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| Number | Title | Issue Date |
| 7058431 | End-to-end delay control method for both suppressing end-to-end delay time to a standard value or less and optimizing power-save operations An end-to-end delay acquisition unit in a radio terminal measures end-to-end delay time, which is the delay time required for end-to-end transmission and reception, by using PING packets in an IP network or the time stamp function of RTCP during VoIP communication. ... | 06/06/2006 |
| 7058421 | Wireless terminal operating under an aggregate transmit power limit using multiple modems having fixed individual transmit power limits A mobile wireless terminal (MWT) includes multiple wireless modems. The multiple modems have their respective transmit outputs combined to produce an aggregate transmit output. The multiple modems can concurrently transmit data in a reverse link direction and receiv... | 06/06/2006 |
| 7058364 | 3G radio A radio transceiver suitable for use in a mobile telephone is provided. The transceiver is operable in dual modes so as to be able to operate with both GSM and UMTS systems. In a preferred embodiment the transmitter section receives base band signals and up-converts... | 06/06/2006 |
| 7058140 | Sliding-window multi-carrier frequency division multiplexing system A sliding-window multi-carrier communication system is described, wherein the carriers are orthogonal in a local sense, but not necessarily in a global sense. In one embodiment, the system allows a reduction of the length of the basis function time as compared to co... | 06/06/2006 |
| 7058034 | Phase shifted time slice transmission to improve handover The present invention provides methods and apparatus for a wireless system broadcasting a plurality of data packets to at least one wireless terminal. The wireless system comprises a plurality of base stations that interfaces to a backbone network in order to receiv... | 06/06/2006 |
| 7054915 | Remote services control in an ATM/DSL service network There is provided a method for remote services control in an Asynchronous Transfer Mode (ATM)/Digital Subscriber Line (DSL) service network. The ATM/DSL service network includes an ATM/DSL head-end system (NCS) and Customer Premise Equipment (CPE). The ATM/DSL head-... | 05/30/2006 |
| 7054656 | Method and apparatus for provision of non-power control information through a power control channel to a mobile station Using conventional techniques, a common power control channel provides information used by mobile stations for power control operation of each mobile station. In accordance with the present invention, the common power control channel is also used to provide informat... | 05/30/2006 |
| 7050406 | Apparatus, and associated method, for generating assignment information used pursuant to channel allocation in a radio communication system Apparatus, and an associated method, for facilitating communications in a radio communication system that utilizes shared, packet channels. One or more common control channels are defined upon a forward link extending between a network part of the radio communicatio... | 05/23/2006 |
| 7046719 | Soft handoff between cellular systems employing different encoding rates A receiver (200) is provided receiving signals from differing base stations (BTSA and BTSB). The signal from BTSA is encoded using a first rate convolutional encoder while the signal transmitted from BTSB is encoded... | 05/16/2006 |
| 7046682 | Network-enabled, extensible metering system To allow meter data users to have access to needed information and at the same time address the rapidly shifting requirements of the deregulated marketplace, a new business model, apparatus and system are provided. A common metering device measures raw data and a sy... | 05/16/2006 |
| 7046678 | Channel efficiency based packet scheduling for interactive data in cellular networks The present packet scheduling algorithm gives cellular network operators greater flexibility in adjusting the way resources are allocated among interactive best-effort data users. Best effort data users with different radio link qualities may have different amounts ... | 05/16/2006 |
| 7046642 | Dynamic configuration of radio link protocol in a telecommunications system A method and apparatus for dynamically configuring parameters of the radio link protocol layer in a telecommunications system. The method and apparatus allows dynamic configuration of the radio link protocol layer in order to optimize parameters for use with a parti... | 05/16/2006 |
| 7039400 | Systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference Radiation by an ancillary terrestrial network, and/or satellite radiotelephones that communicate therewith are monitored and controlled, to reduce and preferably prevent intra-system interference and/or interference with other satellite radiotelephone systems. In pa... | 05/02/2006 |
| 7035635 | Method for transmitting signals in a radio communications system According to the invention, a message belonging to a protocol is signalled by a base station subsystem (BSS) in a radio communications system to user equipment (UE), said message consisting of at least one message element. The changes to the message elements in comp... | 04/25/2006 |
| 7035317 | Single-user decoder metrics for subtractive interference cancellation detectors in code-division multiple-access (CDMA) communication systems with time dependence variance residual multiple-access interference (RMAI) Improved branch metrics for Viterbi decoders in CDMA systems take into account the time dependency of the variance of the multiple access interference in any user's signal after the single-user detector, and the time dependency of the residual multiple access interf... | 04/25/2006 |
| 7035238 | Code assignment in a CDMA wireless system A CDMA wireless communication system for communicating with wireless terminals. The system comprises a channel estimator for determining characteristics of the wireless channels of the wireless terminals. The channel characteristics are used by a code optimizer to a... | 04/25/2006 |
| 7035232 | Spread-spectrum communication method and apparatus The communication period of spread spectrum data is divided into a plurality of portions, and an adjustment period for receiving the spread spectrum data is provided between one data-communication period and another communication period. Thereby, the setting of a re... | 04/25/2006 |
| 7035245 | Methods and apparatus for multiplexing signal codes via weighted majority logic CDMA codes are multiplexed into a constant-envelope composite signal using weighted majority logic. Based on a commanded power allocation among the signal codes, each signal code is assigned a weighting coefficient dictating the voting power the signal code has each... | 04/25/2006 |
| 7035201 | Programmable transceiver structure of multi-rate OFDM-CDMA for wireless multimedia communications Two multi-rate transmission schemes, multi-code (MC) and variable-spreading-length (VSL) code, for realizing multimedia communications on three types of OFDM-CDMA systems are proposed. These systems can be integrated into a programmable structure such that the opera... | 04/25/2006 |
