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公开(公告)号：US10104684B2
公开(公告)日：2018-10-16
申请号：US15666847
申请日：2017-08-02
Applicant: Optis Cellular Technology, LLC
Inventor： Dong Youn Seo , Eun Sun Kim , Bong Hoe Kim , Joon Kui Ahn
Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. A resource block pair includes a first resource block associated with a first time slot and a second resource block associated with a second time slot adjacent to the first time slot. The first and second resource blocks are allocated to the same frequency indices. A mapping between VRB pairs and PRB pairs exists such that frequency consecutive VRB pairs are mapped to non-frequency consecutive PRB pairs and that each resource block pair is split so there is a frequency gap between the first and second parts of the resource block pair.
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2.发明授权Method and apparatus for indicating allocation of distributed communication resources 有权用于指示分布式通信资源分配的方法和装置公开(公告)号：US09497772B2
公开(公告)日：2016-11-15
申请号：US14985610
申请日：2015-12-31
Applicant: Optis Cellular Technology, LLC
Inventor： Dong Youn Seo , Eun Sun Kim , Bong Hoe Kim , Joon Kui Ahn
CPC classification number: H04W72/1268 , H04L1/0071 , H04L1/04 , H04L5/0007 , H04L5/0028 , H04L5/0039 , H04L5/0041 , H04L5/0044 , H04L5/006 , H04L5/0064 , H04L5/0085 , H04L5/0092 , H04W72/042 , H04W72/0446 , H04W72/1273 , H04W88/02 , H04W88/08
Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE includes data processing circuitry coupled to a receiver that receives downlink control information including resource allocation information for the downlink data from a base station and to receive the downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the user equipment. Each resource block corresponds to one time slot. A resource block pair includes a first resource block associated with a first time slot and a second resource block associated with a second time slot adjacent to the first time slot. The first and second resource blocks are allocated to the same frequency indices. A mapping relationship between VRB pairs and PRB pairs exists such that frequency consecutive VRB pairs are mapped to non-frequency consecutive PRB pairs and that each resource block pair is split so there is a frequency gap between the first and second parts of the resource block pair. The resource allocation information indicates the frequency gap size is one of a first value and a second different value.
Abstract translation: 用户设备（UE）使用无线移动通信系统中的资源块接收下行链路数据。 UE包括耦合到接收机的数据处理电路，其接收包括来自基站的下行链路数据的资源分配信息的下行链路控制信息，并且基于下行链路控制信息接收映射到物理资源块（PRB）的下行链路数据。 资源分配信息表示用户设备的虚拟资源块（VRB）分配。 每个资源块对应于一个时隙。 资源块对包括与第一时隙相关联的第一资源块和与第一时隙相邻的第二时隙相关联的第二资源块。 第一和第二资源块被分配给相同的频率索引。 存在VRB对和PRB对之间的映射关系，使得频率连续的VRB对被映射到非频率连续的PRB对，并且每个资源块对被分离，从而在资源块对的第一和第二部分之间存在频率间隙 。 资源分配信息表示频率间隙大小是第一值和第二不同值之一。
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公开(公告)号：US09451605B2
公开(公告)日：2016-09-20
申请号：US14250145
申请日：2014-04-10
Applicant: Optis Cellular Technology, LLC
Inventor： Dae Won Lee , Ki Jun Kim , Dong Wook Roh , Yu Jin Noh , Joon Kui Ahn , Jung Hoon Lee
CPC classification number: H04W72/042 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L27/2626 , H04L27/2647 , H04L27/2656 , H04L27/2666 , H04W24/08 , H04W48/12 , H04W88/02 , H04W88/08
Abstract: A method for efficiently transmitting and receiving control information through a Physical Downlink Control Channel (PDCCH) is provided. When a User Equipment (UE) receives control information through a PDCCH, the received control information is set to be decoded in units of search spaces, each having a specific start position in the specific subframe. Here, a modulo operation according to a predetermined first constant value (D) is performed on an input value to calculate a first result value, and a modulo operation according to a predetermined first variable value (C) corresponding to the number of candidate start positions that can be used as the specific start position is performed on the calculated first result value to calculate a second result value and an index position corresponding to the second result value is used as the specific start position. Transmitting control information in this manner enables a plurality of UEs to efficiently receive PDCCHs without collisions.
