Method and apparatus for seamless handover in a wireless communication network
    1.
    发明授权
    Method and apparatus for seamless handover in a wireless communication network 有权
    无线通信网络中无缝切换的方法和装置

    公开(公告)号:US08265628B2

    公开(公告)日:2012-09-11

    申请号:US12596692

    申请日:2008-04-23

    IPC分类号: H04Q7/20

    CPC分类号: H04L1/1841 H04W36/02

    摘要: In a wireless communication network where base stations receive protocol data units (PDUs) from mobile stations for decompression and deciphering for ordered, sequential transfer as service data units (SDUs) to an associated core network, the teachings presented herein provide a method of supporting seamless handover of a mobile station from a source base station to a target base station. By way of example, the teachings herein apply to a network based on the E-UTRA specifications, as promulgated by the 3GPP. However, that example is non-limiting, as the teachings herein apply to any network that employs in-sequence data delivery and duplicate data detection at handover. Broadly, the source base station forwards out-of-sequence SDUs and corresponding sequence number information to the target base station in support of seamless handover, and the target base station uses that information to request retransmissions as needed for packet reordering.

    摘要翻译: 在无线通信网络中,其中基站从移动台接收用于解压缩和解密的协议数据单元(PDU),用于有序的顺序传送作为服务数据单元(SDU)到相关联的核心网络,本文给出的教导提供了一种支持无缝 将移动台从源基站切换到目标基站。 作为示例,本文的教导适用于由3GPP公布的基于E-UTRA规范的网络。 然而,该示例是非限制性的,因为本文的教导适用于在切换时采用顺序数据传递和重复数据检测的任何网络。 广泛地说,源基站将无序SDU和相应的序列号信息转发给目标基站以支持无缝切换,目标基站使用该信息来根据需要重新分组以重新分组。

    Method and Apparatus for Seamless Handover in a Wireless Communication Network
    2.
    发明申请
    Method and Apparatus for Seamless Handover in a Wireless Communication Network 有权
    无线通信网络中无缝切换的方法和装置

    公开(公告)号:US20120300748A1

    公开(公告)日:2012-11-29

    申请号:US13567173

    申请日:2012-08-06

    IPC分类号: H04W36/00

    摘要: In a wireless communication network where base stations receive protocol data units (PDUs) from mobile stations for decompression and deciphering for ordered, sequential transfer as service data units (SDUs) to an associated core network, the teachings presented herein provide a method of supporting seamless handover of a mobile station from a source base station to a target base station. By way of example, the teachings herein apply to a network based on the E-UTRA specifications, as promulgated by the 3GPP. However, that example is non-limiting, as the teachings herein apply to any network that employs in-sequence data delivery and duplicate data detection at handover. Broadly, the source base station forwards out-of-sequence SDUs and corresponding sequence number information to the target base station in support of seamless handover, and the target base station uses that information to request retransmissions as needed for packet reordering.

    摘要翻译: 在无线通信网络中,其中基站从移动台接收用于解压缩和解密的协议数据单元(PDU),用于有序的顺序传送作为服务数据单元(SDU)到相关联的核心网络,本文给出的教导提供了一种支持无缝 将移动台从源基站切换到目标基站。 作为示例,本文的教导适用于由3GPP公布的基于E-UTRA规范的网络。 然而,该示例是非限制性的,因为本文的教导适用于在切换时采用顺序数据传递和重复数据检测的任何网络。 广泛地说,源基站将无序SDU和相应的序列号信息转发给目标基站以支持无缝切换,目标基站使用该信息来根据需要重新分组以重新分组。

    Method and arrangement in a telecommunication system
    3.
    发明授权
    Method and arrangement in a telecommunication system 有权
    电信系统中的方法和布置

    公开(公告)号:US08488551B2

    公开(公告)日:2013-07-16

    申请号:US12865605

    申请日:2008-12-16

    IPC分类号: H04W4/00

    摘要: A method for sending buffer status information includes checking if a quality of service (QoS) parameter is defined for a first logical channel and at least one condition of the set of predetermined conditions associated with a logical channel group is fulfilled. If the QoS parameter is defined and at least one condition of the set is fulfilled, the method includes setting a number of bits in a media access control header according to a first semantic. The bits carry buffer status information, and the first semantic—is based on the QoS parameter of the first logical channel. Otherwise, the method includes setting the number of bits carrying the buffer status information according to a second semantic that is based on an amount of data available for transmission across the logical channel group.

