Patents by Inventor Kanchei Loa
Kanchei Loa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130294432Abstract: A direct-mode communication system comprises a first client direct-mode communication apparatus and a backhaul network. The first client direct-mode communication apparatus transmits a register signal to the backhaul network to register with the backhaul network. After the first client direct-mode communication apparatus is registered, the backhaul network determines a location relationship between the first client direct-mode communication apparatus and a second client direct-mode communication apparatus, and transmits a wi-fi connection signal to the first client direct-mode communication apparatus according to the location relationship. The first client direct-mode communication apparatus creates a wi-fi direct-mode communication connection with the second client direct-mode communication apparatus according to the wi-fi connection signal.Type: ApplicationFiled: May 2, 2013Publication date: November 7, 2013Applicant: Institute For Information IndustryInventors: Yi-Hsueh TSAI, Hsien-Tsung HSU, Kanchei Loa, Yi-Ting LIN
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Publication number: 20130294433Abstract: A direct-mode communication system includes a first client direct-mode communication apparatus and a first backhaul network. The first client direct-mode communication apparatus transmits a proximity notification request to a second backhaul network via the first backhaul network so that the second backhaul network returns a proximity notification acknowledgement (ACK) signal. The first backhaul network receives a piece of first client location information and a piece of second client location information from the first direct-mode communication apparatus and the second backhaul network respectively, and determines a location relationship accordingly. The first backhaul network transmits a Wi-Fi connection signal to the first client direct-mode communication apparatus according to the location relationship. The first client direct-mode communication apparatus establishes a direct-mode communication connection with a second client direct-mode communication apparatus according to the Wi-Fi connection signal.Type: ApplicationFiled: May 2, 2013Publication date: November 7, 2013Applicant: Institute For Information IndustryInventors: Hsien-Tsung HSU, Yi-Hsueh TSAI, Kanchei Loa, Yi-Ting LIN
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EVOLVED PACKET CORE LESS DIRECT MODE COMMUNICATION SYSTEM AND COMMUNICATION ATTACHING METHOD THEREOF
Publication number: 20130294437Abstract: An evolved packet core less direct-mode communication system and a communication attaching method thereof are provided. The evolved packet core less direct-mode communication system comprises a client direct-mode communication apparatus and a server direct-mode communication apparatus. The server direct-mode communication apparatus transmits a synchronization signal to the client direct-mode communication apparatus. The client direct-mode communication apparatus synchronizes to the server direct-mode communication apparatus according to the synchronization signal and establishes a communication connection with the evolved packet core less direct-mode communication system after synchronization.Type: ApplicationFiled: May 2, 2013Publication date: November 7, 2013Applicant: Institute For Information IndustryInventors: Yi-Hsueh TSAI, Kanchei Loa, Yi-Ting LIN -
Patent number: 8509214Abstract: A relay station and a backhaul connection method thereof are provided. The relay station adopts an NAS mechanism. A wireless communication system comprises the relay station, a base station, and a core network. The relay station comprises a processing unit and a transceiver. The processing unit enters a first state of the NAS mechanism after the relay station creates a radio connection with the core network. The transceiver transmits a backhaul connection request to the base station after the relay station enters the first state. The processing unit then enters a second state of the NAS mechanism after the transmission of the backhaul connection request. The transceiver then receives a backhaul connection response from the base station after the transmission of the backhaul connection request. The processing unit then enters the first state after the receipt of the backhaul connection response.Type: GrantFiled: June 23, 2010Date of Patent: August 13, 2013Assignee: Institute for Information IndustryInventors: Shu-Tsz Liu, Chih-Chiang Wu, Kanchei Loa
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Patent number: 8509798Abstract: A cooperative apparatus and a resource block allocation method thereof for use in a wireless network are provided. The wireless network comprises a plurality of femtocells. The cooperative apparatus groups the femtocells based on signal interferences between the femtocells. The femtocells with higher signal interferences are joined to the same femtocell group. The cooperative apparatus averagely allocates resource blocks to the femtocells in the same femtocell group, and randomly allocates resource blocks to different femtocell groups.Type: GrantFiled: November 7, 2011Date of Patent: August 13, 2013Assignee: Institute for Information IndustryInventors: Hsuan-Li Lin, Yu-Shen Chou, Shu-Tsz Liu, Kanchei Loa
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Patent number: 8442049Abstract: A base station and an attaching method thereof are provided. A relay network system comprises the base station, a relay station and a core network. The base station is connected with the core network via a backhaul link. The base station comprises a processing unit and a transceiver. The processing unit is configured to setup a communication link procedure between the relay station and the core network corresponding to a link request from the relay station, and to create a mapping table for connecting the relay station and the core network. The transceiver is configured to forward network packets and control signals between the relay station and the core network based on the mapping table.Type: GrantFiled: June 23, 2010Date of Patent: May 14, 2013Assignee: Institute for Information IndustryInventors: Shu-Tsz Liu, Chih-Chiang Wu, Kanchei Loa
