# US 2014/0192661 A1 · Schedule rate of synchronization channel (sch) base station identity code (bsic)

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- Number: US 2014/0192661 A1
- Document ID: US20140192661A1
- Status: Published application
- Kind: A1
- Application number: 13/737,738
- Filed: 2013-01-09
- Published: 2014-07-10
- Earliest claimed: 2013-01-09
- Assignees: QUALCOMM Incorporated
- Applicants: Qualcomm Incorporated
- Inventors: Ming Yang; Tom Chin; Yan Ming Wang; Guangming Shi
- Web page: https://patentgrep.com/patent/US20140192661A1

## CPC

- H04W 36/0088: {Scheduling hand-off measurements}
- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 52/0245: {according to signal strength}
- H04W 36/1443: {between licensed networks}
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

The scheduling rate of the synchronization channel (SCH) base station identity code (BSIC) is adapted based on target cell signal metric such as, the signal quality and/or signal strength. The scheduling rate is decreased when the target cell metric is below a first threshold value and is increased when the target cell metric is above a second threshold value. The scheduling rate may also be adapted based on a serving cell signal metric.

## Claims

### Claim 1

A method of wireless communication during an inter-radio access technology (IRAT) base station identity code (BSIC) measurement, comprising:
adapting a schedule rate for a base station identity code (BSIC) based on a target radio access technology (RAT) signal metric.

### Claim 2 (depends on 1)

The method of claim 1, in which the signal metric comprises signal quality and/or signal strength.

### Claim 3 (depends on 1)

The method of claim 1, in which the adapting comprises increasing the schedule rate when the target RAT signal metric is above a first threshold value.

### Claim 4 (depends on 1)

The method of claim 1, in which the adapting comprises decreasing the schedule rate when the target RAT signal metric is below a second threshold value.

### Claim 5 (depends on 1)

The method of claim 1, further comprising adapting the schedule rate based on a serving RAT signal metric.

### Claim 6 (depends on 5)

The method of claim 5, in which the adapting comprises increasing the schedule rate when the serving RAT signal metric is below a threshold value.

### Claim 7 (depends on 5)

The method of claim 5, in which the adapting comprises decreasing the schedule rate when the serving RAT signal metric is above a threshold value.

### Claim 8 (depends on 5)

The method of claim 5, further comprising determining a difference between the target RAT signal metric and the serving RAT signal metric, and
adapting the schedule rate by increasing the schedule rate when the difference is above a threshold value and decreasing the schedule rate when the difference is below a threshold value.

### Claim 9 (depends on 1)

The method of claim 1, in which the adapting comprising adapting the schedule rate based on static free idle time slots allocated by a serving RAT.

### Claim 10 (depends on 1)

The method of claim 1, further comprising comparing the target RAT signal metric to a predefined threshold value indicted by a network, in which the predefined threshold value includes a predefined margin value; and
adapting the schedule rate based on the comparison.

### Claim 11 (depends on 10)

The method of claim 10, in which different serving RAT cells have different predefined threshold values based on a difference in cell location.

### Claim 12 (depends on 10)

The method of claim 10, in which serving RAT cells comprise different predefined thresholds based on a call type, and in which the call type comprises a voice call, dedicated channel (DCH) data call, and a high speed (HS) data calls.

### Claim 13

An apparatus for wireless communication during an inter-radio access technology (IRAT) base station identity code (BSIC) measurement, comprising:
a memory; and
at least one processor coupled to the memory, the at least one processor being configured:
to adapt a schedule rate for a base station identity code (BSIC) based on a target radio access technology (RAT) signal metric.

### Claim 14 (depends on 13)

The apparatus of claim 13, in which the signal metric comprises signal quality and/or signal strength.

### Claim 15 (depends on 13)

The apparatus of claim 13, in which the at least one processor is further configured to adapt by increasing the schedule rate when the target RAT signal metric is above a first threshold value.

### Claim 16 (depends on 13)

The apparatus of claim 13, in which the at least one processor is further configured to adapt by decreasing the schedule rate when the target RAT signal metric is below a second threshold value.

### Claim 17 (depends on 13)

The apparatus of claim 13, in which the at least one processor is further configured to adapt the schedule rate based on a serving RAT signal metric.

### Claim 18 (depends on 17)

The apparatus of claim 17, in which the at least one processor is further configured to adapt by increasing the schedule rate when the serving RAT signal metric is below a threshold value.

### Claim 19 (depends on 17)

The apparatus of claim 17, in which the at least one processor is further configured to adapt by decreasing the schedule rate when the serving RAT signal metric is above a threshold value.

### Claim 20 (depends on 17)

The apparatus of claim 17, in which the at least one processor is further configured to determine a difference between the target RAT signal metric and the serving RAT signal metric; and to adapt the schedule rate by increasing the schedule rate when the difference is above a threshold value and by decreasing the schedule rate when the difference is below a threshold value.

### Claim 21 (depends on 13)

The apparatus of claim 13, in which the at least one processor is further configured to adapt the schedule rate based on static free idle time slots allocated by a serving RAT.

### Claim 22 (depends on 13)

The apparatus of claim 13, is further configured to compare the target RAT signal metric to a predefined threshold value indicted by a network, in which the predefined threshold value includes a predefined margin value; and
to adapt the schedule rate based on the comparison.

### Claim 23 (depends on 13)

The apparatus of claim 13, in which different serving RAT cells have different predefined threshold values based on a difference in cell location.

### Claim 24 (depends on 13)

The apparatus of claim 13, in which serving RAT cells comprise different predefined thresholds based on a call type, and in which the call type comprises a voice call, dedicated channel (DCH) data call, and a high speed (HS) data calls.

### Claim 25

A computer program product for wireless communication during an inter-radio access technology (IRAT) base station identity code (BSIC) measurement, comprising:
a non-transitory computer-readable medium having non-transitory program code recorded thereon, the program code comprising:
program code to adapt a schedule rate for a base station identity code (BSIC) based on a target radio access technology (RAT) signal metric.

### Claim 26

An apparatus for wireless communication during an inter-radio access technology (IRAT) base station identity code (BSIC) measurement, comprising:
means for adapting a schedule rate for a base station identity code (BSIC) based on a target radio access technology (RAT) signal metric; and
means for decoding in accordance with the adapted schedule rate.
