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EURASIP Journal on Wireless Communications and Networking

Table 1 An example of k-TAS with i = 3

From: Adaptive collision resolution for efficient RFID tag identification

Time

Reader side

RS X (tag X)

RS W (tag W)

RS Y (tag Y)

RS Z (tag Z)

1

Start

00000001

001011

00000001

010100

00000001

001000

00000010

111101

Reader receives 000000xxxxxxxx

2

Query and 000

00000010

011

00000100

100

00000010

000

 

Reader receives 00000xx0xxx

3

Query and 000001

00001000

 

00000001

 

Reader receives 0000x00x

4

Query and 000001000

  

Response

 

Reader identifies tag Y

5

Query and 000001011

Response

   

Reader identifies tag X

6

Query and 000010

 

Response

  

Reader identifies tag W

7

Query and 001

   

Response

Reader identifies tag Z

  1. *x means the positions of collided bits among received RS j .
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