    摘要翻译: 用于发送缓冲器状态信息的方法包括检查是否为第一逻辑信道定义了服务质量(QoS)参数,并且满足与逻辑信道组相关联的一组预定条件的至少一个条件。 如果定义了QoS参数并且满足了集合的至少一个条件,则该方法包括根据第一语义来设置媒体访问控制报头中的位数。 这些比特携带缓冲器状态信息,第一个语义是基于第一个逻辑信道的QoS参数。 否则,该方法包括根据基于可用于通过逻辑信道组进行传输的数据量的第二语义来设置携带缓冲器状态信息的位数。

    METHOD AND ARRANGEMENT IN A TELECOMMUNICATION SYSTEM
    4.
    发明申请
    METHOD AND ARRANGEMENT IN A TELECOMMUNICATION SYSTEM 有权
    电信系统中的方法和布置

    公开(公告)号:US20100322098A1

    公开(公告)日:2010-12-23

    申请号:US12865605

    申请日:2008-12-16

    IPC分类号: H04L12/26

    摘要: A method for sending buffer status information includes checking if a quality of service (QoS) parameter is defined for a first logical channel and at least one condition of a set of predetermined conditions associated with a logical channel group is fulfilled. If the QoS parameter is defined and at least one condition of the set is fulfilled, the method includes setting a number of bits in a media access control header according to a first semantic. The bits carry buffer status information, and the first semantic is based on the QoS parameter of the first logical channel. Otherwise, the method includes setting the number of bits carrying the buffer status information according to a second semantic that is based on an amount of data available for transmission across the logical channel group.

    摘要翻译: 用于发送缓冲器状态信息的方法包括检查是否为第一逻辑信道定义了服务质量(QoS)参数,并且满足与逻辑信道组相关联的一组预定条件的至少一个条件。 如果定义了QoS参数并且满足了集合的至少一个条件,则该方法包括根据第一语义来设置媒体访问控制报头中的位数。 这些比特携带缓冲器状态信息,第一个语义是基于第一个逻辑信道的QoS参数。 否则,该方法包括根据基于可用于通过逻辑信道组进行传输的数据量的第二语义来设置携带缓冲器状态信息的位数。

    Buffer Status Reporting Based on Radio Bearer Configuration
    5.
    发明申请
    Buffer Status Reporting Based on Radio Bearer Configuration 有权
    基于无线承载配置的缓存状态报告

    公开(公告)号:US20100329135A1

    公开(公告)日:2010-12-30

    申请号:US12740846

    申请日:2008-10-30

    IPC分类号: H04L12/26

    CPC分类号: H04W72/1284

    摘要: The present invention relates to wireless communication systems, and more particularly to a method and an apparatus for periodically reporting the buffer status in a wireless communication system. Methods and arrangements for an improved buffer status reporting taking the type of radio bearer configuration into account is provided. This is achieved according to an embodiment of the present invention by taking the type of radio bearer configuration into account when determining the content of the buffer status report sent by the UE to the eNodeB.

    摘要翻译: 本发明涉及无线通信系统,更具体地说,涉及一种用于在无线通信系统中周期性地报告缓冲器状态的方法和装置。 提供了考虑到无线电承载配置类型的改进的缓冲器状态报告的方法和布置。 这是根据本发明的实施例,通过在确定UE发送给eNodeB的缓冲状态报告的内容时考虑无线电承载配置的类型来实现的。

    Buffer status reporting based on radio bearer configuration
    6.
    发明授权
    Buffer status reporting based on radio bearer configuration 有权
    基于无线承载配置的缓冲状态报告

    公开(公告)号:US08437257B2

    公开(公告)日:2013-05-07

    申请号:US12740846

    申请日:2008-10-30

    IPC分类号: H04J3/14

    CPC分类号: H04W72/1284

    摘要: The present invention relates to wireless communication systems, and more particularly to a method and an apparatus for periodically reporting the buffer status in a wireless communication system. Methods and arrangements for an improved buffer status reporting taking the type of radio bearer configuration into account is provided. This is achieved according to an embodiment of the present invention by taking the type of radio bearer configuration into account when determining the content of the buffer status report sent by the UE to the eNodeB.

    摘要翻译: 本发明涉及无线通信系统,更具体地说,涉及一种用于在无线通信系统中周期性地报告缓冲器状态的方法和装置。 提供了考虑到无线电承载配置类型的改进的缓冲器状态报告的方法和布置。 这是根据本发明的实施例,通过在确定UE发送给eNodeB的缓冲状态报告的内容时考虑无线电承载配置的类型来实现的。

    Methods and arrangements in radio communication systems
    7.
    发明授权
    Methods and arrangements in radio communication systems 有权
    无线电通信系统中的方法和布置

    公开(公告)号:US09137765B2

    公开(公告)日:2015-09-15

    申请号:US13025893

    申请日:2011-02-11

    IPC分类号: H04J3/06 H04W56/00

    CPC分类号: H04W56/0005 H04W56/0045

    摘要: Methods and arrangements for adjusting timing of transmissions in a radio communication system in which aggregation of component carriers is employed are disclosed. A base station sends a first TA command applicable to a first component carrier to a user equipment. A need to maintain different uplink transmission timing for the first user equipment component carrier and second uplink component carrier is detected by the base station. The base station then sends a second TA command based on the detected need to maintain different uplink transmission timing. The second TA command is applicable to uplink transmissions on the first component carrier and/or the second component carrier. The user equipment adjusts uplink transmissions on the first component carrier and/or the second uplink component carrier based on the second timing advance command.

