Patent application number | Description | Published |
20080261537 | RE-CONFIGURABLE COMMUNICATION DEVICE AND MANAGING METHOD THEREOF - A communication apparatus including a physical information recognizing module, an MAC information recognizing module, a coordinating module, and a re-configurable transmitting/receiving module is provided. The physical information recognizing module recognizes a set of physical information relative to at least one communication network. The MAC information recognizing module recognizes a set of MAC information relative to the at least one communication network. The coordinating module generates a set of control signals selectively based on the set of physical information and the set of MAC information. The re-configurable transmitting/receiving module is configured according to the set of control signals and is used for transmitting/receiving data via the at least one communication network. | 10-23-2008 |
20090111388 | Co-existing Multi-radio System and Method of Establishing the Same - A co-existing multi-radio system and a method of establishing the same are provided. The co-existing multi-radio system includes a base station system and at least one first mobile device. The first mobile device and the base station system operate in a same communication environment. The first mobile device is capable of sensing a set of information associated to the communication environment, followed by analyzing the set of information and self-reconfiguring so as to communicate with another first mobile device and/or the base station system. | 04-30-2009 |
20090252101 | METHOD AND SYSTEM OF RADIO RESOURCE ALLOCATION FOR MOBILE MIMO-OFDMA - This patent discloses a method and a system of radio resource allocation for a mobile MIMO-OFDMA system, the method comprising the steps of: generating a diagonal matrix according to a channel matrix; determining a sum capacity function associated with the diagonal matrix, a plurality of transmission powers, and a plurality of subcarrier fractions; performing a first subcarrier fraction allocation by maximizing the sum capacity function according to a predetermined user capacity condition; performing a first transmission power allocation according to the first subcarrier allocation; and performing a second subcarrier fraction allocation by maximizing the sum capacity function according to the first transmission power allocation and the predetermined user capacity condition. | 10-08-2009 |
20090258597 | METHOD AND APPARATUS FOR PROCESSING RADIO SIGNALS TO IDENTIFY AN ACTIVE SYSTEM IN A COEXISTING RADIO NETWORK - The present invention discloses a method of multiple systems sensing for coexisting radio networks, including: performing energy detection and carrier locking; detecting the fundamental frequencies; and identifying the corresponding active systems from the detected fundamental frequencies and the evaluation of the estimated power spectrum density vector or the estimated trispectrum matrix. Based on the method, an apparatus capable of multiple systems sensing is presented. Furthermore, the present invention also provides an apparatus of multiple systems sensing for coexisting radio networks. | 10-15-2009 |
20110081914 | RESOURCE ALLOCATION APPARATUS, SUBSCRIBER STATION, RESOURCE ALLOCATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - 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. | 04-07-2011 |
20110296268 | METHOD FOR END-TO-END HYBRID AUTOMATIC REPEAT REQUEST AND SYSTEM THEREOF - A method for an end-to-end hybrid automatic repeat request and a system thereof are provided. The method is applicable in a cognitive radio network (CRN) including at least a source node and a destination node. There are paths between a source node and a destination node in the CRN, and each path has a plurality of wireless links. The method includes the following steps. The source node encodes information into a coded packet, divides the coded packet into coded sub-packets, and transmits the coded sub-packets to the paths. Through the wireless links of each path, a coded sub-packet is amplified and forwarded to the destination node. In addition, the destination node combines the coded sub-packets for decoding so as to recover the information, and transmits an acknowledgement packet to the source node for notifying whether the information is successfully recovered. | 12-01-2011 |
20120082108 | FEMTOCELL BASE STATION, NETWORK RESOURCE ALLOCATION METHOD, AND NON-TRANSITORY TANGIBLE MACHINE-READABLE MEDIUM THEREOF - 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. | 04-05-2012 |
20120213120 | RE-CONFIGURABLE COMMUNICATION DEVICE AND MANAGING METHOD THEREOF - A communication apparatus including a physical information recognizing module, an MAC information recognizing module, a coordinating module, and a re-configurable transmitting/receiving module is provided. The physical information recognizing module recognizes a set of physical information relative to at least one communication network. The MAC information recognizing module recognizes a set of MAC information relative to the at least one communication network. The coordinating module generates a set of control signals selectively based on the set of physical information and the set of MAC information. The re-configurable transmitting/receiving module is configured according to the set of control signals and is used for transmitting/receiving data via the at least one communication network. | 08-23-2012 |
20120320770 | Method of Handling Interference Mitigation in Heterogeneous Network by Channel Measurement and Related Communication Device - A method of handling resource arrangement for a first base station of a wireless communication system is disclosed. The method comprises obtaining channel information of a channel corresponding to a resource block from a measurement, a relay node of the wireless communication system or a second base station of the wireless communication system, wherein the resource block is identified by a time period and a frequency bandwidth; and arranging the resource block to a mobile device in the wireless communication system according to the channel information of the channel. | 12-20-2012 |
20130329672 | RESOURCE ALLOCATION APPARATUS, RESOURCE ALLOCATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - The present invention relates to a resource allocation apparatus, resource allocation method, and non-transitory computer readable medium thereof. The resource allocation apparatus adapted for a network comprising a femto base station (BS) which communicates with the femto BS and includes a storage, a transceiver and a processor connected to the storage and the transceiver. The storage stores a random function, reuse information and fractional frequency reuse (FFR) information which records an original cell ID/frequency corresponding relation of an unoccupied partition of the network. The processor selects a time partition from the unoccupied partition according to the random function and the reuse information, changes the original cell ID/frequency corresponding relation to generate a changed cell ID/frequency corresponding relation according to the FFR information; and generates an allocation message according to the time partition and the changed cell ID/frequency corresponding relation, wherein the transceiver conveys the allocation message to the femto BS. | 12-12-2013 |
20130331112 | SUBSCRIBER STATION, RESOURCE ALLOCATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - The present invention relates to a subscriber station, resource allocation method, and non-transitory computer readable medium thereof. The subscriber station using in a femtocell network comprises a receiving interface and a processor. The receiving interface receives a frame of the femtocell network. The processor, electrically connected to the receiving interface, blindly decodes a first logical frequency resource unit (LRU) of a frequency partition of the frame to obtain an allocation message, determines the allocation message is relative to the subscriber station, and proceeds a data transmission in the femtocell network according to the allocation message. | 12-12-2013 |