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Multi-RRU cell wireless network based on baseband merging macro diversity

A wireless network and macro-diversity technology, applied in the field of single EU-based baseband combined macro-diversity, can solve the problems of insufficient transmission rate and insufficient transmission reliability, and achieve the effects of improving data throughput, saving resources, and improving reliability

Pending Publication Date: 2022-05-06
CERTUS NETWORK TECHNANJING +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned multi-RRU cell wireless network has the problems of insufficient transmission reliability and insufficient transmission rate due to the rise of the noise floor of multiple RRUs and the wireless infection between RRUs.

Method used

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  • Multi-RRU cell wireless network based on baseband merging macro diversity
  • Multi-RRU cell wireless network based on baseband merging macro diversity

Examples

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Embodiment Construction

[0017] like figure 2 As shown, the present invention is based on a block diagram of the structure of a multi-RRU cell wireless network based on baseband combined macro-diversity, including:

[0018] A baseband processing unit 1, an expansion unit 2, and multiple remote radio frequency units 3;

[0019] The expansion unit 2 is internally split into a first sub expansion unit 21 and a second sub expansion unit 22, and the first sub expansion unit 21 and the second sub expansion unit 22 are independent of each other;

[0020] Each sub-extension unit is connected to a maximum of 4 remote radio frequency units 3 for signals.

[0021] The front transmission card of the baseband processing unit 1 is connected to the expansion unit 2 through a 10G optical fiber.

[0022] The multiple remote radio frequency units 3 connected to the same sub-expansion unit are located in the same independent area in the cell.

[0023] The multiple remote radio frequency units 3 in the same independe...

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PUM

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Abstract

The invention discloses a multi-RRU (Radio Remote Unit) cell wireless network based on baseband merging macro diversity, which is high in transmission reliability and high in speed. The multi-RRU cell wireless network comprises a baseband processing unit (1), an expansion unit (2) and a plurality of far-end radio frequency units (3), the interior of the expansion unit (2) is split into a first sub-expansion unit (21) and a second sub-expansion unit (22), and the first sub-expansion unit (21) and the second sub-expansion unit (22) are mutually independent; and each sub-expansion unit is in signal connection with at most four far-end radio frequency units (3).

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a baseband combining macro-diversity method based on a single EU. Background technique [0002] Multi-RRU cell combination is to combine multiple RRUs (Remote Radio Units, remote radio units) into one cell, so as to improve the wireless coverage area of ​​the cell and improve the data throughput of a single cell. In this cell, all RRUs use the same PCI (Physical Cell Identifier, physical cell identifier). The cell adopts RRU joint scheduling, that is, the downlink physical channel adopts multi-RRU joint transmission, and the uplink physical channel adopts all reception and selective reception. Multi-RRU joint transmission means that multiple RRUs in a cell simultaneously transmit the same data on the same time-frequency resource through joint scheduling. [0003] Compared with the networking mode in which each RRU is a cell in a common situation, the control chan...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W16/24H04B7/0413
CPCH04W16/18H04W16/24H04B7/0413Y02D30/70
Inventor 孟祥固逯利军钱培专许闱帷
Owner CERTUS NETWORK TECHNANJING
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