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Method and apparatus for minimizing traffic in two-way wireless messaging system

A technology for message, message transmission, applied in the direction of wireless communication, selection device, radio/induction link selection arrangement, etc.

Inactive Publication Date: 2003-03-26
GOOGLE TECH HLDG LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A system with many subscriber units can easily bog down a system with unnecessary registration traffic
In addition, the scheme of repeatedly sending to the subscriber unit is also ineffective and will cause unnecessary traffic

Method used

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  • Method and apparatus for minimizing traffic in two-way wireless messaging system
  • Method and apparatus for minimizing traffic in two-way wireless messaging system
  • Method and apparatus for minimizing traffic in two-way wireless messaging system

Examples

Experimental program
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Embodiment Construction

[0021] The present invention ideally reduces the number of overhead transmissions often used in a two-way targeted messaging system. Additional transmissions include system-wide "WRU" requests sent by a system to a subscriber unit, registration transmissions sent by a subscriber unit to the system to let the system know where the subscriber unit is currently located, and transmissions that are not acknowledged Unnecessary retransmissions made. Like this, in several different embodiments, the present invention will be described with respect to a system controller alone, with respect to a subscriber unit alone and with regard to the situation that the system controller and subscriber unit cooperate to work, described sending and receiving system to a non-real-time messaging system A method by which a subscriber unit directs the delivery of messages.

[0022] Referring to FIG. 1, a block diagram of a communication system 200 includes a fixed portion 202 and a portable portion 20...

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PUM

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Abstract

A non-real time messaging system (200) for targeting messages to a subscriber unit (222) comprises a synchronized profile of where a subscriber unit should be located (a predetermined base transmission area for transmission of messages to the subscriber unit) maintained between a controller (212) and the subscriber unit. The subscriber unit detects when the subscriber unit is not within the receiving range of a predetermined base transmission area, informs the controller and the controller directs subsequent transmissions to an area identified by the subscriber unit and otherwise transmits subsequent messages to the predetermined base transmission area. The system further includes a plurality of base receivers (217) coupled to the controller for receiving transmissions from the subscriber units and allowing the controller to detect when the subscriber unit is not within the receiving range of a predetermined base transmission area.

Description

technical field [0001] The present invention relates generally to a two-way communication system, and more particularly to efficient targeted messaging in a non-real-time system. Background technique [0002] The advent of two-way messaging has created many new problems. In order to understand some of these issues, it may be useful to know something about two-way paging or messaging from a system level. In particular, a two-way paging or messaging system typically has an infrastructure system that includes a plurality of output transmitters connected to a controller for routing over the air to multiple receivers with selective calls. Encoding, batching and scheduling of message transmissions to portable two-way subscriber units of the Subscriber units not considered to be part of the infrastructure also send incoming messages, which are received by at least one of a plurality of station receivers connected to the controller. Preferably, the controller can correlate output...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W84/02H04W88/18
CPCH04W84/022H04W88/185
Inventor 特伦斯·爱德华·萨姆纳托马斯·凯西·希尔托马斯·V·达米科王众和林志翰阿兰·C·布莱恩肯萨米尔·索沃亚史蒂文·J·戈德堡
Owner GOOGLE TECH HLDG LLC