Abstract: Providing a system and method for identifying and characterizing incidents. The system and method can receive information from telecommunications networks or other information providers that may trigger generating an Incident Record. The Incident Record may further be analyzed to characterize the type of incident. This further analysis may include retrieving data from multiple data sources to support the application of rules used to characterize the incident. Additionally, analyses from multiple incidents may be combined if determined to relate to a single event.

Abstract: Systems and methodologies are described that facilitate multiplexing of localized transmissions and distributed transmissions to reduce overhead transmission costs. According to various aspects, systems and/or methods are described that enable selection of an optimal transmission scheme in order to accommodate various traffic services, user abilities and channel properties.

Abstract: The object is achieved by providing a transmission apparatus with: assignment means configured to assign, to each user, one of a frequency block that is obtained by dividing a system bandwidth into each block of continuous frequency subcarriers and a distributed type frequency block that include a frequency subcarrier that is discretely distributed in the system bandwidth; and mapping means configured to assign transmission data to one of the frequency block and the distributed type frequency block according to the assignment.

Abstract: A repeater system is disclosed including a dual-fed donor patch antenna with a first microstrip antenna probe and a second microstrip antenna probe, phase shifting circuitry connected to the first microstrip antenna probe and the second microstrip antenna probe, wherein the phase shifting circuitry is configured to receive an input signal, supply a first signal to the first microstrip antenna probe, and supply a second signal to the second microstrip antenna probe using the input signal such that the first signal and the second signal are approximately 180 degrees out of phase with respect to each other. The repeater system also includes a coverage antenna (either a patch antenna or dipole antenna) and a housing connecting the dual-fed donor patch antenna and the coverage antenna. The housing is disposed to serve as a ground plane for the donor patch antenna and the coverage antenna.

Abstract: Satellite communications systems, methods, and related devices are described. In one embodiment, a satellite communications system is configured to dynamically allocate bandwidth and frequencies among different beams. Bandwidth request data may be received and compiled from the terminals. The satellite may be configured with different beam coverage areas, and may dynamically allocate bandwidth and particular frequency channels to different beam coverage areas based on the requests. In each of a series of one or more epochs, and according to the bandwidth requests, there may be allocations among carrier groups, traffic classes, and particular terminals. The setup of slot structure and selection of modes for particular terminals is also addressed.

Abstract: A clock signal generating arrangement for a communication device generates a system clock signal at an output for use as a timing reference. The clock signal generating arrangement comprises a reference clock generator for generating a reference clock signal, a main clock generator for generating a main clock signal having a greater accuracy than the reference clock signal, a clock adjust circuit coupled to the reference clock generator for generating a compensated reference clock signal to compensate for error in the reference clock signal and a clock signal selector coupled to the reference clock generator the main clock generator and the clock adjust circuit.

Abstract: An active antenna system and a method for relaying radio signal in the mobile communications network is disclosed. The active antenna system comprises a plurality of antenna elements for relaying radio signals at a first frequency band. The antenna elements are connected to a plurality of signal paths. A plurality of signal inputs for inputting radio signals at a second frequency band is connected to the signal paths. A plurality of first mixers in the signal paths converts the frequency of the radio signals between the first frequency band and the second frequency band. A single first local oscillator is connected to the first mixers through a first oscillator signal path and supplies first oscillator signals to the first mixers and at least one dispersion element is connected to at least one of the signal paths.

Abstract: A method for communication includes transmitting data from a transmitter to a receiver using Adaptive Coding and Modulation (ACM). The data rate is set by selecting, based on feedback, an ACM profile defining a Forward Error Correction code and a modulation scheme. Upon detecting that the feedback is unusable, an operation of the transmitter is changed independently of the feedback. In another method, data is exchanged over two opposite directions of a bidirectional link that uses ACM by communicating using two ACM profiles. A joint constraint is defined on the two directions. The two ACM profiles are set based on first and second measured reception quality metrics of the two link directions, to meet the joint constraint. In yet another method, a subset of the ACM profiles is temporarily disabled, and the data is transmitted using only the ACM profiles that are not disabled.

