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1. 发明授权

US09603101B2 Technique for operating a network node in a heterogeneously deployed network 有权
公开(公告)号：US09603101B2
公开(公告)日：2017-03-21
申请号：US14385954
申请日：2012-03-21
申请人： Stefan Parkvall , David Astely , Erik Dahlman , Pal Frenger
发明人： Stefan Parkvall , David Astely , Erik Dahlman , Pal Frenger
IPC分类号： H04W4/00 , H04W52/18 , H04W24/02 , H04W16/32 , H04W48/12 , H04W84/04
CPC分类号： H04W52/18 , H04W16/32 , H04W24/02 , H04W48/12 , H04W84/045
摘要： A technique for operating a network node in a heterogeneously deployed network comprising network nodes of different nominal transmit powers and at least partially overlapping coverage areas is described. A method implementation of this technique comprises a step of operating the network node in a base mode in which the network node is configured to transmit terminal-specific demodulation reference signals for a first set of terminal devices. The method comprises the further step of selectively activating or deactivating operation of the network node in a Single Frequency Network (SFN) mode in which the network node is configured to transmit, for a second set of terminal devices, the same cell-specific reference nodes as another network node of the heterogeneously deployed network that has a larger nominal transmit power.

2. 发明申请

US20150085769A1 TECHNIQUE FOR OPERATING A NETWORK NODE IN A HETEROGENEOUSLY DEPLOYED NETWORK 有权
标题翻译：在异构网络中操作网络节点的技术
公开(公告)号：US20150085769A1
公开(公告)日：2015-03-26
申请号：US14385954
申请日：2012-03-21
申请人： Stefan Parkvall , David Astely , Erik Dahlman , Pal Frenger
发明人： Stefan Parkvall , David Astely , Erik Dahlman , Pal Frenger
IPC分类号： H04W52/18
CPC分类号： H04W52/18 , H04W16/32 , H04W24/02 , H04W48/12 , H04W84/045
摘要： A technique for operating a network node in a heterogeneously deployed network comprising network nodes of different nominal transmit powers and at least partially overlapping coverage areas is described. A method implementation of this technique comprises a step of operating the network node in a base mode in which the network node is configured to transmit terminal-specific demodulation reference signals for a first set of terminal devices. The method comprises the further step of selectively activating or deactivating operation of the network node in a Single Frequency Network (SFN) mode in which the network node is configured to transmit, for a second set of terminal devices, the same cell-specific reference nodes as another network node of the heterogeneously deployed network that has a larger nominal transmit power.
摘要翻译：描述了在包括具有不同标称发射功率和至少部分重叠覆盖区域的网络节点的异构部署网络中操作网络节点的技术。该技术的方法实现包括以基本模式操作网络节点的步骤，其中网络节点被配置为发送用于第一组终端设备的终端特定解调参考信号。该方法包括以单频网络（SFN）模式选择性地激活或去激活网络节点的操作的步骤，其中网络节点被配置为针对第二组终端设备向相同的小区特定参考节点作为具有较大额定发射功率的异构部署网络的另一网络节点。

