1. A method of transmitting multicast broadcast service (MBS) data in an MBS transmitting apparatus, the method comprising:
allocating subbands of an MBS transmission carrier to an MBS region and a non-MBS region;
generating region allocation information of the MBS region and the non-MBS region;
allocating subbands, allocated to the MBS region, to at least one MBS zone;
generating MBS zone allocation information of the at least one MBS zone;
transmitting the region allocation information and the MBS zone allocation information;
transmitting the MBS data through the subbands allocated to the MBS region;
generating multi-input multi-output (MIMO) region allocation information for the MIMO region; and
transmitting the MIMO region allocation information to an MBS receiving apparatus,
wherein the region allocation information indicates whether each subband is allocated to the MBS region or allocated to the non-MBS region, the region allocation information is broadcast through a system information message,
the MBS zone allocation information is broadcast through an MBS-specific message,
the MIMO region allocation information is broadcast through the system information message,
the MBS transmission carrier corresponds to an MBS dedicated carrier,
the non-MBS region corresponds to an unused region,
the dedicated carrier is temporally divided for every superframe,
the dedicated carrier is divided into a plurality of subbands on a frequency axis,
the MBS region is divided into multiple MBS zones on the frequency axis, and
an MBS map is transmitted at the beginning of an MBS scheduling interval.
2. The method of claim 1, wherein the region allocation information comprises a first bitmap including bits corresponding to the subbands, and
each bit of the first bitmap indicates whether a corresponding subband is allocated either to the MBS region or to the non-MBS region.
3. The method of claim 2, wherein the MBS zone allocation information comprises a second bitmap including bits corresponding to remaining subbands not a first subband among the subbands allocated to the MBS region, and
each bit of the second bitmap indicates whether a corresponding subband is allocated to a same MBS region as that allocated by a previous subband.
4. The method of claim 3, wherein the MBS transmission carrier corresponds to a mixed carrier for MBS and non-MBS, and
the method comprising transmitting non-MBS data through subbands allocated to the non-MBS region.
5. The method of claim 1, further comprising:
allocating all or some of the subbands, allocated to the non-MBS region, to the multi-input multi-output (MIMO) region.
6. The method of claim 5, wherein the MIMO region allocation information comprises information of the number of the subbands allocated to the MIMO region, and
subbands not allocated to the MBS region, among subbands corresponding to the number from the first subband, correspond to the MIMO region.
7. The method of claim 5, wherein the MIMO region allocation information comprises a third bitmap including bits corresponding to the subbands allocated to the non-MBS region, and
each bit of the third bitmap indicates whether a corresponding subband is allocated to the MIMO region.
8. The method of claim 5, wherein the MIMO region allocation information comprises information of the number of the subbands allocated to the MIMO region, and
subbands corresponding to the number from a first subband, among the subbands allocated to the non-MBS region, correspond to the MIMO region.
9. The method of claim 5, wherein the MIMO region allocation information comprises a third bitmap including a plurality of bits,
the plurality of bits of the third bitmap corresponds to subbands corresponding to the number of bits of the third bitmap from the first subband, among the subbands that are allocated to the MBS region by a network, and
each bit of the third bitmap indicates whether a corresponding subband is allocated to the MIMO region.
10. An MBS transmitting apparatus, the apparatus comprising:
a region allocator configured to allocate a plurality of subbands of an MBS transmission carrier to an MBS region and a non-MBS region;
a region allocation information generator configured to generate region allocation information of the MBS region and the non-MBS region;
an MBS zone allocator configured to allocate the subbands, allocated to the MBS region to at least one MBS zone;
an MBS zone allocation information generator configured to generate MBS zone allocation information of the at least one MBS zone;
a control data transmitter configured to transmit the region allocation information and the MBS zone allocation information;
an MBS data transmitter configured to transmit MBS data through the subbands allocated to the MBS region;
a multi-input multi-output (MIMO) region allocation information generator configured to generate MIMO region allocation information for the MIMO region,
wherein the control data transmitter transmits the MIMO region allocation information to an MBS receiving apparatus,
the region allocation information indicates whether each subband is allocated either to the MBS region or to the non-MBS region, the region allocation information is broadcast through a system information message,
the MBS zone allocation information is broadcast through an MBS-specific message, and
the MIMO region allocation information is broadcast through the system information message,
the MBS transmission carrier corresponds to an MBS dedicated carrier,
the non-MBS region corresponds to an unused region,
the dedicated carrier is temporally divided for every superframe,
the dedicated carrier is divided into a plurality of subbands on a frequency axis,
the MBS region is divided into multiple MBS zones on the frequency axis, and
an MBS map is transmitted at the beginning of an MBS scheduling interval.
