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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7680093 | Sector selection for F-SCH A Forward Supplemental Channel (F-SCH) serving sector for a packet data call to a mobile terminal in a CDMA network is dynamically selected by monitoring radio channel conditions at potential F-SCH serving sectors. The sector loading at the potential F-SCH serving s... | 03/16/2010 |
| 7680092 | Link adaption for mobile ad hoc and mesh networks A method of selecting linked metric measurements from at least one of open loop and closed loop measurements is disclosed. The method includes sending by a first node a first radio communication and receiving by a second node the first radio communication over a com... | 03/16/2010 |
| 7672285 | Method and apparatus for minimizing co-channel interference by scrambling An approach is provided for minimizing co-channel interference in a communication system is disclosed. Non-header portions of frames, which are transmitted over the communication system, are scrambled according to respective different scrambling sequences. The above... | 03/02/2010 |
| 7672286 | Reverse-link structure for a multi-carrier communication system A method and system for providing acknowledgment and/or data rate control (DRC) information with respect to data packets conveyed on a plurality of active forward link (FL) carriers. The number of reverse link (RL) carriers employed for the acknowledgment and/or DRC... | 03/02/2010 |
| 7664090 | Intra-frame code diversity Provided are methods and apparatuses to encode portions of user data with corresponding spreading sequences within a frame wherein the user data is associated with a single user. ... | 02/16/2010 |
| 7653040 | Channel communication apparatus and method in CDMA communication system A channel communication apparatus and method are provided for a CDMA communication system method for acquiring signals from multiple adjacent base stations by a terminal; for providing more efficient set management; for providing more efficient multipath acquisition... | 01/26/2010 |
| 7643462 | Selective storing order method in CDMA receiver A receiver allows a user to select received data before de-spreading or symbol data after de-spreading according to various factors when data is simultaneously received via multiple channels and to store the selected data, reduces the capacity of the storage memory,... | 01/05/2010 |
| 7639659 | Apparatus and method for controlling hybrid automatic repeat request (HARQ) in a mobile communication system A Hybrid Automatic Repeat reQuest (HARQ) control apparatus and method for detecting a message received over a packet data control channel in a mobile communication system are provided in which a base station transmits a packet data control message over at least one ... | 12/29/2009 |
| 7626970 | Method of controlling transmission power in a mobile radio system A method of controlling transmission power in a mobile radio system in which a power control algorithm controls transmission power as a function of a transmission quality target value, wherein a target value is varied to compensate the effects of a compressed transm... | 12/01/2009 |
| 7626971 | Mobile communication system and method of controlling operation thereof By separating a function responsible for a control plane and a function responsible for a user plane into physically independent devices, a radio access network system, in which expandability and flexibility of a network is enhanced, is obtained. In the radio access... | 12/01/2009 |
| 7616618 | Code cycle modulation in optical code division multiple access systems An optical code division multiple access (OCDMA) system includes an optical transmitter system configured to transmit data from a plurality of users through a shared optical channel by encoding the data from each user with a spreading code assigned to that user. Eac... | 11/10/2009 |
| 7613159 | Transmission power level estimation A transmission power level of a selected user is estimated in a code division multiple access (CDMA) communication system. An initial estimate of a transmit power level associated with the selected user is determined. A transmit power level of users of the system ot... | 11/03/2009 |
| 7613158 | Method of quadrature spreading The invention provides a method of quadrature spreading suited for use in a software implementation of a code division multiple access communication (CDMA) system. The method includes providing for a bit of short code, adding a bit of each of N data channels togethe... | 11/03/2009 |
| 7609680 | HARQ device and method for mobile communication system There is provided a device and method for retransmitting error-detected data in a mobile communication system. A transmitter generates S sub-codes Ci (i=0, 1, 2, . . . , S−1) from a physical layer packet (PLP) information stream using quasi-complementar... | 10/27/2009 |
| 7609679 | Cellular system A cellular system using a code division multiple access (CDMA) scheme includes N (N is a positive integer) pilot channels and M (M is a positive integer) data channels. The pilot channels are used transmitting reference signals whose transmission signals are known i... | 10/27/2009 |
| 7606212 | Method and apparatus for setting gain factors for dedicated physical channels in a mobile telecommunications system A system and method are provided for setting gain factors for dedicated physical channels in a mobile communication system supporting E-DCH service. If the E-DCH is established without the legacy DCH, the UE sets a gain factor for a DPCCH related to the DCH to a pre... | 10/20/2009 |
| 7602760 | Resource allocation to users in slotted code division multiple access systems using beams The invention includes several embodiments for slot assignment in code division multiple access communication systems. Some of the embodiments relate to fixed beams and others relate to adaptive arrays. One embodiment for fixed beams assigns slots by first detecting... | 10/13/2009 |
| 7599344 | Method and apparatus for reducing multi-user processing in wireless communication systems A method and apparatus is disclosed for reducing multi-user processing at the receiver in wireless communication systems. Detected codes are grouped according to channel impulse response and a parent code is identified for each group of detected codes. A matrix A is... | 10/06/2009 |
| 7599345 | Method, network elements, a terminal, a network infrastructure, and a communication system for triggering events A method, network elements, a terminal, and a system of triggering events in a protocol layer stack of a communication system comprising at least one terminal and a network infrastructure including at least a first network element and a second network element, the m... | 10/06/2009 |
| 7596125 | Adjusting the amplitude and phase characteristics of transmitter generated wireless communication signals in response to base station transmit power control signals and known transmitter amplifier characteristics A method and system for adjusting the amplitude and phase characteristics of wireless communication signals generated by an analog radio transmitter, based on transmit power control (TPC) signals received by a base station (BS) and known characteristics of a power a... | 09/29/2009 |