Abstract: A wireless repeater has a receiving antenna for receiving an input signal and a transmitting antenna for transmitting an amplified signal where the input signal is a sum of a remote signal and a feedback signal. The repeater includes an echo canceller receiving the input signal and generating an echo cancelled signal by estimating a feedback channel between the transmitting antenna and the receiving antenna and cancelling a feedback signal estimate from the input signal, an amplifier for amplifying the echo cancelled signal and providing the amplified signal to the transmitting antenna, and a variable delay element receiving the echo cancelled signal and introducing a first delay to the echo cancelled signal. The first delay is selected to optimize the estimation of the feedback channel, thereby optimizing the cancellation of the feedback signal. The delayed echo cancelled signal is coupled to the echo canceller as a reference signal for estimating the feedback channel.

Abstract: A method for communication includes transmitting data from a transmitter to a receiver using Adaptive Coding and Modulation (ACM). The data rate is set by selecting, based on feedback, an ACM profile defining a Forward Error Correction code and a modulation scheme. Upon detecting that the feedback is unusable, an operation of the transmitter is changed independently of the feedback. In another method, data is exchanged over two opposite directions of a bidirectional link that uses ACM by communicating using two ACM profiles. A joint constraint is defined on the two directions. The two ACM profiles are set based on first and second measured reception quality metrics of the two link directions, to meet the joint constraint. In yet another method, a subset of the ACM profiles is temporarily disabled, and the data is transmitted using only the ACM profiles that are not disabled.

Abstract: A wireless repeater includes an echo canceller to cancel an estimated feedback amount from an input signal and a delay to delay the input signal. The delay may be selected to decorrelate a remote signal from a signal to be transmitted by the repeater.

Abstract: Techniques and systems for mediating traffic between a network transceiver and a user transceiver in a wireless communication system are disclosed. A network link with the network transceiver is maintained using a network unit, and a user link with the user transceiver is maintained using a user unit. One or more replicas of a signal received from the network transceiver on a downlink path or from the user transceiver on an uplink path, respectively, are generated. The one or more replicas of the signal wirelessly are then transmitted on a hop between the network unit and the user unit along with a bi-directional control channel.

Abstract: A method for speech switching, including: extracting mute flags from encoded speech data transmitted by each of the terminals respectively in order to determine one or more non-mute terminals; decoding the encoded speech data of each non-mute terminal respectively; calculating speech energy of each non-mute terminal according to the decoded speech data of each non-mute terminal; comparing the speech energy of the non-mute terminals and selecting one or more terminals with relatively large speech energy; performing linear superposition with different combination methods to the decoded speech data of the selected terminals, and encoding the decoded speech data which is obtained from the linear superposition of the different combination methods, and transmitting the data to the corresponding terminals respectively. An apparatus for speech switching is also disclosed. With this invention, resource consumption during procedure of speech switching may be reduced, the effect of speech communication may be improved.

Abstract: A repeater device may be utilized to enable forwarding extreme high frequency (EHF) communication between EHF-enabled wireless devices. The repeater device may utilize spatial isolation to prevent and/or reduce interference between received and transmitted EHF RF signals, wherein reception and/or transmission of EHF RF signals in the repeater device may be performed via narrow beams that may enable minimal interference by transmit EHF RF signals to reception of EHF RF. The repeater device may utilize phased arrays to enable performing beamforming, and signal processing operations, including shift and/or amplitude adjustment, may be performed on signals received and/or transmitted via antenna elements in the phased arrays to enable beamforming during reception and transmission of EHF RF signals. Signal processing operations performed in the repeater device may be modifiable to enable continued spatial isolation between receive and transmit EHF RF signal in the repeater device.

Abstract: A method of scheduling transmissions in a multi-carrier transmission system, includes, for each downlink transmission frame: partitioning the downlink transmission frame into a plurality of data regions each including an equal number of slots, each data region corresponding to a respective logical band; for a currently active connection: a) creating a first set of logical bands not fully occupied for transmission and having a minimum boosting level making the transmission receivable by a receiving terminal; b) extracting from the first set, a second set of logical bands available for allocating a maximum number of slots for downlink transmission to the active connection; and c) selecting the logical band for downlink transmission to the active connection from the second set as the logical band that, after allocating the slots to the considered connection, leaves a residual number of slots equal to or smaller than a predetermined minimum residual in the logical band, e.g.

