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Self-adapting method and apparatus for far-end equipment transmission rate

A remote device and transmission rate technology, applied in the field of communication, can solve problems affecting normal data transmission and reception, inflexible solutions, etc., and achieve reliable operation and easy implementation

Active Publication Date: 2009-05-27
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a method and device for self-adaptive RE transmission rate to overcome the problems of inflexibility and affecting normal data transmission and reception in existing solutions

Method used

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  • Self-adapting method and apparatus for far-end equipment transmission rate
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  • Self-adapting method and apparatus for far-end equipment transmission rate

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Embodiment Construction

[0025] The core of the present invention is that the slave device requests the master device to reduce or increase the sending rate by comparing the master device rate with its own rate maximum threshold according to the master device's sending rate. Among them, the master device is BBU or RE, and the slave device is the next-level RE of the master device. For example, if the master device is a BBU, then the slave device is the first-level RE, and if the master device is the first-level RE, then the slave device is a second level RE, and so on. by figure 1 Taking the third group of REs as an example, BBU and RE1000, RE1000 and RE1001, RE1001 and RE1002 are three groups of master devices and slave devices respectively.

[0026] see Figure 4 , is a flow chart of the method of the present invention, including:

[0027] Step 401: The slave device receives data from the master device, and obtains the current rate of the master device;

[0028] Step 402: The slave device compar...

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Abstract

The invention discloses a self-adaptation method for remote equipment transmission rate comprising: receiving data from upper level primary device to acquire present rate of primary device; comparing maximum threshold of present rate and rate of slave device; if the two thresholds are equal, the slave device set self rate to be identical with that of primary device; if present rate is bigger than maximum threshold of slave device rate, the slave device request the primary device for reducing rate; if the present rate is less than maximum threshold of slave device rate, slave device request the primary device to promote rate. The invention can be agilely implemented and guarantee reliable operation for communication system. The invention also provides a self-adaptation device for rate of remote device and a device for controlling rate self-adaptation of remote device.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and a device for adapting the transmission rate of remote equipment in the design of a base station (Node B) of a communication system. Background technique [0002] In the communication system, due to the requirements of the system structure, the wireless base station is composed of a local baseband unit (BaseBand Unit, BBU) and several remote equipment (Remote Equipment, RE). Normally, the BBU is connected to the first-level RE, the first-level RE is connected to the second-level RE, and so on. REs are directly or indirectly connected to the local BBU through optical fibers or cables. There are various topologies for connecting REs to BBUs. For details, see figure 1 , multiple REs are simply serially or point-to-point connected to the BBU, where RE10, RE100, and RE1000 are first-level REs, RE101, RE1001 are second-level REs, and RE1002 is a third-level RE. see ...

Claims

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Application Information

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IPC IPC(8): H04W28/22H04W88/08H04B7/26
Inventor 邓舒勇汤国东
Owner DATANG MOBILE COMM EQUIP CO LTD
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