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| Number | Title | Issue Date |
| 8085865 | Method and apparatus for providing high speed data communications in a cellular environment A method and apparatus for transmitting digital data in a cellular environment. Adjacent cells of the cellular system are prevented from simultaneously transmitting data. Because the noise from transmissions of adjacent cells is a primary source of interference, the... | 12/27/2011 |
| 8046005 | Dual event slotted paging A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment of the invention, a minimally encoded quick paging channel is establi... | 10/25/2011 |
| 8031622 | Method and apparatus for receive diversity in a communication system In a communication system (100) for decoding a quick paging channel (QPCH), a receiver (200) determines a channel condition of a pilot channel received at a mobile station (102-104). A control system (210, 401) determines receive d... | 10/04/2011 |
| 7983695 | Dual event slotted paging A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment of the invention, a minimally encoded quick paging channel is establi... | 07/19/2011 |
| 7979078 | Apparatus, system, and method for managing reverse link communication resources in a distributed communication system An apparatus, system, and method efficiently manage reverse link communication in a communication system having geographically distributed base stations. Coupled load information is exchanged between base stations allowing a base station to determine an appropriate ... | 07/12/2011 |
| 7970420 | Dual event slotted paging A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment of the invention, a minimally encoded quick paging channel is establi... | 06/28/2011 |
| 7949066 | Method and apparatus for providing high speed data communications in a cellular environment A method and apparatus for transmitting digital data in a cellular environment. Adjacent cells of the cellular system are prevented from simultaneously transmitting data. Because the noise from transmissions of adjacent cells is a primary source of interference, the... | 05/24/2011 |
| 7936690 | Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system Techniques to support independent power control of multiple channels in CDMA systems (e.g., a W-CDMA system) that define a single power control feedback stream on the uplink, which is to be used for downlink power control. In one aspect, the single feedback stream i... | 05/03/2011 |
| 7920661 | Decision feedback equalizer for code division multiplexed signals A decision feedback equalizer (DFE) processes a signal having multiple code channels by filtering an error signal based on a difference between a received signal and an estimated received signal. The received signal is processed to recover data on each of the code c... | 04/05/2011 |
| 7729698 | Communication system receiver and method for concurrent receiving of multiple channels A method and apparatus in a communication system provide for concurrent processings of signals at the different frequencies. A received signal is down converted in a RF/IF system to produce on-channel and out-of-channel received samples. The on-channel received samp... | 06/01/2010 |
| 7720501 | Apparatus, system, and method for managing reverse link communication An apparatus, system, and method efficiently manage reverse link resources by allowing a mobile station to select between transmitting a payload at a standard power level and transmitting a smaller payload at a boosted power level. The mobile station, therefore, can... | 05/18/2010 |
| 7684329 | Method and apparatus for augmenting physical layer ARQ in a wireless data communication system A system (100) and various methods and apparatus for efficient communications of data across various protocol layers are disclosed. A control and transceiver system (1400) configured for determining a data rate control (DRC) value and for transmission ... | 03/23/2010 |
| 7664209 | Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system A method and apparatus for coordinating the time at which a mobile station performs searches for alternative systems to which a hard handoff will occur. The mobile station receives a command which instructs the mobile station as to when to tune to alternative freque... | 02/16/2010 |
| 7660282 | Congestion control in a wireless data network Techniques for congestion control are disclosed. In one embodiment, a base station allocates a shared resource using a combination of zero or more individual grants and zero or more common grants, and generates a busy signal in response to loading conditions that ex... | 02/09/2010 |
| 7630731 | Apparatus, system, and method for managing reverse link communication An apparatus, system, and method efficiently manage reverse link resources by allowing a mobile station to select between transmitting a payload at a standard power level and transmitting a smaller payload at a boosted power level. The mobile station, therefore, can... | 12/08/2009 |
| 7630719 | Method and apparatus for rapid assignment of a traffic channel in digital cellular communication systems A method and apparatus for rapidly assigning traffic channels to a plurality of mobile stations in a wide area high-speed packet data cellular communication system. Mobile stations transmit access probes on randomly selected access channels to selected base stations... | 12/08/2009 |
| 7626922 | Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system A method and apparatus for high data rate communication in a cellular/PCS communication system is provided. Specifically, the embodiment provides for early assignment of code channel for signaling channels (F-DCCH) in soft handoff. Thus, rather than simultaneously a... | 12/01/2009 |
| 7599655 | Method and apparatus for broadcast services in a communication system A method, apparatus and system provide for efficient use of communication resources for providing broadcast services in a communication system. A receiver receives a first broadcast controller identification from a first base station, and a second broadcast controll... | 10/06/2009 |
| 7593746 | Multi-media broadcast and multicast service (MBMS) in a wireless communication system Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information bits (which may have variable rates) are provided to a buffer implem... | 09/22/2009 |
| 7583977 | Multi-media broadcast and multicast service (MBMS) in a wireless communication system Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for p8rocessing data for transmission to a plurality of terminals. Frames of information bits (which may have variable rates) are provided to a buffer imple... | 09/01/2009 |
| 7555302 | Dual event slotted paging A novel and improved method and system for paging a cellular telephone or other wireless terminal using two paging channels that reduces standby mode power consumption described. In one embodiment of the invention, a minimally encoded quick paging channel is establi... | 06/30/2009 |