Abstract: A method of transmitting reference signals in a wireless communication system for cooperative communication is provided. The wireless communication system defines a plurality of transmission patterns of the reference signals each having a different pattern, and each of a plurality of base stations and/or each of a base station and a relay station participating in the cooperative communication transmit the reference signals based on one transmission pattern selected from the plurality of transmission patterns of the reference signals.

Abstract: A data transmission system transmitting data using a relay is provided. The relay selects a transmission terminal from a plurality of terminals connected to a base station. During a first time slot, the base station transmits base station data to the relay and the transmission terminal transmits terminal data to the relay. The relay transmits the terminal data to the base station and transmits the base station data to the transmission terminal during a second time slot.

Abstract: This invention is a method for extending the coverage and/or improving the capacity of wireless communication networks comprising inserting a Relay Node (RN) in the Radio Access Network (RAN). The relay node relays the signal between the Base Station node (eNB) and the User Equipment (UE). The relay node is wirelessly connected to the base station. The base station uses the same radio access technology (RAT) for the base station to user equipment link and the base station to relay node link. The relay node uses the same radio access technology for the base station to relay node link and the relay node to user equipment link. The relay node is non-transparent and seen as base station by the user equipment.

Abstract: Aspects of a method and system for selective equalization enablement based on modulation type may be found in a method for processing radio frequency (RF) signals received via a RF channel, detecting a modulation type of at least a portion of the received RF signals, and determining whether to enable or disable an equalization circuit for processing at least a subsequent portion of the received RF signals based on the detected modulation type; and selecting one of a plurality of inputs to a selector based on the detected modulation type, wherein the plurality of inputs comprise the at least a subsequent portion of the received signals and an output signal generated by the equalization circuit.

Abstract: A method and apparatus for reconfiguring a wireless transmit/receive unit (WTRU) are directed to receiving an active set update message indicating that a mode of operation allowing a certain modulation scheme is enabled or disabled and performing at least one of: performing a MAC reset procedure, updating a set of reference enhanced transport format combination indicators (E-TFCIs) and associated power offsets, determining actions related to E-DPCCH boosting, modifying information related to an enhanced dedicated channel (E-DCH), and modifying an index that indicates an E-DCH transport block size table. The update message includes at least one modified information element (IE).

Abstract: A repeater system is disclosed including a dual-fed donor patch antenna with a first microstrip antenna probe and a second microstrip antenna probe, phase shifting circuitry connected to the first microstrip antenna probe and the second microstrip antenna probe, wherein the phase shifting circuitry is configured to receive an input signal, supply a first signal to the first microstrip antenna probe, and supply a second signal to the second microstrip antenna probe using the input signal such that the first signal and the second signal are approximately 180 degrees out of phase with respect to each other. The repeater system also includes a coverage antenna (either a patch antenna or dipole antenna) and a housing connecting the dual-fed donor patch antenna and the coverage antenna. The housing is disposed to serve as a ground plane for the donor patch antenna and the coverage antenna.

Abstract: Disclosed is a data transmission system that transmits data using a relay. During a first time slot, a base station may transmit base station data to the relay, and a mobile station may transmit mobile station data to the relay. During a second time slot, the relay may transmit the mobile station data to the base station, and transmit the base station data to the mobile station.

Abstract: A wireless communication device includes a first receiver section and a second receiver section. The first receiver section receives a first probe signal from a first transceiver at time t1. The second receiver section receives a second probe signal from a second transceiver at time t2, wherein the first and second probe signals have substantially similar carrier frequencies. The first receiver section then receives a first signal from the first transceiver and the second receiver section receives a second signal from the second transceiver in accordance with an adjusted delay. The first and second signals have similar content and have substantially similar carrier frequencies. The adjust delay corresponds to a delta time that is substantially equal to a difference between the time t1 and the time t2 when the difference between the time t1 and the time t2 compares unfavorably to a delay threshold.

Abstract: Methods and apparatus, including computer program products, are provided for channel estimation. In one aspect, there is provided a receiver including a demodulator for decoding a signal including at least one of a transmission parameter signaling (TPS) carrier and a data carrier. The receiver further includes a channel estimator, coupled to the demodulator, for determining a channel estimate for the TPS carrier. Moreover, the receiver includes an interpolator, coupled to the channel estimator, for determining, based on the determined channel estimate for the TPS carrier, another channel estimate for the data carrier. Related systems, methods, and articles of manufacture are also disclosed.

