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Signal strength measurement method and device

A signal strength measurement and signal strength technology, applied in the field of mobile communications, can solve the problems of low link utilization, inability to guarantee, and low system reliability, and achieve the effects of improving utilization, improving system reliability, and improving service quality.

Active Publication Date: 2017-08-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] Whether it is mode A or mode B, it cannot guarantee that the ProSe UE-to-Network relay will continue to send messages to the Remote UE after establishing a connection with the Remote UE (Announcement message in Mode A, Response message in Mode B), then, in After the ProSe UE-to-Network relay establishes a connection with the Remote UE, the Remote UE can no longer measure the signal strength of the PC5 link. Even if the signal strength of the current PC5 link is weak, the Remote UE cannot know it, and it is impossible to reselect another ProSe UE-to-Network relay access, resulting in poor network quality accepted by the Remote UE, which affects the use of the network by the Remote UE. Even if there is a ProSe UE-to-Network relay that can provide strong signal strength, the Remote UE cannot Access, link utilization is low, and the overall network planning is unreasonable, which also leads to low system reliability

Method used

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  • Signal strength measurement method and device

Examples

Experimental program
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Effect test

example 1

[0371] See Figure 8 .

[0372] 1. The ProSe UE-to-NW Relay broadcasts an Announcement message, and the Announcement message carries a first indication of whether the ProSe UE-to-NW Relay can accept the Remote UE. That is, the Announcement message is the first message.

[0373] 2. After receiving the Announcement message, the Remote UE establishes a connection with the ProSe UE-to-NW Relay.

[0374] 3. The Remote UE continuously monitors the Announcement message sent by the ProSe UE-to-NW Relay currently providing the relay service. The Announcement message at this time is the second message, that is, in Example 1, the first message is the same as the second message.

[0375] Wherein, the Remote UE can determine the sender of the Announcement message through the ProSe UE ID carried in the Announcement message, or can also determine the sender of the Announcement message in combination with the RelayService Code and ProSe UE ID carried in the Announcement message.

[0376] ...

example 2

[0387] See Figure 9 .

[0388] 1. The ProSe UE-to-NW Relay broadcasts the Announcement message carrying the Relay Service Code. Namely the first message.

[0389] 2. After receiving the Announcement message, the Remote UE establishes a connection with the ProSe UE-to-NW Relay.

[0390] 3. The ProSe UE-to-NW Relay sends an unsolicited message (Unsolicited message) to the Remote UE, and the Unsolicited message carries the Relay Reference Code or the ProSe UE ID. That is, the Unsolicited message is to inform the Remote UE of the Relay Reference Code or the ProSe UE ID.

[0391] Wherein, the ProSe UE ID may be an identifier allocated for itself by the ProSe UE-to-NW Relay after establishing a connection with the Remote UE, and is used to identify itself in the second message. At this time, the ProSe UE-to-NW Relay only needs to send a second message to be used for all Remote UE measurements it serves; the ProSe UE ID that identifies the ProSe UE-to-NW Relay in the second messag...

example 3

[0413] See Figure 10 . Wherein, Step 1-Step 3, and Step 7-Step 8 of Example 3 can refer to Example 2, and will not be described repeatedly.

[0414] 4. After receiving the Relay Reference Code, the Remote UE starts to monitor the message carrying the Relay Reference Code broadcast by the ProSeUE-to-NW Relay currently providing the relay service, that is, starts to monitor the second message.

[0415] That is, after the Remote UE receives the Relay Reference Code, it does not monitor the first message any more.

[0416] 5. The ProSe UE-to-NW Relay checks whether other Remote UEs can be accepted. If yes, broadcast the Announcement message carrying the Relay Service Code and the message carrying the Relay Reference Code at the same time, that is, broadcast the first message and the second message at the same time, that is, at the same time Execute Step 6a and Step 6b. If no other Remote UE can be accepted, the ProSe UE-to-NW Relay may stop broadcasting the Announcement messag...

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Abstract

The present invention relates to the technical field of mobile communications, and in particular to a signal strength measurement method and device, which can ensure that a Remote UE measures the signal strength of a link between the Remote UE and a ProSe UE-to-NW Relay. In the embodiments of the present invention, after establishing a connection with a remote device, a relay device can also send a second message, and thus the remote device can measure the signal strength of a link between the remote device and the relay device after receiving the second message, that is, after the connection is established between the remote device and the relay device, the relay device can also continue to send the second message, so that the remote device can continue to measure the signal strength between the remote device and the relay device, so as to serve as a basis for determining whether to re-select the relay device, thereby ensuring that the remote device can obtain a good quality of service, improving the utilization rate of a link with a higher quality, and also improving the system reliability.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method and equipment for measuring signal strength. Background technique [0002] The Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN), which has not been evolved, directly provides user equipment (User Equipment, UE) with network services, and can use device-to-device (device-to-device) device (D2D) technology discovers and connects to UEs that provide relay services. UEs that provide relay services are also called ProSe UE-to-NW Relay (ProSe UE-to-NW Relay). In this way, E-UTRAN Directly served UEs can obtain network services provided by E-UTRAN through relay. The UE receiving this relay service is also called remote user equipment (Remote UE). [0003] See figure 1 , is a schematic diagram of the remote device receiving the network service provided by the E-UTRAN through the relay device. From figure 1 It can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/30H04W48/10H04W40/22H04W4/80H04W76/14
CPCH04W48/10H04W40/22H04W36/165H04W36/304H04W24/00H04W8/005H04W88/04H04W4/80H04W76/14H04L67/51H04B17/318H04W24/08
Inventor 窦凤辉金辉欧阳国威衣强
Owner HUAWEI TECH CO LTD
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