3. 发明申请

US20080318588A1 Resource Scheduling in a Cellular System 有权
标题翻译：蜂窝系统中的资源调度
公开(公告)号：US20080318588A1
公开(公告)日：2008-12-25
申请号：US12158480
申请日：2005-12-20
申请人： Stefan Parkvall , Pal Frenger , Erik Dahlman , Jonas Pettersson
发明人： Stefan Parkvall , Pal Frenger , Erik Dahlman , Jonas Pettersson
IPC分类号： H04Q7/20 , H04Q7/38
CPC分类号： H04W16/06 , H04W52/10 , H04W52/241 , H04W52/246 , H04W52/367 , H04W72/0426 , H04W72/082 , H04W84/042
摘要： The invention relates to a method for scheduling resources for uplink transmissions in a radio access network comprising access points which own pre-assigned resources. The invention also relates to an access point (5-7), a user terminal (1-4) and an access point controller 8. Characteristic features of the invention are that each AP places its resources to the disposition of other APs in the access network, and that an AP (7) transmits a blocking signal (BLOCK R3) if it does not allow a UT (3), which is served by an AP (5) in another cell, to use its resources (R3). A UT that detects a blocking signal from an AP that owns the resources on which the UT is transmitting immediately stops transmission on said resources. The signal quality of a detected blocking signal may be used for setting the transmission power on the resources the UT has borrowed from the AP which transmits the blocking signal. Based on statistics on the APs which transmit blocking signals long-term pre-allocation of resources among the APs is made.
摘要翻译：本发明涉及一种用于在包括具有预分配资源的接入点的无线电接入网络中调度用于上行链路传输的资源的方法。本发明还涉及接入点（5-7），用户终端（1-4）和接入点控制器8.本发明的特征是每个AP将其资源放置在接入中的其他AP的配置并且如果AP（7）不允许由另一小区中的AP（5）服务的UT（3）使用其资源（R3），则AP（7）发送阻塞信号（BLOCK R3）。检测来自拥有UT发送的资源的AP的阻塞信号的UT立即停止在所述资源上的传输。检测到的阻塞信号的信号质量可以用于设置UT从发送阻塞信号的AP借用的资源上的发送功率。基于传输阻塞信号的AP的统计数据，进行了AP间的资源长期预分配。

4. 发明申请

US20090258639A1 Method, system and device for providing a robust wireless connection 审中-公开
标题翻译：用于提供鲁棒无线连接的方法，系统和设备
公开(公告)号：US20090258639A1
公开(公告)日：2009-10-15
申请号：US10583452
申请日：2004-12-02
申请人： Johan Nyström , Pal Frenger , Erik Dahlman , Stefan Parkvall
发明人： Johan Nyström , Pal Frenger , Erik Dahlman , Stefan Parkvall
IPC分类号： H04W40/00
CPC分类号： H04W76/15 , H04B7/2606 , H04W76/14 , H04W88/04
摘要： A system and a method for wireless linking in a cellular communication system are disclosed such that a mobile station is maintained in simultaneous communication with at least a first node and a second node for access to the cellular communication system. Information going to and from the first node is not identical to the information going to and from the second node. In one embodiment the second node, or secondary access point is a relay node forwarding received information to and from the first node, or primary access point. In another embodiment the second node is another mobile station performing a direct mobile-to-mobile communication (MS-to-MS). In still an embodiment a first wireless link to the first node is for control information only. In still a further embodiment a second wireless link to the second node is only for communication of information from the mobile station or only for communication of information to the mobile station.
摘要翻译：公开了一种用于蜂窝通信系统中的无线链接的系统和方法，使得移动台与至少第一节点和第二节点保持同时通信以访问蜂窝通信系统。进出第一个节点的信息与进入第二个节点的信息不同。在一个实施例中，第二节点或辅助接入点是将接收的信息转发到第一节点或主接入点的中继节点。在另一个实施例中，第二节点是执行直接移动到移动通信（MS到MS）的另一个移动站。在另一实施例中，到第一节点的第一无线链路仅用于控制信息。在又一个实施例中，到第二节点的第二无线链路仅用于来自移动台的信息的通信，或仅用于向移动台通信信息。

5. 发明申请

US20150156781A1 FORWARDING HARQ FEEDBACK CONSIDERING LATENCY OVER AVAILABLE CHANNELS 有权
标题翻译：前瞻性的HARQ反馈考虑到可用信道的延迟
公开(公告)号：US20150156781A1
公开(公告)日：2015-06-04
申请号：US14412142
申请日：2012-07-04
申请人： Erik Dahlman , David Astely , Stefan Parkvall
发明人： Erik Dahlman , David Astely , Stefan Parkvall
IPC分类号： H04W72/08 , H04W72/04
CPC分类号： H04W72/08 , H04L47/2466 , H04W40/12 , H04W72/0406
摘要： It is presented a method performed in a first network node. The method comprises the steps of: receiving an uplink transmission from a mobile communication terminal; determining, based on content of the uplink transmission, information to be transmitted over a first communication channel when the content comprises control data intended for a second network node; transmitting the information over the first communication channel to the second network node when the information is to be transmitted over the first communication channel; and transmitting the information via a second communication channel, the second communication channel being physically separate from the first communication channel, when the information is not to be transmitted over the first communication channel. A corresponding network node is also presented.
摘要翻译：呈现在第一网络节点中执行的方法。该方法包括以下步骤：从移动通信终端接收上行链路传输; 当所述内容包括用于第二网络节点的控制数据时，基于所述上行链路传输的内容，确定要在第一通信信道上发送的信息; 当要在第一通信信道上发送信息时，将第一通信信道上的信息发送到第二网络节点; 以及当所述信息不通过所述第一通信信道发送时，经由第二通信信道发送所述信息，所述第二通信信道与所述第一通信信道物理上分离。还提出了相应的网络节点。

