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    • 13. 发明申请
    • ACTIVATION OF MULTIPLE BEARER SERVICES IN A LONG TERM EVOLUTION SYSTEM
    • 在长期演进系统中启动多个承载服务
    • WO2008008145A2
    • 2008-01-17
    • PCT/US2007013665
    • 2007-06-11
    • INTERDIGITAL TECH CORPSHAHEEN KAMEL M
    • SHAHEEN KAMEL M
    • H04W76/025H04L67/14H04W76/022
    • The present invention is related to a method of activating multiple bearer services in a long term evolution (LTE) wireless communication system including multiple bearers. At least one of the multiple bearers is activated during initial attach procedures which combine an attach procedure with activate packet data protocol (PDP) context activation procedures. In one embodiment, LTE attach procedures are implemented for multi-bearer services activation that establishes an LTE direct general packet radio service (GPRS) tunneling protocol (GTP) tunnel or normal GTP two-tunnels operation. In another embodiment, the initial attach procedures are used to activate a default PDP context to be followed by modified PDP context activation procedures for multi-bearer services activation. These procedures can be used to establish a modified LTE direct GTP tunnel or a normal GTP two-tunnels operation.
    • 本发明涉及一种在包括多个承载的长期演进(LTE)无线通信系统中激活多承载业务的方法。 在初始附接过程中激活多个承载中的至少一个,其将附接过程与激活分组数据协议(PDP)上下文激活过程相结合。 在一个实施例中,针对建立LTE直接通用分组无线业务(GPRS)隧道协议(GTP)隧道或普通GTP双隧道操作的多承载业务激活实现LTE附着过程。 在另一个实施例中,初始附接过程用于激活用于多承载服务激活的修改的PDP上下文激活过程要遵循的默认PDP上下文。 这些程序可用于建立修改的LTE直接GTP隧道或正常的GTP双隧道操作。
    • 16. 发明申请
    • METHOD AND APPARATUS FOR SUPPORTING HANDOFF IN AN LTE GTP BASED WIRELESS COMMUNICATION SYSTEM
    • 支持基于GTP的无线通信系统中的切换方法和装置
    • WO2007103369A2
    • 2007-09-13
    • PCT/US2007005689
    • 2007-03-05
    • INTERDIGITAL TECH CORPSHAHEEN KAMEL M
    • SHAHEEN KAMEL M
    • H04W36/10H04W36/12H04W92/04H04W92/14
    • H04W36/12H04W36/10H04W92/045H04W92/14
    • A single general packet radio service (GPRS) tunneling protocol (GTP) tunnel is established between an evolved Node B (ENB) and an access gateway (AGW) in a long term evolution (LTE) based wireless communication system. When ENB relocation is required, a new mobility management entity (MME)/user plane entity (UPE) sends a relocation request message to a target ENB indicating a tunnel endpoint identity (TEID) of the AGW, the identification number of a wireless transmit/receive unit (WTRU) and the packet data protocol (PDP) address of the WTRU. The new MME/UPE sends an update PDP context request message to the AGW indicating the target ENB TEID. The AGW updates a binding of the target ENB TEID with the WTRU PDP address and the identification number. A new tunnel is established between the target ENB and the AGW, and an old tunnel between the source ENB and the AGW is released. Both inter-location area (LA) and intra-LA handover scenarios are addressed.
    • 在基于长期演进(LTE)的无线通信系统中,在演进的节点B(ENB)和接入网关(AGW)之间建立单一的通用分组无线电业务(GPRS)隧道协议(GTP)隧道。 当需要ENB重新定位时,新的移动性管理实体(MME)/用户平面实体(UPE)向指示AGW的隧道端点标识(TEID)的目标ENB发送重定位请求消息,无线发射/ 接收单元(WTRU)和WTRU的分组数据协议(PDP)地址。 新的MME / UPE向AGW发送更新PDP上下文请求消息,指示目标ENB TEID。 AGW更新目标ENB TEID与WTRU PDP地址和标识号的绑定。 目标ENB和AGW之间建立了一条新隧道,并且释放了源ENB和AGW之间的旧隧道。 解决了位置间区域(LA)和LA内切换场景。