| 7031739 | Code division multiple access communication apparatus and method thereof A CDMA communication apparatus according to the present invention is constructed of a plurality of spreading units, an adding unit, a coefficient setting unit, a multiplying unit, and a transmission unit. The plural spreading units spread a plurality of transmission... | 04/18/2006 |
| 7031702 | Additional systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference A satellite radiotelephone system includes a space-based component, an ancillary terrestrial network, a monitor and a controller. The space-based component is configured to wirelessly communicate with radiotelephones in a satellite footprint over a satellite radiote... | 04/18/2006 |
| 7031344 | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 04/18/2006 |
| 7031273 | Session initiation protocol retransmission method For a network server (35) communicating with a wireless unit (10) via a Session Initiation Protocol, a retransmission method (50) first sets a timer based upon a time likely for a mobile unit to respond (54). Then the network server waits... | 04/18/2006 |
| 7027527 | Excess delay spread detection method for multi-carrier communication systems A method for detecting a presence of an excess delay spread within a received signal is provided. First, a quantitative estimation of a similarity of two segments of the received signal is performed. Thereafter, the presence of the excess delay spread within the rec... | 04/11/2006 |
| 7027484 | Method and apparatus for transmitting and receiving high speed data using code division multiple access channels The present invention describes a spread spectrum communication system wherein the frequency of carriers and the code channels of the carriers or both for transmission to a given remote station user vary in time. This provides for a direct sequence spectrum communic... | 04/11/2006 |
| 7024557 | System and method for secure provisioning of a mobile station from a provisioning server using encryption There is disclosed a security device for use in a wireless network comprising a plurality of base stations that communicate with a plurality of mobile stations. The security device prevents unprovisioned mobile stations from accessing an Internet protocol (IP) data ... | 04/04/2006 |
| 7023880 | Re-formatting variable-rate vocoder frames for inter-system transmissions Methods and apparatus are presented for supporting the transmission of variable-rate vocoder frames over non-compatible communication channels. Variable-rate vocoder frames are reformatted as cargo in multi-rate vocoder frames. At the receiver, a determination is ma... | 04/04/2006 |
| 7023817 | Method and apparatus for source device synchronization in a communication system A communications method including the steps of: activating a plurality of signal sources, and transmitting a synchronization event to the plurality of signal sources to cause the plurality of signal sources to simultaneously transmit data in response to the synchron... | 04/04/2006 |
| 7020266 | Simultaneous transmission of an analog pots signal and a digital signal on a subscriber line Apparatus and method for simultaneously providing multiple telephone-type services to any/all POTS-type devices on a single wire pair at a user premises. The present invention provides for the ability to add separately addressable POTS devices on a single service lo... | 03/28/2006 |
| 7020165 | Apparatus and method for trellis encoding data for transmission in digital data transmission systems A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 03/28/2006 |
| 7020104 | System and method for individualized broadcasts on a general use broadcast frequency A system and method of individualizing a general broadcast by combining a user identifier with a message and encoding the combination with a user specific code. Also, source identifiers can be added to the encoded combination, and the result again encoded and broadc... | 03/28/2006 |
| 7020127 | Apparatus and methods for determination of gain factors for wireless communication transmission power Apparatus and methods for wireless communication transmission power control are provided. Determination of gain factors and adjustments for physical channel reconfiguration in the context of transmission power control are addressed. Preferably, implementation is in ... | 03/28/2006 |
| 7016397 | Method of processing CDMA signal components The invention relates to a method of processing multipath-propagated components of a signal in a communications system. In the method, a signal transmitted on the radio channel of the communications system is received in a RAKE receiver and an impulse response of th... | 03/21/2006 |
| 7016335 | Transmitting facility and receiving facility for a multipoint-to-point synchronous CDMA network The object of the invention is to provide an acquisition method for a multipoint-to-point CDMA network (NET) that minimizes the influence of the acquisition procedure on the information transmission. The acquisition signals are encoded in a specific acquisition code... | 03/21/2006 |
| 7013243 | Multiplexed signal quality display, method, and program, and recorded medium where the program is recorded Since a multiplexed signal quality display system according to the present invention is provided with a memory means which stores measurement results obtained by measuring electric powers of signals present in all of channels within a band used and a display means w... | 03/14/2006 |
| 7012967 | Method of generating space-time codes for generalized layered space-time architectures Space-time codes for use with layered architectures with arbitrary numbers of antennas are provided such as rate k/n convolutional codes (e.g., rates higher than or equal to 1/n where n is the number of transmit antennas). Convolutional codes for layered space-time ... | 03/14/2006 |
| 7012952 | Method and apparatus for adjusting delay in systems with time-burst pilot and fractionally spaced equalizers A weighted mean arrival time determines a delay offset of a fractionally spaced equalizer. The weighted mean arrival time is determined using path arrival times and energies from a Rake receiver. The difference between a weighted mean arrival time and a current dela... | 03/14/2006 |
| 7012911 | Method and apparatus for W-CDMA modulation Techniques for efficient W-CDMA modulation are disclosed. In one aspect, a multiplexing/coding chain for use in modulation such as that defined by the W-CDMA specification is disclosed. In another aspect, transport blocks are processed and concatenated, utilizing me... | 03/14/2006 |
| 7012906 | Pilot signals for synchronization and/or channel estimation The frame words of the preferred embodiment are especially suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at z... | 03/14/2006 |
| 7012894 | Method for configuring a telecommunication system A method and system for configuring a CDMA telecommunication system having at least one sending entity and at least one receiving entity, each entity configured to transmit data on at least one physical channel (DPDCH) via a transport channel composite (CCTrCH) of m... | 03/14/2006 |