| 7548728 | Channel quality feedback mechanism and method Methods and apparatus are presented for improving the feedback of channel information to a serving base station, which allows a reduction in the reverse link load while allowing the base station to improve the forward link data throughput. Over a channel quality ind... | 06/16/2009 |
| 7525944 | Data delivery in conjunction with a hybrid automatic retransmission mechanism in CDMA communication systems Techniques for delivering data recovered by a HARQ entity in proper order to higher layers in a CDMA system. In a method, packets are received from the HARQ entity by the re-ordering entity and missing packets among the received packets are detected. Packets may be ... | 04/28/2009 |
| 7502385 | RLP retransmission for CDMA communication systems Techniques for retransmitting data via RLP in a CDMA (e.g., cdma2000) system with a first retransmission mechanism provided by the RLP and a second retransmission mechanism provided by an HARQ-CF. In one method, missing RLP frames are first detected (e.g., by a rece... | 03/10/2009 |
| 7480270 | Method and apparatus for a reverse link supplemental channel scheduling A method and apparatus provide for scheduling reverse link transmission for a mobile station in a timely manner. A base station (101) may transmit on a forward link high rate channel and a forward link low rate channel to a mobile station during a common time... | 01/20/2009 |
| 7426391 | Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system Collisions between messages simultaneously transmitted by multiple spread-spectrum transmitters are reduced by distributing the transmissions over the available resources of the receiver. Each mobile station in a CDMA system uses one or more randomization methods to... | 09/16/2008 |
| 7315527 | Extended acknowledgement and rate control channel Embodiments disclosed herein address the need in the art for an extended acknowledgment/rate control channel. In one aspect, an acknowledgment command and a rate control command are combined to form a combined command. In another aspect, the combined command is gene... | 01/01/2008 |
| 7286846 | Systems and methods for performing outer loop power control in wireless communication systems Systems and methods for controlling the power level for a mobile station during periods when no data is being transmitted by the mobile station. In one embodiment, data is intermittently transmitted from a mobile station to a base station on a reverse-link traffic c... | 10/23/2007 |
| 7286830 | Grant channel assignment Methods and apparatus for scheduling grant channels to carry grant messages to a plurality of scheduled mobile stations. The scheduling of grant channels involves dynamically assigning to a current mobile station of the plurality of scheduled mobile stations, a prev... | 10/23/2007 |
| 7266156 | Method and apparatus for reducing peak to average power ratio of a multi-carrier signal An apparatus and method provide for producing a multi-carrier signal at a reduced peak to average power ratio. A control system (401) determines a number of carriers in multi-carrier signal, determines chip time of a spreading sequence used for spreading the ... | 09/04/2007 |
| 7254118 | Method and apparatus in a CDMA communication system A novel and improved method and apparatus, in a WCDMA communication system (100), for informing a mobile station (101) of a downlink data frame time offset by determining the downlink data frame time offset, and transmitting the downlink data frame tim... | 08/07/2007 |
| 7245600 | Method and apparatus for determining reverse link load level for reverse link data scheduling in a CDMA communication system In a communication system (100), a method and apparatus provides for determining reverse link load level for reverse link data rate scheduling. The method and apparatus include determining a number of locked fingers (208) on a reverse link signal in a ... | 07/17/2007 |
| 7242935 | Method and system for performing a handoff in a wireless communication system, such as a hard handoff A method for minimizing search time and disruption of current service on an originating frequency during a frequency search excursion to a target frequency as part of an inter-frequency hard handoff between cells on different RF CDMA channels. Disruption of service ... | 07/10/2007 |
| 7206298 | Conducting searches amidst asynchronous cells of a communication system Methods and apparatus are presented for scheduling asynchronous neighboring cells within a wireless communication system. The Neighbor Set is apportioned into a Synchronated Neighbor Set and an Asynchronous Neighbor Set. Rather than performing a full frame timing ac... | 04/17/2007 |
| 7197319 | Apparatus, system, and method for managing reverse link communication resources in a distributed communication system An apparatus, system, and method efficiently manage reverse link communication in a communication system having geographically distributed base stations. Coupled load information is exchanged between base stations allowing a base station to determine an appropriate ... | 03/27/2007 |
| 7180879 | Method and apparatus for call setup latency reduction Techniques for minimizing call setup latency are disclosed. In one aspect, a channel assignment message is sent with a flag to direct the use of previously negotiated service parameters. This aspect eliminates the need for service negotiation messages. In another as... | 02/20/2007 |
| 7177658 | Multi-media broadcast and multicast service (MBMS) in a wireless communications system Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information bits (which may have variable rates) are provided to a buffer implem... | 02/13/2007 |
| 7167458 | Method and apparatus for determining a number of times a message is transmitted on a paging channel to a mobile station Method and apparatus for use in a communication system (100) are provided for determining a number of times a message is transmitted on a paging channel. A controller (210, 401) selects a mobile station (102, 103, 104) to receive a general page ... | 01/23/2007 |
| 7158498 | Interleaver and deinterleaver for use in a diversity transmission communication system Methods and apparatuses for transmitting and receiving enhance the performance of a system utilizing interleaving and transmit diversity by reordering the sequence of symbols transmitted along the different transmission channels. This enhancement is accomplished by ... | 01/02/2007 |
| 7159163 | Feedback for data transmissions Methods and apparatus are presented for dynamically controlling the re-transmission scheme of acknowledgment signals. A source transmits a first data packet over a slot s1. If channel conditions are favorable, source transmits a second data packet over sl... | 01/02/2007 |
