Method and apparatus for mitigating interference in wireless communication system
    42.
    发明专利
    Method and apparatus for mitigating interference in wireless communication system 有权
    用于减少无线通信系统干扰的方法和装置

    公开(公告)号:JP2013031177A

    公开(公告)日:2013-02-07

    申请号:JP2012176040

    申请日:2012-08-08

    CPC classification number: H04W16/12 H04W16/02

    Abstract: PROBLEM TO BE SOLVED: To reduce inter-cell interference with a more efficient method.SOLUTION: Inter-cell interference is mitigated using joint time and frequency division. A frequency band is divided into multiple non-overlapping frequency subbands. A transmission timeline is divided into Tand Ttime intervals. Data is exchanged with users in at least one inner region of a cell on the entire frequency band in the Ttime intervals. The data is exchanged with users in multiple outer regions of the cell on the multiple frequency subbands in the Ttime intervals. The frequency band may be divided into three frequency subbands. The data may then be exchanged with users in first, second and third outer regions on first, second and third frequency subbands, respectively. The regions in which the users are located may be determined based on pilot and/or other measurements.

    Abstract translation: 要解决的问题:通过更有效的方法来减少小区间干扰。

    解决方案:使用联合时间和分频来减轻小区间干扰。 频带被划分为多个非重叠频率子带。 传输时间线被划分为中的T 和T 时间间隔。 在时间间隔的T 中,在整个频带上的小区的至少一个内部区域中与用户交换数据。 在T 时间间隔内,在多个频率子带上的小区的多个外部区域中的用户交换数据。 频带可以被分成三个频率子带。 然后可以分别在第一,第二和第三频率子带上的第一,第二和第三外部区域中的用户交换数据。 可以基于导频和/或其他测量来确定用户所在的区域。 版权所有(C)2013,JPO&INPIT

    Method and apparatus for random access in orthogonal multiple-access communication system
    43.
    发明专利
    Method and apparatus for random access in orthogonal multiple-access communication system 有权
    正交多通道通信系统随机访问的方法与装置

    公开(公告)号:JP2012257258A

    公开(公告)日:2012-12-27

    申请号:JP2012155004

    申请日:2012-07-10

    Abstract: PROBLEM TO BE SOLVED: To provide techniques for accessing a wireless communication system.SOLUTION: User equipment (UE) sends a random access preamble including a random identifier (ID), a channel quality indicator (CQI), etc. The UE randomly selects the random ID, or this random ID is assigned to the UE. The UE receives a random access response from a base station. The random access response includes control channel resources (CQI and PC resources), uplink resources, and control information (timing advance and PC correction) for the UE. The random access response is sent in two parts using two messages. A first message may include identification information and other information on a control channel. A second message may be sent on a shared data channel and may include remaining information for the random access response.

    Abstract translation: 要解决的问题:提供接入无线通信系统的技术。 解决方案:用户设备(UE)发送包括随机标识符(ID),信道质量指示符(CQI)等的随机接入前导码.UE随机选择随机ID,或将该随机ID分配给UE 。 UE从基站接收随机接入响应。 随机接入响应包括UE的控制信道资源(CQI和PC资源),上行链路资源和控制信息(定时提前和PC校正)。 随机访问响应使用两个消息分两部分发送。 第一消息可以包括控制信道上的标识信息和其他信息。 可以在共享数据信道上发送第二消息,并且可以包括用于随机接入响应的剩余信息。 版权所有(C)2013,JPO&INPIT

    Method and apparatus for sending scheduling information for broadcast and multicast services in cellular communication system
    44.
    发明专利
    Method and apparatus for sending scheduling information for broadcast and multicast services in cellular communication system 有权
    用于在细胞通信系统中发送广播和多媒体服务的调度信息的方法和装置

    公开(公告)号:JP2012199957A

    公开(公告)日:2012-10-18

    申请号:JP2012111742

    申请日:2012-05-15

    Abstract: PROBLEM TO BE SOLVED: To provide techniques for supporting broadcast and multicast services in a cellular communication system.SOLUTION: A Node B periodically sends scheduling information used to determine radio resources carrying broadcast and multicast services. The scheduling information conveys time unit(s) used for each broadcast or multicast service. In another design, the Node B maps data for the broadcast and multicast services to time frequency blocks. The scheduling information (i) conveys the time frequency block(s) used for each broadcast or multicast service or (ii) points to control information conveying the time frequency block(s) used for each service.