Abstract: A communication system includes first and second transmitters, which are coupled to transmit respective first and second Radio Frequency (RF) signals carrying first and second data over a wireless communication channel. The transmitters are coupled to select an operational mode from a group of operational modes and to operate in the selected operational mode. The group of the operational modes includes at least two of a protection mode, wherein the second transmitter serves as backup to the first transmitter, a spatial multiplexing mode, in which the first data is different from the second data and the first and second transmitters transmit simultaneously, and a beam-forming mode, in which the first data is identical to the second data, the second RF signal includes a phase-shifted replica of the first RF signal, and the first and second transmitters transmit simultaneously.

Abstract: The present invention concerns analog signal repeater system solutions of the general kind. It concerns in particular stability with analog signal repeater systems.

Abstract: A dynamic frequency translating repeater operating in a mobile communications system is operable to receive a multi-user signal and perform time-varying and user-specific frequency shifting in the repeater signal. The dynamic frequency translating repeater may further perform user subcarrier specific dynamic frequency translation. Different mobile stations may be allocated different frequency shift amounts based on the interference environments, resource allocations, and scheduling constraints particular to each mobile station.

Abstract: A structure of a data frame for transmitting data via a relay, and a transmission apparatus and a relay using the data frame are provided. The relay includes: a receiver to receive, from a transmission apparatus, first radio resource allocation information with respect to a first radio resource and second radio resource allocation information with respect to a second radio resource, and to receive first data from the transmission apparatus using the first radio resource allocation information; and a transmitter to transmit the received first data to a receiving apparatus using the second radio resource allocation information.

Abstract: A method for obtaining media at a first communications device (e.g., that of a parent) from a wireless communications device (e.g., one being used by a child), includes steps of receiving a message from the first device at the wireless communications device, the message causing the wireless communications device to display a prompt for the user to capture media (e.g., photo, voice sample, or biometrical sample) with the device, obtaining current location information for the wireless communications device; and automatically transmitting the media from the second device to the first device along with the current location information.

Abstract: Aspects of a method and system for selective equalization enablement based on modulation type may be found in a method for processing a radio frequency (RF) signal that comprises receiving a Bluetooth signal via an RF channel, detecting a modulation type of the received Bluetooth signal, and selecting an equalization circuit for processing the received Bluetooth signal based on the detected modulation type. The method may also comprise determining a data rate based on the detected modulation type.

Abstract: A method of transmitting data packets in a mobile communication system using at least one relay station (RS) and using at least two frequency carriers is disclosed. More specifically, the method comprises transmitting at least one subpacket of a first data packet to a mobile station (MS) on a first frequency carrier, and transmitting at least one subpacket of a second data packet to the MS via the at least one RS.

Abstract: A paging apparatus and method in a mobile communication system providing an MBMS (Multimedia Broadcast Multicast Service). In the mobile communication system, to page a UE for a first service through a primary carrier during a second service in progress through a secondary carrier, a PICH (Paging Indication Channel) transmitter in a Node B transmits paging indication information to the UE through the primary carrier by oscillating the primary carrier as a transmission frequency. A PCH (Paging Channel) transmitter transmits paging information to the UE through the primary carrier or the secondary carrier by oscillating the primary carrier or the secondary carrier as the transmission frequency under a predetermined control. A PBMSCH (Physical Broadcast Multicast Shared Channel) transmitter transmits data of the second service through the secondary carrier by oscillating the secondary carrier as the transmission frequency.

Abstract: An active antenna system and a method for relaying radio signal in the mobile communications network is disclosed. The active antenna system comprises a plurality of antenna elements for relaying radio signals at a first frequency band. The antenna elements are connected to a plurality of signal paths. A plurality of signal inputs for inputting radio signals at a second frequency band is connected to the signal paths. A plurality of first mixers in the signal paths converts the frequency of the radio signals between the first frequency band and the second frequency band. A single first local oscillator is connected to the first mixers through a first oscillator signal path and supplies first oscillator signals to the first mixers and at least one dispersion element is connected to at least one of the signal paths.

