Reduction of handover latencies in a wireless communication system
    3.
    发明授权
    Reduction of handover latencies in a wireless communication system 有权
    减少无线通信系统中的切换延迟

    公开(公告)号:US07962139B2

    公开(公告)日:2011-06-14

    申请号:US11765995

    申请日:2007-06-20

    IPC分类号: H04Q1/00

    CPC分类号: H04W36/165

    摘要: Systems and methods for reduction of handover latencies in wireless communication systems are described herein. Some illustrative embodiments include a wireless mobile communication device that includes a wireless transceiver including a transmitter configured to transmit a first signal synchronized for reception by a first cellular node, and processing logic that couples to the wireless transceiver. Before the wireless transceiver receives a handover command the processing logic causes the transmitter to transmit a second signal for reception by a second cellular node to request allocation of an upload resource for communication with the second cellular node as part of an impending handover.

    摘要翻译: 本文描述了用于减少无线通信系统中的切换延迟的系统和方法。 一些说明性实施例包括无线移动通信设备,其包括无线收发器,所述无线收发器包括被配置为发送由第一蜂窝节点同步接收的第一信号的发射机和耦合到无线收发器的处理逻辑。 在无线收发器接收到切换命令之前,处理逻辑使得发射机发送第二信号以供第二蜂窝节点接收,以请求分配用于与第二蜂窝节点进行通信的上载资源,作为即将来临的切换的一部分。

    Uplink synchronization management in wireless networks
    4.
    发明授权
    Uplink synchronization management in wireless networks 有权
    无线网络上行同步管理

    公开(公告)号:US08711765B2

    公开(公告)日:2014-04-29

    申请号:US11858860

    申请日:2007-09-20

    IPC分类号: H04J3/00 H04J3/06 H04W36/00

    摘要: In at least some embodiments, a wireless networking system is provided. The wireless networking system includes a base-station and a plurality of user devices in communication with the base-station. The base-station selectively assigns each user device to one of a first group and a second group. Also, the base-station selectively assigns each user device to an uplink synchronized state and an uplink non-synchronized state. The base-station allocates a unique reduced identifier to each user device in the uplink synchronized state, but does not allocate unique reduced identifiers to user devices in the non-synchronized state.

    摘要翻译: 在至少一些实施例中,提供无线联网系统。 无线联网系统包括与基站通信的基站和多个用户设备。 基站选择性地将每个用户设备分配给第一组和第二组中的一个。 此外,基站选择性地将每个用户设备分配给上行链路同步状态和上行链路非同步状态。 基站在上行同步状态下向每个用户设备分配唯一的缩减标识符,但是在非同步状态的用户设备中不分配唯一的缩减标识符。

    Preamble Group Selection in Random Access of Wireless Networks
    5.
    发明申请
    Preamble Group Selection in Random Access of Wireless Networks 有权
    无线网络随机接入中的前导码组选择

    公开(公告)号:US20120163231A1

    公开(公告)日:2012-06-28

    申请号:US13413450

    申请日:2012-03-06

    IPC分类号: H04W24/00 H04W72/04

    摘要: A transport block size (TBS) of a first uplink message (RACH Msg3) transmitted on a Physical Uplink Shared Channel (PUSCH) during a random access procedure in a User Equipment (UE) accessing a radio access network may be determined by receiving a pathloss threshold parameter. A downlink pathloss value indicative of radio link conditions between the UE and a base station (eNB) serving the UE is then determined. A smaller value of TBS is selected from a set of TBS values if the determined pathloss value is greater than an operating power level of the UE minus the pathloss threshold parameter. A larger value of TBS is selected if the pathloss value is less than the operating power level of the UE minus the pathloss threshold parameter and the TBS required to transmit the RACH Msg3 exceeds the smaller TBS value.