Abstract translation: 提供了一种通过物理下行链路控制信道（PDCCH）高效地发送和接收控制信息的方法。 当用户设备（UE）通过PDCCH接收到控制信息时，所接收的控制信息被设置为以搜索空间为单位进行解码，每个搜索空间在特定子帧中具有特定的开始位置。 这里，对输入值执行根据预定的第一常数值（D）的模运算以计算第一结果值，并且根据与候选开始位置的数量相对应的预定的第一可变值（C）进行模运算 对计算出的第一结果值执行可用作特定开始位置的计算第二结果值，并将与第二结果值对应的索引位置用作特定开始位置。 以这种方式发送控制信息使得多个UE能够有效地接收PDCCH而不发生冲突。
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公开(公告)号：US09100159B2
公开(公告)日：2015-08-04
申请号：US14592980
申请日：2015-01-09
Applicant: OPTIS CELLULAR TECHNOLOGY, LLC
Inventor： Joon Kui Ahn , Dae Won Lee , Young Woo Yun , Ki Jun Kim
CPC classification number: H04L5/0055 , H04L1/1812 , H04L5/14 , H04L12/1868 , H04L12/52 , H04W72/0406
Abstract: A method of performing HARQ performed by a user equipment (UE) is provided. The method includes receiving a bundling indicator which indicates the number of bundled downlink subframes, determining whether at least one bundled downlink subframe is missed by comparing the bundling indicator with the number of detected bundled downlink subframes, generating a representative ACK/NACK signal when no bundled downlink subframe is missed, and transmitting the representative ACK/NACK signal on an uplink channel. Recovery capability is maximized and the packet loss is reduced in such a situation that less number of ACK/NACK signals are fed back than that of downlink packets.
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5.发明授权Method for effectively transmitting control signal in wireless communication system 有权无线通信系统中有效发送控制信号的方法公开(公告)号：US08935587B2
公开(公告)日：2015-01-13
申请号：US14029516
申请日：2013-09-17
Applicant: Optis Cellular Technology, LLC
Inventor： Joon Kui Ahn , Dae Won Lee , Young Woo Yun , Ki Jun Kim
CPC classification number: H04L5/0055 , H04L1/1812 , H04L5/14 , H04L12/1868 , H04L12/52 , H04W72/0406
Abstract: A method of performing HARQ performed by a user equipment (UE) is provided. The method includes receiving a bundling indicator which indicates the number of bundled downlink subframes, determining whether at least one bundled downlink subframe is missed by comparing the bundling indicator with the number of detected bundled downlink subframes, generating a representative ACK/NACK signal when no bundled downlink subframe is missed, and transmitting the representative ACK/NACK signal on an uplink channel. Recovery capability is maximized and the packet loss is reduced in such a situation that less number of ACK/NACK signals are fed back than that of downlink packets.
Abstract translation: 提供了一种执行由用户设备（UE）执行的HARQ的方法。 该方法包括：接收指示捆绑的下行链路子帧的数量的捆绑指示符，通过将捆绑指示符与检测到的捆绑的下行链路子帧的数量进行比较来确定是否错过了至少一个捆绑的下行链路子帧，当没有捆绑时生成代表性的ACK / NACK信号 丢失下行链路子帧，并在上行链路信道上发送代表性的ACK / NACK信号。 在使得ACK / NACK信号的数量少于下行链路分组的情况下，恢复能力最大化并且分组丢失减少。
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Patent Agency Ranking
公开(公告)号：US20140219224A1
公开(公告)日：2014-08-07
申请号：US14250145
申请日：2014-04-10
Applicant: Optis Cellular Technology, LLC
Inventor： Dae Won LEE , Ki Jun Kim , Dong Wook Roh , Yu Jin Noh , Joon Kui Ahn , Jung Hoon Lee
IPC: H04W72/04
CPC classification number: H04W72/042 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L27/2626 , H04L27/2647 , H04L27/2656 , H04L27/2666 , H04W24/08 , H04W48/12 , H04W88/02 , H04W88/08
Abstract: A method for efficiently transmitting and receiving control information through a Physical Downlink Control Channel (PDCCH) is provided. When a User Equipment (UE) receives control information through a PDCCH, the received control information is set to be decoded in units of search spaces, each having a specific start position in the specific subframe. Here, a modulo operation according to a predetermined first constant value (D) is performed on an input value to calculate a first result value, and a modulo operation according to a predetermined first variable value (C) corresponding to the number of candidate start positions that can be used as the specific start position is performed on the calculated first result value to calculate a second result value and an index position corresponding to the second result value is used as the specific start position. Transmitting control information in this manner enables a plurality of UEs to efficiently receive PDCCHs without collisions.