11. The apparatus of claim 10, wherein the region allocation information comprises a first bitmap including bits corresponding to the subbands,
each bit of the first bitmap indicates whether a corresponding subband is allocated either to the MBS region or to the non-MBS region,
the MBS zone allocation information comprises a second bitmap including bits corresponding to remaining subbands not a first subband from among the subbands allocated to the MBS region, and
each bit of the second bitmap indicates whether a corresponding subband is allocated to the same MBS region as that allocated by a previous subband.
12. The apparatus of claim 11, wherein the MBS transmission carrier corresponds to a mixed carrier for MBS and non-MBS, and
the apparatus further comprises:
a non-MBS data transmitter configured to transmit non-MBS data through subbands allocated to the non-MBS region;
a MIMO region allocator configured to allocate all or some of the subbands, allocated to the non-MBS region, to a MIMO region for MIMO; and
a MIMO region allocation information generator configured to generate MIMO region allocation information for the MIMO region,
wherein the control data transmitter transmits the MIMO region allocation information to an MBS receiving apparatus.
13. A method of receiving MBS data in an MBS receiving apparatus, the method comprising:
receiving region allocation information of an MBS region and a non-MBS region;
allocating subbands of an MBS transmission carrier to the MBS region and the non-MBS region based on the region allocation information;
receiving MBS zone allocation information of the at least one MBS zone;
allocating the subbands, allocated to the MBS region, to at least one MBS zone based on the MBS zone allocation information;
receiving MBS data through the subbands allocated to the at least one MBS zone; and
receiving multi-input multi-output (MIMO) region allocation information from an MBS transmitting apparatus,
wherein the region allocation information indicates whether each subband is allocated either to the MBS region or to the non-MBS region, the region allocation information is broadcast through a system information message,
the MBS zone allocation information is broadcast through an MBS-specific message, and
the MIMO region allocation information is broadcast through the system information message,
the MBS transmission carrier corresponds to an MBS dedicated carrier,
the non-MBS region corresponds to an unused region,
the dedicated carrier is temporally divided for every superframe,
the dedicated carrier is divided into a plurality of subbands on a frequency axis,
the MBS region is divided into multiple MBS zones on the frequency axis, and
an MBS map is transmitted at the beginning of an MBS scheduling interval.
14. The method of claim 13, wherein the region allocation information comprises a first bitmap including bits corresponding to the subbands, and
each bit of the first bitmap indicates whether a corresponding subband is allocated either to the MBS region or to the non-MBS region.
15. The method of claim 14, wherein the MBS zone allocation information comprises a second bitmap including bits corresponding to remaining subbands not a first subband among the subbands allocated to the MBS region, and
each bit of the second bitmap indicates whether a corresponding subband is allocated to a same MBS region as that allocated by a previous subband.
16. The method of claim 15, wherein the MBS transmission carrier corresponds to a mixed carrier for MBS and non-MBS, and
wherein the method comprising:
allocating all or some of the subbands, allocated to the non-MBS region, to a MIMO region for MIMO;
generating MIMO region allocation information of the MIMO region;
transmitting the MIMO region allocation information to an MBS receiving apparatus; and
transmitting non-MBS data through subbands allocated to the non-MBS region.
17. An MBS receiving apparatus, the apparatus comprising:
a control data receiver configured to receive region allocation information of an MBS region and a non-MBS region and MBS zone allocation information of at least one MBS zone;
a region allocator configured to allocate subbands of an MBS transmission carrier to the MBS region and the non-MBS region based on the region allocation information;
an MBS zone allocator configured to allocate the subbands, allocated to the MBS zone,
to the at least one MBS zone based on the MBS zone allocation information;
an MBS data receiver configured to receive MBS data through the subbands allocated to the at least one MBS zone;
a multi-input multi-output (MIMO) region allocator configured to allocate MIMO region for MIMO based on a MIMO region allocation information,
wherein the region allocation information indicates whether each subband is allocated to the MBS region or to the non-MBS region, the region allocation information is broadcast through a system information message,
the MBS zone allocation information is broadcast through an MBS-specific message, and
the MIMO region allocation information is broadcast through the system information message,
the MBS transmission carrier corresponds to an MBS dedicated carrier,
the non-MBS region corresponds to an unused region,
the dedicated carrier is temporally divided for every superframe,
the dedicated carrier is divided into a plurality of subbands on a frequency axis,
the MBS region is divided into multiple MBS zones on the frequency axis, and
an MBS map is transmitted at the beginning of an MBS scheduling interval.
