Synchronous dispatching method and synchronous dispatching device
A technology of synchronous scheduling and synchronous sequence, applied in the field of communication, can solve problems such as business data loss and damage to service reception quality, and achieve the effects of preventing overflow, avoiding loss, and avoiding uneven resource allocation
Active Publication Date: 2010-06-16
ZTE CORP
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[0015] Considering that the current scheduling method in the related art causes the loss of service data and seriously damages the quality of service reception, the present invention is proposed. For this reason, the present invention The main purpose is to provide a synchronous scheduling method to solve the above problems
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[0055] The upper-layer network element can schedule the data packets in the following way to set the time stamp information of each data packet: the upper-layer network element identifies the time stamp according to the moment it receives the service data packet, and Service data packets received within a length time interval identify the same time stamp, wherein a specific length time interval is called a synchronization sequence length (synchronization sequence length), or a scheduling period.
[0056] The synchronization sequence of the specified service sent by the lower-layer network element to the upper-layer network element can be calculated according to the TDM cycle length configured for the specified service and the synchronization sequence length information of the upper-layer network element. The length of the scheduled transmission time interval is The common multiple of the TDM cycle length and the synchronization sequence length of the upper-layer network element...
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The invention discloses a synchronous dispatching method and a synchronous dispatching device. The method comprises that: a lower network element acquires a plurality of synchronous sequences of specified services belonging to an upper network element, wherein the upper network element processes data packets of the specified services according to the lengths of the synchronous sequences and sends the plurality of synchronous sequences to the lower network element, and the synchronous sequences are a group of data packets with the same time stamp information; the lower network element determines a dispatching transmission time interval according to the lengths of the synchronous sequences and the time division complexing period of the specified services, wherein the dispatching transmission time interval is the common multiple of the time division complexing period and the lengths of the synchronous sequences, and the time division complexing period of the specified services is one integral multiple of a wireless interface connecting frame number period; and for the synchronous sequences of which the time stamp information is positioned in the synchronous sequence of the current dispatching transmission time interval, the lower network element sends the time stamp information in the available sending time of the time division complexing period of the specified dispatching transmission time interval. The method and the device prevent the synchronous sequences of the services from overflowing, and avoid the loss of the service data.
Description
technical field [0001] The present invention relates to the communication field, in particular to a method and device for synchronous scheduling. Background technique [0002] With the rapid development of the Internet network, a large number of multimedia services have emerged, and people's demand for mobile communications is no longer satisfied with telephone and message services. At present, application services have been introduced into multimedia services. The feature of application services is that multiple users can simultaneously Receive the same data, such as video on demand, TV broadcast, video conferencing, online education, interactive games, etc. [0003] In order to effectively utilize mobile network resources, a Multimedia Broadcast Multicast Service (MBMS) technology is proposed. MBMS is a point-to-multipoint service in which one data source sends data to multiple users. Through this service, it is possible to Realize network resource sharing, including the ...
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IPC IPC(8): H04L12/56H04L29/06
CPCH04W72/005H04W72/0433H04W72/12H04W72/29H04W72/30
Inventor 艾建勋翟恒星
Owner ZTE CORP