Abstract translation: 提供了一种通过物理下行链路控制信道（PDCCH）高效地发送和接收控制信息的方法。 当用户设备（UE）通过PDCCH接收到控制信息时，所接收的控制信息被设置为以搜索空间为单位进行解码，每个搜索空间在特定子帧中具有特定的开始位置。 这里，对输入值执行根据预定的第一常数值（D）的模运算以计算第一结果值，并且根据与候选开始位置的数量相对应的预定的第一可变值（C）进行模运算 对计算出的第一结果值执行可用作特定开始位置的计算第二结果值，并将与第二结果值对应的索引位置用作特定开始位置。 以这种方式发送控制信息使得多个UE能够有效地接收PDCCH而不发生冲突。
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公开(公告)号：US11032814B2
公开(公告)日：2021-06-08
申请号：US16827892
申请日：2020-03-24
Applicant: Optis Cellular Technology, LLC
Inventor： Dae Won Lee , Ki Jun Kim , Dong Wook Roh , Yu Jin Noh , Joon Kui Ahn , Jung Hoon Lee
Abstract: A User Equipment (UE) monitors a set of Physical Downlink Control Channel (PDCCH) candidates for control information received from a base station at subframe k. The set of PDCCH candidates to monitor are defined in terms of search spaces. The UE monitors a UE-specific search space, among the search spaces, at each of aggregation levels (L) of 1, 2, 4 and 8 control channel elements (CCEs), the CCE being a resource unit comprising a specific number of resource elements and used for transmission of the control information. The L CCEs correspond to a first PDCCH candidate among the set of PDCCH candidates of the search space at a subframe k are located at positions given by: L*{(Yk)mod(floor(C))}+i, wherein i−0, . . . , L−1, where Yk is defined by: Yk−(A*Yk−1+B) mod D. The variable C is determined based on the number of CCEs (NCCE) divided by the aggregation level (L), and A, B, and D are predetermined constant values predetermined regardless of the aggregation levels L. The UE decodes the control information of the PDCCH.
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公开(公告)号：US20210136796A1
公开(公告)日：2021-05-06
申请号：US17146583
申请日：2021-01-12
Applicant: Optis Cellular Technology, LLC
Inventor： Dong Youn Seo , Eun Sun Kim , Bong Hoe Kim , Joon Kui Ahn
Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. Indexes of the PRBs to which the downlink data are mapped are determined based on a mapping relationship between virtual resource blocks (VRBs) and the PRBs. The mapping relationship is defined based on indexes of the VRBs which are mapped to the indexes of the PRBs for a first slot of a subframe and a second slot of the subframe. The indexes of the PRBs for the second slot are shifted with respect to the indexes of the PRBs for the first slot based on a predetermined gap. The mapping relationship includes a transformation of VRB indexes based on a matrix.
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公开(公告)号：US10917906B2
公开(公告)日：2021-02-09
申请号：US16835690
申请日：2020-03-31
Applicant: Optis Cellular Technology, LLC
Inventor： Dong Youn Seo , Eun Sun Kim , Bong Hoe Kim , Joon Kui Ahn
Abstract: A user equipment (UE) receives downlink data using resource blocks in a wireless mobile communication system. The UE receives downlink control information including resource allocation information and downlink data mapped to physical resource blocks (PRBs) based on the downlink control information. The resource allocation information indicates virtual resource block (VRB) allocations for the UE. Indexes of the PRBs to which the downlink data are mapped are determined based on a mapping relationship between virtual resource blocks (VRBs) and the PRBs. The mapping relationship is defined based on indexes of the VRBs which are mapped to the indexes of the PRBs for a first slot of a subframe and a second slot of the subframe. The indexes of the PRBs for the second slot are shifted with respect to the indexes of the PRBs for the first slot based on a predetermined gap. The mapping relationship includes a transformation of VRB indexes based on a matrix.
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公开(公告)号：US09814033B2
公开(公告)日：2017-11-07
申请号：US15262298
申请日：2016-09-12
Applicant: Optis Cellular Technology, LLC
Inventor： Dae Won Lee , Ki Jun Kim , Dong Wook Roh , Yu Jin Noh , Joon Kui Ahn , Jung Hoon Lee
CPC classification number: H04W72/042 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L27/2626 , H04L27/2647 , H04L27/2656 , H04L27/2666 , H04W24/08 , H04W48/12 , H04W88/02 , H04W88/08
Abstract: A method for efficiently transmitting and receiving control information through a Physical Downlink Control Channel (PDCCH) is provided. When a User Equipment (UE) receives control information through a PDCCH, the received control information is set to be decoded in units of search spaces, each having a specific start position in the specific subframe. Here, a modulo operation according to a predetermined first constant value (D) is performed on an input value to calculate a first result value, and a modulo operation according to a predetermined first variable value (C) corresponding to the number of candidate start positions that can be used as the specific start position is performed on the calculated first result value to calculate a second result value and an index position corresponding to the second result value is used as the specific start position. Transmitting control information in this manner enables a plurality of UEs to efficiently receive PDCCHs without collisions.
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