Abstract: The throughput of communication is enhanced in a wireless base station device communicating with each of a plurality of terminal devices according to a modulation scheme selected from a plurality of modulation schemes by using any one channel of a plurality of channels.

Abstract: System and method for use in a hybrid multispot satellite broadcasting system comprising at least one satellite (S; S1; S2) for multibeam broadcasting of beams in respective frequency bandwidths (F1; F2; F3), the system further comprising a plurality of terrestrial repeater (R1; R2; R3) for receiving, processing and re-transmitting said beams in a frequency bandwidth which is different from that of the bandwidth of the beam received. Each terrestrial repeater (R1; R2; R3) re-uses for terrestrial re-transmission a combination of bandwidths corresponding to different beams broadcast from said satellite to different beams.

Abstract: A method of conferencing communication devices in a system having (i) a conference server, (ii) a voice interface unit (VIU), and (iii) at least one conference bridge, the method including, at a first communication device: (a) establishing a first connection between the VIU and the first communication device via the switching point, the switching point enabled to establish connections for the communication devices; (b) sending first validation data from the first communication device to the VIU for forwarding to the conference server for validating the first validation data, and, in response to the validating the first validation data: (b)(i) terminating the first connection; and (b)(ii) establishing a second connection between the at least one conference bridge and said first communication device, to establish a conferencing session.

Abstract: A payload design for a multi-spot-beam satellite communication system includes a plurality of uplink spot beam receivers and downlink spot beam transmitters, and a broadcast transmitting subsystem capable of transmitting a broadcast beam to an entire system geographical service area. An input filter-switch-matrix (IFSM) controllably selects input IF signal bands for routing to an on-board digital signal processor-router (DSPR). The DSPR subsequently routes all received point-to-point and broadcast data packets to the appropriate downlink spot or broadcast transmitting subsystems for transmission thereof. The broadcast downlink allows broadcast transmissions to occur at the highest efficiency possible, while also allowing for flexible provision of surge capacity for point-to-point transmissions on previously exhausted spot beams by selective use of the broadcast beam for such point-to-point transmissions.

Abstract: Devices, systems and methods for remotely entering, storing and sharing location addresses for a positional information device, e.g., a global positioning system (GPS) device, are provided. The present disclosure allows a user to easily and safely enter an address into a GPS device by giving that address to a remote communications link and to have that link automatically program the user's GPS device for usage. The device, system and method of the present disclosure further allows the user to use this stored address(es) on multiple GPS devices without having to manually enter the address(es).

Abstract: A relay communication system and a method for transmitting data in the same system, wherein the method for transmitting data comprises: a relay station notifying a transmitting terminal and a receiving terminal of air interface resources which are required when the transmitting terminal transmits data and when the receiving terminal receives the data (S102); the transmitting terminal transmitting the data to the relay station on the air interface recourses, and the relay station forwarding the data to the receiving terminal on the air interface resources (S104). By using the present invention, the times of forwarding the data along a data transmission path can be effectively reduced, and thus improves data transmission efficiency.

Abstract: The present disclosure relates to a radio system (1), a base band unit (20) and a method (100) for relaying radio signals in a cell (101) of a mobile network. The radio signals are relayed according to a service criterion (300). With the present invention the radio signals are grouped into a grouped payload signal (30-1, 30-2, . . . , 30-M) and a grouped receive signal (220-1, 220-2, . . . , 220-M) according to the service criterion (300). The grouped payload signal (30-1, . . . , 30-M) and the grouped receive signal (220-1, 220-2, . . . , 220-M) are associated with a beam forming vector (40-1, 40-2, . . . , 40-M). The grouping according to the present disclosure helps to improve a quality of service provided to an individual user of the mobile network. The associated beam forming vector (40-1, 40-2, . . . , 40-M) may be provided and adjusted at a digital radio interface DRI (200). Furthermore the present disclosure provides various computer programme product implementing the various aspects.