| 7596126 | Method, apparatus and computer program product providing slow associated control channel (SACCH) repetition Techniques are presented for repetition on both uplink and downlink Slow Associated Control Channel (SACCH) channels. For instance, an exemplary method is disclosed that is performed by a mobile node. The method includes receiving from a network node a first block o... | 09/29/2009 |
| 7593380 | Variable rate forward error correction for enabling high performance communication A protocol for optimizing the use of coded transmissions such as over wireless links. In this technique, interframes are first split into segments selected to be an optimum size according to transmission characteristics of the radio channel. Segments are assigned a ... | 09/22/2009 |
| 7593382 | Information processing device with an externally connectible communication module A CPU executes various types of processing that can be executed in an information processing device. A communication module executes communication processing conforming to EV-DO and cdma2000 1×. A connection terminal is a connector for communicating data to and fro... | 09/22/2009 |
| 7593381 | Mobile communication terminal, and antenna array directivity-pattern-controlling method In a mobile communication terminal for performing wireless communication by receiving wireless signals according to CDMA communication system containing pilot signals by an antenna array containing a plurality of antenna elements (1-1 to 1-N), d... | 09/22/2009 |
| 7593383 | Uplink transmitter in a random phase multiple access communication system A method for communicating through a multiple access communication interface includes receiving a first signal from a first tag, where the first signal is spread using a predetermined pseudo-noise (PN) code, and further where the first signal includes first payload ... | 09/22/2009 |
| 7590099 | Managing traffic in communications system having dissimilar CDMA channels In a code division multiple access (CDMA) communications system including one or more terminals (such as customer premise equipments, CPEs) that communicate with a node (such as an Internet gateway) via at least a random access channel and a reservation-oriented cha... | 09/15/2009 |
| 7580400 | Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system Disclosed are an apparatus and a method for generating a preamble signal for cell identification in an OFDM mobile communication system. The method includes the steps of generating a Walsh code symbol for a cell identification by combining Walsh codewords having a p... | 08/25/2009 |
| 7573860 | Method, device and system for determining a transmission power for ARQ related re-transmissions The present invention provides a method, a mobile terminal device and a system for determining a transmission power factor. During an uplink of data between a mobile terminal device and a base station via a code division multiple access (CDMA) system supported by au... | 08/11/2009 |
| 7564828 | Power-efficient signaling for asymmetric multi-carrier communications A method and system for reducing transmission power when signaling in groups. For a group of identically-sized signals a majority value can be determined. The majority value may be transmitted as an additional signal, and all indications of the group that match the ... | 07/21/2009 |
| 7564827 | Adaptive hybrid retransmission method for wireless communications An adaptive incremental redundancy (i.e., Hybrid ARQ) method is described for retransmitting information in a communication channel of a wireless communication system. More specifically, code multiplexing is used within fixed length frames in order to change the num... | 07/21/2009 |
| 7561556 | System and method for generating a public long code mask in a mobile communications system A method of assigning a public long code mask (PLCM) to a mobile terminal in a mobile communications network is provided. The method comprises assigning a first PLCM type, when the mobile communications network assigns the PLCM for the mobile terminal; and assigning... | 07/14/2009 |
| 7561557 | Base station apparatus, mobile station, and contents provider A radio communication system arranged to deliver multimedia information into a plurality of mobile stations is arranged to deliver the multimedia information according to the wave circumstances of each mobile station, layer the information components composing the m... | 07/14/2009 |
| 7554964 | Wireless telephone system with diversity transmission and method A cellular system utilizes transmission diversity by transmitting a plurality time slotted signals for communicating data. A transmitting station including a transmitter configured to transmit a plurality of data signals corresponding to the data in different time s... | 06/30/2009 |
| 7554965 | UWB (Ultra Wide Band) waveform design to minimize narrowband interference UWB (Ultra Wide Band) waveform design to minimize narrowband interference. A novel solution is presented such that a PN (Pseudo-Noise) code may be intelligently designed so as to null portions of a UWB spectrum that have a significant amount of noise. These narrowba... | 06/30/2009 |
| 7545790 | Apparatus and method for acquisition of communication quality In mobile communication systems employing the CDMA method, the communication quality is acquired from the CDMA pilot channel. A communication quality acquisition apparatus comprises a delay profile acquisition unit comprising a control unit, synchronization unit and... | 06/09/2009 |
| 7545789 | Method of mobile communication and apparatus therefor In order to accomplish efficient communication of data between a base station and a plurality of mobile terminals, particular orthogonal codes are transmitted from the mobile stations to the base station as alert signals indicating the presence of data to be transmi... | 06/09/2009 |
| 7535885 | Method of selecting transport channel parameters, radio system, controller, user equipment and base station There is provided a method of selecting transport channel parameters and a radio system comprising user equipment communicating with at least one base station and a controller for controlling the communication between the user equipment and the base station. The bas... | 05/19/2009 |
| 7529221 | System and method for digital multimedia broadcasting A system for sending multimedia information from at least one base station to one or more mobile stations via at least one wireless communication link includes at least one multimedia source for generating the multimedia information. At least one processor is couple... | 05/05/2009 |
| 7529220 | Wireless receiver A method for performing transport format combination indicator (TFCI) processing in a wireless communications system begins by collecting received samples for a timeslot. Processing of the received samples for the timeslot that does not require a transport format co... | 05/05/2009 |
| 7525945 | Spread spectrum communication device and spread spectrum communication method In a compressed mode, a spread spectrum communication device interleaves bit units across multiple frames using an interleaver, reduces the spreading factor using a framing/spreading unit, outputs the compressed mode frames at a predetermined compressed mode frame t... | 04/28/2009 |