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Patent number: 8400967Abstract: An evolved NodeB eNB, a first relay node (RN) and a connection initialization method thereof for use in a long term evolution (LTE) network are provided. The LTE network comprises the eNB, the first RN, a second RN and a mobility management entity (MME). In the LTE network of the present invention, various multi-hop protocols can be achieved by using different identification mapping implementations.Type: GrantFiled: August 18, 2010Date of Patent: March 19, 2013Assignee: Institute for Information IndustryInventors: Chih-Chiang Wu, Kanchei Loa, Shu-Tsz Liu
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Publication number: 20120115499Abstract: A cooperative apparatus and a resource block allocation method thereof for use in a wireless network are provided. The wireless network comprises a plurality of femtocells. The cooperative apparatus groups the femtocells based on signal interferences between the femtocells. The femtocells with higher signal interferences are joined to the same femtocell group. The cooperative apparatus averagely allocates resource blocks to the femtocells in the same femtocell group, and randomly allocates resource blocks to different femtocell groups.Type: ApplicationFiled: November 7, 2011Publication date: May 10, 2012Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Hsuan-Li LIN, Yu-Shen CHOU, Shu-Tsz LIU, Kanchei LOA
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Publication number: 20120082108Abstract: A femtocell Base Station (femto-BS), a network resource allocation method, and a non-transitory tangible machine-readable medium thereof are provided. There are a plurality of available network resource units. The femto-BS determines an expected value that is related to the available network resource units being used by the femto-BS and its neighboring femto-BSs without having interferences. The expected value is related to a number of the available network resource units and a number of the neighboring femto-BSs. Based on the expected value, the femto-BS calculates a plurality of strategy probability values that are related to different numbers of the available network resource units used by the femto-BS. The femto-BS calculates an assigned number according to the strategy probability values. Among the available network resource units, the femto-BS can use the assigned number of them.Type: ApplicationFiled: October 4, 2011Publication date: April 5, 2012Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shao-Yu LIEN, Kwang-Cheng CHEN, Kanchei LOA
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Publication number: 20110310828Abstract: A wireless apparatus, a base station and uplink contention methods thereof are provided. The wireless apparatus selects a preamble sequence and at least one resource block on an uplink shared channel (UL-SCH) according to a mapping rule. The wireless apparatus transmits an uplink signal with a preamble sequence on a random access channel (RACH) and a control message on the at least one resource on the UL-SCH to a base station. The base station detects the preamble sequence from the RACH, and retrieves the control message from the at least one resource block on the UL-SCH according to the mapping rule.Type: ApplicationFiled: June 15, 2011Publication date: December 22, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Yi-Ting LIN, Tsung-Yu TSAI, Chun-Che CHIEN, Kanchei LOA
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Publication number: 20110228719Abstract: A wireless communication system is disclosed. The wireless communication system comprises a core network, a base station and a relay station. The relay station transmits a first message with a system resource information of the relay station to the base station. The base station generates a configuration pattern according to the system resource information of the relay station, and transmits a second message with the configuration pattern to the relay station. The configuration pattern is used to divide the radio resource unit of the wireless communication system into a first set and a second set. Therefore, the base station transmits a first signal to the relay station through the first set, and the relay station transfers a second signal with a user equipment through the second set.Type: ApplicationFiled: March 17, 2011Publication date: September 22, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Kanchei LOA
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Publication number: 20110103294Abstract: A relay node, a donor evolved NodeB (DeNB) and a communication method thereof for use in a long term evolution (LTE) network are provided. The LTE network comprises the relay node and the DeNB. In the present LTE network of the present invention, at least two bearers can be set up between the relay node and the DeNB so that signaling messages can be transmitted between the relay node and the DeNB based on different priorities.Type: ApplicationFiled: October 29, 2010Publication date: May 5, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Kanchei LOA
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Publication number: 20110081914Abstract: The present invention relates to a resource allocation apparatus, subscriber station, resource allocation method, and non-transitory computer readable medium thereof. The resource allocation apparatus may know the unoccupied partition of the wireless network resource and allocate the unoccupied partition to the SS of the femtocell network. Thereby, the SS of the femtocell network will not occupy the same network resource of the macro BS or other femto SS, and interference of between femtocell and macrocell or other femtocell is reduced effectively.Type: ApplicationFiled: October 6, 2010Publication date: April 7, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Yi-Ting LIN, Tsung-Yu TSAI, Yung-Lan TSENG, Shao-Yu LIEN, Kwang-Cheng CHEN, Chih-Chiang WU, Kanchei LOA
