发明名称 Enhanced polling method for preventing deadlock in a wireless communications system
摘要 A method of polling in a wireless communications system includes prohibiting polling within a first predetermined period and triggering a poll function while polling is prohibited. After the first predetermined period has expired the method determines that there are no protocol data units (PDUs) scheduled for transmission or re-transmission and that there is at least a transmitted PDU that is not acknowledged yet, and selects a PDU to schedule for re-transmission to fulfill the poll function.
申请公布号 US9497779(B2) 申请公布日期 2016.11.15
申请号 US200812032703 申请日期 2008.02.18
申请人 INNOVATIVE SONIC LIMITED 发明人 Jiang Sam Shiaw-Shiang
分类号 H04J3/16;H04W74/06;H04L1/16;H04L1/18 主分类号 H04J3/16
代理机构 Blue Capital Law Firm, P.C. 代理人 Blue Capital Law Firm, P.C.
主权项 1. A method of polling in a wireless communications system that employs protocol data units (PDUs) and service data units (SDUs), the method comprising: prohibiting polling before Timer_Poll_Prohibit expires; triggering a poll function while polling is prohibited; after Timer_Poll_Prohibit expires, if there is no PDU scheduled for transmission or re-transmission and if there is at least a transmitted PDU that is not acknowledged yet, selecting a PDU to schedule for re-transmission to fulfill the poll function; and after Timer_Poll_Prohibit expires, if there is no PDU scheduled for transmission or re-transmission and if there is no transmitted PDU that is not acknowledged yet, no PDU is selected to fulfill the poll function.
地址 Ebene MU