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| Number | Title | Issue Date |
| 8185935 | Method and apparatus for dynamic home address assignment by home agent in multiple network interworking A method and apparatus for dynamic home address assignment by a home agent in multiple network interworking. The invention provides a method and apparatus send a key authorization request from a mobile station to a network device, the request indicating that the mob... | 05/22/2012 |
| 8179833 | Hybrid TDM/OFDM/CDM reverse link transmission A communication system includes a plurality of access terminals, and an access network. The access network schedules a transmission of data in a time interval from one of the access terminals. The access network selects a multiple access transmission mode from a plu... | 05/15/2012 |
| 8159928 | Signal transmission in a wireless communication system Interference management is provided through use of a user-based interference control and/or a network-based interference control. For user-based interference control, the terminals are informed of the inter-sector interference observed by the neighbor sectors and ca... | 04/17/2012 |
| 8145217 | Method and apparatus for handoff in a communication system supporting multiple service instances Method and apparatus for effecting handoff in a system supporting both wireless and packet data service communications. In one embodiment, the serving network provides information to the target network sufficient to establish the Point-to-Point Protocol (PPP) connec... | 03/27/2012 |
| 8116283 | Reverse link automatic repeat request An Access Network (AN) can send an acknowledge message (ACK) to an Access Terminal (AT) to indicate that the AN has successfully decoded the data received in the first set of slots of the first data packet. The AN can send a negative acknowledge message (NAK) to the... | 02/14/2012 |
| 8102907 | Space-frequency equalization for oversampled received signals Techniques for performing space-frequency equalization and spatial equalization in the frequency domain are described. Space-frequency equalization combines signal components across both space and frequency dimensions whereas spatial equalization combines signal com... | 01/24/2012 |
| 8099122 | Method and apparatus for improved forward link power control while in soft handoff Forward power control is improved by increasing forward power control feedback channel reliability when the mobile unit in a wireless communication system is in soft handoff. Forward power control is enhanced by decreasing the bit error rate of forward power control... | 01/17/2012 |
| 8089940 | Method and system for efficient and reliable data packet transmission A method and system provides for efficient data throughput by avoiding unnecessary data sub-packets transmission while not missing new data packets. The method and system distinguishes between a sub-packet for a current data packet and a sub-packet for a new data pa... | 01/03/2012 |
| 8050198 | Method and system for scheduling data transmission in communication systems A transmitter directed, distributed receiver using multi-user diversity provided by the distribution of the receiver. Advantage is taken of the uncorrelated variations over time in the condition of communication links between a common transmitter and several users. ... | 11/01/2011 |
| 8040942 | Method and apparatus for determining an outage in communication systems A method of detecting an outage includes determining at a source of data a quality metric of a link over which data is to be transmitted, modifying the quality metric by a quality metric margin, and declaring an outage event when power required for transmission of a... | 10/18/2011 |
| 8037188 | Soft handoff across different networks assisted by an end-to-end application protocol A method for soft handoff across different networks is disclosed. A first communication link through a first network is used for communicating between a first user agent and a second user agent. The user agents negotiate to use a second communication link for the sa... | 10/11/2011 |
| 8036669 | Orthogonal resource reuse with SDMA beams A wireless communication system can implement beamforming across multiple omni-directional antennas to create beams at different spatial directions. The communication system can arrange the beams in sets, with each set arranged to provide substantially complete cove... | 10/11/2011 |
| 7986680 | Transmit format selection with consideration for resource reuse Techniques for selecting transmit formats in a manner to account for the degrees of resource reuse for multiple data streams sent simultaneously from multiple antennas are described. The degree of resource reuse for each data stream indicates the amount of reuse of ... | 07/26/2011 |
| 7983298 | Multiple frequency band operation in wireless networks Embodiments for bandwidth allocation methods, detecting interference with other systems, and/or redeploying in alternate bandwidth are described. Higher bandwidth channels may be deployed at channel boundaries, which are a subset of those for lower bandwidth channel... | 07/19/2011 |
| 7933235 | Multiflow reverse link MAC for a communications system An access terminal (206) configured for wireless communication with an access network (204) within a sector (1032). The access terminal includes a transmitter (2608) for transmitting a reverse traffic channel to the access network (204... | 04/26/2011 |
| 7907972 | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system Techniques to schedule downlink data transmission to a number of terminals in a wireless communication system. In one method, one or more sets of terminals are formed for possible data transmission, with each set including a unique combination of one or more termina... | 03/15/2011 |
| 7882412 | Enhanced block acknowledgement Embodiments disclosed herein address the need in the art for enhanced block acknowledgement. In one embodiment, a receiver indicates a decoding delay for a maximum size aggregate frame in Block Ack negotiation, which may be used by a transmitter to determine to whic... | 02/01/2011 |
| 7881739 | Method and apparatus for adaptive power control in a wireless voice and data communication system A method and apparatus for adaptively controlling the power level of transmissions from a remote station by determining the velocity of the remote station. A general classification of the velocity of the remote station can be used to selectively implement a closed l... | 02/01/2011 |
| 7809336 | Rate selection for a quasi-orthogonal communication system To select a rate for a transmitter in a communication system, a receiver obtains a channel response estimate and a received SINR estimate for the transmitter, e.g., based on a pilot received from the transmitter. The receiver computes a hypothesized SINR for the tra... | 10/05/2010 |
| 7693213 | Method and apparatus for determining power required for data transmission in communication systems Methods and apparatus for estimating a transmission power required for data transmission in a communication system are disclosed. A terminal determines a quality metric of a communication link, over which data are to be transmitted, and modifies the determined quali... | 04/06/2010 |
| 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 |
| 7596090 | Capacity-efficient flow control mechanism Techniques to control data transmissions to efficiently utilize the available air-link resources. In accordance with a method for controlling a data transmission between a transmission source (e.g., a base station) and a receiving device (e.g., a remote terminal), a... | 09/29/2009 |
| 7564818 | Reverse link automatic repeat request An Access Network (AN) can send an acknowledge message (ACK) to an Access Terminal (AT) to indicate that the AN has successfully decoded the data received in the first set of slots of the first data packet. The AN can send a negative acknowledge message (NAK) to the... | 07/21/2009 |
