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    • 81. 发明申请
    • Methods and Arrangements for Adapting Random Access Allocation of Resources to User Equipments
    • 适应用户设备资源随机访问分配的方法和布置
    • US20140079011A1
    • 2014-03-20
    • US14115572
    • 2011-05-05
    • Niclas WibergErik ErikssonJohan Rune
    • Niclas WibergErik ErikssonJohan Rune
    • H04W72/04
    • H04W72/0486H04W74/006H04W74/0833
    • The present disclosure relates to User Equipments, UEs or Machine Type Communication, MTC (104, 202, 302, 304, 700) devices and base stations (102, 204, 306, 600) and methods therein for adapting the allocating of random access resources to user equipments of a cell served by a base station. A method in a base station (102, 204, 306, 600) where each RA preamble group maps or corresponds to an uplink allocation size, comprises receiving a RA preamble from a UE in a cell served by the base station, the preamble indicating a requested resource allocation size for uplink transmission of UE data. Radio resource usage (S-348, 402) in the cell is monitored and a mapping between groups of RA preambles and uplink allocation sizes (S-356, 412) configured for the cell is adapted based on the monitored usage of radio resources. UEs or MTC devices are thus provided with an efficient means to have their UL allocation needs for transmission of user data in conjunction with step 3 of the Random Access procedure met.
    • 本公开涉及用户设备,UE或机器类型通信,MTC(104,202,302,304,700)设备和基站(102,204,306,600)及其中的方法,用于调整随机接入资源的分配 由基站服务的小区的用户设备。 基站(102,204,306,600)中的每个RA前导码组映射或对应于上行链路分配大小的方法包括从由基站服务的小区中的UE接收RA前导码,所述前导码指示 请求资源分配大小用于UE数据的上行传输。 监视小区中的无线资源使用(S-348,402),并且基于所监视的无线电资源的使用来调整为小区配置的RA前导码组和上行链路分配大小(S-356,412)的组之间的映射。 因此,UE或MTC设备被提供有一种有效的方式来结合随机访问过程的步骤3来满足用户数据传输的需求。
    • 84. 发明申请
    • Methods and Apparatus for Modified PHICH
    • 修改PHICH的方法和装置
    • US20130083740A1
    • 2013-04-04
    • US13499720
    • 2012-02-09
    • Erik ErikssonCheng Jung-FuDaniel Larsson
    • Erik ErikssonCheng Jung-FuDaniel Larsson
    • H04W72/04
    • H04L1/1861
    • Techniques provide additional Hybrid-ARQ indication resources for LTE TDD subframes that are normally without conventional LTE PHICH resources or that have too few LTE PHICH resources. In some embodiments, a modified PHICH is created using unused REGs in the control region of the downlink subframe. In others, a modified PHICH resides within the resources of an AL=1 PDCCH, and is formed using encoding and modulation processes that differ from normal PDCCH processing. In other embodiments, the PUSCH HARQ feedback bits are carried by a conventional LTE PDCCH, which is distinguished from other PDCCHs by scrambling it with a new type of RNTI: HARQ indicator Radio-network temporary identifier (HI-RNTI). In still other embodiments, the modulation symbols of PHICH are then placed on top of those normally reserved for PDCCHs. For such overlapped radio resources, the modulation symbols from the modified PHICH will replace those from normal PDCCHs for transmission.
    • 技术为通常不具有常规LTE PHICH资源或具有太少LTE PHICH资源的LTE TDD子帧提供额外的混合ARQ指示资源。 在一些实施例中,使用在下行链路子帧的控制区域中的未使用的REG来创建修改的PHICH。 在其他情况下,修改的PHICH驻留在AL = 1 PDCCH的资源内,并且使用与正常PDCCH处理不同的编码和调制过程来形成。 在其他实施例中,PUSCH HARQ反馈比特由常规LTE PDCCH携带,其通过用新型RNTI:HARQ指示符无线电网络临时标识符(HI-RNTI)对其进行加扰来与其他PDCCH区分开来。 在其他实施例中,PHICH的调制符号然后被放置在通常为PDCCH保留的那些之上。 对于这种重叠的无线电资源,来自修改的PHICH的调制符号将取代来自正常PDCCH的传输。
    • 85. 发明申请
    • Cellular Communication System Support for Limited Bandwidth Communication Devices
    • 蜂窝通信系统支持有限带宽通信设备
    • US20120327895A1
    • 2012-12-27
    • US13398787
    • 2012-02-16
    • Anders WallénBengt LindoffErik ErikssonJoakim AxmonLeif Wilhelmsson
    • Anders WallénBengt LindoffErik ErikssonJoakim AxmonLeif Wilhelmsson
    • H04W72/04
    • H04W48/12H04L5/0053H04L5/0091H04L5/0094
    • A communication system node transmits first control channel information on a control channel that extends over a first bandwidth of a radiofrequency resource. The first control channel information is necessary to enable a first type of communication device, capable of receiving a signal having the first bandwidth, to establish a connection with a host cell. A MIB, occupying a second bandwidth-size part of the first bandwidth, is transmitted. The second bandwidth is smaller than the first bandwidth and is receivable by a second type of communication device having reduced receive bandwidth capabilities. The MIB has a first part comprising first part information necessary to enable the first type of communication device to establish the connection with the host cell, and a second part comprising second part information directly or indirectly enabling the second type of communication device to obtain parameters that enable connection establishment with the host cell.
    • 通信系统节点在通过射频资源的第一带宽上延伸的控制信道上发送第一控制信道信息。 第一控制信道信息对于能够接收具有第一带宽的信号的第一类型的通信设备来建立与主机小区的连接是必需的。 占用第一带宽的第二带宽大小部分的MIB被发送。 第二带宽小于第一带宽,并且可以由具有降低的接收带宽能力的第二类型的通信设备接收。 MIB具有第一部分,其包括使得第一类型的通信设备能够建立与主机小区的连接所必需的第一部分信息,以及包括第二部分信息的第二部分直接或间接地使第二类型的通信设备获得参数, 启用与主机单元的连接建立。