    摘要翻译: 在访问无线电接入网络的用户设备(UE)中的随机接入过程期间在物理上行链路共享信道(PUSCH)上发送的第一上行链路消息(RACH Msg3)的传输块大小(TBS)可以通过接收路径损耗来确定 阈值参数。 然后确定表示UE和服务于UE的基站(eNB)之间的无线电链路状况的下行链路路径损耗值。 如果确定的路径损耗值大于UE的工作功率级别减去路径损耗阈值参数,则从一组TBS值中选择较小的TBS值。 如果路径损耗值小于UE的工作功率级别减去路径损耗阈值参数,并且发送RACH Msg3所需的TBS超过较小的TBS值,则选择较大的TBS值。

    Preamble group selection in random access of wireless networks
    6.
    发明授权
    Preamble group selection in random access of wireless networks 有权
    无线网络随机接入中的前导组选择

    公开(公告)号:US08130667B2

    公开(公告)日:2012-03-06

    申请号:US12563281

    申请日:2009-09-21

    IPC分类号: H04L12/28 H04W4/00

    摘要: A transport block size (TBS) of a first uplink message (RACH Msg3) transmitted on a Physical Uplink Shared Channel (PUSCH) during a random access procedure in a User Equipment (UE) accessing a radio access network may be determined by receiving a pathloss threshold parameter. A downlink pathloss value indicative of radio link conditions between the UE and a base station (eNB) serving the UE is then determined. A smaller value of TBS is selected from a set of TBS values if the determined pathloss value is greater than an operating power level of the UE minus the pathloss threshold parameter. A larger value of TBS is selected if the pathloss value is less than the operating power level of the UE minus the pathloss threshold parameter and the TBS required to transmit the RACH Msg3 exceeds the smaller TBS value.

    摘要翻译: 在访问无线电接入网络的用户设备(UE)中的随机接入过程期间在物理上行链路共享信道(PUSCH)上发送的第一上行链路消息(RACH Msg3)的传输块大小(TBS)可以通过接收路径损耗来确定 阈值参数。 然后确定表示UE和服务于UE的基站(eNB)之间的无线电链路状况的下行链路路径损耗值。 如果确定的路径损耗值大于UE的工作功率级别减去路径损耗阈值参数,则从一组TBS值中选择较小的TBS值。 如果路径损耗值小于UE的工作功率级别减去路径损耗阈值参数,并且发送RACH Msg3所需的TBS超过较小的TBS值,则选择较大的TBS值。

    Preamble Group Selection in Random Access of Wireless Networks
    7.
    发明申请
    Preamble Group Selection in Random Access of Wireless Networks 有权
    无线网络随机接入中的前导码组选择

    公开(公告)号:US20100074130A1

    公开(公告)日:2010-03-25

    申请号:US12563281

    申请日:2009-09-21

    IPC分类号: H04J1/16 H04W4/00

    摘要: A transport block size (TBS) of a first uplink message (RACH Msg3) transmitted on a Physical Uplink Shared Channel (PUSCH) during a random access procedure in a User Equipment (UE) accessing a radio access network may be determined by receiving a pathloss threshold parameter. A downlink pathloss value indicative of radio link conditions between the UE and a base station (eNB) serving the UE is then determined. A smaller value of TBS is selected from a set of TBS values if the determined pathloss value is greater than an operating power level of the UE minus the pathloss threshold parameter. A larger value of TBS is selected if the pathloss value is less than the operating power level of the UE minus the pathloss threshold parameter and the TBS required to transmit the RACH Msg3 exceeds the smaller TBS value.

    摘要翻译: 在访问无线电接入网络的用户设备(UE)中的随机接入过程期间在物理上行链路共享信道(PUSCH)上发送的第一上行链路消息(RACH Msg3)的传输块大小(TBS)可以通过接收路径损耗来确定 阈值参数。 然后确定表示UE和服务于UE的基站(eNB)之间的无线电链路状况的下行链路路径损耗值。 如果确定的路径损耗值大于UE的工作功率级别减去路径损耗阈值参数,则从一组TBS值中选择较小的TBS值。 如果路径损耗值小于UE的工作功率级别减去路径损耗阈值参数,并且发送RACH Msg3所需的TBS超过较小的TBS值,则选择较大的TBS值。

