Abstract: A wireless communication system, a method, and a tangible machine-readable medium thereof for transmitting data based on a frame structure of a multi-hop relay standard are provided. The wireless communication system comprises a base station (BS), a relay station (RS), and a mobile station (MS). The frame structure comprises a relay station map (RS-MAP) frame and an MS sub-frame. The RS-MAP frame describes the frame structure. The MS sub-frame is used for transmitting the first data between the BS and the MS and is used for transmitting a second data between the RS and the MS according to the content of the RS-MAP frame. A part of the second data is the same as the first data.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting a bandwidth (BW) allocation based on a multi-hop relay standard are provided. The wireless communication system comprises a BS and at least one RS. The BS transmits the at least one particular channel descriptor to the at least one RS. The least one RS transmits at least one Ack to the BS for replying the at least one particular channel descriptor. Finally, the BS transmits the at least one BW allocation to the at least one RS according to the at least one Ack in a predetermined interval.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting and relaying a channel descriptor based on a multi-hop relay standard are provided. The wireless communication system comprises a BS and at least one RS. The BS divides the channel descriptor into a common channel descriptor and at least one particular channel descriptor. Then the BS broadcasts/multicasts the common channel descriptor to the at least one RS and transmits the at least one particular channel descriptor to the same. The at least one RS combines the common channel descriptor and the at least one particular channel descriptor to generate the channel descriptor.

Abstract: A method, a wireless communication system, a communication apparatus, and a tangible machine-readable medium for establishing a routing path during a network entry process of an SS based on a multi-hop relay standard are provided. The wireless communication system comprises a BS, an SS, and an RS. The SS transmits an RNG-REQ of the SS by a ranging CID to the BS through the RS. The BS allocates an SS CID and a routing path for the SS, and transmits an RNG-RSP having the SS CID and the routing path by a path CID to the RS. The RS updates the SS CID and the routing path into a routing table of the RS after receiving the RNG-RSP, and transmits the RNG-RSP having the SS CID by the ranging CID to the SS.

Abstract: A signal relay apparatus, method, application program, and computer readable medium adapted for wireless network are capable of saving power consumption due to failure of adjusting amplifying gain dynamically and solving the difficulty of demodulation since noise is also amplified during relay. For wireless access network, the present invention decreases the transmission power of mobile devices so that the battery of the mobile devices may keep working longer and the interference inside is reduced.

Abstract: A wireless communication system, method for transmitting a frame, and computer program product thereof are provided. The system comprises a base station and a subscriber station. The frame comprises a MAP area and a user area. The MAP area comprises a broadcast test area. The method and the computer program product thereof operate: the base station initially transmitting a first burst in the user area by a first transmission module; determining whether the first burst that is transmitted by the first transmission module fits a special situation; and if yes, the base station transmitting test information in the broadcast test area by a second transmission module or asking the subscriber station to transmit data by a second transmission module.

Abstract: Adaptive communication method and apparatus are provided for third generation mobile transmission system (UMTS). A third layer module is provided to dominate transmission resources. A second layer module is provided to perform quality control. A first layer module is provided to perform signal transmission and reception. It is detected whether the first layer module supports a high speed protocol. If the first layer module supports the high speed protocol, the high speed protocol is used for transmission. If the first layer module does not support the high speed protocol, a conventional protocol is used for the transmission.

Abstract: A method for direct link in wireless communication system is provided, which is applied in a base station with functions for broadcast and time division duplex (TDD), the method comprising the following steps: receiving connection request signalings including position information from a plurality of subscriber stations (SSs) with global positioning systems (GPSs); determining the SSs which can carry out the direct link, according to the connection request signalings; allocating time slots to each SS which can carry out direct link in the scheduling; calculating a relative distance between the two SSs according to the position information; determining an initial transmit power for the transmitting SS, and adjusting it many times; finally, adding the adjusted transmit power value and the time slot information allocated to the SSs in the scheduling into the broadcast message.

Abstract: A solar energy absorption plate with an angle adjusting assembly comprises a solar energy plate; a first light sensing element and a second light sensing element at two symmetrical opposite sides; a control unit connected to each of the first light sensing element and second light sensing element; an angle adjusting unit connected to the control unit; and the angle adjusting unit being interactive with the solar energy plate. The control unit calculates a brightness difference between a brightness of the first light sensing element and a brightness of the second light sensing element so as to drive the angle adjusting unit to cause that the first and second light sensing element in the solar energy plate have the same brightness and the solar energy plate facing to sun. Furthermore a third and a fourth light sensing elements can be used further.