18. The apparatus of claim 17, wherein the region allocation information comprises a first bitmap including bits corresponding to the subbands,
each bit of the first bitmap indicates whether a corresponding subband is allocated either to the MBS region or to the non-MBS region,
the MBS zone allocation information comprises a second bitmap including a plurality of bits corresponding to remaining subbands not a first subband from among the subbands allocated to the MBS region, and
each bit of the second bitmap indicates whether a corresponding subband is allocated to a same MBS region as that allocated by the previous subband.
19. The apparatus of claim 18, wherein the MBS transmission carrier corresponds to a mixed carrier for MBS and non-MBS, and
the control data receiver further receives MIMO region allocation information for MIMO, and
wherein the apparatus further comprises:
an open-loop region recognizer configured to recognize all or some of the subbands,
allocated to the non-MBS region, as a MIMO region based on the MIMO region allocation information; and
a non-MBS data receiver configured to receive non-MBS data through the subbands allocated to the non-MBS region.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A settling tank for dewatering slurry comprising:
a portable open-top container having a bottom and four sides;
a disposable watertight liner covering the bottom and the four sides;
a layer of disposable coarse granular material covering the bottom of the watertight liner, the coarse granular material having interstitial space therein;
a disposable filter cloth covering the coarse granular material and the liner; and
a drain port through the liner into the interstitial space, wherein slurry containing particulate is pumped into the container through the open top, the action of settlement separates relatively clean water from settled particulate, the relatively clean water is removed through the open top by pumping to make room for more slurry until a preferred is buildup of settled particulate is achieved, and the settled particulate is ultimately dewatered by pumping out the filtrate through the drain port.
2. The settling tank of claim 1, wherein the portable, open-top container is a roll-on waste container.
3. The settling tank of claim 1, wherein the coarse granular material is comprised of stones.
4. The settling tank of claim 1, wherein the coarse granular material is replaced by disposable old pallets.
5. The settling tank of claim 1, wherein the disposable watertight liner is comprised of a film having a composition of polyethylene, polypropylene, polyolefin or a combination thereof.
6. The settling tank of claim 5, wherein the film has a thickness of 5-10 mils.
7. The settling tank of claim 1, wherein the filter cloth is a woven or nonwoven fabric.
8. The settling tank of claim 7, wherein the fabric has a sieve size of 100-200 microns.
9. The settling tank of claim 7, wherein the fabric is a geotextile fabric
10. The settling tank of claim 1, further comprising an opening in one side of the portable open-top container and a removable false wall positioned adjacent thereto to function in place of the side, the false wall being sealingly penetrated by the drain port to permit gravity drainage of the filtrate through the opening.
11. The settling tank of claim 10, wherein the opening is a doorway.
12. A method of dewatering slurry, comprising the steps of:
providing a portable, open-top container having a bottom and four sides;
covering the bottom and four sides of the container with a disposable watertight liner;
covering the bottom of the liner with coarse granular material having interstitial space therein;
layering a filter cloth over the coarse granular material and the liner;
providing a drain port through the liner and into the interstitial space;
pumping slurry containing particulate into one end of the container through the open top, whereby settlement produces relatively clean water at the top of the container and settled particulate at the bottom, and filtering through the filter cloth produces a filtrate in the interstitial space;
using a means for reducing water in the slurry while substantially avoiding clogging of the filter cloth, whereby room is provided for the cyclical addition of more slurry;
is draining any remaining filtrate through the drain port;
transporting the container and its residual contents to a disposal site; and
discarding the liner, coarse granular material, filter cloth and residue by dumping the contents to leave the container in its original state.
13. The method of claim 12, wherein the means for reducing water while substantially avoiding clogging comprises pumping the relatively clean water off the top at the opposite end in cycle with the addition of slurry until a predetermined buildup of settled particulate has been achieved.
14. The method of claim 13, wherein the means for reducing water while substantially avoiding clogging further comprises avoiding the application of suction in the drainage of the filtrate, thereby avoiding packing of the settled particulate against the filter cloth other than by means of gravity alone.
15. The method of claim 14, wherein the predetermined buildup of settled particulate is signaled by slurry appearing in the relatively clean water effluent.