Abstract: A mixer apparatus (60), such as an integrated circuit (IC) mixer is provided for improving the physical layout of devices containing mixers. The mixer includes a multiplier (62) with an input port (64), an output port (66), a first switchable local oscillator input port (68) and a second switchable local oscillator input port (72). The dual switchable local oscillator ports are located on either side of the mixer, between the input side and the output side. The dual switchable local oscillator ports allow the mixer to provide more flexibility in integrated circuit and printed circuit board design layouts involving mixer apparatus. For example, in dual channel devices, a local oscillator can be coupled to a pair of the mixers using transmission lines that do not have to be routed around the integrated circuit, to a different level of the printed circuit board or underneath one of the mixers.

Abstract: A set of different pilot structures are designed for use in different environments and/or different user behaviours that are expected to occur in a cell. The radio conditions for a user are estimated. Each user is then assigned an area (108A-E) in resource space for its communication, which has a suitable pilot configuration. In one embodiment, the entire resource space is provided with different pilot structures in different parts (110A-D) In advance and allocation of resources to the users are then performed in order to match estimated radio conditions to the provided pilot structure. In another embodiment, allocation is performed first, and then the actual pilot structure is adapted within the allocated resource space area to suit the environmental conditions.

Abstract: A radio frequency repeater equipment in a radio communication system is disclosed. An indoor space exists under a radio base station of the radio communication system, and a mobile terminal in the indoor space performs radio communications with the radio base station via the radio frequency repeater equipment, the radio frequency repeater equipment includes: a first antenna for receiving a DOWN LINK signal from the radio base station; a first attenuator for attenuating an output of the first antenna; a second antenna for outputting an output of the first attenuator, and for receiving a signal from the mobile terminal; and a second attenuator for attenuating an output of the second antenna.

Abstract: A system and method of generating at least two distinctive auditory alerts upon receiving a transmission or telephone call at a device is described. Data indicative of a first plurality of sounds corresponding to a user of a device configured to receive the transmission or telephone call is accessed, such as from a memory. The first plurality of sounds is played at the device so as to identify a received transmission or telephone call being directed to the user. A telephone number, subscriber name or identifier associated with a transmitting or calling party of the transmission or telephone call is accessed. Data indicative of a second plurality of sounds designating the transmitting or calling party based on the subscriber name, telephone number or identifier is retrieved, such as from a data structure, and the second plurality of sounds is played at the device so as to identify the transmitting or calling party.

Abstract: Aspects of a method and system for processing signals in a high performance receive chain may include amplifying a plurality of radio frequency signals in one or more respective one or ones of a plurality of amplifier chains in a multistandard radio frequency front-end, which may comprise one or more shared processing stages. The plurality of radio frequency signals may be compliant with a plurality of radio frequency communication standards and may be received concurrently. The one or more shared processing stages may be shared between two or more of the plurality of amplifier chains. Each of the two or more of the plurality of amplifier chains may be operable to amplify signals compliant with different radio frequency communication standards.

Abstract: Aspects of a method and system for a low-complexity multi-beam repeater may include receiving one or more information signals at one or more receiver antennas, and receiving one or more local oscillator control signals via an out-of-band link. The one or more received information signals may be demodulated to one or more intermediate-frequency signals via one or more frequency carrier signals, wherein the frequency carrier signals may be controlled by the one or more received local oscillator control signals. One or more intermediate-frequency signals and/or one or more signals generated from the one or more intermediate-frequency signals may be modulated to one or more radio-frequency signals via the one or more frequency carrier signals. One or more transmit signals comprising at least one of the one or more radio-frequency signals may be transmitted via one or more transmit antennas.

Abstract: A method and system of selecting antennas and/or equipment for use within a wireless communication system is disclosed. A cell site may have one antenna-arrangement shared between multiple groups of radio equipment that are each operated by respective wireless service providers at the cell site. The cell site may also have a base station controller that may select from the shared antenna-arrangement an antenna for radiating signals from the groups of radio equipment. The base station controller may also select from the multiple groups of radio equipment a group of radio equipment for processing signals received at the shared antenna-arrangement.

Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.

Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.

Abstract: A large amount of user information is transmitted with good efficiency by means of a high-speed downlink by making transmission rates of an uplink circuit and a downlink asymmetrical. The radio communication system includes a plurality of base stations, a plurality of terminals, an uplink established between each of the base stations and each of the terminals for the purpose of radio transmission of prescribed information from a terminal to a base station, and a downlink circuit established between each of the terminals and each of the base station for the purpose of radio transmission of prescribed data from a base station to a terminal.