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    • 1. 发明授权
    • Method and device for inter-cell interference coordination
    • 小区间干扰协调的方法和装置
    • US09351306B2
    • 2016-05-24
    • US13703832
    • 2011-06-22
    • Gang ShenQi JiangWu ZhengXiaobing Leng
    • Gang ShenQi JiangWu ZhengXiaobing Leng
    • H04W72/08H04W72/12
    • H04W72/082H04W72/1226H04W72/1289
    • To address the problem of inter-cell interference, the present invention proposes a method for inter-cell interference coordination and a device thereof. In one embodiment of the present invention, there is provided a method of coordinating radio resource in a base station of wireless communication network, comprising the steps of: S1 determining whether a UE is of interference risk; if the UE is of interference risk, then S2 determining key interference source base station(s) of the UE; S3, scheduling radio resource in collaboration with the key interference source base station(s), so that the key interference source base station(s) idle(s) the radio resource assigned to the UE by the base station. With the method and device provided in the present invention, effective avoidance of inter-cell interference may be achieved, and every cell may fully reuse resource to accomplish reuse gain, while UE backward compatibility may also be supported.
    • 为了解决小区间干扰的问题,本发明提出了一种小区间干扰协调的方法及其装置。 在本发明的一个实施例中,提供了一种协调无线通信网络基站中的无线电资源的方法,包括以下步骤:确定UE是否具有干扰风险; 如果UE具有干扰风险,则S2确定UE的密钥干扰源基站; S3,与密钥干扰源基站协作调度无线资源,使得关键的干扰源基站空闲由基站分配给UE的无线资源。 利用本发明提供的方法和装置,可以实现有效避免小区间干扰,并且每个小区可以完全重用资源来实现重用增益,同时也可以支持UE向后兼容性。
    • 2. 发明授权
    • Method and device for adjusting sleep mode of mobile station
    • 调整移动台睡眠模式的方法和装置
    • US09215658B2
    • 2015-12-15
    • US13201251
    • 2010-01-06
    • Wu ZhengJimin LiuGang ShenZhaojun XuXiaobing Leng
    • Wu ZhengJimin LiuGang ShenZhaojun XuXiaobing Leng
    • H04W52/02H04B7/26H04W84/04
    • H04W52/0225H04B7/2606H04W84/047Y02D70/1262Y02D70/1264Y02D70/146Y02D70/449
    • The present invention provides a method and a device for adjusting the sleep mode of a mobile station in order to solve the problem in current multi-hop relay systems of long time delays in data transmission caused when data packets have to wait for the next listening window to reach the mobile station because of packet errors. Wherein, a relay apparatus judges whether the previous hop network apparatus needs to retransmit data packets to the mobile station; when the previous hop network apparatus needs to retransmit data packets to the mobile station, the relay apparatus transmits to the mobile station the adjustment related information for adjusting the sleep mode of the mobile station. The mobile station adjusts the sleep mode according to the adjustment related information. Preferably, the adjustment related information comprises indicating information for indicating that the mobile station is in triggered listening status within predetermined time interval. In addition, the relay apparatus may also report the adjustment related information to the previous hop network apparatus. The technical solution provided by the present invention obtains shorter time delays, utilizes wireless resources efficiently, and decreases demand on relay apparatus.
    • 本发明提供一种用于调整移动台睡眠模式的方法和装置,以便解决当数据分组必须等待下一个监听窗口时所引起的数据传输长时间延迟的当前多跳中继系统中的问题 由于分组错误而到达移动台。 其中,中继装置判断前一跳网络装置是否需要向移动台重发数据分组; 当前一跳网络设备需要向移动台重传数据分组时,中继装置向移动台发送用于调整移动台睡眠模式的调整相关信息。 移动台根据调整相关信息来调整睡眠模式。 优选地,调整相关信息包括用于指示移动台在预定时间间隔内处于触发监听状态的指示信息。 此外,中继装置还可以向前一跳网络装置报告调整相关信息。 本发明提供的技术方案获得较短的时间延迟,有效利用无线资源,减少对中继装置的需求。
    • 3. 发明授权
    • Network access method and system for machine type communications
    • 网络接入方式和机器类型通信系统
    • US08953538B2
    • 2015-02-10
    • US13578172
    • 2010-02-12
    • Qun ZhaoWu ZhengJimin Liu
    • Qun ZhaoWu ZhengJimin Liu
    • H04W4/00H04W74/08H04W28/04H04W74/00
    • H04W74/08H04W4/70H04W74/004H04W74/006H04W74/0841
    • The present invention provides a network access method and system for Machine Type Communications (MTC), wherein the method comprises the following steps: an MTC device sends a preamble to a base station; the base station sends a Random Access Response (RAR) to the MTC device; if the RAR does not contain a temporary access resource assignment indication, the MTC device sends a Layer 2/Layer 3 message to the base station; otherwise, the MTC device re-attempts to perform network access; the base station sends a contention resolution message to the MTC device; if the contention resolution message contains a self-identification contained in the Layer 2/Layer 3 message sent by the MTC device, the network access is completed; if the contention resolution message contains the temporary access resource assignment indication, the MTC device re-attempts to perform the network access; otherwise, the MTC device attempts to perform the network access using the originally used access resource again. According to the present invention, it is enabled to dynamically and quickly perform assignment and release of MTC access resources based on actual access resource collisions, which thereby avoids waste of uplink resources in a semi-static configuration, reduces the possibility of collision, and protects normal access of non-MTC devices.
