IP Library Granted Patent US 9,596,588
Granted Patent B1
US 9,596,588 · App. 14/090,306 · Granted Mar 14, 2017

CQI verification for a roaming WCD

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Quick Facts
Patent No.
US 9,596,588
App. No.
14/090,306
Granted
Mar 14, 2017
Kind
B1
Abstract

A Mobility Management Entity (MME) of a wireless network and verification method for verifying a Channel Quality Indicator (CQI) of a roaming Wireless Communication Device (WCD) are provided. The MME in one example includes an interface configured to receive a roaming request of the roaming WCD and a processing system coupled to the interface. The processing system is configured to obtain a home CQI of the roaming WCD, compare the home CQI to a contract-stipulated CQI for the roaming WCD, and use the contract-stipulated CQI for the roaming WCD if the home CQI differs from the contract-stipulated CQI.

Claims (30)

1. A Mobility Management Entity (MME) of a wireless network configured to verify a Channel Quality Indicator (CQI) of a roaming Wireless Communication Device (WCD), comprising:

an interface configured to receive a roaming request of the roaming WCD; and

a processing system coupled to the interface, with the processing system configured to receive a roaming request of the roaming WCD, obtain a home CQI of the roaming WCD, compare the home CQI to a contract-stipulated CQI for the roaming WCD, use the contract-stipulated CQI for the roaming WCD if the home CQI differs from the contract-stipulated CQI, and inform an Element Management System (EMS) of the wireless network of the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

2. The MME of claim 1 , with the processing system further configured to receive the roaming request of the roaming WCD via a wireless access node of the wireless network.

3. The MME of claim 1 , with the processing system further configured to obtain the home CQI from a Home Subscriber Server (HSS) of a second wireless network through a second MME of the second wireless network.

4. The MME of claim 1 , with the processing system further configured to contact the HSS through a second MME of a second wireless network, wherein the second wireless network has a roaming contract with the wireless network.

5. The MME of claim 1 , with the processing system further configured to record the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

6. The MME of claim 1 , with the processing system further configured to, if the home CQI differs from the contract-stipulated CQI, transfer the contract-stipulated CQI to the roaming WCD and request the roaming WCD use the contract-stipulated CQI while roaming in the wireless network.

7. A Channel Quality Indicator (CQI) verification method for receiving a roaming Wireless Communication Device (WCD) in a wireless network, comprising:

in a Mobility Management Entity (MME) of the wireless network, receiving a roaming request of a roaming WCD;

in the MME, obtaining a home CQI of the roaming WCD;

in the MME, comparing the home CQI to a contract-stipulated CQI for the roaming WCD;

in the MME, if the home CQI differs from the contract-stipulated CQI, using the contract-stipulated CQI for the roaming WCD; and

in the MME, informing an Element Management System (EMS) of the wireless network of the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

8. The method of claim 7 , with receiving the roaming request of the roaming WCD comprising receiving the roaming request via a wireless access node of the wireless network.

9. The method of claim 7 , with obtaining the home CQI further comprising obtaining the home CQI from a Home Subscriber Server (HSS) of a second wireless network through a second MME of the second wireless network.

10. The method of claim 7 , with the HSS being contacted through a second MME of a second wireless network, wherein the second wireless network has a roaming contract with the wireless network.

11. The method of claim 7 , further comprising recording the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

12. The method of claim 7 , wherein in the MME, if the home CQI differs from the contract-stipulated CQI, transferring the contract-stipulated CQI to the roaming WCD and requesting the roaming WCD use the contract-stipulated CQI while roaming in the wireless network.

13. A Channel Quality Indicator (CQI) verification method for receiving a roaming Wireless Communication Device (WCD) in a wireless network, comprising:

in a Mobility Management Entity (MME) of the wireless network, receiving a roaming request of a roaming WCD;

in the MME, obtaining a home CQI of the roaming WCD;

in the MME, comparing the home CQI to a contract-stipulated CQI for the roaming WCD;

in the MME, if the home CQI differs from the contract-stipulated CQI, transferring the contract-stipulated CQI to the roaming WCD; and

in the MME, requesting that the roaming WCD use the contract-stipulated CQI while roaming in the wireless network.

14. The method of claim 13 , with receiving the roaming request of the roaming WCD comprising receiving the roaming request via a wireless access node of the wireless network.

15. The method of claim 13 , with obtaining the home CQI further comprising obtaining the home CQI from a Home Subscriber Server (HSS) of a second wireless network through a second MME of the second wireless network.

16. The method of claim 13 , with the HSS being contacted through a second MME of a second wireless network, wherein the second wireless network has a roaming contract with the wireless network.

17. The method of claim 13 , further comprising recording the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

18. The method of claim 13 , further comprising informing an Element Management System (EMS) of the wireless network of the occurrence of a mis-match between the home CQI and the contract-stipulated CQI.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Aug 23, 2022
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: IBSV LLC; LAYER3 TV, LLC; PUSHSPRING, LLC; T-MOBILE CENTRAL LLC; T-MOBILE USA, INC.; ASSURANCE WIRELESS USA, L.P.; BOOST WORLDWIDE, LLC; CLEARWIRE COMMUNICATIONS LLC; CLEARWIRE IP HOLDINGS LLC; SPRINTCOM LLC; SPRINT COMMUNICATIONS COMPANY L.P.; SPRINT INTERNATIONAL INCORPORATED; SPRINT SPECTRUM LLC
Reel/Frame 062595/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2021
From: SPRINT COMMUNICATIONS COMPANY L.P.
To: T-MOBILE INNOVATIONS LLC
Reel/Frame 055604/0001 →
TERMINATION AND RELEASE OF FIRST PRIORITY AND JUNIOR PRIORITY SECURITY INTEREST IN PATENT RIGHTS Recorded Apr 2, 2020
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: SPRINT COMMUNICATIONS COMPANY L.P.
Reel/Frame 052969/0475 →
SECURITY AGREEMENT Recorded Apr 2, 2020
From: T-MOBILE USA, INC.; ISBV LLC; T-MOBILE CENTRAL LLC; LAYER3 TV, INC.; PUSHSPRING, INC.; BOOST WORLDWIDE, LLC; CLEARWIRE COMMUNICATIONS LLC; CLEARWIRE IP HOLDINGS LLC; CLEARWIRE LEGACY LLC; SPRINT COMMUNICATIONS COMPANY L.P.; SPRINT INTERNATIONAL INCORPORATED; SPRINT SPECTRUM L.P.; ASSURANCE WIRELESS USA, L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 053182/0001 →
GRANT OF FIRST PRIORITY AND JUNIOR PRIORITY SECURITY INTEREST IN PATENT RIGHTS Recorded Mar 6, 2017
From: SPRINT COMMUNICATIONS COMPANY L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 041895/0210 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 26, 2013
From: VELUSAMY, SARAVANA; RAMAMURTHY, SURYANARAYANAN; UDDIN, MUNAWAR; MOHAN, DAVID
To: SPRINT COMMUNICATIONS COMPANY L.P.
Reel/Frame 031678/0606 →