    摘要翻译: 公开了在采用分量载波的聚合的无线电通信系统中调整发送定时的方法和装置。 基站向用户设备发送适用于第一分量载波的第一TA命令。 由基站检测到对于第一用户设备分量载波和第二上行链路分量载波维持不同的上行链路传输定时的需要。 基站然后基于检测到的维持不同上行链路传输定时的需要发送第二TA命令。 第二TA命令适用于第一分量载波和/或第二分量载波上的上行链路传输。 用户设备基于第二定时提前命令来调整第一分量载波和/或第二上行链路分量载波上的上行链路传输。

    METHOD AND ARRANGEMENT FOR ALIGNMENT OF PROTOCOL DATA UNITS IN A WIRELESS COMMUNICATION SYSTEM
    8.
    发明申请
    METHOD AND ARRANGEMENT FOR ALIGNMENT OF PROTOCOL DATA UNITS IN A WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中协议数据单元对齐的方法和布置

    公开(公告)号:US20100046405A1

    公开(公告)日:2010-02-25

    申请号:US12519261

    申请日:2007-11-09

    IPC分类号: H04B7/00

    摘要: The present invention relates to a method and arrangement for communicating a Protocol Data Unit (PDU) between a transmitter unit and a receiver unit in a wireless communication network. Said PDU comprising protocol headers associated with at least a first and a second protocol layers involved in the communication and a payload to be communicated. The method comprises the step of interacting between the at least first and second protocol layers, such that the sum of the bits of the protocol headers is n-bit aligned such as octet aligned independently of non-alignment of at least one of the protocol headers comprised in the PDU.

    摘要翻译: 本发明涉及用于在无线通信网络中的发射机单元和接收机单元之间传送协议数据单元(PDU)的方法和装置。 所述PDU包括与所述通信中涉及的至少第一和第二协议层相关联的协议报头以及要传送的有效载荷。 该方法包括在至少第一和第二协议层之间进行交互的步骤,使得协议报头的比特之和被n位对齐,例如八位字节排列,独立于至少一个协议报头的不对齐 包含在PDU中。

    Method and arrangement for alignment of protocol data units in a wireless communication system
    9.
    发明授权
    Method and arrangement for alignment of protocol data units in a wireless communication system 有权
    无线通信系统中协议数据单元对准的方法和装置

    公开(公告)号:US08311062B2

    公开(公告)日:2012-11-13

    申请号:US12519261

    申请日:2007-11-09

    IPC分类号: H04J3/24

    摘要: The present invention relates to a method and arrangement for communicating a Protocol Data Unit (PDU) between a transmitter unit and a receiver unit in a wireless communication network. Said PDU comprising protocol headers associated with at least a first and a second protocol layers involved in the communication and a payload to be communicated. The method comprises the step of interacting between the at least first and second protocol layers, such that the sum of the bits of the protocol headers is n-bit aligned such as octet aligned independently of non-alignment of at least one of the protocol headers comprised in the PDU.

    摘要翻译: 本发明涉及用于在无线通信网络中的发射机单元和接收机单元之间传送协议数据单元(PDU)的方法和装置。 所述PDU包括与所述通信中涉及的至少第一和第二协议层相关联的协议报头以及要传送的有效载荷。 该方法包括在至少第一和第二协议层之间进行交互的步骤,使得协议报头的比特之和被n位对齐,例如八位字节排列,独立于至少一个协议报头的不对齐 包含在PDU中。

    HARDQ SYNCHRONIZATION METHOD FOR LTE
    10.
    发明申请
    HARDQ SYNCHRONIZATION METHOD FOR LTE 有权
    LTE的HARDQ同步方法

    公开(公告)号:US20100077272A1

    公开(公告)日:2010-03-25

    申请号:US12444915

    申请日:2007-10-09

    IPC分类号: H04L1/18

    摘要: A method and apparatus according to the present invention addresses and/or prevents lost protocol synchronization in HARQ systems caused by ACK/NACK errors. One embodiment detects lost synchronization errors for NDI-based retransmission protocols and restores synchronization by sending an explicit RESET message. In response to the RESET message, the transmitter aborts the transmission of a current PDU and transmits a new PDU and corresponding NDI. Another embodiment prevents protocol synchronization errors by sending scheduling grants on a packet by packet basis. The receiver sends a subsequent explicit scheduling grant to the transmitter based on an error evaluation of a received PDU. The transmitter will not send the next PDU unless it receives the subsequent explicit scheduling grant.

    摘要翻译: 根据本发明的方法和装置解决和/或防止由ACK / NACK错误引起的HARQ系统中丢失的协议同步。 一个实施例检测基于NDI的重传协议的丢失的同步错误,并通过发送显式的RESET消息来恢复同步。 响应于RESET消息,发射机中止当前PDU的传输,并发送新的PDU和相应的NDI。 另一个实施例通过逐个分组地发送调度许可来防止协议同步错误。 接收机基于接收到的PDU的错误评估向发射机发送后续的显式调度许可。 发送器将不发送下一个PDU,除非它接收到后续的显式调度许可。