6. 发明授权

US08559343B2 Flexible subframes 有权
标题翻译：灵活的子框架
公开(公告)号：US08559343B2
公开(公告)日：2013-10-15
申请号：US12816821
申请日：2010-06-16
申请人： Stefan Parkvall , David Astely , Erik Dahlman , Johan Nyström , Muhammad Imadur Rahman , Yngve Selén , Johan Sköld
发明人： Stefan Parkvall , David Astely , Erik Dahlman , Johan Nyström , Muhammad Imadur Rahman , Yngve Selén , Johan Sköld
IPC分类号： H04J3/00 , H04W4/00
CPC分类号： H04W72/0446 , H04B7/2643 , H04B7/2656 , H04L5/14 , H04W72/0406
摘要： The technology disclosed provides the ability for a subframe to be configured as a “flexible” subframe. As a result, at least three different types of subframes in a TDD system may be configured: a downlink (“DL”) subframe, an uplink (“UL”) subframe, and a “flexible” subframe. While the DL and UL subframes are preconfigured for each frame instance, the flexible subframes are dynamically allocated to be an uplink subframe in one instance of a frame and a downlink subframe in another instance of the frame.
摘要翻译：所公开的技术提供了将子帧配置为“灵活”子帧的能力。结果，可以配置TDD系统中的至少三种不同类型的子帧：下行链路（“DL”）子帧，上行链路（“UL”）子帧和“灵活”子帧。虽然对于每个帧实例预先配置了DL和UL子帧，但是在帧的另一个实例中，灵活子帧被动态地分配为帧的一个实例中的上行链路子帧和下行链路子帧。

7. 发明授权

US08351319B2 Information on reference signal structure for neighboring cell measurements 有权
标题翻译：关于相邻小区测量的参考信号结构的信息
公开(公告)号：US08351319B2
公开(公告)日：2013-01-08
申请号：US12595304
申请日：2008-04-03
申请人： Stefan Parkvall , David Astely , Erik Dahlman
发明人： Stefan Parkvall , David Astely , Erik Dahlman
IPC分类号： H04J11/00
CPC分类号： H04L5/005 , H04L5/0023 , H04L5/0094 , H04L25/0206 , H04L27/2613 , H04W24/02 , H04W48/12 , H04W48/20 , H04W72/005 , H04W72/042 , H04W88/08
摘要： The present invention relates to cellular radio communication and in particular to providing information on neighbor cells to enable terminals to perform neighbor cell measurements. In the prior art the terminal attempts to make neighbor cell measurements in a reference signal structure that is the same in the neighbor cell as in the cell the terminal camps in. The present invention is based on the insight that the reference signal structure may differ between neighboring cell for example in the situation of an MBSFN area that is restricted to a region of all cells of a radio network, or in the situation of TDD mode being applied there may be different regions with different allocation of sub-frames for transmission in the uplink and downlink directions. The present invention solves the problem by broadcast information in a cell indicative of the reference signal structure in neighbor cells.
摘要翻译：蜂窝无线电通信技术领域本发明涉及蜂窝无线电通信，特别涉及提供关于相邻小区的信息以使得终端能够执行相邻小区测量。在现有技术中，终端尝试在相邻小区中与终端驻留的小区中相同的参考信号结构中进行相邻小区测量。本发明基于以下认识：参考信号结构可以在例如在限于无线网络的所有小区的区域的MBSFN区域的情况下，或者在应用TDD模式的情况下，可能存在具有不同的子帧分配的不同区域，用于在上下行方向。本发明通过表示相邻小区中的参考信号结构的小区中的广播信息来解决该问题。

