Apparatus and method in wireless communication system
A wireless communication system and grouping technology, applied in the field of cell search and access process, can solve the problems of small cell interference, difficulty in adapting to automatic configuration mechanism, large cell planning burden and maintenance cost, etc.
Inactive Publication Date: 2016-04-20
SONY CORP
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Problems solved by technology
However, in the scenario of ultra-dense deployment of small cells, the interference between small cells will be more serious, so the methods in the prior art will bring a huge burden of cell planning and maintenance costs, and lack of flexibility, making it difficult to adapt to, for example, Automatic configuration mechanisms such as plug and play are also difficult to meet the requirements of more flexible unplanned small cell deployment scenarios
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[0051] Exemplary embodiments of the present disclosure will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those system and business-related constraints and Restrictions may vary from implementation to implementation. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.
[0052] Here, it should be noted that in order to avoid obscuring the present disclosure due to unnecessary details, only the device structure and / or processing steps closely related to the solution according...
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The invention discloses an apparatus and method in a wireless communication system. The apparatus comprises an access determination unit and control unit, wherein the access determination unit is configured to determine the access requirement for user equipment; and the control unit is configured to switch a target small community where the apparatus is into the on state from the off state based on the access requirement of the user equipment, and to redistribute a new physical community identifier for the target small community, wherein the new physical community identifier is different from the physical community identifier which is used in the off state. According to the embodiment of the apparatus and method in a wireless communication system, the physical community identifier can be dynamically distributed according to the on / off state of the small community, and at the same time, the community planning and maintenance cost can be reduced and the flexibility is improved.
Description
technical field [0001] The present disclosure relates to the field of wireless communication technologies, and more specifically, to a device and method in a wireless communication system for dynamically managing physical cell identities in small cell deployment and on / off scenarios, and cell search and access procedures in this case . Background technique [0002] A physical cell identity (PhysicalcellID, PCI) may identify an evolved Node B (eNB) / small cell at the physical layer. In the LTE-A system, the physical cell identity is closely related to mechanisms such as scrambling sequence generation, cell search, and resource mapping, so the physical cell identity plays an important role in the physical layer. [0003] The physical cell identity is important decision information for the generation of the scrambling sequence in the physical channel, and especially plays a key role in reducing the interference of the control channel and the broadcast channel. At the same time...
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IPC IPC(8): H04W8/26H04W24/10H04W48/16
CPCH04W24/02H04W52/0206H04W56/0015Y02D30/70H04L5/0048H04L61/3005H04W8/26H04W48/16H04W64/003
Inventor 崔琪楣蒋琴艳高苇娟覃忠宾张彤梁辉
Owner SONY CORP