Empire Technology Development LLC

Emprie Technology Development LLC

Beijing Jindianchuangqi Technology Development Co., Ltd.

Anpeng Huang

In an example embodiment, one or more scheduler of base stations may be configured to schedule resource blocks on a frequency band of two adjacent cells to eliminate crossed timeslots interference by selecting different starting points on the frequency band.

Eliminating crossed timeslots interference

Various embodiments of a scheme of dynamic activation and release of carrier aggregation in an LTE-Advanced system are provided. When transmission need of an LTE-Advanced user is large and the user is within coverage of at least one secondary component carrier, carrier aggregation is activated while a certain amount of resource of each component carrier is preserved to support carrier aggregation. This avoids unnecessary activation and waste due to signaling cost. When the primary component carrier of an LTE-Advanced user has sufficient resource to satisfy transmission need of the user or when the user is not within coverage of at least one secondary component carrier, carrier aggregation is released. This minimizes complex measurement and cost of controlling signals due to multi-carrier scheduling.

Dynamic carrier assignment of carrier aggregation in an LTE-advanced system

Technologies and implementations for resource allocation for Voice over Internet Protocol are generally disclosed.

Voice over internet protocol services

Frequency spectrum resources available to a node of a wireless communication network may be allocated for either an uplink or downlink channel by a scheduler module. The scheduler module may schedule a specific frequency spectrum resource based at least in part on whether the frequency spectrum resource has been assigned to a downlink resource pool, an uplink resource pool, or a shared resource pool. Assignment of frequency spectrum resources to the downlink resource pool, the uplink resource pool, or the shared resource pool may be based on suitability of each frequency spectrum resource for uplink channel or downlink channel.

Adaptive communication resource allocation in a wireless network

In an LTE system, to maintain synchronization between different user equipment, a base station may consider one or more factors including the delay in transferring a timing advance command, an amount of time for the user equipment to process the timing advance command, and a period of time for repeated retransmissions of the timing advance command.

Maintaining uplink synchronization

Dynamic carrier assignment of carrier aggregation in an LTE-Advanced system

In a heterogeneous cellular communication network, a macro cell equipped with a base station may be configured to support one or more macro user equipment (UE) and one or more micro cells, each of which further serves as proxies of one or more micro UE for wireless communications between the micro UE and the macro cell. The base station may be configured to assign a first cell ID to the macro cell and other cell IDs that have a mathematical distinction from the first cell ID to the micro cells.

Cell ID allocation in a heterogeneous network

In a wireless communication system, a base station may adopt AMC and HARQ mechanisms to improve the system stability and may further be configured to combine the feedback features of AMC and HARQ to save computing resources.

Self-adaptively improving system stability

In an example embodiment, one or more scheduler of base stations may be configured to schedule physical resource blocks in considering the respective wireless communication channel quality and neighboring co-channel interferences.

Scheduling communication resources

In an example embodiment, a transmitter of a wireless communication device may incrementally increase a level of transmit power by a predefined amount, based on a channel quality indicator, up to a limited maximum level of transmit power to control the peak transmit power and further may control the Peak-to-Average Power Ratio (PAPR).

Controlling peak-to-average power ratio (PAPR) based on adaptive modulation and coding (AMC)

In an LTE system, to configure TDD mode for different cells adjacent to a given cell, an EPC may apply different timeslot proportion configurations to the cells based on the uplink and downlink traffic of each cell.

Configuring time-division duplex mode

Various embodiments of a cell switching strategy for an LTE-Advanced system based on the carrier aggregation technology are provided. Compared with the conventional cell switching strategy, the proposed strategy monitors the channel conditions of all the component carriers that are utilized for the communication of a user. The proposed strategy switches cell for one or more of the component carriers with relatively weaker signal strength while maintaining the cell for the other component carriers with better channel quality.

Growing community of inventors

Beijing, China

Anpeng Huang