8. 发明授权

US09949273B2 Forwarding HARQ feedback considering latency over available channels 有权
公开(公告)号：US09949273B2
公开(公告)日：2018-04-17
申请号：US14412142
申请日：2012-07-04
申请人： Erik Dahlman , David Astely , Stefan Parkvall
发明人： Erik Dahlman , David Astely , Stefan Parkvall
IPC分类号： H04W4/00 , H04W72/08 , H04W40/12 , H04W72/04 , H04L12/855
CPC分类号： H04W72/08 , H04L47/2466 , H04W40/12 , H04W72/0406
摘要： It is presented a method performed in a first network node. The method comprises the steps of: receiving an uplink transmission from a mobile communication terminal; determining, based on content of the uplink transmission, information to be transmitted over a first communication channel when the content comprises control data intended for a second network node; transmitting the information over the first communication channel to the second network node when the information is to be transmitted over the first communication channel; and transmitting the information via a second communication channel, the second communication channel being physically separate from the first communication channel, when the information is not to be transmitted over the first communication channel. A corresponding network node is also presented.

9. 发明授权

US08744468B2 Soft cell inter-layer interference handling 有权
标题翻译：软细胞层间干扰处理
公开(公告)号：US08744468B2
公开(公告)日：2014-06-03
申请号：US13640337
申请日：2012-07-30
申请人： Stefan Parkvall , David Astely , Erik Dahlman , David Hammarwall , Bengt Lindoff , Stefano Sorrentino , Leif Wilhelmsson
发明人： Stefan Parkvall , David Astely , Erik Dahlman , David Hammarwall , Bengt Lindoff , Stefano Sorrentino , Leif Wilhelmsson
IPC分类号： H04W72/04
CPC分类号： H04W72/1231 , H04W52/143 , H04W52/244 , H04W72/0446 , Y02D70/00
摘要： In a heterogeneous cell deployment a mobile terminal may need to receive control data transmissions from a macro node at the same time as a pico node is transmitting user data for the mobile terminal, using the same frequency or set of frequencies. This can result in a problematic interference situation. According to several embodiments of the present invention, at least one of two general approaches is used to mitigate the interference situation described above. In a first approach, the pico node's transmission power is reduced in some time intervals, thereby reducing the interference to a level where reception from the macro node is possible. In a second approach, which may be combined with the first approach in some cases, the data transmitted from the macro node is provided by the pico node, either alone or in combination with the macro node.
摘要翻译：在异构小区部署中，移动终端可能需要在微微节点正在使用相同的频率或频率集合为移动终端发送用户数据的同时从宏节点接收控制数据传输。这可能导致有问题的干扰情况。根据本发明的几个实施例，使用两种一般方法中的至少一种来减轻上述干扰情况。在第一种方法中，微微节点的传输功率在一些时间间隔内减小，从而将干扰降低到可能从宏节点接收的水平。在一些可能与第一种方法组合的第二种方法中，从宏节点发送的数据由微微节点单独提供，或与宏节点组合。

10. 发明申请

US20110103338A1 Method and Devices for Providing Enhanced Signaling 有权
标题翻译：提供增强信令的方法和设备
公开(公告)号：US20110103338A1
公开(公告)日：2011-05-05
申请号：US12990404
申请日：2008-02-05
申请人： David Astely , Erik Dahlman , Ylva Jading , Stefan Parkvall
发明人： David Astely , Erik Dahlman , Ylva Jading , Stefan Parkvall
IPC分类号： H04W72/04
CPC分类号： H04W4/20 , H04J11/0069 , H04L5/0007 , H04L5/0053
摘要： Methods and devices for introducing enhanced signals into a wireless environment. The enhanced signals provide for functionality that is not specified in a communication standard corresponding to a standard of a legacy terminal. The enhanced signals can be utilized by a non-legacy terminal. The legacy terminal is incapable of processing the enhanced signals and is unable to detect the presence of the enhanced signals.
摘要翻译：将增强信号引入无线环境的方法和设备。增强信号提供在对应于传统终端的标准的通信标准中未指定的功能。增强信号可以由非传统终端利用。遗留终端不能处理增强的信号，并且不能检测出增强的信号的存在。

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