Abstract: A relay station, a transmission method, and a tangible machine-readable medium thereof for use in a multi-hop network are provided. The relay station comprises a receiving module, a decoding module, and a transmission module. The receiving module is configured to receive a frame, the frame comprising an extended information element corresponding to the relay station. The decoding module is configured to decode the extended information element to derive at least one message. The transmission module is configured to transmit a burst according to the at least one message.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting downlink hybrid automatic repeat request (HARQ) packets based on a multi-hop relay standard are provided. The wireless communication system comprises a BS, an SS, and a plurality of RSs. The BS transmits a plurality of first downlink HARQ packets to the RSs. After receiving one of the first downlink HARQ packets, at least one of the RSs replies a first ACK to the BS and retrieves a second downlink HARQ packet in the first downlink HARQ packet. Then, the at least one of the RSs transmits the second downlink HARQ packet to the SS. And the second downlink HARQ packet is the same as a part of one of the first downlink HARQ packets.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting uplink hybrid automatic repeat request (HARQ) packets based on a multi-hop relay standard are provided. The wireless communication system comprises a BS, an SS, and a plurality of RSs. The RS transmits a plurality of first uplink HARQ packets to the RSs. After receiving one of the first uplink HARQ packets, at least one of the RSs replies a first ACK to the BS and retrieves a second uplink HARQ packet in the first uplink HARQ packet. Then, the at least one of the RSs transmits the second uplink HARQ packet to the BS. And the second uplink HARQ packet is the same as a part of one of the first uplink HARQ packets.

Abstract: A method, a wireless communication system, a communication apparatus, and a tangible machine-readable medium for establishing a routing path during a network entry process of an SS based on a multi-hop relay standard are provided. The wireless communication system comprises a BS, an SS, and an RS. The SS transmits an RNG-REQ of the SS by a ranging CID to the BS through the RS. The BS allocates an SS CID and a routing path for the SS, and transmits an RNG-RSP having the SS CID and the routing path by a path CID to the RS. The RS updates the SS CID and the routing path into a routing table of the RS after receiving the RNG-RSP, and transmits the RNG-RSP having the SS CID by the ranging CID to the SS.

Abstract: 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.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting a bandwidth (BW) allocation based on a multi-hop relay standard are provided. The wireless communication system comprises a BS and at least one RS. The BS transmits the at least one particular channel descriptor to the at least one RS. The least one RS transmits at least one Ack to the BS for replying the at least one particular channel descriptor. Finally, the BS transmits the at least one BW allocation to the at least one RS according to the at least one Ack in a predetermined interval.

Abstract: 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 relay 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.

Abstract: A method, a wireless communication system, a tangible machine-readable medium, and a communication apparatus for transmitting and relaying a channel descriptor based on a multi-hop relay standard are provided. The wireless communication system comprises a BS and at least one RS. The BS divides the channel descriptor into a common channel descriptor and at least one particular channel descriptor. Then the BS broadcasts/multicasts the common channel descriptor to the at least one RS and transmits the at least one particular channel descriptor to the same. The at least one RS combines the common channel descriptor and the at least one particular channel descriptor to generate the channel descriptor.

Abstract: A wireless network handover apparatus receives a request signal from a mobile apparatus and then allocates services of the base stations to the mobile apparatus according to the request signal. After allocation, the handover apparatus transmits a report signal to other base stations via a handover gateway. Therefore, services of the base stations can be efficiently allocated to the mobile apparatus.

Abstract: An apparatus for changing wireless network service receives a signal from a mobile apparatus, and transmits the signal to an apparatus for allocating wireless network service. The apparatus for allocating wireless network service allocates the base stations to the mobile apparatus according to the signal. Therefore, the base stations can efficiently serve the mobile apparatus with available resources of communication.

Abstract: A resource allocation apparatus, method, application program, and computer readable medium thereof are provided. A plurality of data streams are transmitted to a plurality of receiving ends via a network resource, wherein each of the receiving ends has a subscribing status. Each of the data streams comprises a plurality of data layers. First, required data are sent to the receiving ends. Then, an efficiency ratio of each of the possible transmission combinations is dynamically calculated. Finally, data layers comprised in the possible transmission combination that has the greatest efficiency ratio are transmitted to the receiving ends. Efficiency ratios are calculated according to the whole network resource, the channels of the receiving ends, and the characters of the data streams. By the aforementioned arrangement, data layers received by the receiving ends can be adjusted dynamically. Thus, the efficiency of the network resource can be increased.