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US 8,942,223 B2Granted
Interference cancelation using edge signals for synchronization signal detection
AssigneeQUALCOMM Incorporated
InventorsXiaoxia Zhang, Tao Luo
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AssigneeQUALCOMM Incorporated
InventorsXiaoxia Zhang, Tao Luo
Estimating the term…
In 3GPP Release (Rel) 8, a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) may be transmitted in six resource blocks, occupying, for example, the center 62 tones (i.e., subcarriers) of an LTE-A system, wherein the center tone may be skipped. In synchronous networks, cells may transmit their respective PSS and SSS on the same frequency at the same time, wherein strong cells may overshadow the weak ones. However, strong cells may not be the serving cell for a user equipment (UE), particularly in a heterogeneous network. Traditionally, interference cancelation, an enhanced receiver technique, has been used, wherein the UE may first find the strong cells and cancel them out to find the serving cell. However, due to propagation delay and synchronization uncertainty, a timing offset may exist among cells, even in synchronous networks. Therefore, systems and methods are disclosed, providing for improved handling of the timing offset among different cells by applying a time domain cancelation.
A method for wireless communications, comprising:
An apparatus for wireless communications, comprising:
An apparatus for wireless communications, comprising:
A computer-program product stored on a non-transitory computer-readable medium and comprising code instructing one or more processors to execute a process, comprising:
Dependencies are inferred from the claim text.