METHOD AND APPARATUSES FOR MAINTAINING UPLINK SYNCHRONIZATION AND REDUCING BATTERY POWER CONSUMPTION

    公开(公告)号:EP4057716A1

    公开(公告)日:2022-09-14

    申请号:EP22155811.7

    申请日:2007-03-22

    摘要: A Node-B sends a polling message to a wireless transmit/receive unit (WTRU). The WTRU sends an uplink synchronization burst in response to the polling message without contention. The Node-B estimates an uplink timing shift based on the synchronization burst and sends an uplink timing adjustment command to the WTRU. The WTRU then adjusts uplink timing based on the uplink timing adjustment command. Alternatively, the Node-B may send a scheduling message for uplink synchronization to the WTRU. The WTRU may send a synchronization burst based on the scheduling message. Alternatively, the WTRU may perform contention-based uplink synchronization after receiving a synchronization request from the Node-B. The WTRU may enter an idle state instead of performing a handover to a new cell when the WTRU moves to the new cell. A discontinuous reception (DRX) interval for the WTRU may be set based on activity of the WTRU.

    METHOD AND SYSTEM FOR ENHANCED BASIC SERVICE SET TRANSITION FOR A HIGH THROUGHPUT WIRELESS LOCAL AREA NETWORK
    8.
    发明公开
    METHOD AND SYSTEM FOR ENHANCED BASIC SERVICE SET TRANSITION FOR A HIGH THROUGHPUT WIRELESS LOCAL AREA NETWORK 审中-公开
    方法和系统ADVANCE基本服务集转换到其他高吞吐量局域网

    公开(公告)号:EP1997279A1

    公开(公告)日:2008-12-03

    申请号:EP07752271.2

    申请日:2007-03-02

    IPC分类号: H04L12/28 H04Q7/38

    摘要: A wireless local area network (WLAN) includes at least one high throughput-enabled access point (AP) and at least one high throughput-enabled station (STA). A STA and a target AP communicate high throughput-related information and the STA performs a basic service set (BSS) transition to the target AP based on the high throughput-related information. The high throughput-related information may be included in an IEEE 802.11r, 802.11k, or 802.11v signaling message. The STA may send measurement reports for an extended range and a normal range of an AP separately, or may send a combined measurement report for an extended range and a normal range of an AP. A network management entity may obtain current status information of the STA and the AP regarding high throughput capabilities, features and parameters and selectively enable and disable at least one of the high throughput capabilities, features and parameters of the STA and the AP.

    摘要翻译: 一种无线局域网(WLAN)包括至少一个支持高吞吐量的接入点(AP)和至少一个支持高吞吐量的站(STA)。 甲STA和目标AP传送关于高吞吐量的信息和STA执行的基本服务集(BSS)转换到基于高吞吐量的信息的目标AP。 高吞吐量的信息可以被包含在IEEE 802.11r标准,802.11k标准,或802.11v标准信令消息。 STA可以在扩展范围和AP的正常范围分别发送测量报告为,也可以在扩展范围和AP的正常范围发送组合测量报告。 网络管理实体可获得关于高吞吐量能力,特征和参数STA的当前状态信息和AP和选择性地启用和禁用的高吞吐量能力,特征和STA和AP的参数的至少一个。

    DYNAMIC RESOURCE ALLOCATION, SCHEDULING AND SIGNALING FOR VARIABLE DATA RATE SERVICE IN LTE

    公开(公告)号:EP3565360A1

    公开(公告)日:2019-11-06

    申请号:EP19182116.4

    申请日:2007-08-20

    IPC分类号: H04W72/12 H04L5/00 H04L1/18

    摘要: A method and apparatus are provided for dynamic resource allocation, scheduling and signaling for variable data real time services (RTS) in long term evolution (LTE) systems. Preferably, changes in data rate for uplink RTS traffic are reported to an evolved Node B (eNB) by a UE using layer 1, 2 or 3 signaling. The eNB dynamically allocates physical resources in response to a change in data rate by adding or removing radio blocks currently assigned to the data flow, and the eNB signals the new resource assignment to the UE. In an alternate embodiment, tables stored at the eNB and the UE describe mappings of RTS data rates to physical resources under certain channel conditions, such that the UE uses the table to locally assign physical resources according to changes in UL data rates. Additionally, a method and apparatus for high level configuration of RTS data flows is also presented.