    Abstract translation: 要解决的问题:提供在蜂窝通信系统中支持广播和多播服务的技术。 解决方案:节点B周期性地发送用于确定承载广播和多播服务的无线电资源的调度信息。 调度信息传送用于每个广播或多播服务的时间单位。 在另一种设计中,节点B将用于广播和多播服务的数据映射到时间频率块。 调度信息(i)传送用于每个广播或多播服务的时间频率块,或(ii)指向传送用于每个服务的时间频率块的控制信息。 版权所有(C)2013,JPO&INPIT

    Hierarchical modulation for communication channels in single-carrier frequency division multiple access
    45.
    发明专利
    Hierarchical modulation for communication channels in single-carrier frequency division multiple access 审中-公开
    单载波频段多通道通信信道分层调制

    公开(公告)号:JP2012182808A

    公开(公告)日:2012-09-20

    申请号:JP2012095552

    申请日:2012-04-19

    CPC classification number: H04L27/2604 H04L5/023 H04L27/183 H04L27/3488

    Abstract: PROBLEM TO BE SOLVED: To provide systems and methods for transmitting simultaneously a first and a second communication channel in a single-carrier waveform format with disparate error rate requirements.SOLUTION: A first channel and a second channel are coded individually to form an alphabet for a first constellation and a second constellation. Prior to transmission, bits of information of the first and second channels are modulated with a hierarchical modulation constellation generated through composition of the first and second constellations. Each constellation is assigned a configurable weight (e.g., a "hierarchic weight") that is expressed in terms of a configurable energy ratio. The energy ratio determines the resilience of bits associated with the first and second channels. The first and second constellations provide redundancy to mitigate an error rate within each quadrant of the hierarchical constellation. Hierarchical modulation of more than two channels can be accomplished through the same principal of individual coding and constellation composition.

    Abstract translation: 要解决的问题:提供以不同的错误率要求以单载波波形格式同时传输第一和第二通信信道的系统和方法。 解决方案:第一通道和第二通道被分别编码以形成用于第一星座和第二星座的字母表。 在发送之前,通过第一和第二星座的组合产生的分级调制星座来调制第一和第二信道的信息比特。 为每个星座分配一个可配置的权重(例如,“分级权重”),其以可配置的能量比表示。 能量比确定与第一和第二通道相关联的位的弹性。 第一和第二星座提供冗余以减轻分层星座的每个象限内的错误率。 可以通过相同的个体编码和星座组成原理来实现多于两个信道的分层调制。 版权所有(C)2012,JPO&INPIT

    Transmit spatial diversity for cellular single frequency networks
    46.
    发明专利
    Transmit spatial diversity for cellular single frequency networks 有权
    用于细胞单频网络的传输空间多样性

    公开(公告)号:JP2012170108A

    公开(公告)日:2012-09-06

    申请号:JP2012087383

    申请日:2012-04-06

    Abstract: PROBLEM TO BE SOLVED: To increase spectral efficiency of a cellular single frequency network using Multiple-In Multiple-Out (MIMO) techniques.SOLUTION: Multiple data streams, in one data stream per set of transmit antennas, are transmitted from multiple cells. A mapping of the streams to the antenna sets is permuted temporally. In this way, user equipment devices (UEs 140) at cell edges benefit from the MIMO, and UEs near cell centers benefit from a high carrier-to-interference (C/I) ratio of a signal. Each stream is concurrently transmitted on a base layer of a hierarchically modulated signal from one set, and on an enhancement layer of the hierarchically modulated signal from another set. A mapping of the sets to the streams is permuted temporally. The UEs at the cell edges benefit from the MIMO, and the UEs near the cell centers benefit from the high C/I to decode both streams from the base and enhancement layers.

    Abstract translation: 要解决的问题:使用多输入多输出(MIMO)技术提高蜂窝单频网络的频谱效率。 解决方案:在每组发射天线的一个数据流中,从多个小区发送多个数据流。 流到天线组的映射在时间上是置换的。 以这种方式,小区边缘处的用户设备设备(UE 140)从MIMO获益,并且小区中心附近的UE受益于信号的高载波干扰(C / I)比。 每个流在来自一组的层次调制信号的基本层上并且在来自另一组的分层调制信号的增强层上同时发送。 集合到流的映射在时间上是置换的。 小区边缘的UE受益于MIMO,并且小区中心附近的UE受益于高C / I以对来自基础层和增强层的两个流进行解码。 版权所有(C)2012,JPO&INPIT

    Enhanced mobility support for wireless communication
    47.
    发明专利
    Enhanced mobility support for wireless communication 有权
    增强无线通信的移动性支持

    公开(公告)号:JP2012114936A

    公开(公告)日:2012-06-14

    申请号:JP2012004636

    申请日:2012-01-13

    CPC classification number: H04W56/0045 H04W36/0055

    Abstract: PROBLEM TO BE SOLVED: To provide techniques for quickly and efficiently performing handover.SOLUTION: UE may maintain uplink synchronization with one or more non-serving cells in a candidate set, without having to maintain links with any of the non-serving cells. The UE may update uplink synchronization with the non-serving cells via an access procedure, e.g., send access probes to the non-serving cells and receive timing adjustments from these cells. One non-serving cell with which the UE has maintained uplink synchronization may be selected as a target cell for handover. The UE may then perform handover from the serving cell to the target cell, without performing uplink synchronization during the handover, which may improve handover latency and success rate.