    • 本发明提供了一种用于机器类型通信(MTC)的网络接入方法和系统,其中所述方法包括以下步骤:MTC设备向基站发送前同步码; 基站向MTC设备发送随机接入响应(RAR); 如果RAR不包含临时接入资源分配指示,则MTC设备向基站发送第2层/第3层消息; 否则,MTC设备重新尝试执行网络接入; 基站向MTC设备发送争用解决消息; 如果争用解决消息包含由MTC设备发送的第2层/第3层消息中包含的自身标识,则完成网络访问; 如果竞争解决消息包含临时接入资源分配指示,则MTC设备重新尝试执行网络接入; 否则,MTC设备尝试再次使用最初使用的接入资源执行网络接入。 根据本发明,能够基于实际的接入资源冲突来动态地并且快速地执行MTC接入资源的分配和释放,从而避免了在半静态配置中浪费上行链路资源,减少了冲突的可能性,并且保护 非MTC设备的正常访问。
    • 6. 发明申请
    • METHOD, APPARATUS AND COMMUNICATION SYSTEM FOR REQUESTING RESOURCE
    • 方法,要求资源的装置和通信系统
    • US20110255502A1
    • 2011-10-20
    • US13142175
    • 2009-01-04
    • Gang ShenDongyao WangWu ZhengXiaobing Leng
    • Gang ShenDongyao WangWu ZhengXiaobing Leng
    • H04W72/04
    • H04W72/0406H04W72/042H04W72/1242H04W72/1278
    • The present invention discloses a method of requesting resource from a resource allocating apparatus by a request requesting apparatus, a resource allocating apparatus, a resource requesting apparatus and a communication system. The method comprises the following steps: sending a resource request message from the resource requesting apparatus to the resource allocating apparatus; after receiving the resource request message, if resource cannot be allocated within a set time interval with respect to the resource requesting apparatus, sending an acknowledgement for the resource request message from the resource allocating apparatus to the resource requesting apparatus; and if the resource is allocated to the resource requesting apparatus within the set time interval, not sending the acknowledgement for the resource request message from the resource allocating apparatus to the resource requesting apparatus. Utilizing the method and structure of the present invention, the resource allocating apparatus sends additional acknowledgement message only if needed, therefore overhead is reduced much more. Moreover, since the solution of the present invention does not change any signaling exchanged between the resource allocating apparatus and the resource requesting apparatus, it is able to meet the requirement of backward compatibility.
    • 本发明公开了一种通过请求请求装置,资源分配装置,资源请求装置和通信系统从资源分配装置请求资源的方法。 该方法包括以下步骤:将资源请求消息从资源请求装置发送到资源分配装置; 在资源请求消息接收到资源请求消息之后,如果在资源请求装置的设定时间间隔内不能分配资源,则从资源分配装置向资源请求装置发送资源请求消息的确认; 并且如果在所设定的时间间隔内资源被分配给资源请求装置,则不向资源请求装置发送资源请求消息的确认从资源分配装置。 利用本发明的方法和结构,资源分配装置仅在需要时发送附加的确认消息,因此开销大大降低。 此外,由于本发明的解决方案不改变在资源分配装置和资源请求装置之间交换的任何信令,所以能够满足向后兼容性的要求。
    • 8. 发明申请
    • Method for Acquiring Video Data by Using Camera Mobile Phone as Computer Camera
    • 通过使用相机手机作为计算机相机获取视频数据的方法
    • US20080151058A1
    • 2008-06-26
    • US11722947
    • 2005-07-19
    • Lian XuXiangdong LiuChao XuWu Zheng
    • Lian XuXiangdong LiuChao XuWu Zheng
    • H04N5/225
    • G06F3/005H04N1/00204H04N1/00307H04N5/23206H04N2201/0055H04N2201/0074
    • The present invention provides a method for acquiring video data by using a camera mobile phone as a computer camera, which comprises: step A: the camera mobile phone is virtualized as a video-capturing device in a computer; step B: the mobile phone virtualized as the video-capturing device in step A is selected as current video-capturing device of the computer; step C: the computer sends a command for acquiring video data to the mobile phone selected as the current video-capturing device, and said mobile phone acquires video data according to the received command and transmits to the computer via wireless connection; and step D: the computer receives the video data transmitted from the mobile phone. The invention can achieve a resource sharing between the mobile phone and the computer, make full use of their functions, save the interface resource of the computer and enable the mobile phone to break down the capacity limitation during the acquisition of video data.
    • 本发明提供了一种通过使用相机移动电话作为计算机照相机来获取视频数据的方法,包括:步骤A:相机移动电话被虚拟化为计算机中的视频捕获设备; 步骤B:将作为步骤A中的视频捕获设备虚拟化的手机选择为计算机的当前视频捕获设备; 步骤C:计算机向被选为当前视频捕获设备的手机发送用于获取视频数据的命令,并且所述移动电话根据接收到的命令获取视频数据,并通过无线连接发送到计算机; 步骤D:计算机接收从移动电话发送的视频数据。 本发明可以实现移动电话与计算机之间的资源共享,充分利用其功能,节省了计算机的接口资源,使手机能够在获取视频数据时分解容量限制。