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Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchange

A technology of mobile communication system and packet transmission, which is applied in the field of packet transmission, and can solve problems such as the inability to effectively utilize the effect of statistical multiplexing

Inactive Publication Date: 2006-03-15
KOKUSA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there arises a problem that the statistical multiplexing effect cannot be effectively utilized

Method used

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  • Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchange
  • Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchange
  • Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchange

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Embodiment Construction

[0039] The best mode of carrying out the present invention when ATM transmission is used in a mobile communication system will now be described.

[0040] 1. Composition of the embodiment

[0041] Fig. 1 is a block diagram showing the constitution of a mobile communication system in a preferred embodiment of the present invention. In Fig. 1, the mobile communication system includes: a communication network 1, such as a transient network or a fixed telephone network; a switching center 2, which communicates between the communication network 1 and itself; a base station 3, which manages multiple cells; transmission lines L1, L2 for packet communication between switching center 2 and base station 3; and a plurality of mobile stations 41, 42, . . . Various methods such as a frame relay transmission method can be used for the transmission lines L1, L2. In this embodiment, the transmission lines L1, L2 transmit data stored in a packet using the ATM transmission method. The transmis...

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Abstract

When packet sending and receiving apparatus 21 sets a connection, timing control apparatus 22 generates a timing information Tf as the packet is dispersed equivalently. Timing control apparatus 22 notices the timing information Tf to packet sending and receiving apparatus 21 and base station 3. Packet sending and receiving apparatus 21 carries out a packet generating processing in accordance with a frame offset value which is indicated by the timing information Tf. Therefore, the packets in which a packet transmission timing is averaged in a packet transmission period arrives to packet multiplex apparatus 23. Consequently, it is possible to decrease a waiting time of the packet multiplex transmission. Therefore, it is possible to use efficiency a transmission link L1, while being satisfied the required service quality.

Description

technical field [0001] The present invention relates to a packet transmission method, a packet transmission device, a radio frame transmission method, a mobile communication method, a mobile communication system and a switching center, all of which are suitable for use in a network consisting of a plurality of connections Multiplexing of packets onto a common transmission line for a group of connections. Background technique [0002] In data communications, a method of packet transmission is conventionally known for multiplexing and sending data packets from a set of connections onto a transmission line common to the connections. In the conventional packet transmission method, control is performed as follows. First, a test is performed to determine whether the transmission line has free bandwidth. Subsequently, if the transmission line has free bandwidth, the packet is sent directly. However, if the data line does not have free bandwidth due to the transmission of other p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04J3/06H04L47/43H04L47/629H04W56/00H04W72/04
CPCH04W28/10H04J3/0632H04W92/12H04W72/1278H04W72/20
Inventor 川上博田村基佐藤隆明
Owner KOKUSA ELECTRIC CO LTD
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