    Pre-Synchronization Method for Hard Handovers in Wireless Networks
    8.
    发明申请
    Pre-Synchronization Method for Hard Handovers in Wireless Networks 有权
    无线网络硬切换的预同步方法

    公开(公告)号:US20080267131A1

    公开(公告)日:2008-10-30

    申请号:US12112422

    申请日:2008-04-30

    IPC分类号: H04Q7/00 H04J3/06

    CPC分类号: H04W36/0072

    摘要: A pre-synchronization method in which the source cell chooses a signature for the user equipment (mobile) to use in the target cell for RACH access, and instructs the user equipment to perform RACH access and return to the current cell before a handover command (break command) is issued. This causes parallel execution of the UL synchronization process with the context transfer process among the two base stations.

    摘要翻译: 一种预同步方法,其中所述源小区为所述用户设备(移动)选择用于所述目标小区中的用于RACH接入的签名,并且指示所述用户设备执行RACH接入并在切换命令之前返回到所述当前小区( break命令)。 这导致了两个基站之间的上下文传送过程的UL同步过程的并行执行。

    Preamble group selection in random access of wireless networks
    9.
    发明授权
    Preamble group selection in random access of wireless networks 有权
    无线网络随机接入中的前导组选择

    公开(公告)号:US08792377B2

    公开(公告)日:2014-07-29

    申请号:US13413450

    申请日:2012-03-06

    IPC分类号: H04L12/26 H04W4/00

    摘要: A transport block size (TBS) of a first uplink message (RACH Msg3) transmitted on a Physical Uplink Shared Channel (PUSCH) during a random access procedure in a User Equipment (UE) accessing a radio access network may be determined by receiving a pathloss threshold parameter. A downlink pathloss value indicative of radio link conditions between the UE and a base station (eNB) serving the UE is then determined. A smaller value of TBS is selected from a set of TBS values if the determined pathloss value is greater than an operating power level of the UE minus the pathloss threshold parameter. A larger value of TBS is selected if the pathloss value is less than the operating power level of the UE minus the pathloss threshold parameter and the TBS required to transmit the RACH Msg3 exceeds the smaller TBS value.

    摘要翻译: 在访问无线电接入网络的用户设备(UE)中的随机接入过程期间在物理上行链路共享信道(PUSCH)上发送的第一上行链路消息(RACH Msg3)的传输块大小(TBS)可以通过接收路径损耗来确定 阈值参数。 然后确定表示UE和服务于UE的基站(eNB)之间的无线电链路状况的下行链路路径损耗值。 如果确定的路径损耗值大于UE的工作功率级别减去路径损耗阈值参数,则从一组TBS值中选择较小的TBS值。 如果路径损耗值小于UE的工作功率级别减去路径损耗阈值参数,并且发送RACH Msg3所需的TBS超过较小的TBS值,则选择较大的TBS值。

    Pre-synchronization method for hard handovers in wireless networks
    10.
    发明授权
    Pre-synchronization method for hard handovers in wireless networks 有权
    无线网络中硬切换的预同步方法

    公开(公告)号:US08218500B2

    公开(公告)日:2012-07-10

    申请号:US12112422

    申请日:2008-04-30

    IPC分类号: H04W36/00

    CPC分类号: H04W36/0072

    摘要: A pre-synchronization method in which the source cell chooses a signature for the user equipment (mobile) to use in the target cell for RACH access, and instructs the user equipment to perform RACH access and return to the current cell before a handover command (break command) is issued. This causes parallel execution of the UL synchronization process with the context transfer process among the two base stations.

    摘要翻译: 一种预同步方法,其中所述源小区为所述用户设备(移动)选择用于所述目标小区中的用于RACH接入的签名,并且指示所述用户设备执行RACH接入并在切换命令之前返回到所述当前小区( break命令)。 这导致了两个基站之间的上下文传送过程的UL同步过程的并行执行。