    Abstract translation: 要解决的问题:提供快速有效地执行切换的技术。 解决方案:UE可以维护候选集中的一个或多个非服务小区的上行链路同步,而不必维护与任何非服务小区的链路。 UE可以经由接入过程来更新与非服务小区的上行链路同步,例如,向非服务小区发送接入探测,并从这些小区接收定时调整。 UE可以选择保持上行链路同步的一个非服务小区作为切换目标小区。 然后,UE可以执行从服务小区到目标小区的切换,而不需要在切换期间执行上行链路同步,这可以提高切换等待时间和成功率。 版权所有(C)2012,JPO&INPIT

    Method and apparatus for enhanced paging
    48.
    发明专利
    Method and apparatus for enhanced paging 有权
    用于增强寻呼的方法和装置

    公开(公告)号:JP2012075112A

    公开(公告)日:2012-04-12

    申请号:JP2011221083

    申请日:2011-10-05

    Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for efficiently paging user equipment (UE) in a wireless communication system.SOLUTION: The apparatus comprises: at least one processor configured to mask information with a paging identifier (ID) to obtain masked information, and to send the masked information to convey the information and to implicitly convey the paging indicator; and a memory coupled to the at least one processor. The at least one processor is configured to generate a cyclic redundancy check (CRC) value that is used as the information to be masked, to mask the CRC value with the paging ID to generate a masked CRC value, and to send the masked CRC value.

    Abstract translation: 解决的问题:提供一种在无线通信系统中有效地寻呼用户设备(UE)的方法和装置。 该装置包括:至少一个处理器,被配置为用寻呼标识符(ID)屏蔽信息以获得被屏蔽的信息,并发送掩蔽的信息以传达信息并隐含地传送寻呼指示符; 以及耦合到所述至少一个处理器的存储器。 所述至少一个处理器被配置为生成用作要屏蔽的信息的循环冗余校验(CRC)值,以用寻呼ID屏蔽CRC值以生成被屏蔽的CRC值,并且发送被掩蔽的CRC值 。 版权所有(C)2012,JPO&INPIT

    Method and apparatus for packet communications in wireless systems
    49.
    发明专利
    Method and apparatus for packet communications in wireless systems 审中-公开
    无线系统中分组通信的方法与装置

    公开(公告)号:JP2012039633A

    公开(公告)日:2012-02-23

    申请号:JP2011197217

    申请日:2011-09-09

    Abstract: PROBLEM TO BE SOLVED: To provide a data transmission/reception technique that achieves power savings for a wireless device and improves capacity for a wireless network.SOLUTION: The techniques utilize a Continuous Packet Connectivity (CPC) mode 240 comprised of multiple discontinuous transmission (DTX) modes 310, 312 and at least one discontinuous reception (DRX) mode 314. Each DTX mode 310, 312 is associated with different enabled uplink subframes usable for transmission from the wireless device to the network. Each DRX mode 314 is associated with different enabled downlink subframes usable by the network for transmission to the wireless device. The wireless device may send signaling and/or data on the enabled uplink subframes and may receive signaling and/or data on the enabled downlink subframes. The wireless device may power down during non-enabled subframes to conserve battery power. Mechanisms quickly transition between the DTX modes 310, 312 and DRX mode 314.

    Abstract translation: 要解决的问题:提供实现无线设备的功率节省并提高无线网络容量的数据发送/接收技术。 解决方案:该技术利用由多个不连续传输(DTX)模式310,312和至少一个不连续接收(DRX)模式314组成的连续分组连接(CPC)模式240.每个DTX模式310,312与 不同的使能的上行链路子帧可用于从无线设备到网络的传输。 每个DRX模式314与由网络可用于传输到无线设备的不同启用的下行链路子帧相关联。 无线设备可以在启用的上行链路子帧上发送信令和/或数据,并且可以在启用的下行链路子帧上接收信令和/或数据。 无线设备可能在未启用的子帧中掉电以节省电池电量。 机制在DTX模式310,312和DRX模式314之间快速转换。版权所有:(C)2012,JPO&INPIT

    Method and apparatus for data and pilot structure supporting equalization
    50.
    发明专利
    Method and apparatus for data and pilot structure supporting equalization 有权
    数据和引导结构支持均衡的方法和装置

    公开(公告)号:JP2011125024A

    公开(公告)日:2011-06-23

    申请号:JP2010278000

    申请日:2010-12-14

    Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for data and pilot structure supporting equalization. SOLUTION: Guard intervals are appended so that each data block has a guard interval at the beginning of the data block and a guard interval at the end of the data block. A pilot is appended to each aggregation in at least one data block. The data blocks, pilot, and guard intervals may be sent using various slot structures and are processed for transmission. Processing may include mapping the data blocks to at least one physical channel, channelizing the data blocks for each physical channel by using a channelization code, combining all physical channels, and scrambling the combined data, pilot, and guard intervals by using a scrambling code. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种支持均衡的数据和导频结构的方法和装置。

    解决方案:附加保护间隔,使得每个数据块在数据块的开头具有保护间隔,并在数据块的末尾具有保护间隔。 在至少一个数据块中的每个聚合附加导频。 数据块,导频和保护间隔可以使用各种时隙结构发送,并被处理以进行传输。 处理可以包括将数据块映射到至少一个物理信道,通过使用信道化码,组合所有物理信道,以及通过使用扰频码对组合的数据,导频和保护间隔进行加扰来对每个物理信道的数据块进行信道化。 版权所有(C)2011,JPO&INPIT

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