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Publication number: 20110044249Abstract: An evolved NodeB eNB, a first relay node (RN) and a connection initialization method thereof for use in a long term evolution (LTE) network are provided. The LTE network comprises the eNB, the first RN, a second RN and a mobility management entity (MME). In the LTE network of the present invention, various multi-hop protocols can be achieved by using different identification mapping implementations.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Chih-Chiang WU, Kanchei LOA, Shu-Tsz LIU
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Publication number: 20110019695Abstract: Wireless communication apparatuses, header compression methods thereof, and header decompression method thereof are provided. The header compression method enables the transceiver to establish a tunnel for a user equipment, enables the processing unit to receive a first packet, enables the processing unit to generate a second packet comprising an outer header set and the first packet, enables the processing unit to replace the outer header set of the second packet with a replaced header, and enables the transceiver to transmit the second packet by the tunnel according to an identity recorded in the replaced header. The header decompression method decompresses the header compressed by the header compression method.Type: ApplicationFiled: July 27, 2010Publication date: January 27, 2011Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Chih-Chiang WU, Kanchei LOA, Shu-Tsz LIU
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Publication number: 20100322148Abstract: A base station and an attaching method thereof are provided. A relay network system comprises the base station, a relay station and a core network. The base station is connected with the core network via a backhaul link. The base station comprises a processing unit and a transceiver. The processing unit is configured to setup a communication link procedure between the relay station and the core network corresponding to a link request from the relay station, and to create a mapping table for connecting the relay station and the core network. The transceiver is configured to forward network packets and control signals between the relay station and the core network based on the mapping table.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA
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Publication number: 20100322146Abstract: A relay station and a backhaul control communication thereof are provided. A wireless communication system comprises the relay station, a base station, and a core network. The relay station is wirelessly connected to the base station, while the base station is wiredly connected to the core network. The relay station comprises a processing unit and a transceiver. The processing unit is configured to create a radio link having a control plane connection between the relay station and the base station and create a backhaul link between the relay station and the base station by the control plane connection of the radio link. The transceiver is configured to transmit a backhaul control message to the core network via the backhaul link.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA, Chun-Yen HSU
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Publication number: 20100322147Abstract: A relay station and a backhaul connection method thereof are provided. The relay station adopts an NAS mechanism. A wireless communication system comprises the relay station, a base station, and a core network. The relay station comprises a processing unit and a transceiver. The processing unit enters a first state of the NAS mechanism after the relay station creates a radio connection with the core network. The transceiver transmits a backhaul connection request to the base station after the relay station enters the first state. The processing unit then enters a second state of the NAS mechanism after the transmission of the backhaul connection request. The transceiver then receives a backhaul connection response from the base station after the transmission of the backhaul connection request. The processing unit then enters the first state after the receipt of the backhaul connection response.Type: ApplicationFiled: June 23, 2010Publication date: December 23, 2010Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Shu-Tsz LIU, Chih-Chiang WU, Kanchei LOA
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Patent number: 7616632Abstract: A small world infrastructure (SWI) of a general packet communications network and a method of determining, establishing and maintaining a hierarchical forwarding path (HFP) interconnecting communications units (CUs) of the small world infrastructure. The SWI includes a domain that has a given communication unit CU as a message packet source, a plurality of associated communications units each in direct contact with the given CU, and a plurality of HFPs each providing the direct contact between the given CU and one of the associated CUs, respectively. The method includes providing these communications units in which there are HFPs between first and second CUs and between the second and the third CUs, and a third HFP is constructed between the first and the third CUs.Type: GrantFiled: July 15, 2004Date of Patent: November 10, 2009Inventors: Kanchei Loa, Michael Sugino
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Publication number: 20080212467Abstract: An apparatus, a transmission method, and a tangible machine-readable medium thereof for relaying a data signal in a multi-hop relay network are provided, wherein the multi-hop relay network comprising a plurality of relay stations. The apparatus comprises a storage module, a receiving module, and a transmission module. The storage module is configured to store a message of the multi-hop relay network, the message indicating a relation between the apparatus and the relation stations. The receiving module is configured to receive the data signal. The transmission module is configured to transmit the data signal and a first response signal according to the message in response to the data signal, wherein the first response signal relates to a correctness of the data signal.Type: ApplicationFiled: December 5, 2007Publication date: September 4, 2008Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Chih-Chiang Hsieh, Shiann-Tsong Sheu, Hua-Chiang Yin, Youn-Tai Lee, Kanchei Loa, Yung-Ting Lee, Yi-Hsueh Tsai, Frank Chee-Da Tsai, Heng-Iang Hsu