobile radio communications system, particularly a Universal Mobile Telecommunications System, UMTS.

摘要翻译： 本发明涉及通信系统中的传输和重传。 它揭示了一种方法和系统，用于向后兼容检测引入的通道子帧结构，特别适用于数据传输。 本发明非常适用于蜂窝移动无线电通信系统，特别是通用移动电信系统UMTS。

公开(公告)号：US06912228B1

公开(公告)日：2005-06-28

申请号：US09550059

申请日：2000-04-14

申请人： Erik Dahlman ,  Stefan Parkvall

发明人： Erik Dahlman ,  Stefan Parkvall

IPC分类号： H04B7/005 ,  H04B7/216

CPC分类号： H04W52/226 ,  H04W52/223 ,  H04W52/343

摘要： The present invention employs a power control methodology that adapts to the transmission load associated with communications between a base station and a mobile terminal. In one example embodiment, the base station gradually adjusts the power data transmitted to the mobile terminal based on that associated transmission load. As a result, radio channel quality measurements influenced by that base station data transmission to the mobile terminal are not significantly affected by the transmit power adjustment. In other words, the rate at which the transmit power is changed is slower than the rate at which mobile stations measure channel quality. For example, mobile terminals may detect a signal-to-interference ratio every time slot and use that quality measurement for purposes of selecting a maximum transmission rate for the next time slot. The transmit power might be changed by an incremental amount once every ten time slots. By only gradually changing the base station transmit power, the accuracy of the mobile terminal channel quality estimates is not significantly affected. Moreover, if there is a relatively low transmission load, the base station does not waste resources or generate unnecessary interference by transmitting at maximum power.

摘要翻译： 本发明采用适应与基站和移动终端之间的通信相关联的传输负载的功率控制方法。 在一个示例实施例中，基站基于相关联的传输负载逐渐调整发送到移动终端的功率数据。 结果，受该基站数据传输到移动终端影响的无线电信道质量测量不受传输功率调整的显着影响。 换句话说，发射功率变化的速率比移动台测量信道质量的速率慢。 例如，移动终端可以每时隙检测信号干扰比，并且为了选择下一个时隙的最大传输速率，使用该质量测量。 发送功率可能会每十个时隙一次增加一次。 通过逐步改变基站的发射功率，移动终端信道质量估计的准确性没有明显的影响。 此外，如果存在相对较低的传输负荷，则基站不会以最大功率发送浪费资源或产生不必要的干扰。