Method and device for allocating resource location with frequency hopping function
The disclosure provides a method and device for allocating a resource location with a frequency hopping function. The method includes: an uplink bandwidth of a Long Term Evolution (LTE) communication system is acquired; it is determined whether frequency hopping information needs to be allocated to uplink continuous frequency-domain resource location information in a multi-antenna port transmission mode, and when the frequency hopping information needs to be allocated, a length of a resource location and frequency hopping bit indicator and a length of frequency-domain resource location information are obtained according to the uplink bandwidth; a difference Value_D between the length of the resource location and frequency hopping bit indicator and the length of the frequency-domain resource location information is calculated; and frequency hopping information is allocated to the frequency-domain resource location information according to the difference Value_D. With the technical solution of the disclosure, allocation of frequency-domain resource location information with a frequency hopping function in a multi-port transmission mode can be supported.
1. A method for allocating a resource location with a frequency hopping function, comprising:
acquiring, by an equipment, an uplink bandwidth of a Long Term Evolution (LTE) communication system;
determining, by the equipment, whether frequency hopping information needs to be allocated to uplink continuous frequency-domain resource location information in a multi-antenna port transmission mode, and when the frequency hopping information needs to be allocated, obtaining a length of a resource location and frequency hopping bit indicator and a length of frequency-domain resource location information according to the uplink bandwidth;
calculating, by the equipments, a difference Value_D between the length of the resource location and frequency hopping bit indicator and the length of the frequency-domain resource location information;
allocating, by the equipment, frequency hopping information to the frequency-domain resource location information according to the difference Value_D;
incorporating the frequency hopping information and the frequency-domain resource location information into downlink control information, and issuing to a terminal the downlink control information for instructing the terminal to transmit data information;
wherein the allocating frequency hopping information to the frequency-domain resource location information according to the difference Value_D comprises:
when Value_D=0, disabling frequency hopping;
when Value_D=1, disabling frequency hopping, and setting an extra 1 bit to 0 or 1;
when Value_D=2 and the uplink bandwidth is no less than 6 and no greater than 49, setting a frequency hopping enable indicator using 1 bit and setting a frequency hopping type indicator using other 1 bit;
when Value_D=2 and the uplink bandwidth is no less than 50 and no greater than 110, disabling frequency hopping;
when Value_D=3 and the uplink bandwidth is no less than 6 and no greater than 49, setting a frequency hopping enable indicator using 1 bit and a frequency hopping type indicator using other 2 bits, or setting a frequency hopping enable indicator using 2 bits and a frequency hopping type indicator using other 1 bit; and
when Value_D=3 and the uplink bandwidth is no less than 50 and no greater than 110, setting a frequency hopping enable indicator using 1 bit and setting a frequency hopping type indicator using other 2 bits.
2. The method according to claim 1 , wherein the frequency-domain the resource location information is placed at a Most Significant Bit (MSB) of the control information or at a Least Significant Bit (LSB) of the control information; and bit information of indicating frequency hopping enabled is before bit information of indicating a frequency hopping type.
3. The method according to claim 1 , wherein the obtained length of the resource location and frequency hopping bit indicator is equal to
⌈
log
2
(
(
⌈
N
RB
UL
/
P
+
n
⌉
4
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)
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or
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log
2
(
(
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N
RB
UL
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P
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,
where n represents an integer greater than 0, N RB UL represents the uplink bandwidth, P represents a size of a Resource Block Group (RBG) and a value of P depends on the uplink bandwidth.
4. A device for allocating a resource location with a frequency hopping function, comprising at least one processor and a memory coupled to the at least one processor, wherein the at least one processor is configured to:
acquire an uplink bandwidth of a Long Term Evolution (LTE) communication system;
determine whether frequency hopping information needs to be allocated to uplink continuous frequency-domain resource location information in a multi-antenna port transmission mode of a user equipment, and when the frequency hopping information needs to be allocated, obtain a length of a resource location and frequency hopping bit indicator and a length of frequency-domain resource location information according to the uplink bandwidth;
calculate a difference Value_D between the length of the resource location and frequency hopping bit indicator and the length of the frequency-domain resource location information;
allocate frequency hopping information to the frequency-domain resource location information according to the difference Value_D; incorporate the frequency hopping information and the frequency-domain resource location information into downlink control information, and issue the downlink control information to a terminal for instructing the terminal to transmit data information;
wherein the allocating frequency hopping information to the frequency-domain resource location information according to the difference Value_D comprises:
when Value_D=0, disable frequency hopping;
when Value_D=1, disable frequency hopping, and set an extra 1 bit to 0 or 1;
when Value_D=2 and the uplink bandwidth is no less than 6 and no greater than 49, set a frequency hopping enable indicator using 1 bit and set a frequency hopping type indicator using other 1 bit;
when Value_D=2 and the uplink bandwidth is no less than 50 and no greater than 110, disable frequency hopping;
when Value_D=3 and the uplink bandwidth is no less than 6 and no greater than 49, set a frequency hopping enable indicator using 1 bit and a frequency hopping type indicator using other 2 bits, or set a frequency hopping enable indicator using 2 bits and a frequency hopping type indicator using other 1 bit; and
when Value_D=3 and the uplink bandwidth is no less than 50 and no greater than 110, set a frequency hopping enable indicator using 1 bit and set a frequency hopping type indicator using other 2 bits.
5. The device according to claim 4 , wherein the frequency-domain resource location information is placed at a Most Significant Bit (MSB) of the control information or at a Least Significant Bit (LSB) of the control information; and bit information of indicating frequency hopping enabled is before bit information of indicating a frequency hopping type.
6. The device according to claim 4 , wherein the length of the resource location and frequency hopping bit indicator obtained through calculation by the information determination unit is equal to
⌈
log
2
(
(
⌈
N
RB
UL
/
P
+
n
⌉
4
)
)
⌉
or
⌈
log
2
(
(
⌈
N
RB
UL
/
P
⌉
+
n
4
)
)
⌉
,
where n represents an integer greater than 0, N RB UL represents the uplink bandwidth, P represents a size of a Resource Block Group (RBG) and a value of P depends on the uplink bandwidth.