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Communication method and address automatic allocation and identification method for internal nodes of base station

A communication method and internal node technology, applied in the field of communication, can solve problems such as insufficient flexibility, and achieve the effect of flexible and efficient interface

Active Publication Date: 2012-02-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the CPRI interface is applied on TD-SCDMA, and its flexibility is not enough

Method used

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  • Communication method and address automatic allocation and identification method for internal nodes of base station
  • Communication method and address automatic allocation and identification method for internal nodes of base station
  • Communication method and address automatic allocation and identification method for internal nodes of base station

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Embodiment Construction

[0036] The specific implementation manners of the present invention will be described in detail below with reference to the accompanying drawings.

[0037] The present invention has adopted and CPRI is different, but belongs to the interface rate of the same level (CPRI1.2288Gbps and 1.25Gbps interface rate are the same level, CPRI2.4576Gbps and 2.5Gbps interface rate are the same level), IQ available bandwidth and bandwidth utilization rate Higher, which makes the choice of IQ capacity and bit width more flexible.

[0038] The interface protocol defined in the present invention is divided into three layers: physical layer (layer 1), link layer (layer 2), and application layer (layer 3). Interface model such as Image 6 shown.

[0039] The physical layer adopts optical fiber or cable transmission, and supports two transmission rates: 1.25Gbps (same level as CPRI's 1.2288Gbps), 2.5Gbps (same level as CPRI's 2.4576Gbps).

[0040] Physical layer functions include: providing IQ...

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PUM

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Abstract

The invention discloses a communication method of internal nodes of a base station and a method for automatically distributing and identifying the address of a radio frequency processing device, wherein, the communication method includes that S702, digital baseband signals of a chip form a first data packet by a transmitting terminal while the first data packet does not include signaling information; a plurality of first data packets and a common channel signaling form a second data packet by the transmitting terminal; a first identification which is used for identifying the boundary of the second data packet, a link private signaling, a remote radio frequency private signaling and a plurality of second data packets are arranged in sequence to form a third data packet by the transmitting terminal, and then a plurality of third data packets form a radio frame; S704, the transmitting terminal processes a first identification corresponding to the first third data packet of the radio frame to a second identification so as to be used for identifying the boundary of the radio frame, and at least one radio frame is sent to a receiving terminal; and S706, the receiving terminal receives the radio frame and resolves the radio frame according to the first identification and the second identification.

Description

technical field [0001] The present invention relates to the communication field, and more specifically, relates to a communication method for internal nodes of a base station and a method for automatically assigning and identifying addresses. Background technique [0002] The structure of a typical cellular communication system is as follows figure 1 As shown, a user equipment (User Equipment, referred to as UE) communicates with a system side device through wireless signal propagation on an air interface. The system side equipment includes a base station (Node B), a radio network controller (Radio Network Controller, RNC for short), and a core network (Core Network, CN for short). Wherein, RNC and Node B (Node B) form a radio network subsystem (RadioNetwork Subsystem, RNS for short). [0003] Wherein, the Node B can be divided into a digital processing part (or a baseband processing part) and a radio frequency processing part. Traditionally, Node B has an integrated desi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/08H04L12/56H04W8/26
Inventor 许俊文王志刚刘红军
Owner ZTE CORP