Method, system and device for cooperative communication between micro cells

A cooperative communication and micro-station technology, applied in wireless communication, diversity/multi-antenna system, location diversity, etc., can solve problems such as interference, complex indoor network coverage environment, and affecting user equipment experience

Active Publication Date: 2015-03-25
CHINA MOBILE COMM GRP CO LTD
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Problems solved by technology

Then, compared with macro stations, the number of micro stations deployed per unit area is more, and the indoor coverage environment of the network to be solved is more complex, and the deployable location is also subject to various conditions such as being easy to camouflage or providing power supply. Integrated antenna Various unfavorable factors such as poor directivity

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  • Method, system and device for cooperative communication between micro cells
  • Method, system and device for cooperative communication between micro cells
  • Method, system and device for cooperative communication between micro cells

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Embodiment Construction

[0074] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0075] It can be seen from the background technology that due to the small coverage area and relatively low transmission power of the micro-station, the deployment is relatively dense, resulting in overlapping coverage areas of multiple micro-stations, so that the micro-station to which the user equipment belongs transmits service data for the user equipment In this case, it may be interfered by the transmission of other service data by neighboring cell micro-stations covering overlapping areas, which affects the experience of user equipment. Therefore, according to the measurement report information reported by the user equipment, the micro-station to which the user equipment belongs in the present invention determines that the user equipment has a neig...

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Abstract

The invention discloses a method, a system and a device for cooperative communication between micro cells. The micro cell of user equipment confirms a neighbouring micro cell of the user equipment according to measurement report information reported by the user equipment; the micro cell of the user equipment sends scheduling information about the user equipment in the micro cell to the neighbouring micro cell of the user equipment and gives an instruction that the neighbouring micro cell of the user equipment allocates time-frequency resource for the user equipment, wherein time-frequency resource identical to that of the micro cell of the user equipment can be allocated for the user equipment, or time-frequency resource allocated by the micro cell of the user equipment can be allocated for user equipment managed by the neighbouring micro cell which does not affect operation data transmission of the user equipment. Through adoption of the method, the system and the device, multiple micro cells covering the same area cooperate and transmit operation data for the user equipment, thereby preventing mutual interference.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a method, system and device for cooperative communication between micro-stations. Background technique [0002] According to data statistics, 70% to 80% of data services occur indoors, and the quality of indoor coverage is the key to the development of data services in Time Division Duplex Long Term Evolution (TD-LTE) systems. Generally, due to the limitation of construction conditions, the conventional network coverage scheme only adopts the indoor distribution system for the deep indoor coverage of buildings such as hotels, airports and high-end office buildings, while for a large number of other buildings, such as dense residential areas, shops or small hotels etc., can only rely on outdoor macro stations for network indoor coverage and capacity for transmitting service data. [0003] According to the current frequency planning, the TD-LTE system adopts relativel...

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Application Information

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IPC IPC(8): H04W16/14H04W72/08H04W72/12
CPCH04B7/024H04W52/244H04W72/54H04W72/541
Inventor 闫渊王军程广辉
Owner CHINA MOBILE COMM GRP CO LTD
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