# US 2014/0153538 A1 · Method and apparatus for improving proximity service discovery in a wireless communication system

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- Number: US 2014/0153538 A1
- Document ID: US20140153538A1
- Status: Published application
- Kind: A1
- Application number: 14/092,660
- Filed: 2013-11-27
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Innovative Sonic Limited
- Applicants: Innovative Sonic Corporation
- Inventors: Richard Lee-Chee Kuo
- Web page: https://patentgrep.com/patent/US20140153538A1

## CPC

- H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal
- H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds}
- H04W 48/16: Discovering, processing access restriction or access information
- H04W 76/14: Direct-mode setup
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Methods and apparatuses are disclosed to allocating and handling peer discovery resources. One method includes a wireless network allocating multiple sets of peer discovery resources, wherein different sets of peer discovery resources are used by user equipments (UEs) to transmit/receive peer discovery signals for different uses. Another method includes UE receiving a configuration of peer discovery resources from a system information message of a cell, wherein the configuration contains multiple sets of peer discovery resources and different sets of peer discovery resources are used by the UE to receive peer discovery signals for different uses. The method further includes the UE determining which set of peer discovery resources to receive peer discovery signals. The method also includes the UE receiving the peer discovery signals at a set of peer discovery resources determined by the UE.

## Claims

### Claim 1

A method for allocating peer discovery resources, the method comprising:
allocating, by a wireless network, multiple sets of peer discovery resources, wherein different sets of peer discovery resources are used by user equipments (UEs) to transmit/receive peer discovery signals for different uses.

### Claim 2 (depends on 1)

The method of claim 1, wherein a configuration of the peer discovery resources is broadcast in a system information message of a cell.

### Claim 3 (depends on 1)

The method of claim 1, wherein two sets of peer discovery resources are used by UEs to transmit peer discovery signals for commercial use and social use.

### Claim 4 (depends on 1)

The method of claim 1, wherein each peer discovery signal contains an identity of a UE which transmits the peer discovery signal.

### Claim 5 (depends on 1)

The method of claim 1, wherein each peer discovery resource is defined by number of subcarriers in a frequency domain and number of orthogonal frequency divisional multiplexing (OFDM) symbols in time domain.

### Claim 6

A method for handling peer discovery resources, the method comprising:
receiving, by a user equipment (UE), a configuration of peer discovery resources from a system information message of a cell, wherein the configuration contains multiple sets of peer discovery resources and different sets of peer discovery resources are used by the UE to receive peer discovery signals for different uses;
determining, by the UE, which set of peer discovery resources to receive peer discovery signals; and
receiving, by the UE, the peer discovery signals at a set of peer discovery resources determined by the UE.

### Claim 7 (depends on 6)

The method of claim 6, wherein the UE determines which set of peer discovery resources to receive peer discovery signals according to a setting by upper layers.

### Claim 8 (depends on 6)

The method of claim 6, wherein two sets of peer discovery resources are used by UEs to transmit peer discovery signals for commercial use and social use.

### Claim 9 (depends on 6)

The method of claim 6, wherein the peer discovery signal contains an identity of a UE which transmits the peer discovery signal.

### Claim 10 (depends on 6)

The method of claim 6, wherein the peer discovery signal contains a service information indicating a service requested or offered by a UE which transmits the peer discovery signal.

### Claim 11

A communication device to handle peer discovery resources, the communication device comprising:
a control circuit;
a processor installed in the control circuit; and
a memory installed in the control circuit and operatively coupled to the processor,
wherein the processor is configured to execute a program code stored in memory to handle peer discovery resources by:
receiving a configuration of peer discovery resources from a system information message of a cell, wherein the configuration contains multiple sets of peer discovery resources and different sets of peer discovery resources are used by the communication device to receive peer discovery signals for different uses;
determining which set of peer discovery resources to receive peer discovery signals; and
receiving the peer discovery signals at a set of peer discovery resources determined by the communication device.

### Claim 12 (depends on 11)

The communication device of claim 11, wherein the communication device determines which set of peer discovery resources to receive peer discovery signals according to a setting by upper layers.

### Claim 13 (depends on 11)

The communication device of claim 11, wherein two sets of peer discovery resources are used by communication devices to transmit peer discovery signals for commercial use and social use.

### Claim 14 (depends on 11)

The communication device of claim 11, wherein the peer discovery signal contains an identity of a communication device which transmits the peer discovery signal.

### Claim 15 (depends on 11)

The communication device of claim 11, wherein the peer discovery signal contains a service information indicating a service requested or offered by a communication device which transmits the peer discovery signal.

### Claim 16

A method for handling peer discovery resources, the method comprising:
receiving, by a user equipment (UE), a configuration of peer discovery resources from a system information message of a cell, wherein the configuration contains multiple sets of peer discovery resources and different sets of peer discovery resources are used by the UE to transmit peer discovery signals for different uses;
determining, by the UE, which set of peer discovery resources to transmit a peer discovery signal; and
transmitting, by the UE, the peer discovery signal at a peer discovery resource in a set of peer discovery resources determined by the UE.

### Claim 17 (depends on 16)

The method of claim 16, wherein the UE determines which set of peer discovery resources to transmit a peer discovery signal according to a setting by upper layers.

### Claim 18 (depends on 16)

The method of claim 16, wherein two sets of peer discovery resources are used by UEs to transmit peer discovery signals for commercial use and social use.

### Claim 19 (depends on 16)

The method of claim 16, wherein the peer discovery signal contains an identity of the UE.

### Claim 20 (depends on 16)

The method of claim 16, wherein the peer discovery signal contains a service information indicating a service requested or offered by the UE.
